Brookline, NH Radon Mitigation and Testing

Q: What is the average radon level in Brookline, NH?

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

Q: What EPA Radon Zone is Brookline in?

Brookline is in Hillsborough County, EPA Zone 2.

Q: How much does radon mitigation cost in Brookline?

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

Avg: 5.00 pCi/L

Hillsborough County

EPA Zone 2

1 user test

Part of the Manchester Metro area in Hillsborough County, Brookline shows an average radon reading of 5.0 pCi/L, which exceeds the EPA's 4.0 pCi/L action threshold. The town's location over granite bedrock and glacial deposits common to southern New Hampshire creates geological conditions that can produce elevated radon levels in homes. Given this elevated reading in zip code 03033, residents should test their properties and consider mitigation systems if levels consistently exceed EPA guidelines.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Brookline, NH Radon Mitigation

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

Brookline, NH Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Brookline, New Hampshire Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Brookline, NH	51-99 Years	No Basement/All Crawl Space	May 2019

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

Brookline Radon Facts

Key details about the radon risk profile for Brookline and the 03033 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Hillsborough County, NH

Zip Code

03033

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Brookline and the 03033 zip code are located in Hillsborough County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Brookline, NH

What is the average radon level in Brookline, NH?

Based on 1 user-submitted test, the average radon level in Brookline 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 Brookline in?

Brookline and the 03033 zip code are in Hillsborough County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Brookline?

Radon mitigation in Brookline 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 Brookline?

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 New Hampshire

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Tamworth	12.67 pCi/L	6
Freedom	10.75 pCi/L	4