Your Trusted Siding, Roofing, Decking, Windows, Exterior Contractor in Bellingham Bay, WA

Trusted for Over 450 verified 5 star reviews and 1750 + jobs

 At Alpine Siding Pros, we proudly serve Bellingham Bay, WA and surrounding Whatcom, Snohomish, Skagit, and King counties with nearly two decades of exterior contracting expertise. Our locally based team delivers durable roofing, precision siding installations, energy-efficient windows, and custom decking tailored for the bay’s marine climate. We’ve perfected waterproofing techniques and include courtesy rot repair at a nominal fee to eliminate hidden charges. Whether you’re refreshing a shoreline cottage’s siding, installing a deck overlooking the bay, or replacing windows in a downtown loft, count on transparent pricing, responsive communication, and workmanship built to withstand Washington’s toughest weather. Contact us for your free, detailed bid today.

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Why Choose us

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Our top-rated siding company specializes in James Hardie siding, siding replacement, and exterior upgrades for lasting durability and curb appeal.

A REPUTATION OF EXPERIENCE, QUALITY, AND TRUST

Washingtons Elite Preferred James Hardie Siding Contractor
Serving Whatcom and surrounding counties for over 22 years!

Top-Rated Siding Company Bellingham, WA
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Monroe frame repair

Marine-Grade Roofing Solutions for Bellingham Bay

Alpine Siding Pros installs asphalt shingle and standing-seam metal roofs formulated to resist salt-air corrosion and heavy rains. Our certified installers perform a full deck inspection, apply premium underlayment, and seal flashings with marine-grade sealants to prevent leaks, ice dams, and wind-driven rain intrusion.

Prior to installation, we conduct a structural assessment to uncover any hidden rot or deck damage—offering courtesy rot repair at minimal cost. Backed by manufacturer warranties and our commitment to on-time completion, your new roof will protect your Bellingham Bay home and enhance its curb appeal for decades.

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Coastal-Ready Siding Installations in Bellingham Bay

Protect your Bellingham Bay property with low-maintenance vinyl, fiber cement, or engineered wood siding from Alpine Siding Pros. Our crews align trim with laser precision, install continuous waterproofing membranes, and caulk every seam to block moisture and air infiltration in the salty marine environment.

Each project starts with substrate evaluation and sheathing inspection. By marrying premium materials with our perfected water-barrier techniques, we deliver an energy-efficient, mold-resistant exterior that endures UV exposure and temperature swings—boosting your home’s durability and appearance along the waterfront.

Condominium water intrusion repair experts

High-Performance Windows for Bay-Side Comfort

Upgrade to ENERGY STAR®-rated double- and triple-pane vinyl or fiberglass windows installed by Alpine Siding Pros. Our precise measurements and advanced sealing methods eliminate drafts, reduce condensation, and improve thermal performance in Bellingham Bay’s variable climate.

We assess existing frames and flashing before carefully removing old units, then perform a meticulous cleanup. Enjoy lower utility bills, superior soundproofing from passing ferries, and unobstructed views of Mount Baker and the Salish Sea from every room.

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Custom Marine-Grade Decking in Bellingham Bay

 Extend your waterfront living with a bespoke deck from Alpine Siding Pros. We design and build decks using pressure-treated lumber, composite materials, and marine-grade hardwoods rated for coastal moisture and sun exposure. Our installers follow local code for joist spacing, ledger attachment, and proper drainage.

From simple viewing platforms to multi-level entertainment decks with cable railings, we select corrosion-resistant fasteners and finishes for low-maintenance safety and longevity. Enjoy a durable outdoor oasis perfectly tailored to Bellingham Bay’s terrain and vistas.

Why Alpine Siding Pros Excels in Bellingham Bay

 With 20 years of regional expertise, Alpine Siding Pros understands Bellingham Bay’s unique marine climate and architectural styles. Our locally based team partners with Washington suppliers to source premium materials—ensuring rapid delivery and local support. We deliver transparent bids, manufacturer-backed warranties, and community-focused service, guaranteeing every roofing, siding, window, and decking project in Bellingham Bay is completed on time, on budget, and built to last.

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Mastering the Building Envelope

We treat your home’s exterior as an integrated system—coordinating roofing, siding, windows, and decking to work in harmony against moisture intrusion and air leaks. Our crews install high-quality vapor barriers, marine-grade flashings, and sealants at all critical junctions. By inspecting and repairing underlying sheathing and framing, we prevent rot and mold before they start and maximize energy efficiency and indoor comfort in Bellingham Bay’s maritime environment.

Transparent Pricing and Rot Repair

At Alpine Siding Pros, integrity is our policy. We separate rot repair from core services—charging only a nominal courtesy fee when replacing damaged sheathing or framing. Every bid clearly itemizes materials, labor, and any rot remediation so Bellingham Bay homeowners never face hidden charges. This transparency lets you budget confidently and ensures your project stays on schedule and on budget.

Local Partnerships and Community Commitment

As a locally owned Bellingham contractor, we partner with Washington-based manufacturers and suppliers—supporting the regional economy while securing premium materials for your exterior project. Our team lives in the communities we serve, understands local building codes, and respects waterfront neighborhood aesthetics. Whether performing a small repair or a major recladding, we communicate openly, adhere to schedules, and treat your property with the utmost care—building lasting relationships one project at a time.