Prescott, AZ Radon Mitigation and Testing

Q: What is the average radon level in Prescott, AZ?

Based on 14 user-submitted tests, the average radon level is 6.80 pCi/L.

Q: What EPA Radon Zone is Prescott in?

Prescott is in Yavapai County, EPA Zone 2.

Q: How much does radon mitigation cost in Prescott?

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

Avg: 6.80 pCi/L

Yavapai County

EPA Zone 2

14 user tests

Prescott is located in Yavapai County, Arizona. With 14 user-submitted readings averaging 6.80 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 86301 zip code.

6.80

pCi/L average

Above EPA Action Level

Based on 14 user-submitted radon tests for homes in Prescott, AZ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Prescott, AZ Radon Mitigation

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

Prescott, AZ Radon Testing

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

Prescott, Arizona Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Prescott, AZ	0-20 Years	Partial Basement	Nov 2025
8 pCi/L	Prescott, AZ	21-50 Years	Partial Basement	Oct 2024
5 pCi/L	Prescott, AZ	—	—	May 2024
4 pCi/L	Prescott, AZ	0-20 Years	No Basement/All Slab	Dec 2023
4 pCi/L	Prescott, AZ	0-20 Years	Partial Basement	Jan 2023

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

Prescott Radon Facts

Key details about the radon risk profile for Prescott and the 86301 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Yavapai County, AZ

Zip Code

86301

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

6.80 pCi/L

User Tests Submitted

Prescott and the 86301 zip code are located in Yavapai 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 Prescott, AZ

What is the average radon level in Prescott, AZ?

Based on 14 user-submitted tests, the average radon level in Prescott is 6.80 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 Prescott in?

Prescott and the 86301 zip code are in Yavapai 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 Prescott?

Radon mitigation in Prescott 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 Prescott?

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 Arizona

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

City	Avg User Radon Level	Submissions
Prescott	6.79 pCi/L	14
Scottsdale	7.75 pCi/L	12
Phoenix	5.40 pCi/L	10
Mesa	6.40 pCi/L	5
Flagstaff	6.00 pCi/L	5
Tucson	5.25 pCi/L	4
Payson	6.67 pCi/L	3
Glendale	6.50 pCi/L	2
Peoria	3.00 pCi/L	2
Prescott Valley	4.00 pCi/L	1
Gilbert	3.00 pCi/L	1
Tempe	3.00 pCi/L	1