RapidDry Restoration Seattle

Mold Remediation in Seattle, WA

Certified Mold Removal, Testing & Inspection · 24/7 Response · Independent Clearance Testing

Mold grows silently — behind drywall, under flooring, in crawl spaces, and across attic sheathing — and in Seattle's damp climate it can colonize within 24 to 48 hours of a leak. By the time you see spots or smell that musty odor, a small moisture problem may already be a full infestation.

RapidDry Restoration Seattle delivers certified mold remediation across Seattle with a 30-minute emergency response, IICRC AMRT-certified technicians, and independent third-party clearance testing — so you get proof the mold is gone from a lab, not from us. We don't just remove the mold; we find and fix the moisture source driving it, so it doesn't come back.

  • ⭐ 4.9 (184+ Reviews) · IICRC Certified Firm #684920 · WA Licensed & Insured · Serving Seattle Since 2012
Professional mold removal and remediation in Seattle WA
📞 Call (206) 555-0199 — 30-Minute Response · 🛡️ Request Your Free Mold Inspection

Seattle's Certified Mold Remediation & Removal Experts

Anyone can wipe mold off a wall. Real remediation means containing the spores, removing the contaminated materials, fixing the moisture source, and verifying the job with independent lab testing — the difference between mold that's gone and mold that's back in three months.

Why Mold Is a Constant Threat in Seattle's Wet Climate

Seattle's 37-plus inches of annual rainfall, dense tree canopy, and Puget Sound humidity keep soil and structures perpetually damp — while overcast skies give materials little chance to dry out. Older homes built before modern building science compound the problem, especially where bathroom exhaust fans were retrofitted to vent into attics instead of through the roof, dumping warm, humid air onto cold sheathing and feeding hidden mold for years.

30-Minute Response · IICRC AMRT-Certified Technicians

RapidDry's AMRT-certified crews respond in 30 minutes, 24/7/365, following IICRC S520 remediation standards. We arrive with moisture meters, thermal imaging, HEPA air scrubbers, and containment systems ready — and every job ends with independent clearance testing.

What Is Mold Remediation?

Mold remediation is the professional process of safely removing mold, containing its spores, and correcting the underlying moisture problem that caused it. It goes far beyond surface cleaning — it addresses both the visible infestation and the hidden root cause.

Mold Removal vs. Mold Remediation — What's the Difference?

People search this constantly, and the distinction matters. Mold removal is the physical act of taking mold out. Mold remediation is the complete, systematic process — inspection, testing, containment, removal, antimicrobial treatment, moisture-source repair, and clearance verification. Remediation is what actually keeps mold from returning.

Why Complete Remediation Matters — Not Just Surface Cleaning

Wiping or painting over mold doesn't work. Mold reproduces through microscopic spores, and disturbing a colony without containment releases millions of them into the air — spreading contamination through your home. Without identifying and correcting the moisture source and removing every contaminated material, the mold simply grows back. That's why RapidDry treats the cause, not just the symptom.

Signs You May Have a Mold Problem in Your Seattle Home

Mold is usually well-established before homeowners notice it. Because it thrives in hidden, moisture-rich spaces, it can grow undetected for weeks or months. Watch for these warning signs.

Visible Growth, Musty Odors & Water Stains

Persistent musty or earthy smell — often the earliest and most reliable indicator of hidden mold

Visible growth — black spots, white fuzzy patches, or greenish-yellow staining on walls, ceilings, grout, and wood framing

Recent water damage or flooding — untreated moisture colonizes within 24–48 hours

Bubbling paint, peeling wallpaper, or warped drywall — signs of trapped moisture behind surfaces

Dark ceiling stains — often roof leaks or attic condensation, common in Pacific Northwest homes

High indoor humidity — levels above 60% promote mold, especially in poorly ventilated spaces

Health Symptoms — When Mold Affects Your Family

According to the Institute of Medicine, dampness and mold exposure are linked to coughing, allergy flare-ups, upper respiratory symptoms, and asthma. If anyone in your home has recurring congestion, headaches, or unexplained fatigue that improves when they leave the house, hidden mold may be the cause.

