Thayer Architecture Inc. is an award-winning architectural firm located in Marin County, CA, committed to serving the needs of homeowners and developers for over twenty years. Specializing in the design of new custom homes, developer-built homes and commercial buildings, we also have extensive experience with remodeling projects and additions to existing buildings.

A family business with a long-standing presence in Marin, the firm was founded by John S. Thayer, Architect in 1973 with offices in Mill Valley. Son Kyle A. Thayer, Architect has carried the tradition forward, with offices currently located in San Rafael. In the past forty years we have designed over eighty custom homes, two hundred developer-built residential projects,and nearly one hundred remodels.

Thayer Architecture Inc. can provide the following services:


Mailing address:
Thayer Architecture Inc.
P.O. Box 2911
San Anselmo, CA 94979

Physical address:
Thayer Architecture Inc.
720 A Street, Second Floor
San Rafael, CA 94901

Telephone: 415 524-2775