Mold Removal Contractors in Kent, WA

10 listed 78% humidity (high risk) 37" annual rain typical job $1.8k–$5.1k

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Mold in Kent, WA

Kent's combination of high humidity (78% average) and substantial rainfall (37 inches annually) creates ideal conditions for mold growth, especially in older homes. Since the median Kent home was built in 1985, many have crawlspaces and basements that weren't designed with modern moisture barriers. Moisture migrates into these foundation areas year-round, and without proper ventilation or drainage, mold takes hold quickly. You're not dealing with a dry-climate leak problem here; you're dealing with persistent ambient moisture that favors mold.

Remediation projects in Kent typically run between $1,750 and $5,100. The wide range reflects real differences in scope. A localized bathroom or basement corner might be $1,750-$2,500. Larger jobs involving crawlspace encapsulation, multiple rooms, or structural damage push toward $5,100 or beyond. Before you get quotes, know whether you're looking at surface cleanup or something that requires addressing the moisture source itself. That distinction drives cost more than anything else.

Washington State takes contractor licensing seriously. Any mold remediation contractor working on your home must hold a current contractor registration with the Department of Labor and Industries. Don't skip this step. Verify credentials at lni.wa.gov before hiring anyone. You'll find 22 contractors listed here for Kent, but registration status isn't optional.

One critical note for Kent specifically: if your home has a crawlspace (very common for 1985-era builds here), get it inspected before you hire. Many mold problems start there and spread upward. A contractor who won't look at your crawlspace first is likely missing the real problem.

26322 97th Ave S, Kent, WA 98030, USA

★ 5 · 76 reviews on Google

25248 Pacific Hwy S ste. 101, Kent, WA 98032, USA

25522 74th Ave S, Kent, WA 98032, USA

★ 4.8 · 76 reviews on Google

21006 132nd Ave SE, Kent, WA 98042, USA

★ 4.7 · 57 reviews on Google

19652 70th Ave S Ste 7-5, Kent, WA 98032, USA

★ 4.7 · 38 reviews on Google

8320 S 208th St Suite H101, Kent, WA 98032, USA

6620 S 192nd Pl, Kent, WA 98032, USA

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Business data sourced from public records · Last updated April 2026

MoldGuide is a lead referral service. We do not employ, endorse, or guarantee the work of any contractor listed. Verify licenses, insurance, and certifications independently before hiring.