Siding Contractor · Whatcom County, WA
Siding & Window Vault works Whatcom County's hillside craftsmans, mid-century ranches, and waterfront homes from our Ferndale office — a local James Hardie Elite Contractor, not a franchise dispatching from out of state.
Request a free, no-obligation estimate at your Whatcom County home — measured on site, itemized, specific to your house.
4.9/5 average across all platforms — many from Whatcom County addresses
Whatcom County runs from saltwater to foothills, and siding takes different punishment along the way: bay-driven rain and salt air work the Bellingham, Birch Bay, and Blaine shorelines; Fraser-outflow wind rakes the Lynden, Everson, and Sumas farm country; and heavy shade around Lake Whatcom and up the South Fork Valley toward Acme keeps walls damp and moss-fed for most of the year.
The housing stock spans a century and every kind of community: 1890s–1930s craftsmans in Bellingham and Fairhaven's historic blocks, farmhouses and post-war ranches across the Lynden and Everson valley, lake and vacation homes around Sudden Valley, Birch Bay, and Point Roberts, and 1990s-and-newer subdivisions along the I-5 and Guide Meridian corridors. Each era fails differently, and each gets a different plan.
What we see most across Whatcom County: cedar and shingle siding rotted at the bottom courses on weather-facing walls, LP-era siding from the '80s and '90s swelling at the seams, fasteners corroding early on salt-exposed shoreline homes, and moss working into joints on shaded north walls. None of it is cosmetic — by the time siding shows these signs, water is usually getting behind it.
…and every community in between, county-wide.
Whatcom County's housing market rewards exterior condition — buyers compare street by street, and appraisers see siding before they see anything else. National cost-vs-value data consistently ranks fiber cement siding replacement among the highest-returning exterior projects at resale, and in a wet-climate market, "recently re-sided" answers the first question every inspector asks.
What your project costs depends on material, home size, and stories — and on what we find under the old siding. That's why every bid is measured on site and itemized: the number you approve is the number you pay, with rot repair priced transparently if we find it.
For most Whatcom County homes, fiber cement — it shrugs off saltwater rain on the shoreline, Fraser Valley wind in the farm country, and the moss pressure of shaded foothills lots without cedar's repaint cycle. On craftsman-era homes, lap and shingle profiles keep the period look in a material that doesn't rot at the bottom course.
One thing we don't install: vinyl siding. In this climate it traps moisture against the wall and fails in ways we're not willing to warranty. If budget is the driver, we'd rather show you an engineered-wood option that actually holds up here.
One local contractor for the whole exterior — each service has its own Whatcom County page with local details.
Real SWV projects from across our five-county service area — ask to see finished work near your own neighborhood at your estimate.
See All Projects →We install several siding materials, and we recommend fiber cement — James Hardie specifically — for nearly every home we work on in Whatcom County. In a wind-driven-rain state, fiber cement doesn’t rot, doesn’t feed moss, doesn’t warp, and shrugs off the freeze-thaw cycles that crack lesser boards. It carries a 30-year substrate warranty, and ColorPlus factory finishes hold their color for 15 warranted years without repainting.
As a James Hardie Elite Contractor we install to the spec that keeps that warranty valid — fastening, clearances, and flashing details checked on every wall. If a different material genuinely fits your project better, we’ll say so plainly in the bid — but for most Whatcom County homes, Hardie is the answer we’d put on our own house.
Most single-family whole-home siding replacements typically land between $20,000 and $60,000, driven mainly by home size and stories. Window replacement typically runs $900–$2,500 per window installed depending on brand, type, and size — and typically 25%+ less per window when replaced during a re-side, since demolition, disposal, and administrative overhead are already carried by the siding project.
Nationally, fiber cement siding replacement is one of the best-returning exterior projects at resale — recent Cost vs. Value Report data puts its cost recoup above 100% (a national figure; local results vary). Every bid is measured at your home and itemized line by line — the ranges are for orientation, not quotes. Financing options are available.
James Hardie siding carries a 30-year substrate warranty, with ColorPlus finishes warranted for 15 years. Windows carry the full manufacturer warranty.
On top of the product coverage, our own workmanship warranty is included on every project; the terms are spelled out in your bid.
A full home siding replacement typically runs one to four weeks on site depending on size, sheathing condition, rot, and whether we're painting. A whole-home window replacement typically runs three to seven days — full-frame nail-flange replacement, not pocket inserts, which takes longer and is worth it.
Your schedule is in the bid before work starts, and the final inspection is part of it.
Ranges are typical figures for orientation — every bid is measured at your home. Financing options →
No good-better-best games — every project gets the full scope, spelled out line by line in your bid.
If our installation fails, we come back and make it right. The warranty terms are spelled out in your bid — ask us for the current details.
Whatcom County ZIP codes served: 98220 · 98225 · 98226 · 98229 · 98230 · 98240 · 98247 · 98248 · 98264 · 98276 · 98281 · 98295
A free on-site estimate anywhere in Whatcom County — measured at your home, itemized, and honest about what needs work now and what can wait.
