Axiom Design Build

Axiom Design Build is a residential architectural and general contracting firm located in Seattle. Established in 2001, Axiom has grown into a leading presence in Seattle’s design-build community, offering high-end architecture, interior design, and construction services.

Principals and owners Heather Cashman and John Cashman AIA, founded Axiom with the desire to provide a comprehensive design and construction experience for homeowners that supports a range of project styles and sizes, including remodels, additions, and custom homes. Axiom’s team leads clients through a collaborative process that provides the necessary architectural development, interior design, material specifications, permitting, pre-construction estimation, and includes in-house construction management and craftspeople to expertly bring each client’s unique designs to life.

Axiom’s service range extends throughout Seattle, Bellingham, and the PNW.


5424 Ballard Ave NW, Suite 204
Seattle, WA 98107