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Kenmore Stone Patio Cleaning

Clean natural stone patios with surface-safe chemistry that removes algae without harming the stone.

Kenmore Stone Patio Cleaning

Natural stone patios add character to Washington yards but hold onto the black algae film our shaded, wet climate produces. We identify the stone and use a gentle, dwell-led wash that clears the growth without pitting or dulling the surface. High pressure can flake softer sedimentary stone, so we rely on chemistry and careful rinsing instead. The patio returns to its true, varied stone color with safe footing restored.

Local Service Information

Kenmore

A city at the north end of Lake Washington where the Sammamish River enters the lake.

County: King County
ZIP Codes Served: 98028
Neighborhoods: Downtown Kenmore, Inglewood, Uplake, Moorlands
Nearby Communities: Bothell, Lake Forest Park, Kirkland, Woodinville
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.

Kenmore sits at the north end of Lake Washington in King County, from Downtown Kenmore and Uplake to the Inglewood and Moorlands neighborhoods near Log Boom Park. Lakeside humidity and abundant tree cover keep siding, roofs, and patios damp and prone to moss, algae, and mildew, the buildup our exterior-cleaning crews are brought in to wash off and keep in check.

Owners here often combine house washing, gutter clearing, and patio cleaning ahead of the wet season, and with Bothell, Lake Forest Park, Kirkland, and Woodinville nearby, we cover exterior cleaning throughout the north-lake communities.

Site Conditions: In this lakeside lowland, damp shaded air keeps green algae on siding, moss on north roof slopes, and slick film in the joints of paver patios and walkways. Leaf litter, pollen, and lake humidity settle into gutters and textured concrete, feeding the growth a soft wash addresses.
Seasonal Considerations: Summer’s drier stretch is ideal for house washing, patio cleaning, and roof treatment, while the long wet season deepens moss and algae on roofs and shaded hardscapes. We time gutter clearing before autumn leaf fall and keep soft-wash appointments to dry, settled days.
Common Project Types: Common jobs include house soft washing, driveway and patio pressure cleaning, deck and fence brightening, and roof and gutter clearing, with moss and algae removal frequent on the shaded lots near Log Boom Park and the lake.
Property Styles: Properties range from single-family homes to townhomes and condos, with vinyl and painted siding, composition roofs, and concrete or paver drives and patios that each call for a gentler, surface-specific cleaning approach.
Local Materials & Plants: Crews clean vinyl and painted siding, composition roofing, concrete flatwork, and paver patios, all prone to green algae, roof streaking, moss, lichen, mildew, and the pollen film that coats these shaded lakeside lots each spring.
Planning Your Project: Planning follows dry-weather windows, protects landscaping with pre-wetting and covers, and keeps runoff away from the Lake Washington shoreline. General permit and notice requirements are confirmed before cleaning starts.

If lakeside shade and humidity leave your Kenmore home mossy and streaked, reach out to design a house wash and patio-cleaning plan for your property.

Benefits

Lifts black algae without etching the stone; Preserves the stone’s natural color and texture; Keeps footing safe on a shaded patio; Protects softer stone from pressure damage

Process

1) Identify the stone and test an inconspicuous area; 2) Apply a stone-safe cleaner and monitor dwell time; 3) Rinse gently along the stone grain; 4) Spot-treat any lingering shaded staining

Ready to get started?

Request stone patio cleaning to bring back safe, naturally beautiful stone.
Call: 425-390-8500