Free visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Fast, Reliable Mold Remediation Across Kent
Mold remediation in Kent typically costs $1,800-$5,500 for residential jobs, with crawl space treatments starting around $1,200 and whole-home air quality restoration reaching $8,000+ for larger properties. We’re usually on-site in Kent within 60-90 minutes of your call, and we bring written pricing with us - no verbal estimates that shift once work starts. Call (425) 689-8468 now for a free inspection with documented moisture readings.
We’ve worked the residential plateau neighborhoods of East Hill and West Hill, the older downtown core near Kent Station, and the warehouse corridor along the valley floor. Kent’s geography is unlike anywhere else in King County. The city sits in the Green River Valley, a FEMA-designated flood corridor where storm-drain backflow and rising groundwater - not roof leaks - drive most of the mold calls we see. That changes everything about how we scope, price, and document the job.
Why DryMark Restoration Redmond Is Kent’s Preferred Mold Remediation Company
Our Mold Remediation in Kent work is built on documentation that survives adjuster review. Every job starts with a written price before anyone touches your property - Haven Standard, Clause 1. Every visit produces a photo record, moisture readings, and drying logs formatted to IICRC and RIA standards. We’ve restored 12,000+ homes since 2011, each with the same documentation package that turns restoration invoices into payable claims.
Kent homeowners research before they call. They read the three-star reviews. They want to see pricing, licensing, and proof that a crew knows their specific building type. We get it. Our technicians are background-checked, uniformed, and licensed - their credentials are shown on request, not claimed and forgotten. Live dispatch answers (425) 689-8468 24 hours a day, no voicemail trees while water is still moving through your walls.
We’re independently owned and operated under The Haven Standard, not a franchise network with rotating contractors. Alicia Brennan founded this company in 2011 after working as a claims adjuster and watching homeowners lose legitimate claims to sloppy documentation. That origin is why we do what we do.
Our Mold Remediation Services in Kent

Mold Inspection & Testing
A proper Kent mold inspection starts with understanding where the water came from. On the valley floor, we often find the source was storm-drain backflow, not a roof leak - which means Category 3 water protocols apply even when the visible damage looks minor. We run moisture mapping with thermal imaging, take psychrometric readings (that’s temperature, relative humidity, and vapor pressure - the data that proves whether a space is actually dry), and collect air and surface samples for third-party lab analysis. You’ll get the lab report, our moisture logs, and a written scope with line-item pricing before any remediation starts.

Mold Removal
Removing mold in Kent’s 1980s-1990s wood-frame homes requires containment discipline. East Hill and West Hill builds from this era often have HVAC systems that run through wall cavities - skip containment during demo, and spores travel through the ductwork into every room. We seal the work zone with polyethylene barriers, run negative air machines, and remove contaminated materials by the square foot, documented with pre- and post-removal photos. Our crews work to IICRC S520 standards, and we warranty the result with our 365-Day Done Right Promise.

Black Mold Remediation
Stachybotrys chartarum - black mold - grows on cellulose materials that stay wet for extended periods. In Kent, we see it most often in crawl spaces after groundwater rise, and in wall cavities behind failed door thresholds where wind-driven rain collected for days. We don’t treat black mold as a marketing scare tactic. We treat it as a contamination problem with a specific remediation protocol: containment, HEPA filtration, antimicrobial treatment of remaining structural members, and post-remediation air quality verification. If the drywall or sheathing is too compromised to save, we say so in writing and show you the moisture readings that back the call.

Air Quality Restoration
After remediation, we don’t guess whether your air is clean. We test it. Our Kent air quality restoration includes post-remediation air sampling compared against outdoor baseline levels, documented to IFA guidelines. For homes with occupied-sensitive individuals - asthma, immunocompromised residents - we can run additional HEPA scrubbing and document particle counts at 0.3 microns. The goal is measurable air quality, not a handshake and a hope.

Crawl Space Treatment
This is where Kent’s geography hurts most. The valley floor channels Cascade snowmelt and Pacific storm runoff directly beneath homes. Storm-drain backflow pushes Category 3 water into crawl spaces, and the 24-48 hour colonization window closes fast. We excavate saturated vapor barriers, treat joists and subflooring with antimicrobial agents, install temporary or permanent moisture barriers, and run Dri-Eaz and Phoenix desiccant dehumidification until moisture readings hit dry standard. Every step is photo-documented, every reading logged.

