PNW Soft Wash & Lighting

Serving Kent, WA

Kent's Exterior Cleaning& Lighting Specialists

From the trails of Clark Lake to the neighborhoods of East Hill, from West Hill to the Meridian corridor — we keep Kent homes protected from the Green River Valley moisture cycle year-round.

Insured & Bonded in Washington StateSatisfaction Guaranteed — We Make It RightSame-Week Scheduling AvailableBiodegradable Solutions — Safe for Kids & Pets

Proudly serving East Hill, West Hill, Downtown Kent, Meridian, and every neighborhood throughout Kent and the surrounding area.

What the Kent Green River Valley Climate Does to Your Home

Kent spans one of the most geographically diverse settings in King County — the Green River Valley floor, the East Hill plateau rising toward the Covington boundary, and the West Hill ridgeline overlooking Puget Sound. Washington State's "Lettuce Capital" has reinvented itself as a major logistics and residential hub, but the Green River Valley's moisture patterns remain constant: consistent rainfall, valley fog, and biological growth conditions that affect homes across all three elevations.

East Hill is the most rapidly growing residential area in Kent — a plateau of newer construction, established neighborhoods, and the kind of tree-lined streets that accumulate moss and algae quickly. Clark Lake Park anchors the community and the surrounding streets see significant biological growth on roofs and siding due to the mature canopy and prevailing northwest exposure.

West Hill properties face a different challenge: ocean influence from the Puget Sound side creates wetter, windier conditions that drive moisture into siding joints and accelerate surface biological growth. Homes along the ridge — with their dramatic Sound and mountain views — are among the most valuable in Kent and benefit most from consistent exterior maintenance.

Downtown Kent and the Meridian corridor represent a mix of older homes and newer infill, each with its own maintenance cycle. Regardless of neighborhood, Kent homeowners share a consistent challenge: the Green River Valley moisture environment demands professional exterior cleaning more than the regional average.

Kent home — coming soon

The Difference Is Visible

Real results from Kent and surrounding homes.

Before — Moss & Streaking
After — Clean Shingles
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Roof Wash — East Hill

Before — Biofilm on Siding
After — Fresh Exterior
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House Wash — West Hill

Before — Algae & Moss
After — Restored Concrete
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Driveway — Meridian

Drag the handle to reveal the transformation. Real homes, real results, right here in Kent.

What Kent Homeowners Say

5.0★★★★★Based on our Google reviews
★★★★★

We are on East Hill and our north-facing roof was covered in black streaking. PNW Softwash gave us a fast quote, explained the process clearly, and the results were exactly what they promised. Clean roof, no damage, professional crew. Already scheduled for next year.

Michael C., East Hill

★★★★★

West Hill home with a view — and unfortunately a roof that catches everything the weather throws at it. These guys know what they are doing. Soft wash removed years of growth and the house looks great. Fair price for good work.

Donna K., West Hill

★★★★★

Quick response, competitive quote, and quality work. My driveway near Meridian had serious moss growth and it cleaned up perfectly. The crew was professional and careful. Will use them again without question.

Tom R., Meridian

See Us Work in Kent

Real footage from Kent jobs — coming soon.

Video coming soon

Professional exterior cleaning on Kent WA homes including East Hill, West Hill, and Meridian neighborhoods in the Green River Valley.

Ready to Book in Kent?

Join Kent homeowners — from East Hill to West Hill to the Green River Valley — who trust us with their most important investment every year.

Free estimates. Same-week scheduling. A crew that treats your home the way we would want ours treated.

Kent Homeowner FAQ

Questions We Hear Most in Kent

Honest answers from a crew that works in your neighborhood every week.

How does Kent's position in the Green River Valley affect biological growth on my roof and siding?
The Green River Valley acts as a moisture channel, drawing Pacific air inland and creating consistent humidity conditions at all elevations in Kent. East Hill properties under tree canopy accumulate Gloeocapsa magma and moss quickly. West Hill homes face Puget Sound moisture exposure on the windward side. Valley floor properties near the river experience persistent ground-level humidity. Most Kent homes benefit from annual exterior cleaning, with shaded lots requiring attention every 12 months without exception.
Do you serve all of Kent including East Hill, West Hill, and the areas near the Auburn border?
We serve all of Kent — East Hill, West Hill, Downtown Kent, Meridian, and properties near the Auburn, Covington, and Renton boundaries. If you are within Kent city limits or the immediately adjacent unincorporated area, you are in our service area. Call or text and we will confirm your address on the spot.
Can you clean the moss and algae off my Kent roof without voiding my shingle warranty?
Yes — soft washing is the manufacturer-recommended cleaning method for asphalt shingles. High-pressure washing voids most roofing warranties because it damages the granule surface and forces water under flashing. Our low-pressure chemical process removes biological growth at the root without mechanical abrasion. We are happy to provide documentation of our soft wash process if your warranty or HOA requires it.
What is the best time of year to schedule exterior cleaning for my Kent home?
Spring and early fall are the most popular scheduling windows in Kent. Spring cleaning removes the biological growth that established itself over the wet winter months and sets your home up for summer. Fall cleaning before the heavy rainfall season removes accumulated summer dust and prepares surfaces before moss and algae growth accelerates in the wet months. We offer same-week scheduling year-round — the Pacific Northwest climate means there is no bad time to clean your exterior, just better and best.
What is the difference between soft washing and pressure washing, and which does my Kent home need?
Soft washing uses low pressure — similar to a garden hose — combined with biodegradable cleaning solutions that kill biological growth at the root. Pressure washing uses high-pressure water to blast surface debris. For roofs, siding, and painted wood surfaces on Kent homes, soft washing is almost always the right choice because it cleans without risking damage to materials. Pressure washing is appropriate for hard surfaces like driveways, concrete walkways, and some masonry. On most homes we use a combination: soft wash for the roof and siding, targeted pressure washing for the driveway and concrete. We will recommend the right method for each surface on your specific home.