A full-service architecture firm creating enduring and evolving places in Colorado and beyond

Semple Brown was founded in 1982 by Sarah Semple Brown and Rusty Brown. For four decades, our firm has been distinguished by a deep level of respect and care for our clients. For us, it’s the people who make these places so meaningful.
From the projects we take on to the future of our firm, we do it all together.

Semple Brown is employee owned, which means that every team member, from our principals to our associates, feels a true sense of ownership over our work.

Meet the people behind our favorite places






























































Flexible and responsive, we design our process to the project, never the other way around
Awards & recognition
2010
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Daltile Commercial Design Contest
Pura Vida Fitness Center
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2009
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Historic Denver
Wazee Exchange Building
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Community Preservation Award
2009
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AIA Colorado
Kent Denver Student Center for the Arts
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Award of Merit
2009
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AIA California Council
Urbanrock Design
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Award of Merit - Small Project
2008
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AIA Denver
Kent Denver Student Center for the Arts
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Award of Merit
2008
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Mayor's Design Awards
RedLine
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Design Award
2008
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AIA Colorado
RedLine
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Award of Citation
2008
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AIA Denver
RedLine
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Award of Merit
2008
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AIA Denver
Kent Denver Student Center for the Arts
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Award of Merit
2008
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Historic Denver
1614 15th Street, Rock Island
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Community Preservation Award
2007
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ASID Colorado
Ellie Caulkins Opera House in the Quigg Auditorium
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Institutional Facility Award
2007
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National Council of Structural Engineers Association
Ellie Caulkins Opera House in the Quigg Auditorium
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Outstanding Project Award
2007
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AIA Denver
Ellie Caulkins Opera House in the Quigg Auditorium
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Award of Merit
2007
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AIA Denver
Stapleton Pool House #2
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Award of Merit
2007
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AIA Colorado
Littleton Church of Christ
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Award of Merit
2007
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AIA Denver
Miller Residence
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Architects Choice Award
2007
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AIA Colorado
Lowenstein Retail Development
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Award of Merit
2007
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AIA Denver
Lowenstein Retail Development
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Award of Honor
2007
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AIA Denver
Corner Office
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Award of Citation
2006
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AIA Denver
Littleton Church of Christ
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Award of Merit