Radon in Massachusetts Homes: What North Shore Buyers and Sellers Need to Know in 2026

For most North Shore buyers, radon enters the conversation for the first time during a home inspection — a report comes back showing a reading above the EPA action level, and suddenly a transaction that felt straightforward becomes complicated. What does the number mean? Is it dangerous? Who is responsible for fixing it? How much does mitigation cost? Will the seller pay? And if the seller will not pay, is the home still worth buying?

These are not hypothetical questions. In Massachusetts, where the housing stock is older and the geology of much of Essex and Middlesex counties produces elevated radon risk, above-action-level radon readings are routine inspection findings in communities like Reading, Andover, Lynnfield, North Reading, Wilmington, and Wakefield. Buyers and sellers who understand radon before they get to the inspection stage are in a substantially better position to handle it calmly, negotiate effectively, and make informed decisions. Buyers and sellers who encounter it without preparation tend to overreact or underreact — both of which can cost them.

This guide covers everything you need to know about radon in the context of a North Shore Massachusetts real estate transaction in 2026: what radon is, why New England homes are particularly susceptible, how testing works, what Massachusetts law requires sellers to disclose, how the negotiation plays out when a test comes back high, what mitigation costs and accomplishes, and a town-by-town breakdown of radon risk across Susan’s coverage area.

What Is Radon and Why Do Massachusetts Homes Have It?

Radon is a naturally occurring radioactive gas that forms from the decay of uranium in soil and rock. It is colorless, odorless, and tasteless — completely undetectable by human senses. When radon seeps from the ground into the outdoor atmosphere, it disperses harmlessly. The problem arises when it enters enclosed spaces: basements, crawl spaces, and the lower levels of homes, where it can accumulate to concentrations that, over years of exposure, meaningfully increase the risk of lung cancer.

The United States Environmental Protection Agency classifies radon exposure as the number one cause of lung cancer among non-smokers and the second leading cause of lung cancer overall, responsible for approximately 21,000 deaths per year in the United States. That is not a figure designed to alarm homeowners into panic — it reflects cumulative, long-term exposure at elevated concentrations. A home with a radon reading above the action level that is promptly mitigated is not a dangerous home. A home with a high radon reading that is left unaddressed for years creates genuine health risk.

Massachusetts homes are susceptible to radon accumulation for several overlapping reasons. The geological profile of eastern Massachusetts — particularly the granite and metamorphic rock formations that underlie much of Essex and Middlesex counties — produces higher natural uranium concentrations than many other parts of the country. Older New England homes were often built with minimal subfloor vapor barriers, significant basement-level gaps and penetrations, and construction techniques that predate modern radon-resistant building practices. The combination of geology and construction era means that radon is a genuine and common presence in the North Shore housing stock, not a rare anomaly.

The EPA Radon Action Level: What the Numbers Mean

Radon is measured in picocuries per liter of air (pCi/L). The EPA recommends taking action to reduce radon in any home where the level is 4 pCi/L or above. The agency also recommends considering mitigation for readings between 2 and 4 pCi/L, particularly in homes where occupants spend significant time in lower-level spaces. The average indoor radon level in American homes is approximately 1.3 pCi/L, and the average outdoor level is about 0.4 pCi/L.

In a real estate context, a reading at or above 4 pCi/L is a finding that requires a response. A reading between 2 and 4 pCi/L is in a zone where buyers and sellers often negotiate based on individual risk tolerance and the specifics of the home. A reading below 2 pCi/L is generally not considered an actionable concern for transactional purposes, though buyers who spend significant time in finished basement spaces may still wish to discuss it with their inspector.

What the numbers do not do is determine the fate of a transaction on their own. A radon reading above 4 pCi/L does not mean a home is unsellable, uninhabitable, or dangerous in the short term. It means the home has a condition that should be remediated — and in the vast majority of cases, that remediation is straightforward, affordable, and highly effective. Understanding this is the foundation of handling radon calmly and strategically in a Massachusetts real estate transaction.

Radon Risk in Massachusetts: EPA Zones and the North Shore

The EPA divides the United States into three radon risk zones based on predicted average indoor radon levels. Zone 1 counties have a predicted average above 4 pCi/L — the highest risk designation. Zone 2 counties have predicted averages between 2 and 4 pCi/L. Zone 3 counties have predicted averages below 2 pCi/L.

