About Altadena Design Build

Altadena Design Build is powered by Brennan Construction.   

Founded in 2016 by John Brennan. Brennan Construction is headquartered in Burbank California. 

Brennan Construction operates in the San Fernando Valley, San Gabriel Valley, and in the northern communities of Los Angeles.

 As a full-service design-build contractor, Brennan Construction provides in-house services including:

- Conceptual Design

- Architectural

- Structural

- Engineering

- Estimating

- Construction