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

Exterior Mold & Mildew Removal in Kent, WA

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

When we handle exterior mold & mildew removal in Kent, WA, it comes down to three things: protecting your plants and property, cleaning with the right method, and walking the job with you at the end.

The right method for the job

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

Our process for exterior mold & mildew removal

  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.

Typical exterior mold & mildew removal prices

$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.

Local exterior mold & mildew removal for Kent, 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 Kent (ZIP codes 98030, 98031, 98032, 98035, 98042 and more), plus East Hill-Meridian (3.5 mi), Lakeland North (3.8 mi), Des Moines (4.4 mi) and Lea Hill (4.5 mi). Call (555) 010-0000 for a free quote in Kent.

Exterior Mold & Mildew Removal: frequently asked questions

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

Driveway Cleaning for Asphalt

Low-to-moderate pressure wash. Asphalt is softer than concrete and is held together by its binder, so it is washed at lower pressure.

Typical $150-$400

Fence Cleaning for Pressure-Treated Wood

Low-pressure wash. Pressure-treated pine is the most common deck and fence wood.

Typical $200-$600

Exterior Window Cleaning

Exterior window cleaning, often done with a house wash, including frames, sills and screens.

Typical $150-$400

HOA & Apartment Pressure Washing

Building washing, sidewalks, breezeways, pools and amenity areas for HOAs, apartments and condos.

Typical $800-$5,000

Roof Cleaning for Tile Roofs

Soft wash. Clay and concrete tile roofs grow algae, moss and lichen, especially in shade.

Typical $400-$1,000

Driveway Cleaning for Exposed Aggregate

Moderate-pressure wash. Exposed aggregate concrete has stones showing at the surface.

Typical $150-$400

Soft 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 $300-$800

Paver Cleaning & Sealing

Paver cleaning, re-sanding with polymeric sand and sealing to lock joints, deter weeds and bring back color.

Typical $600-$1,800

Pre-Paint Washing for Brick

Low-pressure wash. Brick is tough, but the mortar joints are softer than the brick itself, and older soft-fired brick can pit.

Typical $250-$600

Soft Washing for Fiber Cement Siding

Soft wash. Fiber cement siding is durable and holds paint well, but its factory finish can be marked by high pressure, and manufacturers' care guides generally recommend low-pressure cleaning.

Typical $300-$800

Restaurant & Drive-Thru Cleaning

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

Typical $200-$800

Oil Stain Removal for Pavers

Pressure wash with a surface cleaner. Cleaning concrete and brick pavers removes weeds, moss and stains, but some joint sand washes out with them.

Typical $100-$300

Ready for a cleaner home or business?

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

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