In Massachusetts, the radon zone designations are meaningful context for North Shore buyers and sellers. Much of the North Shore — including portions of Essex County and all of Middlesex County — falls in Zone 2, meaning predicted average indoor levels in the 2 to 4 pCi/L range. However, zone designations are county-level averages, not property-level measurements. Individual homes within a Zone 2 county can easily test at 6, 8, 12, or even higher pCi/L depending on the specific soil composition beneath the structure, the construction of the foundation, and the ventilation characteristics of the basement or crawl space. Zone designations inform risk probability; they do not replace testing.

The practical implication for North Shore buyers is simple: you should test for radon in every home you purchase, regardless of what you have heard about the neighborhood or town. A neighbor’s home testing low does not predict your home’s reading. A town with a lower average zone designation can still contain individual properties with high readings. Radon testing costs approximately $150 to $200 when added to a home inspection and takes 48 hours. That is among the highest-value health and financial protections available in the Massachusetts home buying process.

How Radon Testing Works in a Massachusetts Home Inspection

In Massachusetts, radon testing during a home purchase is voluntary, not legally required. However, the overwhelming majority of experienced buyer’s agents — including Susan Gormady — recommend adding radon testing to every home inspection, regardless of the property’s age, neighborhood, or prior testing history. Here is how the process typically works.

Short-Term Radon Testing

The most common form of radon testing in a real estate transaction is a short-term passive test, conducted over 48 to 96 hours using a charcoal canister or electronic continuous monitor placed in the lowest livable level of the home. The test requires closed-house conditions — windows and exterior doors kept closed except for normal entry and exit — for at least 12 hours before the test begins and throughout the testing period. The device is placed by a certified radon testing professional (often the home inspector, if radon-certified, or a separate radon specialist) and retrieved at the end of the testing window.

In a Massachusetts real estate transaction, the 48-hour short-term test is standard because it fits within the typical inspection period and delivers results quickly. The test report will show the average radon level over the testing period, measured in pCi/L, and any relevant notes about closed-house conditions or environmental factors that may have affected the reading.

Long-Term Radon Testing

Long-term tests, conducted over 90 days to one year using alpha track detectors, provide a more accurate picture of a home’s average annual radon level. These tests are more commonly used after purchase — for example, after mitigation has been installed and the homeowner wants to confirm it is functioning correctly over a full seasonal cycle — or in situations where the seller has provided a historical long-term test result as part of their disclosure package. In a transaction context, short-term tests are the norm for practical timing reasons.

Who Pays for Radon Testing?

In Massachusetts, the buyer typically pays for radon testing as part of the inspection process. The cost of adding a radon test to a home inspection ranges from approximately $150 to $200 for a standard short-term canister test or electronic monitor. Some inspection companies include radon testing in bundled packages. The seller does not normally bear the cost of the buyer’s radon test — that cost is part of the buyer’s due diligence investment, similar to the home inspection fee itself.

Massachusetts Seller Disclosures and Radon: What Sellers Are Required to Tell Buyers

Massachusetts does not have a radon-specific disclosure statute that requires sellers to proactively disclose radon test results to buyers. However, Massachusetts real estate law does require sellers to complete a Seller’s Statement of Property Condition (commonly known as the Seller Disclosure Form), which includes questions about environmental conditions known to the seller. If a seller is aware that a previous test revealed elevated radon levels — or if a mitigation system is present on the property — that information must be disclosed honestly.

Practically speaking, this means several things for North Shore sellers and buyers:

• If a radon mitigation system is already installed: The seller must disclose the presence of the system. This is a positive disclosure — a working mitigation system is an asset, not a liability. Buyers should ask for documentation of the system’s installation and any post-mitigation test results confirming that it reduced levels to below the action level.
• If a seller has prior test results showing elevated radon: Those results must be disclosed. Sellers who have a test result showing 7 pCi/L from five years ago cannot simply ignore that result and hope the buyer’s test comes back differently. Honest disclosure is required.
• If a seller has never tested: The seller can disclose that no testing has been conducted. This is not the same as disclosing that radon is not present — it simply means the seller has no personal knowledge of radon levels. This is the most common situation in older North Shore homes where radon was never a routine part of prior transactions.
• Material defect standard: Under Massachusetts law, sellers are required to disclose material defects that they are aware of and that are not readily observable. Whether an elevated radon reading constitutes a material defect is a question of judgment, but any experienced Massachusetts real estate attorney will advise sellers to disclose known elevated readings rather than risk a post-closing claim.

