Alpine Exteriors
Siding · Bellingham, WA & Whatcom County

Window Contractor in Friday Harbor, WA

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25 Years in Business2,000+ Projects Completed25-Year Workmanship Warranty5-Star RatedLicensed & Insured

Window Replacement in Friday Harbor

Friday Harbor is a working town as much as a ferry-postcard one, and its windows tell that story. The blocks climbing the hill from the ferry landing hold homes dating back a century, built when the town lived on fishing, lime, and the county courthouse, and many still carry original single-pane wood sash. Ring the town outward and you find mid-century houses and newer construction with big glass aimed at the harbor, the marina, and the shipping lanes beyond. Nearly every one of those windows faces the same daily reality: marine air, salt carried on the wind across the harbor, and the long light of a rain-shadow climate that delivers more sun, and more UV on south-facing frames, than most of Western Washington gets.

Alpine Exteriors replaces windows throughout San Juan County, and Friday Harbor projects come with a particular set of demands: older openings that are rarely square, town lots with close neighbors, and homeowners who want better comfort without erasing the character that makes these streets worth walking.

What we do

Alpine siding, roofing, windows & decking.

What We Install in Town

Our recommendations for Friday Harbor draw on 25 years of exterior work in marine climates, and they vary house by house.

  • Composite and fiberglass frames that ignore salt air, will not swell in winter damp, and hold paint-grade finishes suited to the town's historic streetscapes.
  • Insulated low-E glazing that ends the single-pane condensation dripping onto sills every winter morning and takes real pressure off heating bills.
  • Sash-style and divided-lite options for the older homes near the courthouse and Spring Street, keeping proportions the neighborhood recognizes.
  • Large-format picture units for harbor-view walls, specified for the wind loads an exposed hillside above the water actually experiences.

Every opening gets full sill-pan flashing and air sealing. In a town where weather arrives off the water with enthusiasm, the installation detail matters as much as the unit itself.

Island Scheduling Without the Headache

We handle the logistics that make island contracting tricky. Windows are custom-measured on our first visit, manufactured to order, and brought across on the Anacortes ferry in a planned installation trip, with your home weathertight at the end of every working day. Having completed more than 2,000 projects around Northwest Washington, we have learned that island jobs succeed on preparation, so preparation is most of what we do before a single sash comes out.

It starts with a free on-site estimate anywhere in town or the surrounding roads, an honest window-by-window assessment, and a written price. The installation is then backed by our 25-year workmanship warranty, our standing commitment to come back across the water if our work ever falls short. Most of our Friday Harbor customers first heard of us from a neighbor, and we intend to keep earning that.

Recent work

Craftsmanship you can see.

Free, no-pressure estimate

Ready to get started?

Tell us about your project and we'll follow up — usually the same day — to schedule a free on-site estimate anywhere in Whatcom, Skagit & Snohomish County.

(360) 543-4799

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