⚠️ Don't disturb visible mold yourself. Scrubbing or sanding without containment releases millions of spores and spreads the contamination throughout your home.

Health Risks of Mold Exposure

Mold isn't just a property problem — it's a health one. According to the Institute of Medicine, indoor dampness and mold are linked to a range of respiratory and allergic symptoms, and prolonged exposure carries real risk for sensitive individuals.

Respiratory Symptoms, Allergies & Asthma Triggers

Common symptoms of mold exposure include:

Coughing, sneezing, and nasal congestion

Upper respiratory irritation and worsened asthma

Allergy flare-ups, watery or burning eyes

Skin rashes, chronic headaches, and fatigue

Sinus problems that linger in damp indoor air

Who's Most at Risk

Mold affects everyone, but some are far more vulnerable: children, the elderly, pregnant women, and anyone with asthma, allergies, respiratory conditions, or a weakened immune system. For these groups, prompt professional remediation isn't optional — it's a health priority.

The Dangers of Ignoring Mold in Seattle Properties

In Seattle's damp climate, mold doesn't wait — and ignoring it costs far more than acting fast. Here's what delay leads to.

🦠 Rapid Spread in Puget Sound Humidity

Mold colonizes within 24–48 hours and keeps spreading as long as the moisture source remains — faster here than in drier climates, thanks to Seattle's persistent humidity and limited natural drying.

🏚️ Structural Damage

Mold feeds on wood, drywall, and flooring, weakening framing, subfloor, and building materials over time — a serious concern in Seattle's older homes exposed to long moisture cycles.

🌬️ Declining Indoor Air Quality

Airborne spores circulate through your HVAC system and living spaces, degrading the air your family breathes and triggering the health symptoms above.

💰 Decreased Property Value

Visible mold or a documented history of it can drop your property's value and scare off buyers in Seattle's competitive market — and complicate disclosures at sale.

👃 Persistent Musty Odors

Trapped moisture leaves musty odors that permeate the whole property and linger in Seattle's damp environment long after surfaces look clean.

What Causes Mold Growth in Seattle Homes?

Mold needs three things: moisture, organic material, and warmth. In Seattle, the first one is almost always the culprit — and identifying the real source is what separates lasting remediation from a temporary fix.

💧 Water Damage, Leaks & Flooding

Roof leaks, plumbing failures, burst pipes, appliance leaks, and basement flooding leave behind the trapped moisture mold needs. Undried water damage is the number-one driver of mold in Seattle homes.

🌧️ Seattle's Wet Season, Rainfall & High Humidity

Fall-through-spring rains, atmospheric river events, and Puget Sound humidity keep materials damp and indoor levels above the 60% mold threshold — especially in homes without active moisture control.

🌬️ Poor Ventilation, Condensation & Drainage Issues

The Seattle classic: bathroom exhaust fans vented into the attic instead of through the roof, dumping humid air onto cold sheathing. Add poor crawl space airflow, failed vapor barriers, condensation on cold surfaces, and inadequate foundation drainage, and mold has everything it needs.

Because moisture is the root, every RapidDry project identifies and corrects the source — not just the mold. Mold that regrows is almost always mold whose moisture source was left running.

Our Complete Mold Remediation Services in Seattle

From first inspection to independent clearance testing, RapidDry handles every phase of mold recovery under one certified roof.

🔍 Mold Inspection & Assessment

Thermal imaging, moisture meters, and borescopes locate visible and hidden mold, and identify the moisture source driving it.

🧪 Mold Testing (Air & Surface Sampling)

Air spore-trap sampling and surface swab/tape-lift testing map contamination and confirm the species — with clear lab reporting.

🚧 Mold Containment

Poly-sheeting barriers and negative-air pressure isolate the work area, stopping spores from spreading to clean rooms.

🌀 HEPA Air Filtration & Removal

Industrial HEPA air scrubbers capture airborne spores while contaminated materials are safely removed and disposed of to EPA/IICRC standards.

🧫 Antimicrobial Treatment & Decontamination

EPA-registered antimicrobial agents and HEPA vacuuming eliminate residual mold on salvageable surfaces and inhibit regrowth.

