Cedar Rapids · Linn County · Iowa
Most Cedar Rapids basements test above the EPA action level. We fix it in 4–6 hours.
Iowa-certified radon mitigation that actually fixes the problem. Active sub-slab depressurization, sub-4 pCi/L guaranteed, post-mitigation verification included.
Why Cedar Rapids has a radon problem
Eastern Iowa sits on uranium-bearing glacial till. As that uranium decays through the soil column under your basement slab, it produces radon — an invisible, odorless radioactive gas. The pressure differential between heated indoor air and cooler outdoor air pulls that gas straight up through micro-cracks in your slab, sump pit openings, and the gap between your slab and foundation walls.
The result: the American Lung Association reports 71.6% of Iowa homes test above the EPA’s 4 pCi/L action level. Linn County houses regularly come back at 7–14 pCi/L on initial tests. The EPA estimates radon causes about 21,000 lung-cancer deaths per year in the U.S., second only to smoking.
Mitigation isn’t guesswork. A properly designed sub-slab depressurization (SSD) system pulls radon out from beneath your slab before it ever enters living space and vents it above the roofline. Installed correctly, post-mitigation tests routinely drop to 0.5–1.5 pCi/L — well below the action level and below typical outdoor air.
What we do
Radon Testing
48-hour electronic monitors for real-estate transactions. 90-day alpha-track devices for long-term baseline. Same-day results on short-term tests.
Free quote · same-day results common
Testing details →Radon Mitigation Install
Active sub-slab depressurization. 4–6 hour install on most homes. Sub-4 pCi/L guarantee in writing, with post-mitigation test included.
Free quote · varies by basement type
Mitigation details →Post-Mitigation Testing
EPA-protocol verification 24–48 hours after system activation. Included with every install we do. Available standalone if a different installer didn’t test theirs.
Included with mitigation installs
Verification details →Real Estate Transactions
Same-day quotes, 48-hour test results, mitigation within 5–7 business days. We coordinate directly with your agent and title company to keep the deal on schedule.
Free quote · transaction-friendly turnaround
Real estate details →Commercial & Schools
Multi-point continuous monitoring for schools, daycares, and commercial buildings. Custom mitigation design quoted per square foot.
Quoted per project
Commercial details →Free Estimates
Phone or email estimates — usually back within the same business day. We give you a real number, not a range with surprises stapled to the back.
Free, no pressure
Request an estimate →Cedar Rapids & Linn County service area
We’re based in Cedar Rapids and cover the entire Linn County metro. If you’re in one of these communities, we can usually be on-site for an install within 5–7 business days, faster for real-estate transactions on a deadline.
How a Cedar Rapids mitigation install works
1. Free quote (same day, by phone or email)
Tell us your address, when the home was built, basement type (poured wall, block, walkout), and any test results you have. Most quotes come back within 2–4 hours.
2. Pre-install diagnostic
We confirm slab type and identify the best suction-point location. On block-wall basements we plan for rim-joist sealing. On homes with passive radon-resistant rough-ins (most post-2010 northeast Cedar Rapids builds), we activate the existing stack instead of running new pipe.
3. Install (4–6 hours, one crew, one visit)
Core a 4–5″ hole in the slab. Excavate a small pit beneath. Install PVC riser, route it through an unfinished wall or chase, exit above the eave, terminate above roofline per EPA protocol. Mount the inline radon fan in the attic or on the exterior wall. Seal all openings. Add a manometer so you can verify the system is running.
4. Post-mitigation test (24–48 hours)
We place a continuous radon monitor on the lowest livable floor. If your number isn’t under 4 pCi/L, we come back and tune the system at no charge. That guarantee is in writing on every install we do.
What sets us apart
Local, not a national franchise
Cedar Rapids crew. We know the soil, the housing stock, and which inspectors flag what. No phone-tree, no out-of-state dispatcher.
Iowa Department of Public Health certified
Iowa requires state radon certification for mitigation work. We carry both the IDPH credentials and AARST-NRPP national certification.
Written sub-4 guarantee
Every install includes a post-mitigation test. If the system doesn’t bring you under 4 pCi/L, we fix it — on our dime, not yours.
Real-estate friendly
We talk to agents, title companies, and inspectors directly. Same-day quotes, 48-hour testing, mitigation done before closing.
No upsells, no surprise fees
One quote. Permit, fan, pipe, sealing, post-test — all included. If we hit something unexpected (rare), we call you before doing anything that costs more.
Honest about expectations
If you don’t need mitigation, we’ll tell you. About 30% of the homes we test come back fine and we send the owner away with a written report and no install.
Call Now
(319) 774-8138
Cedar Rapids radon team. We answer Mon–Sat during business hours. Voicemails returned within 24 hours.
Call (319) 774-8138Have ready when you call:
- Your address (we’ll pull the assessor record)
- Year built and basement type, if you know them
- Any recent radon test result
- Closing date, if it’s a real-estate transaction
Or email info@cedarrapidsradonpros.com.