Stamford, CT Radon Mitigation and Testing

Q: What is the average radon level in Stamford, CT?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Stamford in?

Stamford is in Fairfield County, EPA Zone 1.

Q: How much does radon mitigation cost in Stamford?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Stamford, CT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Fairfield County, CT

Zip Code 06901

Avg. User Level 5.00 pCi/L

User Tests 1

Major city in Fairfield County, Stamford has recorded an average radon level of 5.0 pCi/L, which exceeds the EPA action threshold. The city's location on Long Island Sound doesn't diminish radon risk from underlying crystalline bedrock typical of southwestern Connecticut. Residents across all Stamford zip codes (06901-06906) should prioritize radon testing and mitigation.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Stamford, CT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Stamford, CT Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Stamford?

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Stamford, Connecticut Radon Levels

User-submitted radon test readings from homes in the Stamford area.

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Stamford, CT	51-99 Years	No Basement/All Slab	Dec 2020

Have a radon test result for Stamford? Submit your reading to help other homeowners.

Radon FAQ for Stamford, CT

What is the average radon level in Stamford, CT?

Based on 1 user-submitted test, the average radon level in Stamford is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Stamford in?

Stamford and the 06901 zip code are in Fairfield County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Stamford?

Radon mitigation in Stamford typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Stamford?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Connecticut

Cities in Connecticut with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Hamden	4.75 pCi/L	4
West Hartford	4.25 pCi/L	4
Greenwich	7.67 pCi/L	3
Norwalk	7.00 pCi/L	1
Stamford	5.00 pCi/L	1
Middletown	4.00 pCi/L	1
Guilford	No submissions	0
Ridgefield	No submissions	0