🛡️ Mold Encapsulation

Sealant/encapsulant coatings lock down treated surfaces where removal isn't feasible, preventing future spore release.

🌬️ Structural Drying & Moisture Source Repair

Air movers and LGR dehumidifiers dry affected materials, and we correct the leak, ventilation, or drainage fault — including exhaust-fan vent correction — so it doesn't return.

✅ Independent Clearance Testing & Lab Verification

A third-party lab tests air and surface samples after remediation. Results go directly to you — we don't mark our own homework.

Mold Remediation for Every Area of Your Property

Mold shows up in specific, predictable places across Seattle homes — each with its own moisture source and its own fix. RapidDry remediates them all.

🏠 Attic Mold Removal

Seattle's most common mold problem. Bathroom exhaust fans vented into the attic, roof leaks, and poor ventilation dump humid air onto cold sheathing — feeding mold that grows unseen for years. We remediate the mold and redirect the fan vent through the roof so it doesn't return.

🕳️ Crawl Space Mold Removal

Ground moisture, failed vapor barriers, and inadequate airflow make Seattle crawl spaces a mold hotspot. We remove contamination, correct the vapor barrier, and control the ground moisture at the source.

🧱 Basement Mold Removal

Foundation moisture intrusion, hydrostatic pressure, and Seattle's damp soil drive basement mold. We contain, remove, dry, and address the drainage or seepage feeding it.

🚿 Bathroom, Shower & Window Mold Removal

Chronic humidity, inadequate exhaust ventilation, and condensation around windows create persistent surface mold. We remove it and correct the ventilation so it stops coming back.

⚫ Black Mold Removal

Toxic black mold (Stachybotrys) demands full containment, negative air, HEPA scrubbing, and PPE. Our AMRT-certified crews handle it safely and verify removal with independent clearance testing.

Types of Mold We Remediate

Not all mold is the same. Identifying the species guides the safety protocol and remediation plan — one reason professional testing matters before any work begins.

Mold TypeWhat It IsWhere It Grows in Seattle Homes
Cladosporium, Penicillium & AspergillusCommon household molds — the most frequent indoor speciesDamp walls, HVAC systems, around windows, water-damaged materials
Stachybotrys (Black Mold)The toxic, hazardous species that demands full containmentChronically wet drywall, attics, subfloor after prolonged moisture
Mildew & Surface MoldEarly-stage surface growth, easiest to address if caught fastBathroom tile, grout, shower surrounds, window sills

⚠️ Black mold (Stachybotrys) is the most toxigenic species — never disturb it. Our AMRT-certified crews remediate it under full containment with HEPA filtration and independent clearance verification.

Residential & Commercial Mold Remediation

Residential Mold Removal for Seattle Homes

Your home is where mold hits hardest — in attics, crawl spaces, basements, bathrooms, and behind walls. RapidDry protects Seattle families with certified inspection, safe removal, moisture-source correction, and clearance testing across single-family homes, condos, townhomes, and apartments — treating your home like our own with clean containment and clear communication.

Commercial Mold Remediation for Seattle Businesses

Mold in a commercial property is a liability, a health risk to occupants, and a threat to your operations. RapidDry handles large-loss commercial remediation for offices, retail spaces, restaurants, warehouses, multi-family buildings, and healthcare facilities — with containment that keeps you operating, flexible scheduling to minimize downtime, and full documentation for property managers, tenants, and insurers.

Our Proven 7-Step Mold Remediation Process

Every RapidDry project follows the same IICRC S520-compliant protocol — no skipped steps, no moisture left behind, and no job called done until an independent lab confirms it.

Step 1 — Emergency Contact & Inspection

A certified crew arrives in 30 minutes. We inspect visible and hidden mold using thermal imaging, moisture meters, and borescopes — checking wall cavities, attics, crawl spaces, and HVAC systems.

Step 2 — Mold Testing & Moisture Source Identification

Air and surface sampling map the contamination and confirm the species, while we identify the exact moisture source — roof leak, plumbing failure, condensation, ground moisture, or a vent fault. Fixing mold without correcting the source guarantees it returns.

