Mon-Fri: 7AM-7PM, Sat: 8AM-5PM Licensed & Insured [email protected] Serving Kingston, WA

Exterior Mold & Mildew Removal in Kingston, WA

Killing and removing mold, mildew and algae from siding, decks, walkways and fences, with treatment that slows regrowth. Typical cost $250-$700.

Grime, mildew and stains build up a little at a time until one day the outside of your property looks years older. Exterior Mold & Mildew Removal in Kingston, WA brings it back, usually in a single visit.

Method and pressure

Soft washCleaning method

Signs you need exterior mold & mildew removal

  • Black, green or gray spots and film
  • Slippery walkways and decks
  • Musty smell near shaded walls
  • Growth that returns soon after rinsing

What causes the dirt and stains

  • Shade, humidity and poor air flow
  • Organic debris and pollen
  • Surfaces that stay damp after rain or sprinklers

Easy upkeep between cleanings

  • Improve sun and air flow by trimming plants
  • Keep gutters and sprinklers from soaking walls
  • Clean small areas with an outdoor mildew cleaner, following the label

Not sure what you're looking at? The free stain identifier and safe pressure guide explain each stain and surface.

Why more pressure isn’t better

  • Blasting growth off without killing it, so it grows back fast
  • Mixing cleaning chemicals, which can release toxic gas
  • Damaging plants with runoff

What happens on the day

  1. Identify surfaces and growth
  2. Protect plants and fixtures
  3. Apply a solution that kills the growth
  4. Rinse at low pressure
  5. Post-treat where helpful to slow regrowth

This service is for outdoor surfaces. Mold inside the home, in attics or in wall cavities needs a mold remediation specialist, not a pressure washing company.

How much does exterior mold & mildew removal cost?

$250-$700Typical range for typical exterior growth on a home
2-4 hoursTypical time on site
Every 1-2 years in humid or shaded areasRecommended frequency

What moves the price:

  • Size: square footage of siding, roof or flatwork
  • Condition: heavy growth, old stains and peeling finishes take longer
  • Access: number of stories, roof pitch, slopes and how close we can park
  • Add-ons: sealing, gutter brightening and other services done in the same trip

These are typical U.S. ranges, not a quote. You get an exact price before any work starts. For a quick estimate, try the pressure washing cost calculator.

Exterior Mold & Mildew Removal in Kingston, WA

Green algae on siding is very common in Washington, especially on north walls and under trees. A soft wash kills it, and keeping plants trimmed back helps the walls dry between rains.

Near the coast, salt air leaves a film on siding, windows, screens and railings that dulls finishes and speeds up corrosion on metal. Regular rinsing and washing help protect them.

Crews serve all of Kingston (ZIP code 98346), plus Indianola (3.8 mi), Suquamish (5.3 mi), Edmonds (5.7 mi) and Esperance (6.7 mi). Call (555) 010-0000 for a free quote in Kingston.

Exterior Mold & Mildew Removal: frequently asked questions

How much does exterior mold & mildew removal cost in Kingston, WA?

Exterior Mold & Mildew Removal typically costs $250-$700 for typical exterior growth on a home, and usually takes 2-4 hours. The exact price depends on the size and condition, and you get it before any work starts. Call (555) 010-0000 for a free quote.

Do you use high pressure for exterior mold & mildew removal?

Exterior Mold & Mildew Removal is done with soft wash. Low pressure and the right solution remove growth and dirt without damaging the surface, and the growth takes longer to come back.

Is exterior mold & mildew removal safe for my plants and pets?

We pre-wet plants and lawns, keep cleaning solutions diluted to what the surface needs, and rinse landscaping again when we finish. Keep pets and children inside until surfaces are rinsed and dry.

How often should I schedule exterior mold & mildew removal?

Every 1-2 years in humid or shaded areas. Shade, nearby trees, humidity and heavy traffic mean more frequent cleaning; sunny, dry spots can go longer. Our free cleaning frequency tool gives a recommendation for your climate.

What if it rains on the day?

Light rain doesn't stop most washing, but heavy rain, high wind, lightning and freezing temperatures do. If the weather isn't right, we reschedule at no charge. Our work is backed by a satisfaction guarantee.

More services

Popular Exterior Cleaning Services in Kingston, WA

Concrete Sealing

Concrete cleaning and sealing that helps resist stains, water and freeze-thaw damage on driveways, patios and stamped concrete.

Typical $400-$1,200

HOA & Apartment Pressure Washing for Vinyl Siding

Soft wash. Vinyl is the most common siding in the U.S.

Typical $800-$5,000

House Washing for Stone & Stone Veneer

Low-pressure wash. Natural stone and manufactured stone veneer vary a lot.

Typical $300-$700

Pool Deck Cleaning for Flagstone

Low-to-moderate pressure wash. Flagstone covers several stones, including sandstone, slate, bluestone and limestone, and they react differently to pressure and chemicals.

Typical $200-$500

Commercial Pressure Washing for Stone & Stone Veneer

Low-pressure wash. Natural stone and manufactured stone veneer vary a lot.

Typical $400-$2,000

Commercial Pressure Washing for Stucco

Soft wash. Traditional stucco is porous and holds moisture, which is why it streaks green and black in humid and shaded spots.

Typical $400-$2,000

House Washing for Log Homes

Low-pressure wash. Log homes need regular cleaning to keep mildew and insects from settling into checks and cracks, and the logs must be clean and dry before a new stain goes on.

Typical $300-$700

Driveway Cleaning

Driveway pressure washing that removes dirt, mildew, tire marks and many oil and rust stains for an even, clean finish.

Typical $150-$400

Restaurant & Drive-Thru Cleaning

Cleaning drive-thru lanes, restaurant entrances, patios and grease areas, usually overnight.

Typical $200-$800

Pressure Washing for Stamped Concrete

Moderate-pressure wash. Stamped and colored concrete is usually protected by a sealer.

Typical $150-$600

Patio Cleaning for Concrete

Pressure wash with a surface cleaner. Plain broom-finish concrete is the surface pressure washing is made for.

Typical $150-$400

Deck Cleaning

Deck washing that removes gray weathering, mildew and slippery growth from wood and composite decks without furring the boards.

Typical $250-$600

Ready for a cleaner home or business?

Get a free pressure washing quote in Kingston, WA. Tell us what needs cleaning and we'll give you a price and the next available date.

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