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
Daltile Commercial Design Contest
Pura Vida Fitness Center
2009
Historic Denver
Wazee Exchange Building
Community Preservation Award
2009
AIA Colorado
Kent Denver Student Center for the Arts
Award of Merit
2009
AIA California Council
Urbanrock Design
Award of Merit - Small Project
2008
AIA Denver
Kent Denver Student Center for the Arts
Award of Merit
2008
Mayor's Design Awards
RedLine
Design Award
2008
AIA Colorado
RedLine
Award of Citation
2008
AIA Denver
RedLine
Award of Merit
2008
AIA Denver
Kent Denver Student Center for the Arts
Award of Merit
2008
Historic Denver
1614 15th Street, Rock Island
Community Preservation Award
2007
ASID Colorado
Ellie Caulkins Opera House in the Quigg Auditorium
Institutional Facility Award
2007
National Council of Structural Engineers Association
Ellie Caulkins Opera House in the Quigg Auditorium
Outstanding Project Award
2007
AIA Denver
Ellie Caulkins Opera House in the Quigg Auditorium
Award of Merit
2007
AIA Denver
Stapleton Pool House #2
Award of Merit
2007
AIA Colorado
Littleton Church of Christ
Award of Merit
2007
AIA Denver
Miller Residence
Architects Choice Award
2007
AIA Colorado
Lowenstein Retail Development
Award of Merit
2007
AIA Denver
Lowenstein Retail Development
Award of Honor
2007
AIA Denver
Corner Office
Award of Citation
2006
AIA Denver
Littleton Church of Christ
Award of Merit