Step 3 — Containment Setup (Barriers & Negative Air)

Poly-sheeting barriers and negative-air pressure isolate the work zone, preventing spores from migrating to clean areas of your property during removal.

Step 4 — HEPA Air Filtration & Scrubbing

Industrial HEPA air scrubbers run continuously, capturing airborne spores down to 0.3 microns throughout the containment zone.

Step 5 — Mold Removal & Antimicrobial Treatment

Contaminated porous materials that can't be decontaminated are removed and disposed of to EPA/IICRC standards. Salvageable surfaces are HEPA-vacuumed, damp-wiped, and treated with EPA-registered antimicrobial agents.

Step 6 — Structural Drying & Moisture Source Correction

Air movers and LGR dehumidifiers dry affected materials to acceptable moisture levels, and we correct the moisture fault — repairing the leak, redirecting the exhaust vent, or fixing the drainage — so mold can't return.

Step 7 — Independent Clearance Testing & Verification

A third-party lab tests air and surface samples to confirm spore levels have returned to normal background. Results go directly to you — not through us. If levels remain elevated, we re-remediate at no additional charge.

Which Materials Can Be Saved vs. Removed

Not everything mold touches has to be torn out. Before work begins, we assess your belongings and building materials — saving what we can and removing only what must go. That honest, contamination-scoped approach is what keeps costs down.

✅ Materials We Can Usually Restore❌ Materials That Must Be Removed
Metals and hard plasticsDamaged carpet and padding
Non-upholstered furnitureSoft toys and stuffed animals
Tile flooring and shower surroundsHeavily contaminated drywall
Sheetrock with light-to-moderate growthSaturated insulation
Framing, joists, and raftersBase trim with penetrating growth
Electronics and appliancesArea rugs and porous remnants
Photographs and documentsBooks and magazines with growth

We scope the job to the actual contamination — not the whole room — so you're never paying to gut a space that only needs targeted remediation.

Mold Inspection & Testing Services in Seattle

Before any remediation begins, accurate identification is non-negotiable — you can't fix what you haven't measured. RapidDry delivers certified mold inspection and testing tailored to Seattle homes.

Air Sampling — What You're Breathing

Spore-trap air sampling captures airborne particulates and measures spore concentration per cubic meter, comparing indoor levels against outdoor baselines to reveal hidden contamination.

Surface Sampling — Confirming the Species

Sterile swab and tape-lift sampling pinpoints specific infestation zones — drywall seams, attic joists, bathroom caulking — and confirms the exact mold species present.

Pre-Sale, Pre-Purchase & Post-Disaster Testing

Buying or selling a Seattle home? Mold testing delivers the transparency that shapes disclosures, negotiations, and closing timelines. After a flood or leak, our team tests affected zones fast — because spores thrive within 24–48 hours.

Independent Third-Party Clearance & Lab Reports

Our clearance testing goes through an independent third-party lab — the results come straight to you, not filtered through us. It's the difference between trusting a company's word and holding verified proof the mold is gone.

Advanced Mold Remediation Equipment & Technology

Professional-grade equipment is what separates true remediation from a wipe-down — detecting hidden mold, containing spores, and verifying the space is clean. Capabilities uncertified contractors simply can't offer.

🌀 HEPA Air Scrubbers & Negative Air Machines

Capture airborne spores down to 0.3 microns and hold the work zone under negative pressure so contamination can't migrate to clean rooms.

🚧 Containment Barriers & PPE

Poly-sheeting, zipper doors, and full personal protective equipment keep spores contained and crews safe during removal.

📡 Thermal Imaging & Moisture Meters

Infrared cameras and calibrated meters locate hidden moisture behind walls and under floors — the source feeding the mold.

🧫 Antimicrobial & Encapsulation Systems

EPA-registered antimicrobial agents, HEPA vacuums, and encapsulant coatings eliminate residual mold and lock down treated surfaces against regrowth.

Combined with our IICRC AMRT certification, this equipment lets us find mold others miss, contain it properly, and verify removal with independent testing.

Preventing Mold Before It Starts in Seattle

The best remediation is the one you never need. Once we've solved your mold problem, these habits keep it from coming back in Seattle's damp climate.

