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SeaTac House Algae Removal

House algae removal strips the green film that coats siding on the shaded, rain-fed walls so common across the Northwest.

SeaTac House Algae Removal

That greenish sheen on your walls is algae feeding on the constant moisture and shade our region provides. We soft wash the affected siding with a solution that dissolves the algae and its foothold rather than smearing it around. Killing the growth at the root means the green does not simply bloom back after the next rain. Your siding returns to its true color, and the treated surface holds off regrowth much longer.

Local Service Information

SeaTac

A city surrounding Seattle-Tacoma International Airport in south King County.

County: King County
ZIP Codes Served: 98148, 98158, 98168, 98188
Neighborhoods: Angle Lake, McMicken Heights, Bow Lake
Nearby Communities: Burien, Tukwila, Des Moines, Kent
Common Property Types: Predominantly single-family homes with townhomes and some condominiums and multifamily housing; commercial property includes retail, office, and small mixed-use buildings.
Local Tree & Landscape Notes: Common regional trees include Douglas fir, western red cedar, western hemlock, bigleaf maple, and red alder, alongside many ornamental species. Wet soils and dense canopy are common considerations for access and scheduling.
Permit Considerations: Permit requirements vary depending on tree size, species, protected areas, shoreline regulations, critical areas, and local municipal code. Always verify current requirements with the local jurisdiction before beginning work.
Climate: Marine west coast climate typical of the Puget Sound region: mild, wet winters and warm, relatively dry summers, with most rainfall from fall through spring. Occasional wind, snow, and ice events and seasonal soil saturation influence tree health and the timing of tree work.

Exterior cleaning in SeaTac keeps homes and small commercial buildings looking sharp across neighborhoods like Angle Lake, McMicken Heights, and Bow Lake, where properties sit under the flight paths of Seattle-Tacoma International Airport. Our pressure washing, soft washing, and house washing services help owners near Angle Lake Park counter the grime, road film, and organic growth that steadily accumulate on siding, walkways, and driveways in this busy Puget Sound corridor.

Because SeaTac blends single-family homes with townhomes, condominiums, and small mixed-use retail near the airport, we tailor each visit to the surface at hand, from vinyl and fiber-cement siding on residential streets to concrete entries and parking aprons on commercial lots around McMicken Heights.

Site Conditions: The damp Puget Sound lowland climate leaves a steady film of green algae and black mildew on north-facing siding, while moss creeps across shaded roofs and shingles. Concrete driveways and walkways near Angle Lake collect pollen, tree debris, and slick organic buildup that make surfaces both dingy and unsafe.
Seasonal Considerations: Wet fall and winter months accelerate moss and algae growth, so we schedule roof and gutter cleaning before the heaviest rains arrive and again once needles and leaves have dropped. Late spring brings a thick coat of pollen and cottonwood fluff, making that the ideal window for house washing and driveway cleaning before summer gatherings.
Common Project Types: Common requests in SeaTac include full house washing on siding, driveway and sidewalk pressure washing, roof soft washing to lift moss, gutter clearing, and patio or deck brightening for homes near Angle Lake Park and the surrounding townhome communities.
Property Styles: Mid-century single-family homes sit alongside newer townhomes and condominium blocks here, so we adjust pressure and cleaning solution for everything from painted wood trim to composite siding and stamped-concrete entries.
Local Materials & Plants: Typical SeaTac surfaces include vinyl and fiber-cement siding, asphalt-shingle and composite roofing, concrete driveways, and paver walkways, all prone to green algae, black mildew, lichen spotting, and heavy moss in shaded, tree-lined yards near Angle Lake.
Planning Your Project: We plan SeaTac projects around airport-adjacent traffic and tight townhome lots, protecting landscaping and staging equipment where access allows. Grouping neighboring homes in Bow Lake or McMicken Heights lets us keep visits efficient while matching each surface to the right low-pressure or soft-wash method.

Ready to brighten your SeaTac siding, roof, or driveway? Tell us about the surfaces you want restored near Angle Lake, and we will map out an exterior-cleaning plan built around your property.

Benefits

Dissolves the green algae film completely; Kills the growth at its root; Slows the return of the green sheen; Restores siding to its true color

Process

1) Identify the walls with the heaviest green coating; 2) Apply an algae-killing solution at gentle pressure; 3) Let it dwell to break down the growth fully; 4) Rinse evenly and verify the green is cleared

Ready to get started?

Schedule house algae removal and clear the green film so your true siding color shows again.
Call: 425-390-8500