For sellers in Reading, Andover, Lynnfield, Wakefield, Melrose, North Reading, and the surrounding communities, the most practical advice is this: if you have ever tested for radon and received a result above 4 pCi/L, disclose it. If you have a mitigation system, document it and disclose it proudly as a feature that protects buyers. If you have never tested, consider testing before you list so that you are not navigating a radon negotiation under the pressure of an active buyer’s inspection contingency.

What Happens When a Radon Test Comes Back High in a Massachusetts Transaction

A radon reading at or above 4 pCi/L during the inspection period triggers a specific sequence of events in a Massachusetts real estate transaction. Understanding this sequence before you are in it — whether as a buyer or a seller — allows both parties to respond strategically rather than reactively.

Step 1: Buyer Notifies Seller of the Finding

The buyer’s agent communicates the radon test result to the seller’s agent as part of the inspection response. This typically happens along with any other inspection findings the buyer wishes to address. In Massachusetts, the inspection contingency in the Offer to Purchase gives buyers the right to request repairs, credits, or price reductions based on material defects discovered during the inspection period — or to withdraw from the transaction entirely if the findings are unacceptable.

A radon reading above 4 pCi/L qualifies as a material finding for these purposes. However, unlike a structural defect, a water intrusion problem, or a failed septic system, radon is a highly solvable problem with a predictable cost. This is important context for how buyers should frame their response.

Step 2: Negotiating the Radon Remedy

There are three common ways a radon finding is resolved in a Massachusetts transaction:

1. Seller installs a mitigation system before closing. The seller agrees to hire a certified radon mitigation contractor, have the system installed, and conduct a post-mitigation test confirming levels are below 4 pCi/L — all before the closing date. This requires scheduling flexibility and adds time to the transaction, but it gives the buyer the assurance of a confirmed, tested remedy. Sellers who agree to this approach should use a Massachusetts-certified radon mitigation contractor and provide the buyer with the written post-mitigation test results before closing.
2. Seller provides a credit at closing. Rather than completing the mitigation work themselves, the seller reduces the purchase price or provides a closing cost credit equivalent to the estimated cost of mitigation. The buyer then arranges the mitigation after closing. This approach is faster and avoids scheduling complications. The credit amount should be based on a realistic estimate from a radon mitigation contractor — not an arbitrary number. In 2026, a reasonable credit for radon mitigation in a North Shore single-family home is typically in the $1,200 to $2,000 range, depending on the home’s foundation type and the complexity of the installation.
3. Buyer accepts the condition as-is and plans to mitigate post-closing. In some cases — particularly in highly competitive markets where the buyer is worried about losing the property, or in situations where the reading is only marginally above the action level — the buyer may choose to accept the home with the existing radon level and arrange mitigation after closing on their own. This approach requires clear-eyed acceptance of the condition and a concrete post-closing mitigation plan. Buyers who take this approach should not allow themselves to postpone the mitigation indefinitely once they move in.

Step 3: Post-Mitigation Testing

Whether the seller installs the system before closing or the buyer installs it after, a post-mitigation radon test is essential. Mitigation systems are highly effective, but effectiveness must be verified. The post-mitigation test should be conducted by an independent certified radon professional, not the same contractor who installed the system, and should be conducted under closed-house conditions over the appropriate testing period. A professionally installed sub-slab depressurization system in a Massachusetts home will almost universally reduce radon to below 2 pCi/L in homes that tested in the 4 to 15 pCi/L range before mitigation.

Radon Mitigation Systems: How They Work and What They Cost in Massachusetts

The standard and most effective approach to radon reduction in a Massachusetts single-family home is a sub-slab depressurization (SSD) system, sometimes called an active soil depressurization system or an ASD. Understanding what this system does and how it is installed demystifies the mitigation process for both buyers and sellers.

How Sub-Slab Depressurization Works

Sub-slab depressurization works by creating a negative pressure zone beneath the concrete slab of a home’s foundation. A certified radon mitigation contractor drills one or more suction points through the basement slab, inserts a PVC pipe, and connects it to a continuously running fan that draws radon-laden soil gas from beneath the slab and exhausts it above the roofline, where it disperses safely into the outdoor atmosphere. By maintaining negative pressure beneath the slab, the system prevents radon from migrating upward into the living spaces of the home.

