Monument, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Monument in?

Monument is in Grant County, EPA Zone 2.

Q: How much does radon mitigation cost in Monument?

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

Grant County

EPA Zone 2

Located in eastern Oregon's Grant County, Monument (97864) currently lacks comprehensive radon testing data from local homes in this rural community. The area's diverse geology, ranging from volcanic formations to sedimentary deposits, creates variable radon potential across the region. Individual home testing remains the most reliable method for residents to understand their specific radon exposure risk.

Monument, OR Radon Mitigation

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

Monument, OR Radon Testing

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

Monument Radon Facts

Key details about the radon risk profile for Monument and the 97864 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Grant County, OR

Zip Code

97864

Predicted Screening Level

2–4 pCi/L (Zone 2)

Monument and the 97864 zip code are located in Grant 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 Monument, OR

What EPA Radon Zone is Monument in?

Monument and the 97864 zip code are in Grant 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 Monument?

Radon mitigation in Monument 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 Monument?

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 Oregon

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

City	Avg User Radon Level	Submissions
Corvallis	5.60 pCi/L	5
Astoria	9.25 pCi/L	4
La Grande	10.67 pCi/L	3
Bend	3.33 pCi/L	3
Salem	9.00 pCi/L	2
Eugene	7.00 pCi/L	2
Medford	7.00 pCi/L	1
Dundee	6.00 pCi/L	1
Ashland	4.00 pCi/L	1
Portland	4.00 pCi/L	1
Lincoln City	No submissions	0
West Linn	No submissions	0