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The 10 Best Pressure Washing Services in Portland (2026)
Portland’s rainy climate means roofs, decks and siding can collect moss, algae and grime more quickly than in drier cities, so choosing the right exterior cleaner matters. This list is built from Google review data and was updated for 2026 using a Bayesian-style score that weights average rating by review volume to favor consistently highly reviewed businesses. We focused on local listings categorized as pressure washing services and prioritized transparency of rating and review count. Read on for options across Portland and nearby neighborhoods, along with quick notes to help you decide which crew suits your property.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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Wilderland Roof & Window Cleaning
Wilderland Roof & Window Cleaning comes out on top because it combines a perfect 5.0 Google rating with the largest review total on the list — 946 reviews — giving it strong weight under our rating method. The company’s name and Google category indicate a focus on roof and window cleaning within the pressure-washing space, which aligns with common Portland exterior needs. That combination of high score and substantial review volume is why it leads this ranking.
The full ranking
Moss Busters
Moss Busters is rated 5.0 on Google with 908 reviews as a Pressure washing service and is listed on SE Helena Street in Portland.
908 reviews
PDX Roof Cleaning & Pressure Washing
PDX Roof Cleaning & Pressure Washing carries a 5.0 Google rating based on 763 reviews and is shown at an NE Holladay Street address in Portland.
763 reviews
Expert Power Wash
Expert Power Wash has a 5.0 rating from 534 reviews and appears as a Pressure washing service with an address in Oregon City.
534 reviews
PDX Clean King LLC Moss Removal and Gutter Cleaning
PDX Clean King LLC Moss Removal and Gutter Cleaning posts a 5.0 Google rating with 485 reviews and is listed on NE Sandy Boulevard in Portland.
485 reviews
ProShine SoftWash
ProShine SoftWash is listed as a Pressure washing service with a 5.0 rating from 310 reviews and a Troutdale address in the listing.
310 reviews
EcoWash Window, Gutter and Roof
EcoWash Window, Gutter and Roof shows a 5.0 Google rating supported by 307 reviews and is listed in Milwaukie under the Pressure washing service category.
307 reviews
Peak Pressure Washing
Peak Pressure Washing holds a 5.0 Google rating based on 216 reviews and is categorized as a Pressure washing service; no street address is provided in the public listing.
216 reviews
NW Surface Cleaner
NW Surface Cleaner has a 5.0 Google rating from 203 reviews and is listed as a Pressure washing service on SW Durham Road in Portland.
203 reviews
All Exterior Services & Gutter Cleaning
All Exterior Services & Gutter Cleaning carries a 5.0 Google rating with 171 reviews and is shown as a Pressure washing service, though the listing does not include a specific street address.
171 reviews
Frequently asked questions
How should I choose a pressure washing company in Portland?
Look at recent Google ratings and the number of reviews to gauge consistent performance, and confirm the company’s experience with the specific surface you need cleaned. Also ask about methods (soft wash versus high-pressure), insurance coverage, and whether they provide a written estimate and references.
What should I check before hiring a pressure washer?
Verify the business carries liability insurance and, if applicable, workers’ compensation insurance, and request a written estimate that lists the scope of work and any guarantees. You should also confirm the cleaning method they plan to use and ask for before-and-after photos or local references.
How much does pressure washing typically cost?
Costs vary by property size, surface type, level of buildup, access difficulty and whether softwashing or high-pressure washing is needed. Get multiple written estimates that break down labor, materials and any surface protection so you can compare apples to apples.
How is this ‘Best in Portland’ ranking built?
This ranking is based on Google review data and uses a Bayesian-style approach that weights average star rating by the number of reviews, so businesses with both high ratings and substantial review volume rank higher. The list was updated in 2026 and reflects the Google categories and review counts available at that time.