Mold Removal Companies in Seattle, Washington
Mold removal companies in Seattle range from IICRC-certified professionals with independent clearance testing to operators without verified credentials. The mold removal industry has a documented history of consumer complaints — this directory helps you tell them apart.
Why You Need Two Companies, Not One
The biggest mistake Seattle homeowners make when dealing with mold isn't hiring a bad contractor. It's hiring one company to do everything. The company removing your mold has a financial interest in finding as much mold as possible — if that same company does your testing, there's no independent check on their work.
The industry standard (IICRC S520) requires the removal company and the verification inspector to be separate. The final step of any legitimate mold removal job is a clearance test by an independent inspector — confirming the mold is gone and your home is safe. This directory lists contractors and inspectors separately for exactly this reason.
Mold Removal Contractors in Seattle
98 listedQuick Dry Restoration SeaTac
18858 72nd Ave S, Kent, WA 98032
+1 206-485-5522H2O AWAY
1342 88th Ave SE #104, Tumwater, WA 98501
+1 855-775-8614PureDry Restoration
606 Rainier St, Snohomish, WA 98290
+1 425-414-7670Environix
3731 132nd St SW, Lynnwood, WA 98087
+1 425-243-3859Robinson Restoration - Seattle
21120 77th Ave S, Kent, WA 98032
+1 206-289-0140Pacific Rim Complete Restoration
10016 Edmonds Way Ste C 154, Edmonds, WA 98020
+1 877-346-1608ServiceMaster of Seattle
21220 87th Ave SE, Woodinville, WA 98072
+1 425-696-6207All New Again®
15408 Main St #103, Mill Creek, WA 98012
+1 425-485-3333Hydro Shield Restoration
14016 Lenora Pl N, Seattle, WA 98133
+1 206-495-3544Fischer Restoration
6608 220th St SW #120, Mountlake Terrace, WA 98043
+1 206-633-2065All Seattle Mold Removal Contractors
The Flood Guys - Water, Fire, Mold & Storm
20129 72nd Ave S, Kent, WA 98032
+1 844-356-6338Paul Davis Restoration of Tacoma
3104 142nd Ave E Suite 105, Sumner, WA 98390
+1 253-527-6644Eco Water Restoration
1321 Central Ave S D, Kent, WA 98032
+1 253-364-4297PuroClean of Redmond/Woodinville
20109 144th Ave NE, Woodinville, WA 98072
+1 425-559-9633Paul Davis Restoration of Greater Seattle
15004 35th Ave W, Lynnwood, WA 98087
+1 206-207-9531FireWater Restoration Services | DKI
710 Thomas Ave SW, Renton, WA 98057
+1 206-682-1483All Dry Services of Seattle
17191 Bothell Way NE, Lake Forest Park, WA 98155
+1 206-814-1900American Water Damage Restoration LLC
123 2nd Ave S STE 230 #49, Edmonds, WA 98020
+1 206-771-7040All Things New Restoration
2125 196th St SW Unit #101, Lynnwood, WA 98036
+1 425-217-3696Pacific Northwest Inspections Group
1645 140th Ave NE Ste. A4 #1180, Bellevue, WA 98005
+1 425-608-9553Superior Restoration
16750 Redmond - Woodinville Rd NE Bldg. C-103, Woodinville, WA 98072
+1 425-481-5391Greater Seattle Construction LLC.
14522 NE North Woodinville Way Ste 205, Woodinville, WA 98072
+1 425-949-5601BELFOR Property Restoration (Seattle)
4320 S 131st Pl #100, Seattle, WA 98168
+1 206-632-0800Water Damage Restoration Seattle
4706 California Ave SW, Seattle, WA 98116
+1 206-558-8508Washington Water Damage & Cleaning Services
19652 70th Ave S Ste 7-5, Kent, WA 98032
+1 206-621-7774American Environmental Construction LLC
7417 4th Ave S, Seattle, WA 98108
+1 206-267-0746Pacific Remediation And Restoration
13502 NE 124th St, Kirkland, WA 98034
+1 425-636-8161Northwest Water & Fire Restoration
1100 Bellevue Way NE Ste 8A, Bellevue, WA 98004
+1 425-818-0377Mold Remediation And Restoration Everett
12037 W Mall Dr, Everett, WA 98208
+1 425-474-7916Seattle Mold And Restoration Service
5001 Rainier Ave S, Seattle, WA 98118
+1 206-479-2535TOV Restoration - Water, Fire, and Mold Damage
1010 SE Everett Mall Way # 100, Everett, WA 98208
+1 425-350-9283Pacific northwest mold testing &inspecting
8602 14th Ave SW, Seattle, WA 98106
+1 206-778-8112SERVPRO of West Seattle and Burien
4700 42nd Ave SW Suite 535, Seattle, WA 98116
+1 206-312-9187Environment Control North Seattle Restoration Services
1800 136th Pl NE suite 202, Bellevue, WA 98005
+1 425-563-7662Nectar Mold Remediation
553 19th Ave, Seattle, WA 98122
Gondar LLC
5823 16th Ave S, Seattle, WA 98108
5 Red Flags When Hiring a Mold Removal Company in Seattle
They offer free testing.
