North Dakota Radon Mitigation Cost by County, Foundation, and Rules
Compare typical local price ranges for basement, slab, and crawl space systems. Use the state-level ranges first, then open your county when you need a local estimate after a confirmed radon result.
Fastest Start
Use ZIP Instead of Scrolling
If you know the property ZIP, jump straight to the right county estimate instead of browsing the full state list.
Cost Basics
Foundation & Result Ranges
Use the national cost guide if you need basement, slab, crawl-space, or 4.0+ result context first.
Validate the Risk
Check ND Radon Levels
If you do not have a confirmed radon result yet, review EPA zone context before you compare mitigation pricing.
Browse Counties
Jump to County Pricing
Open your county if you already know the area and just need a local basement, slab, or crawl-space price range.
Official State Resource
North Dakota radon program and rules
Use the state program link to verify local radon guidance, disclosure language, and contractor credential expectations before you act on an estimate.
Disclosure rule tracked
North Dakota requires sellers to complete a Seller's Property Condition Disclosure Statement.
Credential note
North Dakota does not require specific radon licensing.
ND Cost Starting Point
North Dakota cost range by foundation
Basement
$875-$1558
Use this when the home has a basement or lowest-level slab that supports a standard sub-slab suction system.
Slab-on-Grade
$828-$1463
Slab homes can price differently when finished space, routing, or core drilling complicates the system path.
Crawl Space
$1370-$2500
Crawl-space jobs can move higher when vapor-barrier sealing, access, and sub-membrane suction add labor.
State rules that can change the quote
Disclosure: Required or commonly expected in this state context. North Dakota requires sellers to complete a Seller's Property Condition Disclosure Statement.
Mitigation licensing: No state-specific mitigation license premium is modeled. North Dakota does not require specific radon licensing.
EPA zone mix in North Dakota
53
Zone 1
0
Zone 2
0
Zone 3
53 classified counties are used for state-level risk context. EPA zones do not replace a home test, but they help explain why county pages and confirmed 4.0+ results matter before comparing quotes.
Local cost guides
North Dakota evidence-backed cost route
The cost directory follows the same eligibility rule as the county cost pages themselves. State hubs, sitemap candidates, and internal links point at pages Google can actually index.
53
Listed
53
Evidence
53
Measured
Best county pages to open first
Cass County
Evidence-backed local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 57.5% 4.0+
Cass County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 57.5% 4.0+ with a local housing base of 85,944 units and a modeled planning range of $875-$1558.
Burleigh County
Evidence-backed local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 51.1% 4.0+
Burleigh County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 51.1% 4.0+ with a local housing base of 42,968 units and a modeled planning range of $875-$1558.
Grand Forks County
Evidence-backed local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 75.9% 4.0+
Grand Forks County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 75.9% 4.0+ with a local housing base of 33,567 units and a modeled planning range of $875-$1558.
Ward County
Evidence-backed local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 43% 4.0+
Ward County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 43% 4.0+ with a local housing base of 32,297 units and a modeled planning range of $875-$1558.
Williams County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 33.8% 4.0+
Williams County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 33.8% 4.0+ with a local housing base of 20,185 units and a modeled planning range of $875-$1558.
Stark County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 62.4% 4.0+
Stark County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 62.4% 4.0+ with a local housing base of 15,366 units and a modeled planning range of $875-$1558.
Morton County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 53.4% 4.0+
Morton County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 53.4% 4.0+ with a local housing base of 15,184 units and a modeled planning range of $875-$1558.
Stutsman County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 73.5% 4.0+
Stutsman County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 73.5% 4.0+ with a local housing base of 10,389 units and a modeled planning range of $875-$1558.
Richland County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 43% 4.0+
Richland County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 43% 4.0+ with a local housing base of 7,537 units and a modeled planning range of $875-$1558.
Ramsey County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 76.9% 4.0+
Ramsey County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 76.9% 4.0+ with a local housing base of 5,857 units and a modeled planning range of $875-$1558.
McLean County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 63.2% 4.0+
McLean County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 63.2% 4.0+ with a local housing base of 5,759 units and a modeled planning range of $875-$1558.
Barnes County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 67.5% 4.0+
Barnes County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 67.5% 4.0+ with a local housing base of 5,693 units and a modeled planning range of $875-$1558.
Walsh County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 79.5% 4.0+
Walsh County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 79.5% 4.0+ with a local housing base of 5,219 units and a modeled planning range of $875-$1558.
Mercer County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 63.5% 4.0+
Mercer County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 63.5% 4.0+ with a local housing base of 4,667 units and a modeled planning range of $875-$1558.
Bottineau County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 64% 4.0+
Bottineau County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 64% 4.0+ with a local housing base of 3,976 units and a modeled planning range of $875-$1558.
Ransom County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 61.6% 4.0+
Ransom County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 61.6% 4.0+ with a local housing base of 2,552 units and a modeled planning range of $875-$1558.
Dickey County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 67.1% 4.0+
Dickey County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 67.1% 4.0+ with a local housing base of 2,398 units and a modeled planning range of $875-$1558.
Wells County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 48.1% 4.0+
Wells County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 48.1% 4.0+ with a local housing base of 2,324 units and a modeled planning range of $875-$1558.
McKenzie County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 56.1% 4.0+
McKenzie County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 56.1% 4.0+ with a local housing base of 7,639 units and a modeled planning range of $875-$1558.
Mountrail County
Cost eligible local evidence
$875-$1558
CDC EPHT Network Radon Tests from Labs: 66.7% 4.0+
Mountrail County is a strong cost page because it pairs CDC EPHT Network Radon Tests from Labs: 66.7% 4.0+ with a local housing base of 5,045 units and a modeled planning range of $875-$1558.
County estimates
Open a North Dakota county page for local pricing
County pages narrow the state range with local EPA zone context, housing data, state rules, and the foundation scenario you choose.
Why Does Cost Vary in North Dakota?
Price ranges across North Dakota move with local labor rates, permit friction, roofline routing, and foundation type. County pages narrow this down for homeowners comparing basement, slab, or crawl space mitigation after a confirmed radon reading.