Verified radon testing and mitigation for Mandan — same standards, same scheduling, same follow-up test as everywhere else we work.
Call (701) 401-5204Tell us your test result and foundation type and we'll put a firm price in writing. Call (701) 401-5204.
Crossing the Missouri doesn't change the geology. Morton County is EPA Zone 1 — every North Dakota county is — and the same Pierre Shale and glacial till that drive Bismarck's radon numbers run right under Mandan's neighborhoods, from the historic core along the rail yards to the newer development pushing north and west. Statewide, the DEQ reports 63 percent of homes above the 4.0 pCi/L action level, and nothing about the west bank opts out of that math.
Mandan's housing tilts the odds further. The town grew up as a railroad division point, and its older stock — the pre-war and mid-century homes in the original grid — means full basements, fieldstone and early-concrete foundations, sump pits, and floor drains: every classic radon entry path in one place. South of town toward Fort Abraham Lincoln State Park, acreages and river-bottom properties add crawl spaces and mixed foundations to the list — a different system design, same verified result.
Mandan is not an outer town on this route — it's the other half of the metro, minutes from our Bismarck base across the Expressway or Memorial bridges. Same-week scheduling holds on both banks.
Mandan's older housing rewards testing in heating season. A rail-era foursquare with a fieldstone basement breathes differently in January than in July — sealed windows and a working furnace pull soil gas in and hold it, which is exactly the condition you live in for six months a year. A closed-house test between fall and spring gives the number that matters. And with North Dakota's disclosure law now attaching known results to every sale, a Mandan homeowner who tests on their own schedule — and fixes on their own schedule — keeps the leverage a seller loses when the buyer's inspector finds it first.
Two-thirds of North Dakota homes test high. One call gets you the number — and the fix if you need it.
(701) 401-5204Assume yes until tested: Morton County is EPA Zone 1 like every North Dakota county, and the state DEQ reports 63 percent of homes statewide above the 4.0 pCi/L action level. The only way to know a specific Mandan house is to test it.
No trip-charge games. Mandan is inside the normal working range from our Bismarck–Mandan base, and jobs there schedule the same week like everything else.
The same honest range as the rest of the metro: standard sub-slab systems typically about $1,000 to $2,500 installed, with foundation type the biggest variable. See the full cost breakdown.