Sonlight Window Cleaning serves Westminster with professional residential and commercial window cleaning. From the established neighborhoods around Standley Lake to the newer subdivisions in West Westminster, our crew delivers spotless results backed by 350+ five-star reviews.
Westminster spans 32 square miles between Denver and Boulder. Most residential is 1970s-2000s construction; the Westminster Promenade and US-36 corridor have driven significant commercial growth. Standley Lake and Big Dry Creek Park define the city's recreational core.
Our crew works every Westminster subdivision — Standley Lake area, Brookhill, Promenade, Westcliff, the older neighborhoods near 92nd Avenue, and the new construction along US-36. We hold recurring HOA contracts across the city.
Sonlight Westminster services include interior + exterior window cleaning, screen removal and cleaning, gutter cleaning, pressure washing, soft wash, and solar-panel cleaning. Fully insured ($2M general liability + workers' comp) with a 24-hour satisfaction guarantee.
Pricing is per-property — based on your home's square footage, number of windows, stories, and accessibility. Here's a real example for Westminster:
Example: 1,900 sqft 2-story Brookhill home, 24 windows
Interior only
$170
Exterior only
$225
Both (most popular)
$350
Want exact pricing for YOUR home in Westminster? Get an instant quote in 30 seconds — no callback, no in-person estimate. For a deeper breakdown of what affects window cleaning prices, see our 2026 Denver pricing guide.
Westminster sits in the US-36 wind corridor; west-facing windows accumulate fine grit faster than central Denver.
Westminster Water averages ~85 ppm hardness. Sprinkler overspray leaves mineral deposits within one summer.
Lake-adjacent homes see additional mineral spray on south-facing glass when south winds carry across the lake surface.
We've worked every part of Westminster — here's what to expect in your area.
Lake-adjacent homes; mineral spotting from south-wind drift.
1990s/2000s family neighborhoods; consistent home profiles.
Established neighborhoods with mature landscaping.
Mixed-use core; commercial accounts available.
Older homes near 92nd Avenue; mixed older + remodel.
Family neighborhoods near the namesake park.
Newer subdivisions on the foothills side.
Established golf-course adjacent.
Real Sonlight crew on real Front Range jobs — no stock photos. Same crew that will show up at your Westminster home or business.



Complete window cleaning inside and out, including sills and frames.
Learn more →Screen removal, washing, and reinstallation included with full-service cleans.
Learn more →Professional gutter and downspout cleaning to prevent water damage.
Learn more →Exterior surfaces, driveways, patios, and siding cleaned and restored.
Learn more →Safe cleaning to restore panel efficiency. Dust reduces output up to 25%.
Learn more →Low-pressure exterior wash for stucco, siding, decks, and fences.
Learn more →We're routinely in Westminster's neighboring communities — same crew, same pricing structure, same satisfaction guarantee. Listed by distance from Westminster:
Window Cleaning in Arvada
4 miView Arvada pricing & FAQs →
Window Cleaning in Thornton
4 miView Thornton pricing & FAQs →
Window Cleaning in Wheat Ridge
5 miView Wheat Ridge pricing & FAQs →
Window Cleaning in Broomfield
6 miView Broomfield pricing & FAQs →
Window Cleaning in Commerce City
6 miView Commerce City pricing & FAQs →
Most Westminster homes run $200–$500. A 1,900 sqft 2-story Brookhill home is around $350 for full-service.
Every Westminster neighborhood: Standley Lake, Brookhill, Westcliff, Promenade, Heart of Westminster, Westminster Park, West Westminster, and Hyland Hills.
Yes. Recurring contracts across multiple HOAs. Bulk-coordinated cleans at a discount; single COI covers all units.
Twice per year baseline. Lake-adjacent homes (Standley Lake) and west-side properties benefit from quarterly cleaning.
Yes. Storefronts and office buildings around the Promenade and US-36 corridor. Recurring contracts at a discount.
Yes. $2M general liability + Colorado workers' comp. Certificate of Insurance emailed same-day on request.
Want more answers? See our guide to how often Colorado windows need cleaning or our hard-water stain removal guide.
Get your free quote in 30 seconds.
Get Instant QuoteOr call anytime: 303-990-2878