House Washing Oregon | Soft Wash Siding Cleaning | GreenTree Services
⭐ 5.0★ Google Rated · Oregon’s Trusted Exterior Cleaning Company

House Washing Services Across Oregon — Safe Soft Wash Specialists

Licensed (CCB #225489) · $2M Insured · Eco-Friendly · 28+ Cities Served

🛡 $2M Insured
CCB #225489 🏆 Since 2022
500+ Properties 🌿 Eco-Friendly
EPA Approved ⚡ Same-Day
28+ Cities

House washing uses low-pressure soft washing (under 500 PSI) with EPA SaferChoice approved biodegradable surfactants to safely clean all siding types without damage. Unlike high-pressure methods that crack vinyl and splinter wood, our soft wash technique kills algae, mold, and mildew at the cellular level for results that last 12 to 18 months.

Oregon homes accumulate biological growth faster than anywhere in the country. The Willamette Valley’s 43+ inches of annual rainfall combined with heavy shade from Douglas fir canopies creates ideal conditions for the green algae, black mold, and white mildew that cover siding throughout the year. Professional house washing removes this growth safely while protecting your siding manufacturer’s warranty.

We clean all siding types: vinyl, fiber cement (HardiePlank), wood, cedar, stucco, EIFS, brick, stone, and painted surfaces. Select your city below for local service details.

Siding Types We Clean

Vinyl & Fiber Cement

Oregon’s most common siding materials. Our soft wash method removes algae and mildew without cracking, warping, or forcing water behind panels.

Wood & Cedar

Gentle cleaning preserves natural wood character while removing moss, mold, and weathering. pH-neutral solutions protect wood fibers.

Stucco, EIFS & Brick

Specialized techniques for textured and masonry surfaces. We clean without damaging mortar joints, painted finishes, or synthetic stucco systems.

Select Your City

Click your city for local pricing, service details, and neighborhood information.

Portland
Population 650,000+ · Full service Beaverton
Population 100,000+ · Full service Hillsboro
Population 110,000+ · Full service Tigard
Population 55,000+ · Full service Lake Oswego
Population 40,000+ · Full service Tualatin
Population 28,000+ · Full service West Linn
Population 27,000+ · Full service Oregon City
Population 37,000+ · Full service Gresham
Population 115,000+ · Full service Milwaukie
Population 21,000+ · Full service Sherwood
Population 20,000+ · Full service Wilsonville
Population 25,000+ · Full service Happy Valley
Population 23,000+ · Full service Clackamas
Population 50,000+ · Full service Corvallis
Population 60,000+ · Full service Albany
Population 56,000+ · Full service Eugene
Population 176,000+ · Full service Philomath
Population 5,000+ · Full service Springfield
Full service area

Frequently Asked Questions

Yes. Soft washing uses under 500 PSI — far below the threshold that damages any siding type. The biodegradable cleaning solution does the work, not pressure. This method is approved by all major siding manufacturers.
Soft washing kills biological growth at the root, so results typically last 12 to 18 months in Oregon’s climate. North-facing walls and heavily shaded areas may need attention sooner.
No. We use EPA SaferChoice approved biodegradable solutions that are safe for all plants, pets, and children once dry. We also pre-rinse and protect landscaping around your home before beginning work.

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