The system runs continuously and silently. Modern radon mitigation fans are energy-efficient and typically consume about as much electricity as a 20-to-40-watt light bulb. Most systems include a visual indicator (a small U-tube manometer or warning light) that allows homeowners to confirm the fan is operating. The system requires minimal maintenance — periodic visual checks and a post-mitigation test every two years is the standard recommendation.

Foundation Types and Mitigation Complexity

The cost and complexity of a radon mitigation system depends significantly on the foundation type of the home. North Shore Massachusetts homes fall into several categories:

• Full basement with poured concrete slab: The simplest and most common mitigation scenario on the North Shore. One or two suction points, standard PVC pipe routing through the basement and up through a closet or exterior wall to above the roofline. Typical cost in 2026: $900 to $1,600.
• Full basement with block foundation walls: Block foundations have hollow cores that can circulate radon independently of the slab. Mitigation may require sealing block wall cores in addition to sub-slab depressurization. Typical cost: $1,200 to $2,000.
• Crawl space: Crawl space homes use sub-membrane depressurization — a heavy-duty polyethylene barrier is laid across the crawl space floor, and suction is applied beneath the membrane. This approach is effective but more labor-intensive than slab work. Typical cost: $1,500 to $2,500.
• Slab-on-grade construction: Common in some mid-century ranch-style homes. Similar to basement slab mitigation but may require more suction points depending on the home’s footprint. Typical cost: $1,000 to $1,800.
• Complex multi-zone foundations: Older North Shore homes with additions, finished basement areas, or multiple foundation types may require more elaborate systems with multiple fans and suction points. Typical cost: $2,000 to $3,500.

All cost estimates above reflect 2026 pricing from Massachusetts-certified radon mitigation contractors. Buyers who receive a credit for radon mitigation as part of a transaction should request a written estimate from a certified contractor before finalizing the credit amount — not rely on national averages that may not reflect local contractor pricing or the specific complexity of the home in question.

Town-by-Town: Radon Context Across the North Shore

Radon risk varies at the sub-county level based on specific geological formations, soil type, and the construction era of the housing stock. Here is a practical breakdown of radon context across Susan’s North Shore coverage area, based on patterns observed in transactions and inspection records over years of practice in these communities.

Reading, MA — Moderate-to-Elevated Radon Risk

Reading’s housing stock is predominantly single-family homes built between the 1920s and the 1980s, many with full basements on concrete slabs over soil conditions that include granite-bearing till common to eastern Middlesex County. Above-action-level radon readings appear regularly in Reading home inspections — not universally, but frequently enough that radon testing should be considered essential, not optional, for every Reading home purchase. Buyers in the $700,000 to $900,000 range — the core of Reading’s competitive single-family market — routinely encounter radon findings during inspections, and experienced Reading sellers increasingly install mitigation systems pre-listing to avoid the negotiation entirely.

North Reading, MA — Elevated Radon Risk, Older Stock

North Reading sits on geological formations that produce radon at higher rates than some neighboring communities. Combined with a housing stock that includes a significant proportion of older ranch-style and cape cod construction with slab-on-grade or block foundations, North Reading generates some of the higher average radon readings in Susan’s coverage area. Buyers purchasing in North Reading should budget for the possibility of mitigation and treat radon testing as a mandatory rather than optional inspection add-on.

Andover, MA — Variable Risk, Premium Homes Benefit from Pre-Listing Testing

Andover’s large lot sizes and varied construction eras produce variable radon readings. The town’s geological profile includes both lower-risk sandy soil areas and higher-risk till and bedrock zones depending on neighborhood and elevation. At the premium price points that define much of Andover’s market — homes in the $900,000 to $1.5 million range — a radon finding during a buyer’s inspection can create outsized negotiating complications. Pre-listing radon testing and mitigation in Andover is a strong seller strategy that removes uncertainty and supports buyer confidence at a relatively modest cost relative to the transaction value.

Lynnfield, MA — Moderate Risk, Active Pre-Listing Mitigation Trend

Lynnfield homes, many of which were built in the 1950s through 1980s on concrete slab basements, produce moderate radon readings with some frequency. The community’s savvy seller population — and the high stakes of Lynnfield transactions, where prices regularly approach and exceed $1 million — have led to an increasing trend of sellers installing mitigation systems before listing. Buyers in Lynnfield who encounter a home with a pre-existing, well-documented mitigation system should view it as evidence of a prepared and transparent seller, not as a warning sign.

