Kenmore's position at the north end of Lake Washington — with 37-plus inches of annual rainfall and persistently saturated soil — makes this one of the most mold-prone communities in King County. Water Damage Restoration Bothell has performed professional mold remediation throughout the 98028 zip code since 2009, serving properties from the Lake Washington waterfront and Log Boom Park area to the Moorlands neighborhood and the Inglewood-Finn Hill border. We're fully licensed, bonded, and insured, and our team holds active IICRC Applied Microbial Remediation Technician (AMRT) certification. Every job we complete carries a one-year written labor guarantee.
We operate out of Bothell, less than four miles from Kenmore's city center. Our technicians know the micro-climates in this city — the persistent ground moisture in the waterfront blocks, the moss-covered roofs in Moorlands, the crawlspaces in 1960s lakefront homes that have never had proper vapor barriers. When mold remediation work in Kenmore requires permits from the City of Kenmore Community Development Department, we handle the applications and coordinate all required inspections ourselves. We've worked within this jurisdiction for over a decade and know exactly what's required for a clean permit close. Call us any time at (425) 490-8436 — mold doesn't keep business hours, and neither do we.
Water Damage Restoration Bothell is family-owned and has operated in the Kenmore and north King County market since 2009. Our mold remediation services include full visual and moisture-meter inspection, air sampling and surface sampling, negative-pressure containment setup, HEPA-vacuuming and hand-cleaning of affected surfaces, controlled demolition of unsalvageable materials, EPA-registered antimicrobial treatment of exposed framing, post-remediation clearance verification, and full reconstruction — all performed by our own W-2 employees without subcontracting. We've remediated mold in crawlspaces flooded by Lake Washington's water table, in attics where moss growth on the roof deck created a sustained wet environment, and in bathrooms where original 1950s tile grout finally gave way after decades of moisture cycling.
The company was founded by a King County native holding IICRC Applied Microbial Remediation Technician (AMRT) and Water Restoration Technician (WRT) certifications. We carry a Washington State contractor license, full general liability insurance, and workers' compensation on every technician. All remediation work we complete is backed by a one-year written labor guarantee — if mold recurs in an area our team treated due to our work, we return and address it at no cost.
Local knowledge shapes every build. Kenmore's combination of Lake Washington proximity, 37-plus inches of annual rainfall, heavy conifer and deciduous tree canopy, and 1950s to 1970s housing stock is genuinely one of the highest-risk mold environments in the greater Seattle area. Rooftop moss accumulation in Moorlands and the Wayne Golf Course area retains moisture that keeps roof sheathing wet for months at a time — even without an active leak. Crawlspaces in the lakefront zones sit within inches of the water table through the winter, making vapor barrier degradation a near-universal finding in homes older than 30 years. We calibrate our scope and our prevention recommendations to these conditions specifically.
Kenmore's single zip code — 98028 — covers a range of exposures that directly influence mold risk. The lakefront neighborhoods closest to Lake Washington, including the blocks around the Kenmore waterfront and Kenmore Air seaplane base, are the highest-risk zone in the city. Ground moisture levels here are effectively constant through the October-to-April wet season, and crawlspaces in these homes often show active mold on wood framing even when no plumbing event has occurred. The Burke-Gilman Trail corridor and the Log Boom Park area share similar soil conditions — high clay content that holds moisture against foundations.
Moving inland toward Moorlands and the Wayne Golf Course area, the mold risk shifts from groundwater-driven to roof and envelope-driven. Heavy deciduous canopy over these neighborhoods means gutters clog frequently, overflowing water saturates wood fascia and works behind siding. Moss growth on roof surfaces is nearly universal in the older homes here and creates a sustained wet environment on the roof deck that can penetrate into the attic over years. The Inglewood-Finn Hill border properties sit on steeper terrain with better natural drainage, but slope drainage issues can undercut exterior wall bases and create wicking paths into wall assemblies.
Mold remediation in Kenmore that involves structural repairs — replacing mold-damaged framing, insulation, or drywall — requires permits from the City of Kenmore Community Development Department. We handle all permit applications and coordinate the required inspections, and we do not close walls or encapsulate remediated surfaces until the city inspection has been completed and signed off.
We conduct visual inspections using moisture meters and thermal imaging cameras to identify all active moisture sources in Kenmore homes before taking any samples. Air and surface sampling is performed where needed to identify mold species and spore concentrations, giving homeowners documentation appropriate for insurance claims and real estate disclosure requirements.
Learn about mold inspection →Before any mold is disturbed, we establish negative-pressure containment using 6-mil poly sheeting and HEPA-filtered negative air machines. This prevents mold spores from migrating to clean areas of the Kenmore home during remediation — a step that DIY and under-equipped contractors routinely skip, resulting in cross-contamination.
Learn about containment →HEPA-vacuuming removes loose spore concentrations before hand-cleaning with EPA-registered antimicrobials. Porous materials — drywall, insulation, carpet, damaged wood — that cannot be cleaned to clearance standard are removed and properly bagged for disposal per King County protocols. Remaining structural wood is treated and encapsulated where appropriate.
Learn about mold removal →Kenmore crawlspaces are among the most mold-affected spaces we work in across King County — the combination of lake proximity, clay soil, and degraded vapor barriers creates textbook mold growth conditions. We remediate wood framing, replace vapor barriers, address ventilation, and where appropriate install crawlspace encapsulation systems that prevent recurrence even through Kenmore's wettest winters.