Moisture & Humidity Control Solutions

Keep indoor humidity below 60% — a dehumidifier helps in basements and crawl spaces

Run bathroom, kitchen, and laundry exhaust fans every time (and make sure they vent outside, not into the attic)

Dry any spill, leak, or flooding completely within 24–48 hours

Ventilation, Drainage & Waterproofing Tips

Keep gutters and downspouts clear so water drains away from the foundation

Watch for winter condensation around windows and cold surfaces

Keep large furniture a few inches off exterior walls so air can circulate

Address plumbing leaks and crawl space vapor barriers before they feed mold

Mold Remediation Cost Guide — Seattle, WA

Mold remediation cost depends on the size of the affected area, the mold type, how far it's spread, and whether structural repairs or moisture correction are needed. Every RapidDry estimate is written, line-item, and property-specific — the price we quote is the price you pay.

What Factors Affect Mold Remediation Cost?

Cost FactorWhy It Affects Price
Size of affected areaLarger contamination requires more containment, labor, and disposal
LocationAttics and crawl spaces are harder to access than open rooms
Mold typeToxic black mold demands extra safety measures and PPE
Moisture source repairFixing the leak, vent, or drainage adds to scope
Materials affectedPorous materials often need removal and replacement

Average Cost by Scope

ScopeEstimated Cost
Minor (small area, surface mold)$500 – $1,500
Moderate (single room, contained)$1,500 – $4,000
Severe (multi-area, structural, black mold)$4,000 – $8,000+

Does Insurance Cover Mold Remediation in Washington State?

Coverage varies — many policies cover mold when it results from a sudden, covered event (like a burst pipe), but exclude mold from long-term neglect. We document everything and coordinate directly with your insurer to support your claim.

Why Choose RapidDry for Mold Remediation in Seattle

Anyone can claim to remove mold. Here's why Seattle trusts RapidDry to remediate it right — and prove it.

Trust FactorThe RapidDry Standard
Response TimeGuaranteed 30-minute arrival — fastest in Seattle
CertificationsIICRC Certified Firm #684920 — AMRT-trained technicians
VerificationIndependent third-party clearance testing — results direct to you
Root CauseWe fix the moisture source, not just the mold
CrewsIn-house, fully vetted — never unscreened subcontractors
LicensingWA License #EMERACR821L9 · Bonded & Insured to $2M
Insurance100% direct billing — we document and advocate for you
Reputation4.9⭐ (184+ reviews) · BBB A+ · Google Guaranteed · EPA Lead-Safe · RIA

We don't mark our own homework. Independent clearance testing means you get verified proof the mold is gone — and if levels stay elevated, we re-remediate at no charge.

The Certified Seattle Team Behind RapidDry

Real, certified remediation experts — accountable, local, and on every job.

Mark Sterling

Founder & Master Restoration Architect

IICRC Master Water Restorer (#182049). Mark founded RapidDry in 2012 on one principle: solve the problem at the source, and prove it's solved.

Sarah Jenkins

Director of Operations & Insurance Liaison

Xactimate Level 3 Estimator. Sarah coordinates directly with your adjuster — documenting every remediation to support your claim and keep out-of-pocket costs down.

David Vance

Lead Structural Drying Superintendent

IICRC AMRT & EPA Lead-Safe certified. David leads our mold remediation and microbial crews, ensuring every job meets IICRC S520 standards and passes independent clearance.

OUR IMMEDIATE CAPABILITIES

Emergency Restoration Services We Handle Every Day

From clean-water leaks to Category 3 sewage floods and fire-and-water combined losses — one Seattle crew, every phase of recovery.

💧 Professional water removal and extraction service in Seattle WA — truck-mounted equipment

Water Removal & Extraction

High-capacity truck-mounted and portable extraction units clear standing water fast from flooded basements, crawl spaces, and commercial floors.

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🛡️ Water mitigation and moisture control specialists in Seattle WA — structural drying equipment

Water Mitigation & Moisture Control

Immediate structural stabilization, containment barriers, and rapid dehumidification to stop water migration and cut total restoration cost.