Wakefield, MA — Moderate Radon Presence, Lake Area Variation

Wakefield’s geological profile produces moderate radon levels, with some variation between neighborhoods closer to the lake (generally lower readings) and those on higher ground or with older, less-sealed foundations (somewhat higher readings). Radon is a routine inspection discussion in Wakefield transactions without being a defining feature of the market. Buyers focused on lake-proximity properties may encounter fewer high readings, while buyers pursuing older colonials and capes on the town’s higher-elevation streets should test routinely.

Melrose, MA — Lower Average Risk, Still Worth Testing

Melrose generally produces lower average radon readings than the Middlesex County towns to its northwest, partly due to its soil composition and the construction characteristics of its housing stock. However, “lower average risk” does not mean “no risk” — individual Melrose homes, particularly older ones with block foundations or significant basement penetrations, can still test above the action level. Radon testing remains advisable in every Melrose purchase even if findings are statistically less frequent than in North Reading or Reading.

Wilmington, MA — Mixed Risk, Industrial-Area Context

Wilmington’s radon risk profile is mixed. Portions of Wilmington have soil conditions conducive to radon accumulation, and the town’s housing stock includes a significant proportion of ranch-style and split-level homes from the 1960s and 1970s with slab-on-grade construction. Buyers in Wilmington should test as a routine matter and be prepared for the full range of possible results without predetermining a likely outcome based on the town’s general risk level.

Stoneham, Woburn & Malden — Moderate Risk, Consistent Testing Advisable

Stoneham, Woburn, and Malden present moderate radon risk profiles broadly consistent with their positions within the eastern Middlesex County geological zone. Above-action-level readings occur in all three communities with sufficient regularity to make routine testing advisable. Malden in particular, with its older urban housing stock and mix of single-family and multi-unit conversions, produces variable results that depend heavily on the specific construction and foundation of the individual property being purchased.

What Sellers Should Do About Radon Before Listing

For sellers preparing to list a North Shore home in 2026, the strategic calculus around radon is straightforward: it is almost always better to address a potential radon issue before listing than to discover it during a buyer’s inspection period under transactional pressure.

Here is the recommended pre-listing radon strategy for North Shore sellers:

• Test before you list. A radon test before your home goes on the market costs approximately $150 to $200. It takes 48 hours and requires minimal disruption. If the result is below 4 pCi/L, you have valuable documentation to offer buyers — a recent clean test result that reduces buyer uncertainty and removes radon as an inspection concern. If the result is above 4 pCi/L, you have the opportunity to address it proactively.
• Install mitigation before listing if the test comes back above 4 pCi/L. A mitigation system installed before listing, with a post-mitigation test confirming reduction to below 2 pCi/L, is a genuine marketing asset. You can list the home with a documented mitigation system in place, include the post-mitigation test results in your disclosure package, and eliminate one of the most common inspection-period negotiating points that cost sellers money under pressure. The cost of pre-listing mitigation — typically $1,000 to $2,000 — is almost always recouped in avoided inspection-period price concessions and in the confidence it instills in buyers.
• Document everything. If a mitigation system is in place, gather the installation contract, the contractor’s radon certification, the pre-mitigation test result, the post-mitigation test result, and any warranty documentation. Buyers and their agents will ask for this information, and having it readily available signals a transparent, well-prepared seller.
• Do not disclose selectively. If you have prior test results showing elevated levels and you are planning to rely on a buyer’s test coming back lower, that is a risky strategy. Honest disclosure of prior test results and the presence of any mitigation system is required under Massachusetts law and is the right thing to do regardless of legal obligation.

What Buyers Should Do About Radon in a North Shore Transaction

For buyers purchasing a North Shore home in 2026, a clear radon strategy before, during, and after the inspection period protects both your health and your negotiating position.

