Radon mitigation in Sandy, Utah
Sandy has the widest spread of radon results of any Salt Lake Valley city in the state's data. Its northeast area averages more than twice its west side.
Sandy at a glance. In Utah's state test-kit data (2006–2019), northeast Sandy averaged 7.0 pCi/L, with 56% of tests at or above EPA's 4 pCi/L action level. That's the highest of all 33 Salt Lake County areas. Southeast Sandy averaged 5.8. Central and west Sandy averaged 3.3 and 3.5, still above EPA's 2 pCi/L "consider fixing" level (Source: Utah IBIS).
Sandy radon test results by area
| Area (Utah IBIS small area) | Average, pCi/L | 95% range of the average | Tests at or above 4 | Tests |
|---|---|---|---|---|
| Sandy (West) | 3.5 | 2.91–4.15 | 26.5% | 626 |
| Sandy (Center) | 3.3 | 3.02–3.54 | 26.6% | 601 |
| Sandy (Northeast) | 7.0 | 6.51–7.47 | 56.0% | 1,368 |
| Sandy (Southeast) | 5.8 | 5.37–6.27 | 45.0% | 1,665 |
Source: Utah IBIS (Source: Utah IBIS). These are short-term tests, which read higher than year-round averages. Why, and more caveats.
What the spread means for your Sandy home
The east-to-west gap is the headline. The northeast and southeast areas sit closer to the Wasatch foothills; the center and west areas sit lower in the valley. The state data doesn't explain why those areas differ, and the averages can't tell you your own home's level. They do say this: in east Sandy, a high result is closer to the norm than the exception. More than half of tests in northeast Sandy were at or above 4.
If you live on the west side and a neighbor tested low, that still doesn't clear your house. About 1 in 4 west-Sandy tests came back at or above 4 (Source: Utah IBIS).
Sandy homes and what they mean for a mitigation system
| Sandy housing (ACS 2020–2024) | Value |
|---|---|
| Median year built | 1985 |
| Homes built 2000 or later | 23% |
| Built 1980–1999 | 35% |
| Built before 1980 | 42% |
| Owner-occupied | 75% |
| Housing units | 34,790 |
Source: U.S. Census ACS 2020–2024 (Source: U.S. Census ACS).
Sandy's housing is mostly from the 1970s through the 1990s: the median home was built in 1985, and 42% were built before 1980 (Source: U.S. Census ACS). Many of these are basement homes. For a mitigation system, that tends to mean:
- Sub-slab suction through the basement floor is the usual approach. EPA calls it the most common and usually most reliable method (Source: EPA). How it works.
- Finished basements (common after decades of remodels) make the pipe route the main cost question: exterior wall or interior closet to the attic. Cost factors.
- Remodeling a basement? EPA says to test before converting an unfinished basement to living space, and again after major renovations (Source: EPA).
- About three in four Sandy homes are owner-occupied (Source: U.S. Census ACS). Sales are frequent, and radon often comes up in due diligence. Utah home-sale walkthrough.
Cost in Sandy
We don't have Sandy-specific price data. Utah's typical figure is about $1,800–$2,000 (Source: Utah DEQ), and a single-suction-point basement home often lands near that. Try the estimator with your footprint and foundation type, then get written bids. Utah DEQ suggests three (Source: Utah DEQ).
Permit requirements can vary by city. Ask each contractor whether Sandy requires a permit for your install and whether it's included in the bid.
Nearby
Draper (south) · South Jordan (west) · Midvale and Cottonwood Heights (north; see the full valley table) · All cities
Talk to a licensed contractor who works in Sandy
Call (801) 854-8750 with your test result and foundation type. We'll connect you with a licensed Utah contractor who serves Sandy. Free for homeowners. How it works.
Sources
Last reviewed October 22, 2026.
- Indoor radon levels by county and ZIP, query module (short-term tests 2006–2019; dataset updated Jan. 31, 2020), Utah Dept. of Health and Human Services / Utah DEQ Indoor Radon Program. Accessed October 22, 2026.
- American Community Survey 2020–2024 5-year estimates, tables B25034, B25035, B25003 (via Census Reporter), U.S. Census Bureau. Accessed October 22, 2026.
- Consumer's Guide to Radon Reduction: How to Fix Your Home (2016), U.S. Environmental Protection Agency. Accessed October 22, 2026.
- Home Buyer's and Seller's Guide to Radon (EPA 402/K-24/001, rev. March 2024), U.S. Environmental Protection Agency. Accessed October 22, 2026.
- High radon levels? What's next, Utah Department of Environmental Quality. Accessed October 22, 2026.