Moisture & Humidity Control
Long-term mold prevention in Kent requires managing the humidity that the valley geography delivers. We install permanent dehumidification, improve ventilation per RIA guidelines, and show you the psychrometric data that proves your crawl space or basement is no longer a mold incubator. This isn’t upsell - it’s the difference between a one-time remediation and a repeat call next winter.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
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AfterTrusted Brands We Service in Kent
Our equipment fleet runs professional-grade drying systems from Dri-Eaz, Phoenix, and Injectidry - the brands that produce the documented performance data insurers expect to see. Injectidry’s specialized drying systems let us direct heated, dehumidified air into wall cavities and ceiling plenums without destructive demo, which matters in Kent’s older downtown homes where preserving original plaster or trim has real value. We don’t rent equipment by the day and hope it works. We own it, maintain it, and log its output on every job.
Common Mold Remediation Problems We See in Kent Homes

- Storm-drain backflow moisture missed in crawl spaces. Contractors dry the visible interior water but never check below the house. Mold colonizes the subfloor within 24-48 hours while the homeowner thinks the problem is solved. We map moisture in crawl spaces as standard, not optional.
- Wind-driven rain past failing door thresholds treated as Category 1. When the water source is exterior floodwater, Category 3 antimicrobial protocols are required. Skipping them leaves contamination that resurfaces as odor or health complaints. We source-trace every intrusion.
- Containment skipped during demo on East Hill 1980s builds. These homes have HVAC returns and supplies running through wall cavities. Without sealed containment and negative air pressure, spores redistribute through the system. We contain before we cut.
- Groundwater rise after atmospheric river events. Kent’s valley-floor position means hydrostatic pressure pushes moisture through slab edges and foundation cracks. Surface mold treatments fail because the water keeps coming. We address the moisture source or we don’t take the job.
Pricing for Mold Remediation in Kent, WA
Here’s what mold remediation costs in Kent’s market, based on jobs we’ve scoped and completed:
| Service | Typical Range in Kent |
|---|---|
| Mold inspection with moisture mapping & lab sampling | $350-$650 |
| Crawl space mold treatment (up to 1,500 sq ft) | $1,200-$2,800 |
| Single-room mold removal with containment | $1,800-$3,500 |
| Whole-home air quality restoration | $4,500-$8,500 |
| Black mold remediation with structural drying | $3,000-$6,500 |
What moves the number: affected square footage, whether containment requires HVAC shutdown, if materials are Category 3 and require antimicrobial treatment, and whether we can dry in place with Injectidry systems or need controlled demo. Every Kent job gets a written price before work starts - Haven Standard, Clause 1 - with no scope-creep additions once our crew is inside. Bring a competitor’s written estimate and we’ll review it free as part of our Second Opinion program.
We Also Serve Cities Near Kent

Our crews work throughout South King County, including Renton, Maple Valley, Mercer Island, and Issaquah. Each city has its own mold risk profile - Renton’s hillside drainage differs from Kent’s valley-floor backflow, and Issaquah’s newer construction changes the materials we encounter. We adjust our scope and documentation to match. Mold Remediation service details and sub-service descriptions are available on our main hub page.
Serving Kent, WA - Our Local Coverage Area
We’re based in the Kent area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Mold Remediation in Kent

Kent’s valley-floor location channels storm runoff and snowmelt beneath homes through the Green River system, while storm-drain backflow pushes contaminated water directly into crawl spaces. The roof can be perfect and you’ll still get mold colonizing joists and subflooring from below. We see this most after atmospheric river events when the drainage system is overwhelmed. Call (425) 689-8468 for crawl space moisture mapping - estimates are free.
Yes, and sometimes faster. Wind-driven rain through a failed threshold or weatherstripping soaks the wall cavity continuously for hours, while a roof leak may be intermittent. In Kent’s 1980s-1990s wood-frame homes, the OSB sheathing behind siding saturates quickly and mold colonizes within 24-48 hours. We treated exactly this scenario on East Hill after a February atmospheric river - three days of wind-driven rain through a failed exterior door, saturated sheathing, contained drying with Dri-Eaz desiccant dehumidification and XPOWER air movers, antimicrobial treatment to studs, and clean air quality verification. The documentation package passed adjuster review without revision.
Source control and measurable drying. We don’t declare a job finished until moisture readings hit IICRC dry standard and we can show you the psychrometric data proving it. For Kent’s persistent groundwater pressure, that often means permanent crawl space dehumidification, improved vapor barriers, or foundation drainage improvements. Our 365-Day Done Right Promise covers return mold growth in treated areas - if it’s not done right, we make it right, in writing, under The Haven Standard.
Yes. Kent’s warehouse and fulfillment-center corridor - serving major logistics firms along the valley floor - requires industrial-scale desiccant dehumidification and familiarity with active FEMA floodplain permit requirements. We maintain that capacity and have worked large-loss commercial jobs at a scale that residential-only operators in Auburn or Renton don’t typically handle. The documentation standards are the same: written price before work, photo record on every visit, drying logs to RIA and IFA format.
We measure, we don’t guess. When moisture readings show gypsum board core saturation above 1% by weight, or when visual inspection reveals fungal growth penetrating the paper face into the core, removal is required - surface cleaning won’t reach the colonization. We show you the moisture meter readings and the photo documentation that supports the call. If the sheathing behind is salvageable, we dry it in place with Injectidry systems and treat with antimicrobial agents. If it’s compromised, we say so and we show you why. Call (425) 689-8468 for a documented assessment - estimates are free.
Ready to stop mold from spreading? Call (425) 689-8468 now. Live dispatch answers 24 hours a day. We’ll schedule your free Kent inspection, deliver a written price before any work begins, and document every step with the photo records and moisture logs that turn restoration invoices into paid claims.
Written by Alicia Brennan, Owner at DryMark Restoration Redmond, serving Kent since 2011 under The Haven Standard.






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