• Always add radon testing to your home inspection. There is no scenario in which skipping the radon test makes sense for a Massachusetts home buyer. The cost is minimal, the testing window fits within a standard inspection period, and the information is actionable. Even buyers who are told by a seller that a prior test was clean should conduct an independent test — conditions change, and a seller’s prior test from several years ago under different seasonal conditions may not reflect current levels.
• Interpret results accurately. A reading of 4.2 pCi/L is an actionable finding that warrants a mitigation request — but it is not a health emergency or a reason to walk away from an otherwise excellent home. A reading of 18 pCi/L in a home with no mitigation system and a non-cooperative seller is a different situation. Context matters. Your inspector and your agent can help you calibrate your response to the specific number and the specific circumstances.
• Request appropriate remedies, not punitive ones. Buyers who respond to a 5 pCi/L radon reading with a demand for a $10,000 price reduction are overreaching. The cost of mitigation on a standard North Shore single-family home is $900 to $2,000. A credit in that range — or a seller-installed system with a confirmed post-mitigation test — is the appropriate remedy. Demanding disproportionate concessions for a solvable problem can undermine your credibility as a buyer and may cause a seller to choose another offer in a competitive market.
• If the seller installs a system before closing, insist on a post-mitigation test. Never take a mitigation system at face value without a confirmed post-installation test. A system that is installed incorrectly or that does not achieve adequate depressurization can leave radon levels elevated even with a fan running. A post-mitigation test conducted by an independent certified radon professional — not the installer — confirms the system is performing as intended.
• Plan for ongoing monitoring after closing. The EPA recommends retesting radon every two years and after any significant renovation that affects the foundation or basement of the home. This is a low-cost, low-effort maintenance item that ensures a working mitigation system continues to function correctly and that untreated homes are monitored over time.

Frequently Asked Questions About Radon in Massachusetts Real Estate

Does a home with a radon mitigation system sell for less?

No — in fact, the opposite is often true. A home with a professionally installed, documented mitigation system that has been confirmed by a post-mitigation test is a home where the seller has transparently addressed a common issue at their own cost. Buyers in the North Shore market increasingly view a working mitigation system as a sign of a well-maintained, transparent property rather than as a warning sign. The presence of a system alone does not imply that the home has dangerous radon levels — it implies that a responsible seller took action to ensure it does not.

Can I test for radon myself?

Consumer radon test kits are available at hardware stores for approximately $15 to $30. While these kits are capable of producing meaningful results, they require careful adherence to closed-house testing protocols and accurate placement in the lowest livable area of the home. In a real estate transaction context, buyer’s agents and lenders generally expect a test conducted or supervised by a certified radon professional, not a DIY kit. For purposes of a home purchase inspection, the certified test is the appropriate standard.

What if the seller refuses to address radon at all?

A seller who refuses to provide any remedy for a confirmed above-action-level radon reading — no credit, no system, no price adjustment — is presenting a genuine decision point for the buyer. Buyers in this situation must weigh whether the home is worth purchasing at the current price with the knowledge that they will bear the full cost of mitigation post-closing, or whether the seller’s unwillingness to cooperate is a signal about how they approach other transactional issues. In a competitive market, a seller who has multiple offers has less incentive to negotiate radon remediation. In a softer market or for a home that has been sitting on the market, a seller’s refusal to address a documented health concern is a meaningful signal that warrants serious buyer consideration.

Is radon testing required by Massachusetts law?

No. Massachusetts does not require radon testing as a condition of buying or selling a home. Radon testing in real estate transactions is voluntary and buyer-initiated. However, given the documented health risk of long-term radon exposure and the low cost of testing, the practical case for testing is overwhelming even in the absence of a legal mandate. Buyers who waive radon testing — especially in communities like Reading, North Reading, Andover, and Wilmington where elevated readings are relatively common — are taking a risk that is easily and inexpensively avoided.

The Educational Takeaway: Radon Is a Manageable Issue, Not a Crisis

The most important thing to understand about radon in a North Shore Massachusetts real estate transaction is this: it is a manageable issue with a known cost and a proven solution, not a crisis or a reason to avoid a home that otherwise meets your needs. The buyers and sellers who handle radon findings best are those who approach them with the same practical, information-based mindset they bring to any other inspection finding — assess the situation accurately, understand the cost of resolution, negotiate reasonably, and move forward.

For North Shore sellers, the lesson is equally clear: getting ahead of radon before listing is almost always the right move. The cost of pre-listing testing and mitigation is modest relative to the transaction value, and the credibility it conveys to buyers is genuine. A seller who has done the work, documented the results, and can present a clean post-mitigation test to buyers is a seller who controls the narrative rather than reacting to it under pressure.

If you are buying or selling in Reading, Wakefield, Lynnfield, Andover, Melrose, North Reading, Stoneham, Wilmington, Woburn, or Malden and want a straightforward, experienced conversation about radon and what it means for your specific situation, Susan Gormady is available to help. No alarm, no pressure — just honest, informed guidance grounded in years of North Shore transaction experience.