Legitimate mold inspectors charge for their services — typically $200–$600. A "free inspection" means the company is betting on finding enough mold to sell you a remediation job. That incentive structure doesn't produce honest assessments.
They want to do both the testing and the removal.
If one company wants to assess the problem, remove the mold, and confirm the work is done, you have no independent verification of anything. The conflict of interest is structural, not personal. Require separate companies.
They diagnosed "black mold" without a lab test.
No one can identify mold species by looking at it. A contractor who tells you on the spot that you have toxic black mold is either guessing or pitching. Either way, walk away.
They want full payment before work starts.
Standard industry payment structure: 25% when work begins, 25% at midpoint, 50% after completion and a passing clearance test. Full payment upfront is one of the oldest contractor scams in any trade.
They can't give you a written, itemized estimate.
If a contractor can't tell you in writing exactly what they'll contain, remove, and charge — they can't be held accountable for delivering it. Verbal quotes are not contracts.
What Mold Removal Costs in Seattle
| Location | Typical range |
|---|---|
| Bathroom | $500 – $1,500 |
| Crawl space | $500 – $2,000 |
| Basement | $1,000 – $4,000 |
| Attic | $1,000 – $4,000 |
| HVAC system | $2,000 – $8,000 |
| Whole house (severe) | $10,000 – $30,000+ |
Per square foot: $10–$25 for most jobs. National average: $2,300–$2,400.
Is your quote too high?
Get at least three written estimates before you commit. A legitimate company will itemize their quote — square footage of containment, materials to be removed, equipment, and timeline. A quote delivered under pressure to sign immediately is a red flag regardless of price.
What's not included in most quotes:
The independent clearance test (budget $150–$400 separately), structural repairs after material removal, and treatment of the moisture source itself. Ask every contractor: does your quote include moisture source identification, or just mold removal?
Does Insurance Cover Mold Removal in Washington?
Short answer: usually not. Standard homeowners insurance policies cover mold only when it results from a sudden, accidental covered event — a burst pipe, an overflowing appliance, a roof damaged by a named storm.
What insurance almost never covers:
- ×Mold from a slow leak — classified as owner neglect
- ×Mold from flooding — standard policies and FEMA flood insurance both exclude mold
- ×Mold from condensation, poor ventilation, or long-standing moisture
Common Questions About Mold Removal
Is this black mold?▾
There's no way to know by looking at it. Mold color doesn't identify species — you'd need a lab test for that. Don't let a contractor charge you a premium because they called it black mold without a test.
Do I have to leave my house during mold removal?▾
It depends on where the mold is and how much there is. For contained jobs in one area, most families can stay in another part of the house. For larger jobs involving multiple areas or your HVAC system, leaving for the duration is standard.
How do I know the mold was actually removed?▾
The only reliable answer is a clearance test by an independent inspector — someone with no financial connection to the removal company. Any contractor who completes work and doesn't mention a clearance test is leaving you with no way to verify the job.
Will my insurance cover this?▾
Only if mold resulted from a sudden, covered event like a burst pipe or appliance failure. Mold from slow leaks, poor ventilation, or flooding is almost never covered. Even when covered, most policies cap mold coverage at $1,000–$10,000.
How long does mold removal take?▾
Most standard residential jobs take 1–5 days. Add 2–5 business days for clearance test lab results after the job is complete. If you have a real estate closing deadline, get that timeline in writing from both the contractor and the inspector.
Can mold come back after removal?▾
Yes — if the moisture source isn't fixed. Mold is a symptom of a water problem. A legitimate contractor identifies and addresses the moisture source as part of the job.
What's the difference between a mold inspector and a mold removal company?▾
A mold inspector tests your home, identifies the extent of the problem, and writes the scope of work. They do not remove mold. A mold removal company physically removes the mold. The inspector also does the final clearance test. These must always be two separate companies.
Is Mold Removal Licensed in Washington?
Washington does not currently require a specific license for mold remediation. This makes the IICRC certification check more important, not less. The independent clearance test is the most reliable safeguard a homeowner has in unregulated markets.
Full Washington licensing guide →More Seattle Mold Removal Resources
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Disclaimer: MoldRemovalSource.com is an independent directory. Listings are provided for informational purposes only and do not constitute an endorsement of any contractor or inspector. Credential information is verified at time of listing and may change — always verify current certifications directly before hiring. Full disclaimer →