Learn about crawlspace mold →Post-remediation air sampling confirms that spore concentrations inside the treated Kenmore home have returned to normal outdoor reference levels before we dismantle containment. This clearance report is provided to the homeowner and, where applicable, submitted to the insurance carrier or included in real estate transaction documentation.
Learn about air quality testing →Remediation without addressing the moisture source is not remediation — it's a temporary fix. For every Kenmore mold job we complete, we identify and document the underlying moisture intrusion pathway and provide a written recommendation for correction. This might be crawlspace encapsulation, gutter replacement, downspout extension, roof moss treatment, or improved bathroom ventilation, depending on the property.
Learn about mold prevention →Reach us at (425) 490-8436 any time. We schedule a free on-site inspection at your Kenmore property, typically within 24 hours of your call, and arrive with moisture meters, thermal imaging equipment, and sampling supplies ready for a complete assessment.
We map every area of elevated moisture and visible mold, photograph all affected surfaces, and provide a written scope-of-work with itemized costs before any remediation begins. You receive complete transparency on what we found, what needs to be done, and why — no high-pressure upselling.
Negative-pressure containment goes up before any mold is disturbed. We then HEPA-vacuum, hand-clean, and where necessary remove affected materials from the Kenmore home under containment, disposing of mold-contaminated debris per King County requirements.
EPA-registered antimicrobials are applied to all treated surfaces and allowed to cure. We then run commercial dehumidification to bring the structure to dry standard, followed by post-remediation air sampling to confirm clearance before enclosing any walls or removing containment.
Our in-house team rebuilds affected drywall, insulation, and finish materials to pre-loss condition. At project close, you receive a one-year written labor guarantee covering everything our crew installed or treated — if mold recurs in a treated area due to our work, we return at no charge.
Mold remediation in Kenmore typically runs between $1,500 and $8,000 for contained residential jobs — a single bathroom wall, a small section of attic sheathing, or a limited crawlspace treatment. Large-scale jobs involving extensive crawlspace framing replacement, whole-attic remediation, or mold that has spread through multiple rooms can run $15,000 to $30,000 or more. Kenmore's older housing stock and persistent moisture environment mean we find larger affected areas here more frequently than in newer, better-sealed construction. Free written estimate before any work starts.
A standard contained mold remediation job in Kenmore — one or two affected rooms plus drying — typically takes three to five days from start to clearance testing. Crawlspace jobs often take a full week because of the access constraints and the additional encapsulation work. After remediation is cleared, reconstruction adds one to three weeks depending on the scope. We give you a day-by-day timeline at the start of the job and update you as it progresses.
Mold remediation work itself — cleaning, treating, and removing mold — does not require a permit in Kenmore. However, if remediation results in structural framing replacement, insulation work in a crawlspace, or any electrical or plumbing modifications, those elements require permits from the City of Kenmore Community Development Department. We identify permit-required scope at the assessment stage and handle all applications.
For surface mold on otherwise structurally sound crawlspace framing, encapsulation with a mold-inhibiting sealant after HEPA cleaning and antimicrobial treatment is an accepted and effective approach — it's less disruptive and less expensive than full framing replacement. However, in Kenmore's moisture environment, encapsulation alone without addressing the underlying moisture source will fail within a few seasons. We recommend encapsulation only where the wood is still structurally sound, the moisture source has been corrected, and a crawlspace vapor barrier or full encapsulation system is part of the plan. Wood that has lost more than 25 percent of its cross-section to rot associated with mold growth gets replaced, not sealed.
We serve all of Kenmore — the Lake Washington waterfront, Log Boom Park area, Moorlands, Wayne Golf Course corridor, Inglewood-Finn Hill border, and the SR-522 commercial and residential zones — all in zip code 98028. We also serve Bothell, Kirkland, Woodinville, and Shoreline. No dispatch fee for any Kenmore address.
Not automatically, but roof moss in Kenmore is a serious indicator of elevated moisture at the roof deck and should be investigated. Moss retains water and keeps the roof sheathing wet for extended periods, which over time drives moisture through the sheathing into the attic — particularly through any nail holes, knot gaps, or minor splits in the wood. We've inspected dozens of Kenmore attics where the homeowner noticed moss but no interior symptoms, and found active mold on the sheathing before any staining appeared on interior ceilings. A free attic inspection is the right first step after noticing significant moss growth.
Our home base — we serve Canyon Park, North Creek, and central Bothell and have extensive mold remediation experience in both the city's older and newer residential zones.
Mold remediation in Bothell →From Juanita's mid-century lakefront homes to high-rise condos in Totem Lake, we handle mold remediation across all of Kirkland's varied housing stock and climate exposures.
Mold remediation in Kirkland →Woodinville's heavily wooded properties and Sammamish River corridor create persistent moisture conditions — we've remediated mold in crawlspaces and attics throughout the area.
Mold remediation in Woodinville →Shoreline's dense post-war housing stock with original plumbing and minimal vapor barriers means mold issues are common — we serve the entire city and respond quickly to any call.
Mold remediation in Shoreline →Tell us where you're seeing the problem — crawlspace, attic, bathroom, or basement — and we'll get a certified technician to your Kenmore property for a free on-site inspection, usually within 24 hours. Free estimate, honest scope, no obligation.
Call (425) 490-8436 for a Free Estimate