In Northwest Washington, a home's exterior isn't decoration — it's defense. Salt air off the Salish Sea, months of rain, and freeze-thaw cycles from November through March work every seam. Out here, siding and windows are the front line between your home and the weather — and when they're installed wrong, the damage works its way into the walls.

That's the problem Siding Vault exists to solve.

We're a siding and window replacement company serving homeowners across Whatcom, Skagit, San Juan, Island, and Snohomish counties. But we're more than installers — we're building-envelope specialists. Before we hang a single plank or set a single window, we read the house for water intrusion, failed flashing, and improper nailing, then fix what's underneath before we make the outside beautiful.

As a James Hardie Elite Contractor — the highest tier in Hardie's program — our crews are trained to their exact installation standards. That's what keeps your full manufacturer warranty intact, and it's the difference between siding that lasts decades and siding that fails early. We also replace windows with proven brands like Milgard, Ply Gem, and Andersen, so your entire weather barrier is sealed by one accountable team.

And we tell you the truth, even when it costs us the sale. If only three of your four walls need re-siding, we'll say so. Minor rot repair is included — no surprise line items. Our estimates are fixed and transparent, because we'd rather earn a customer for life than win a single job.

Locally owned, licensed, and insured, we serve homeowners from Bellingham and Ferndale to Anacortes, the San Juan Islands, and Snohomish County. We treat your home like our own: do it once, do it right, and re-seal the building envelope to protect it for decades.

That's Siding Vault. Northwest craftsmanship, elite certification, and a straight answer every time.