

A commercial deck isn’t just a larger version of a residential build. These structures require stronger framing, heavier-duty hardware, ADA-compliant features, and design that fits both code and customer flow. We’ve built rooftop lounges, brewery patios, dining decks, and walkways that hold up under foot traffic, weather, and local inspections. From permits to finish, we manage every detail to make your space usable, safe, and attractive.
A great deck draws in guests. Whether it’s a rooftop view, a shaded patio, or a sidewalk café extension, outdoor seating drives revenue. We build decks that work hard for businesses easy to clean, engineered to handle weight, and made to impress. From concrete footers to commercial railings and stair systems, we make sure your new deck checks every box.
ADA ramps, compliant stairs, and proper egress
Commercial-grade hardware, railings, and finishes
Durable surfaces that clean easily and resist wear

No two commercial decks are the same. That’s why we start with layout planning, traffic patterns, and intended use. Hosting diners? You’ll need room for tables, walkways, and wait staff. Rooftop bar? Wind load and waterproofing are critical. Every deck we build is tailored to your operations, your foot traffic, and your climate exposure. We build it to last and to work.

We use commercial-rated composites, sealed wood, and non-slip surfaces that stand up to spills, snow, and shifting temperatures. Substructures are framed with larger joists, tighter spacing, and extra bracing for live load requirements. Whether you're serving food, hosting events, or creating retail access, our decks are ready to handle it.
Commercial projects need more than just tools they need paperwork. We provide engineered drawings, file permit applications, and coordinate with fire marshals and code officials. Our crews build to meet every safety requirement and deliver a finished deck that opens on schedule. No delays, no missed inspections just a space that’s ready for guests.

Code-Compliant Builds
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Full Permit Support: We manage plans, applications, and inspections.
Trusted by Restaurants & Venues: Local commercial references available on request.
Don't worry, we can help!
From brewery patios to rooftop event spaces, our decks help Montana businesses grow their footprint and attract more guests. These builds aren’t just code-compliant—they’re smart, strategic additions to your commercial property. Durable, easy to maintain, and designed to support your business goals from day one.
Great for food service, hospitality, or event venues
Add visual appeal and functional space to your property
Multiple materials, layouts, and railing styles available
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Here’s what business owners across Montana ask us before starting a new deck build or upgrade:
Yes. They must meet stricter structural, safety, and accessibility codes. We handle all compliance.
Yes. We’ve built reinforced rooftop decks with proper drainage, access, and railing systems.
Yes, for nearly all commercial projects. We’ll draft, submit, and revise plans as needed.
Most projects are completed in 3–6 weeks, depending on weather and complexity.

150-char Text: Start-to-finish design and build services tailored to your needs, property layout, and Montana’s outdoor climate.

150-char Text: Long-lasting, low-maintenance decks built with premium materials like Trex, TimberTech, and Fiberon.

150-char Text: Durable and natural cedar or pressure-treated decks with expert finishing for Montana’s seasons.

150-char Text: From sagging joists to cracked planks, we restore deck strength and safety with local code compliance.

150-char Text: Power sanding, sealing, and staining services to breathe new life into aging wood decks.

Deck refinishing and restoration services in Montana

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150-char Text: Protect your space with custom-built patio covers, overhead roofs, and insulated panels.

150-char Text: Keep bugs out and comfort in with fully enclosed porch systems and sunroom conversions.

150-char Text: Built-in countertops, sinks, and grills for backyard chefs and entertainers alike.

150-char Text: Shade structures built with beauty and function in mind—ideal for gardens or patios.

150-char Text: Slip-resistant, water-safe deck designs customized for spas, pools, and retreats.

150-char Text: Storage, workshops, and garages that blend with your property and meet code.

150-char Text: Safety meets style with cable rails, privacy panels, and reinforced stair systems.

150-char Text: Durable, ADA-compliant decks for businesses, venues, and public spaces.

Innovation
Fresh, creative solutions.

Integrity
Honesty and transparency.

Excellence
Top-notch services.
Whether you're looking to add a sun-soaked patio, rebuild a storm-damaged deck, or design a multi-level masterpiece, we’re ready to help. Alliance Deck Builders of Montana brings expertise, materials, and trust to every job no matter the size. Contact us today to schedule your free consultation and let’s bring your outdoor vision to life.

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