Cottonwood Custom Builders

Cottonwood Custom Builders is a general contractor that builds custom homes, renovations, remodels, and additions, including accessory dwelling units. The company works with local architects and designers and has experience with older and historic homes, with a strong focus on sustainable, energy-efficient construction and Passive House principles. Its fire-resistant building approach uses non-combustible envelopes, ember-resistant design, and fire-resistant windows.

The firm handles planning, permitting, and construction for each project, and it works with preservation specialists on historic restorations. Its main office is in Boulder, with a Steamboat Springs location at 350 Fox Springs Circle that opened as an expansion in 2025. Clients can start with a project inquiry through the website or by phone.