"Called at 9 PM after finding black mold in our basement. They were here the next morning, walked us through everything, and the air smelled fresh again within days."
Serving West Bloomington, Bloomington, Minneapolis
Mold removal in West Bloomington, Bloomington
Certified mold removal in West Bloomington, Bloomington. Free on-site inspection, IICRC certified crews, insurance-documented, 24/7 emergency response.
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West Bloomington, Bloomington, Minneapolis
Cold air rolling off Normandale Lake and Hyland Lake can make West Bloomington houses sweat in quiet places. In a 1970s or 1980s two-story near Normandale Boulevard, that often means damp duct liner, frost in the attic, or water on north-facing windows after a January cold snap.
If you are searching for mold removal West Bloomington Bloomington, the cause matters as much as the cleanup. Split-levels and two-stories around West 84th Street, Bush Lake Road, and France Avenue often have poured concrete basements, tight attic corners, and older mechanical rooms that need a careful look before any mold is removed.
When the ductwork is carrying more than air
Many West Bloomington homes near Normandale were built with central air, basement furnaces, humidifiers, and long duct runs feeding second-floor bedrooms. After years of summer cooling and winter humidifier use, dust inside the return side can hold moisture. If a duct liner gets damp, mold can grow where you cannot see it from the floor register.
You may notice a musty smell when the blower starts, light spotting around supply vents, or dust that comes back fast after cleaning. Homes near West 90th Street, Normandale Boulevard, and the Bush Lake area can also see more condensation when cold basement ductwork runs through a damp utility room.
Duct mold needs source control first. That means checking the evaporator coil, drain pan, filter rack gaps, humidifier pad, return leaks, and any internally lined sections. Cleaning only the grille does not solve a wet air handler or a return chase pulling air from a musty basement wall cavity.
Bathroom fans that end in the attic
A lot of 1970s and 1980s two-stories in West Bloomington have bath fans that were never run all the way outdoors. Some stop under the insulation. Some dump warm shower air through a loose hose near the roof deck. In February, that air hits cold plywood, turns to frost, then melts when the sun warms the roof.
This is common near Normandale Lake and Hyland Park because the winter air is dry outside but indoor shower moisture is steady. The first signs are gray or black staining on roof sheathing, wet insulation above an upstairs bath, nail rust, or a ceiling stain that appears after a thaw rather than during rain.
Mold removal in an attic should include fixing the exhaust path. The fan duct needs to be connected, insulated, sloped the right way, and discharged through a proper roof or wall cap. If the mold is cleaned but the fan still vents into the attic, the same sheathing will get wet again.
Humidifiers set too high for a Minnesota cold snap
Whole-house humidifiers are common in West Bloomington two-stories with forced-air heat. They help with dry winter air, but they can also push indoor humidity too high when the temperature drops below zero. Then moisture shows up on bedroom windows, rim joists, closet walls, and cold corners behind furniture.
The problem is sharper in homes with aluminum windows, older double-pane units, or finished basements with a poured concrete foundation. Around Normandale and West 98th Street, we often see condensation collect where basement framing meets the foundation or where upstairs rooms sit over an attached garage.
A good mold plan checks the humidifier setting, outdoor temperature control, bypass damper, furnace cabinet, and drainage. The cleanup area might be a window return, basement rim, or closet wall, but the moisture source may be the mechanical system. You want the house dry enough to stop growth without making the living space uncomfortable.
Services
Mold problems we solve in Minneapolis
From a single moldy bathroom wall to whole-basement remediation, every job handled by certified, insured technicians.
Mold Inspection & Testing
Air and surface testing with certified lab analysis.
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Mold Removal & Remediation
Full containment, removal, and HEPA air scrubbing.
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Black Mold Removal
Safe removal of toxic Stachybotrys (black mold).
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Basement Mold Removal
The #1 mold problem in Minneapolis homes, solved.
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Attic Mold Removal
Roof leak and ventilation mold treated and sealed.
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Real Minneapolis Jobs
Before & after
Local homes, real results. Every job documented with photos, lab reports, and clearance testing.
Basement drywall, South Minneapolis
Heavy mold removed and surface restored after spring flooding.
