Hard surfaces restored
Pressure Washing
High-pressure cleaning for concrete, pavers, walkways and other durable exterior surfaces where dirt has built up over the seasons.
Get a QuoteKent · Covington · Maple Valley, WA
Professional Exterior Cleaning Serving Kent, Covington, Maple Valley and surrounding areas
Pressure washing, soft washing, roof cleaning and exterior cleaning for homeowners and businesses throughout Kent, Covington, Maple Valley and surrounding communities.
Free estimates · Locally operated · Call or text (253) 227-0115
Licensed
Insured
Local & Reliable
Free Estimates
Our Services
Exterior Cleaning Services
Every job is quoted for your property and cleaned with the method that surface actually needs.
Low pressure, deep clean
Soft Washing
A low-pressure method with cleaning solutions that removes algae and organic growth without stressing siding, paint or shingles.
Get a QuoteWhole-exterior refresh
House Washing
Siding, trim, soffits and eaves cleaned from the ground up so the whole house looks cared for from the curb.
Get a QuoteMoss and algae removal
Roof Cleaning
Gentle roof cleaning that lifts the dark streaking and moss common in Western Washington while protecting your shingles.
Get a QuoteFlowing again
Gutter Cleaning
Debris cleared from gutters and downspouts so rainwater drains away from your roofline, siding and foundation.
Get a QuoteBefore & After
Real results on real properties
Exterior cleaning is easiest to judge with your own eyes. Here is the kind of difference a proper wash makes.
Why Northline
Careful work, clear communication, no shortcuts
We built Northline around the things homeowners tell us they actually want from a contractor.
Attention to detail
Edges, corners and the spots most crews skip get the same care as the main surface.
Professional equipment
Commercial-grade washers, surface cleaners and soft wash systems matched to each job.
Property-safe methods
The right pressure and solution for siding, roofing, paint and landscaping — never brute force.
Reliable communication
Clear scheduling, arrival windows you can plan around, and answers when you call.
Respect for your home
Careful setup and cleanup, with your property left the way you'd want it left.
Local ownership
Owner-operated and based right here in the Kent, Covington and Maple Valley area.
Straightforward pricing
A clear written estimate before we start. No surprise add-ons after the work is done.
Licensed & insured
Properly licensed and insured for residential and commercial exterior cleaning work.
Free Estimate
Request your free quote
Send a few details and we'll get back to you with a straightforward estimate. Phone is the fastest way for us to reach you.
Google Reviews
What our customers say
Our Google reviews will appear here as customers leave them. Nothing on this page is invented.
Reviews from our Google Business Profile will be shown in this section. If we've cleaned your property, a short review helps other neighbors find us.
Google review link coming soon.
Service Area
Serving Kent, Covington, Maple Valley & Surrounding Areas
Based locally and working throughout South King County. Not sure if you're in range? Ask — we'll tell you straight.
Kent, WA
Homes and businesses throughout Kent, from the valley to the East Hill neighborhoods.
Get a QuoteCovington, WA
Residential exterior cleaning across Covington's neighborhoods and nearby commercial properties.
Get a QuoteMaple Valley, WA
Moss, algae and roof cleaning for Maple Valley's tree-shaded streets and newer developments.
Get a QuoteSurrounding Areas
Nearby South King County communities — call or text to confirm we cover your address.
Get a QuoteAbout Northline
A locally operated exterior cleaning company
Northline Property Solutions is a locally operated exterior cleaning company serving Kent, Covington, Maple Valley and the surrounding Washington communities. We clean homes, siding, roofs and gutters using the method each surface calls for.
Our focus is simple: dependable scheduling, careful work on your property, and results you can see from the street. You'll get a clear estimate up front and a direct line to the person doing the work.
Ready to Restore Your Property?
Get a free, no-obligation estimate from Northline Property Solutions.