Our Services


Construction Administration

We pride ourselves in prompt, thorough and attentive support services during construction. We respond to…

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Expert Witness Testimony Service

If you are involved in construction-based litigation, we can help. We will use forensic analysis…

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Seismic Upgrades of Residential and Commercial Structures

Our design team performed seismic strengthening and soft-story mitigation on over 26 commercial buildings last…

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Commercial Tenant Improvements and New Construction

Our design philosophy surrounding Commercial projects is simple – maintain the Architectural integrity of the…

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Residential Additions

At TDA, our design team provides Residential Architects and Homeowners a diligent, responsive, and precise…

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Custom Home Design

We provide creative structural design services for custom residential homes throughout California.

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