Headquarters
13012 LONGWORTH AVE, NORWALK, CA 90650-2771, US
NORWALK, CA, US
From the company
Cal Capitol Construction is a licensed general building contractor (CSLB#1146072) established in 2025, specializing in complex Accessory Dwelling Unit (ADU) construction across Los Angeles, Orange County, and the Inland Empire. The company handles full ground-up 1 & 2-story ADUs, garage conversions, SB9 and AB976 projects, and fully accessible handicap-friendly designs, managing permits, plan checks, and revisions in-house through its City Due Diligence™ system.
13012 LONGWORTH AVE, NORWALK, CA 90650-2771, US
Quantities, certifications, and timing.