Point Roberts, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Point Roberts in?

Point Roberts is in Whatcom County, EPA Zone 3.

Q: How much does radon mitigation cost in Point Roberts?

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

Whatcom County

EPA Zone 3

Positioned in Whatcom County within the Bellingham metropolitan area, Point Roberts sits in EPA Zone 3 with lower radon potential due to its unique peninsula location. Testing data for ZIP code 98281 remains limited, though coastal geology typically reduces radon risk. The community's isolated geography and maritime climate create distinct conditions that warrant individual property assessment.

Point Roberts, WA Radon Mitigation

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

Point Roberts, WA Radon Testing

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

Point Roberts Radon Facts

Key details about the radon risk profile for Point Roberts and the 98281 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Whatcom County, WA

Zip Code

98281

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Point Roberts and the 98281 zip code are located in Whatcom County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Point Roberts, WA

What EPA Radon Zone is Point Roberts in?

Point Roberts and the 98281 zip code are in Whatcom County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Point Roberts?

Radon mitigation in Point Roberts 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 Point Roberts?

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 Washington

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

City	Avg User Radon Level	Submissions
Vancouver	6.56 pCi/L	9
Kent	3.60 pCi/L	5
Seattle	5.25 pCi/L	4
Olympia	5.00 pCi/L	4
Bellevue	3.75 pCi/L	4
Spokane	11.67 pCi/L	3
Camas	8.00 pCi/L	3
Centralia	7.00 pCi/L	3
Bellingham	4.50 pCi/L	2
Kirkland	4.50 pCi/L	2
Washougal	8.00 pCi/L	1
Ridgefield	5.00 pCi/L	1
Moses Lake	No submissions	0