Seattle's Window Cleaning Experts
Windows so clean, you'll forget they're there.
Residential and commercial window cleaning across Seattle, Bellevue, and the Eastside. Streak-free results, every visit.
What We Do
Services for every kind of glass
Residential Windows
Interior and exterior window cleaning for homes of every size. Spotless glass, frames, and tracks—every visit.
Commercial & Storefront
Keep your business shining with scheduled storefront cleanings. Flexible weekly, bi-weekly, or monthly service.
Post-Construction Cleanup
Remove stubborn paint, stickers, mortar, and debris left behind by builders. Bring new windows back to factory clear.
Gutter Cleaning
Full gutter clear-outs and downspout flushing to protect your home through Pacific Northwest rains.
Recurring Maintenance
Set-and-forget plans on your schedule. We track every visit so your views stay crystal year-round.
High-Rise & Multi-Story
Water-fed pole and certified rope-access teams for buildings the ladder won't reach. Safe, insured, and OSHA-compliant.
See the Difference
Before & After
The same window. Two completely different views. Our team removes grime, hard-water stains, and buildup so you can see what you've been missing.
About Northshore
Locally owned. Properly trained. Genuinely careful.
Founded in 2022, Northshore Window Cleaning is built on a simple promise: every tech who walks up to your home is a W-2 employee, background-checked, and trained in-house. No subcontractors. No surprises.
We treat your property like our own—shoe covers on, tracks wiped, screens replaced exactly where we found them.
Get a Free Estimate
What Neighbors Say
300+ five-star reviews across Seattle
"Our craftsman home has never looked better—they got every track spotless. You can tell they actually care about the details."
"Used their water-fed pole on our floor-to-ceiling windows. Zero streaks, no ladders banging the siding. Genuinely impressed."
"We're on a monthly storefront contract and they've never missed a date. Storefront always looks like opening day."
"Post-construction left our new windows a mess of paint and stickers. They removed everything without a single scratch."
"Punctual, shoe covers on inside, polite the whole way through. Already rebooked for the spring."
"Hard-water stains I assumed were permanent—gone. The lakefront view is finally back. Worth every dollar."
Free Estimate
Tell us about your windows
We'll reply within one business day with a no-obligation quote.