Mold Remediation · Seattle, WA/Updated June 13, 2026
The Best Mold Remediation Companies in Seattle, WA
Mold issues can escalate quickly in Seattle's damp climate. Hiring the right remediation company can save you from costly damages.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent7 companies evaluated
cover story
★ Editor's ChoiceSeattle Mold Solutions
96Score
Latest update · June 13, 2026: Initial ranking published. 7 Seattle-metro mold remediation businesses evaluated, top 7 ranked by Vetted Score.
Mold remediation is critical in Seattle, where the wet climate creates an ideal environment for mold growth. Ignoring mold problems can lead to serious health issues and significant property damage, making it essential to hire a qualified service.
We evaluated seven local providers based on their ratings and customer reviews, ensuring that our rankings reflect the most reliable options available. Each company was assessed for its service quality, customer feedback, and overall reputation in the Seattle area.
7mold remediation companies evaluated in Seattle
4.89average rating across the field
102customer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
With a perfect 5-star rating from 21 reviews, Pacific Northwest Mold Testing & Inspecting is recognized for its affordable pricing and expert testing services.
How we evaluated all 7 mold remediation companies.
To rank the best mold remediation companies in Seattle, we analyzed a total of seven providers, focusing on their Vetted Scores, customer ratings, and review counts. We believe transparency is key, so all businesses were evaluated fairly, without any payment for placement.
Our rankings are updated monthly to reflect the latest customer feedback and changes in service quality. This ensures that you have access to the most accurate information when making your decision.
The Vetted Score: six weighted factors
Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%
Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.
Seattle Mold Solutions earns a stellar 4.9 rating from 35 reviews. Customers commend their thorough inspections and effective remediation strategies. This company is ideal for homeowners seeking reliable mold removal services. However, with a limited review base compared to larger markets, some may find it a bit untested. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is reliable mold removal. It serves Seattle, WA, with $200 to $600 pricing, and the honest trade-offs are limited review base.
With a perfect 5-star rating from 21 reviews, Pacific Northwest Mold Testing & Inspecting is recognized for its affordable pricing and expert testing services. Customers appreciate the detailed reports and timely responses. A caveat is that their focus on testing rather than remediation may not suit all clients. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is affordable mold testing. It serves Seattle, WA, with $150 to $400 pricing, and the honest trade-offs are focus on testing, not remediation.
Fast Mold Testing - Seattle holds a 4.9 rating with 11 reviews. Customers value their quick response times and thorough assessments. This company is a solid choice for those needing prompt mold testing. However, the smaller number of reviews might make some potential clients hesitant. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is prompt mold testing. It serves Seattle, WA, with $100 to $300 pricing, and the honest trade-offs are smaller review base.
RestoPros of Seattle has a 4.8 rating from 12 reviews. Clients appreciate their comprehensive services and knowledgeable staff. They're well-suited for homeowners looking for a full-service solution to mold issues. However, the limited reviews may raise some concerns about their consistency. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is full-service mold solutions. It serves Seattle, WA, with $250 to $500 pricing, and the honest trade-offs are limited reviews.
Mold Remediation Seattle WA holds a perfect 5-star rating from 7 reviews. Customers praise their professionalism and thoroughness. This company is a great option for those wanting a high-quality service. Still, the small review count suggests their reputation is still in the building phase. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is high-quality service. It serves Seattle, WA, with $200 to $600 pricing, and the honest trade-offs are small review count.
Rain City Mold Testing has a perfect 5-star rating from 6 reviews. Customers appreciate their punctuality and detailed testing reports. This company is suitable for those needing prompt and precise assessments. However, the limited number of reviews may make potential clients cautious. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is precise mold assessments. It serves Seattle, WA, with $150 to $400 pricing, and the honest trade-offs are limited reviews.
Seattle Mold Experts has a 4.6 rating from 10 reviews. Reviewers highlight their knowledgeable technicians and effective solutions. They are a reasonable choice for those needing expert advice. However, their relatively lower rating and small review base may deter some potential clients. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is expert advice. It serves Seattle, WA, with $200 to $500 pricing, and the honest trade-offs are lower rating and small review base.
Pros
Knowledgeable technicians
Effective solutions
Good customer service
Cons
Lower rating
Small review base
Best forExpert advice
Service areaSeattle, WA
Typical pricing$200 to $500
Before you book
How to choose a mold remediation company in Seattle
Selecting the right mold remediation company is crucial to effectively address your mold issues. Here are three key factors to consider.
Check for experience and specialization
Look for companies with a proven track record in mold remediation specifically, rather than general contractors.
Evaluate customer reviews
Prioritize companies with a solid number of positive reviews to gauge their reliability and service quality.
Confirm certifications and insurance
Ensure the company is certified for mold remediation and carries adequate insurance to protect against any potential liabilities.
What it costs
What mold remediation costs in Seattle
Mold remediation costs can vary based on the extent of the problem and the size of the affected area. Here's a breakdown of typical pricing tiers.
Small jobs (single room)$500 to $1,500, depending on the severity of the mold.
Medium jobs (multiple rooms)$1,500 to $3,500, often requiring more extensive cleanup and repairs.
Large jobs (whole home)$3,500 to $10,000, especially if structural repairs are necessary.
Testing and inspection services$150 to $500, depending on the scope and thoroughness of the inspection.
Frequently asked questions
How much does mold remediation cost in Seattle?
Costs for mold remediation in Seattle typically range from $500 to $3,000, depending on the extent of the infestation and the specific services required.
What should I do if I find mold in my home?
If you find mold, contact a professional mold remediation company immediately. They can assess the situation and determine the best course of action.
How often is this ranking updated?
We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.
Our verdict
For most Seattle homes: <strong>Seattle Mold Solutions</strong>
Call Seattle Mold Solutions first. Their impressive 4.9-star rating from 35 reviews indicates strong reliability. If you need a service with a perfect score, Pacific northwest mold testing & inspecting is your choice, especially for thorough testing and inspection needs. For quick responses and flexibility, Fast Mold Testing - Seattle is a solid option, particularly if time is of the essence.
Cityvetted
