Mold Removal in Sumner, WA

Sumner calls itself the Rhubarb Pie Capital of the World and holds Rhubarb Days each year. It's a small Pierce County city about 28 miles from Seattle in a straight line, with a downtown Sounder commuter rail station that links it to Seattle and Tacoma. REI's corporate offices and distribution center are here too.

After the December 2025 atmospheric river

During the December 2025 atmospheric river flooding, the City of Sumner said that to its knowledge no one in the city was displaced, while nearby neighbors kept seeing impacts. Pierce County asked residents and businesses, including those in Sumner, to submit damage reports. If water reached your garage, crawl space or lower floor, remember EPA's rule: materials that stayed wet longer than 24 to 48 hours should be treated as moldy, even if nothing is visible yet.

Decay and weathering

Sumner's building design criteria rate termite and decay risk as slight to moderate and weathering as moderate, and they use the FEMA Flood Insurance Rate Map as the flood hazard criterion. In plain terms, wood that stays damp here will eventually rot, and mold usually shows up first. Look for:

• Dark spotting on crawl space joists or the underside of subfloor.
• Peeling paint and soft trim around windows and doors.
• Stains on ceilings below bathrooms or roof valleys.
• A musty smell that's strongest after a few days of rain.

Permits

Mold removal isn't permitted work, but replacing framing, subfloor or large sections of drywall can be. Building permits go through the City of Sumner Permit Center and its online portal, and its Development Specialists can answer questions.

Renters

Start with written notice to your landlord. Washington law requires landlords to keep units weathertight and in good repair, and written notice starts the repair clock. Sumner's code complaint process takes complaints through an online form or a form at City Hall on Maple Street and routes them to the right department. The page lists abandoned, neglected or failing buildings but doesn't mention rentals or mold, so describe the leak or building problem itself. This is general information, not legal advice.

Health and hiring

The Tacoma-Pierce County Health Department has a mold FAQ. EPA notes that people with asthma or weakened immune systems should avoid moldy areas. When you call, you'll be connected with an independent local company. Washington has no state mold license or certification; confirm the company is registered with Washington L&I as a construction contractor using L&I's Verify a Contractor tool, and get bids in writing.