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🌊 Flood damage cleanup and recovery service in Seattle WA — emergency restoration crew

Flood Damage Cleanup

Full recovery from storm surges, groundwater intrusion, and atmospheric river flooding with deep sanitization.

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🦠 Sewage backup cleanup and biohazard removal in Seattle WA — certified technicians

Sewage Backup Cleanup

Safe Category 3 black-water removal, biohazard containment, and hospital-grade disinfection to strict EPA standards.

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🔬 Professional mold removal and remediation in Seattle WA — IICRC certified specialists

Mold Removal & Remediation

Comprehensive mold inspection, negative-air containment chambers, HEPA filtration, safe removal, and clearance verification.

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⚠️ Black mold removal specialists in Seattle WA — containment and HEPA filtration

Black Mold Removal

Safe elimination of toxic black mold using strict negative-pressure containment and hospital-grade antimicrobial agents.

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🏚️ Basement mold removal service in Seattle WA — crawl space and subfloor remediation

Basement Mold Removal

Targeted remediation for Seattle's damp, moisture-prone basements, subfloors, and crawl space foundations.

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🔥 Fire damage restoration and repair in Seattle WA — emergency board-up and reconstruction

Fire Damage Restoration

Emergency board-up, structural stabilization, firefighting water extraction, soot cleanup, and complete reconstruction.

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💨 Smoke and soot damage cleanup in Seattle WA — thermal fogging and odor neutralization

Smoke & Soot Damage Cleanup

Deep soot removal, ultrasonic content cleaning, and thermal fogging / hydroxyl generator molecular odor neutralization.

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Water spreads fast — mold starts in 24 hours.

Get a certified crew on-site in 30 minutes.

📞 Call (206) 555-0199

Mold Remediation Near You — Serving All of Seattle

RapidDry crews respond in 30 minutes across the entire metro. Find your neighborhood below.

Ballard

Certified mold remediation for Ballard homes & businesses

Capitol Hill

Mold removal & testing across Capitol Hill

Queen Anne

30-minute mold response in Queen Anne

West Seattle

Attic & crawl space mold in West Seattle

Fremont

Certified mold remediation for Fremont

Green Lake

Mold removal & inspection in Green Lake

Downtown Seattle

Commercial mold remediation downtown

South Lake Union

Mold remediation in SLU

Beacon Hill

Attic mold specialists in Beacon Hill

Columbia City

Mold removal across Columbia City

Rainier Valley

Certified mold crews in Rainier Valley

Georgetown

Crawl space mold in Georgetown

Leschi

30-minute mold response in Leschi

Magnolia

Mold remediation for Magnolia homes

University District

Mold removal in the U-District

Wallingford

Certified mold remediation in Wallingford

Don't see your neighborhood? Call (206) 555-0199 — if it's in Seattle, we're on our way.

Water Damage Restoration Seattle, WA

Frequently Asked Questions — Mold Remediation Seattle

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Credentials and Certifications

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WA License #EMERACR821L9

Washington contractor licence as stated on current site pages.

IICRC Firm #684920

IICRC-certified firm as stated on current site pages.

IICRC-Certified Crews

Certified restoration crews as stated on current site pages.

Before and After: Water Damage Restoration

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Capitol Hill, Seattle

After water damage restoration, fully restored Capitol Hill Seattle WA home
Before water damage restoration, burst pipe flooding in a Capitol Hill Seattle WA home
BeforeAfter

Ballard, Seattle

Before water damage repair, Category 2 water damage in a Ballard craftsman home in Seattle WAAfter water damage repair, restored Ballard craftsman home in Seattle WA

Get Your Free Mold Inspection in Seattle Today

Mold only spreads — and gets more expensive — the longer it's ignored. Our AMRT-certified crews are standing by 24/7 with a 30-minute response, free inspection, air and surface testing, and independent third-party clearance so you get verified proof the mold is gone.

📞 Call (206) 555-0199 — 30-Minute Mold Response 🛡️ Request Your Free Mold Inspection Independent clearance testing · Direct insurance billing · Available 24/7/365 across Seattle