Attic sheathing, Edina
Ventilation issue corrected, sheathing treated and sealed.
5-Star Reviews
Trusted across the Twin Cities
4.9from 380+ local homeowners
"Honest pricing and no scare tactics. Other companies wanted $8k, these guys did the job properly for less than half that and showed me the lab results."
"We had attic mold from an old roof leak. The team handled insurance paperwork and the workmanship warranty gave us real peace of mind selling the house."
Service Area
Serving Minneapolis & the Twin Cities Metro
Locally owned. Same-day response across the metro, no out-of-state subcontractors, ever.
FAQ
Common questions, straight answers
Why does my West Bloomington house smell musty only when the furnace runs?+
That often points to the return side of the HVAC system, a damp filter area, a dirty coil, or duct liner that has held moisture. It can also pull air from a basement wall cavity or utility room. The ductwork and air handler should be inspected before surfaces are cleaned.
Is attic mold common near Normandale in Bloomington?+
Yes, especially in two-story homes from the 1970s and 1980s where bathroom fans were vented into the attic. Winter shower moisture can freeze on the roof deck and then melt during warmups. Cleaning should be paired with proper fan venting.
Can my whole-house humidifier cause mold on windows and walls?+
Yes. If the humidifier is set too high during very cold weather, condensation can form on glass, trim, rim joists, and cold wall areas. The setting may need to change with outdoor temperature, and the humidifier should drain and shut off correctly.
Do I need mold testing before mold removal in West Bloomington Bloomington?+
Testing is not always needed when the growth and moisture source are clear. An inspection can identify whether the issue is attic venting, HVAC moisture, plumbing, or condensation. Testing can help when the smell is present but the source is hidden.
We work the whole Twin Cities metro. Wherever you are, the job usually starts with a mold inspection and moves into removal and remediation. Curious about price? See Minneapolis mold removal cost. City-side, try a neighborhood page like Nokomis. Or a specialty scope like attic mold from a roof leak.
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Everything we cover for Minneapolis homeowners
Pricing by job type, neighborhood-specific pages, and specialty scopes. Pick what looks like your situation.
Pricing
2026 Minneapolis mold pricing guides
Neighborhoods
Minneapolis neighborhood mold removal
- Nokomis
- Northeast Minneapolis
- Powderhorn
- Linden Hills
- Camden
- Uptown
- Kenwood
- Longfellow
- Whittier
- Loring Park
- Marcy-Holmes
- Como
- Prospect Park
- Seward
- Cedar-Riverside
- Bryn Mawr
- Fulton
- Kingfield
- Standish-Ericsson
- Windom
- Highland Park, St. Paul
- Mac-Groveland, St. Paul
- Como (St. Paul), St. Paul
- Morningside, Edina
- Country Club, Edina
- Cahill, Edina
- Elmwood, St. Louis Park
- Fern Hill, St. Louis Park
- Browndale, St. Louis Park
- East Richfield, Richfield
- West Richfield, Richfield
- Central Richfield, Richfield
- East Bloomington, Bloomington
- Oxboro, Bloomington
- The Preserve, Eden Prairie
- Hidden Ponds, Eden Prairie
- Bearpath, Eden Prairie
- Glen Lake, Minnetonka
- Groveland, Minnetonka
- Burwell, Minnetonka
- Bass Lake, Plymouth
- Parkers Lake, Plymouth
- Medicine Lake, Plymouth
- Arbor Lakes, Maple Grove
- Rush Creek, Maple Grove
- Weaver Lake, Maple Grove
- Cedar Grove, Eagan
- Lexington-Diffley, Eagan
- Central Park, Eagan
- Heart of the City, Burnsville
- Sunset Pond, Burnsville
- Southcross, Burnsville
- Powers Lake, Woodbury
- Wedgewood, Woodbury
- Stonemill Farms, Woodbury
- Central Park, Roseville
- Owasso, Roseville
- Langton Lake, Roseville
Specialty jobs
Specialty mold services in Minneapolis
Mold won't wait. Neither do we.
Call now for a free inspection. A certified Minneapolis technician will be at your door, often the same day.