3PEAK Architecture

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3PEAK Architecture Full professional architectural services.

3PEAK Architecture began in 1993 as Williams & Associates Architecture, built on a foundation of thoughtful, client-focused design. In the years that followed, the firm grew through collaboration, craftmanship, and strong relationships with clients and community. In 2025, after 30+ years of service a new identity, 3PEAK Architecture, was embraced that honors the company's history while looking bol

dly toward the future. The firm's home office is located in Spearfish, South Dakota, a community surrounded by three mountain peaks: Crow Peak, Spearfish Mountain, and Lookout Mountain. These landmarks inspired the firm's new name and reflects both its faith and the three core values that guide everything they do: INTEGRITY, QUALITY, and ADVENTURE.

3PEAK Architecture is a trusted practice shaped by a team of dedicated architects, designers, and support staff who share a common purpose: creating spaces that are intentional, enduring, and connected to place.

Address

125 E. Colorado Boulevard, Suite 2A

57783

Opening Hours

Monday 08:00 - 17:00
Tuesday 08:00 - 17:00
Wednesday 08:00 - 17:00
Thursday 08:00 - 17:00
Friday 08:00 - 12:00

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