Montana Price Guide

Montana Radon Mitigation Cost by County

Compare typical local price ranges for basement, slab, and crawl space systems. Start with your county if you already have a radon result and need realistic quote context.

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.

Validate the Risk

Check MT 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.

Beaverhead County Big Horn County Blaine County Broadwater County Carbon County Carter County Cascade County Chouteau County Custer County Daniels County Dawson County Deer Lodge County Fallon County Fergus County Flathead County Gallatin County Garfield County Glacier County Golden Valley County Granite County Hill County Jefferson County Judith Basin County Lake County Lewis and Clark County Liberty County Lincoln County Madison County McCone County Meagher County Mineral County Missoula County Musselshell County Park County Petroleum County Phillips County Pondera County Powder River County Powell County Prairie County Ravalli County Richland County Roosevelt County Rosebud County Sanders County Sheridan County Silver Bow County Stillwater County Sweet Grass County Teton County Toole County Treasure County Valley County Wheatland County Wibaux County Yellowstone County

MT Radon Levels by County View EPA zone data and risk classifications

How to Test for Radon Complete homeowner's testing guide

Why Does Cost Vary in Montana?

Price ranges across Montana 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.