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24 companies listed · 4 in Boulder · 2 open 24/7 · 13 open weekends · 22 rated 4.5+
Data verified October 27, 2026
Listed for homeowners in and around Boulder, CO, these 24 companies design and build decks. What each one says about framing, materials and permits comes from its own website; the ratings and comments on this page come from public reviews.
4 of the 24 companies we list are based in Boulder; the other 20 serve Boulder from towns including Longmont (13 mi), Arvada (14 mi) and Broomfield (12 mi). The companies on this page are rated from 4.0 to 5.0 across 582 reviews; 3 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), quality (90%) and responsiveness (79%). The topics that come up most in reviews of the companies on this page are "communication", "price" and "crew". 2 are open around the clock; 13 are open on Saturdays and 6 on Sundays. 2 show a license on their websites and 3 have a BBB rating of A or A+. Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 2007. 2 offer emergency call-outs; 4 offer financing or payment plans; 12 give free estimates and 2 are family- or locally-owned. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
All 24 deck builders shown here list a website. Look past the finished photos for pictures taken during framing. Joist layout, hardware and how the ledger was flashed tell you how the company builds, and those photos are the ones a careful builder is proud to publish.
