Project Walkthrough: A 700 Sq Ft ADU with High Ceilings in Pasadena, CA
The short version This is a finished 700 sq ft ADU in Pasadena, CA that we designed and built — […]
L Square Construction | Licensed ADU Construction Company in Orange County
The short version This is a finished 700 sq ft ADU in Pasadena, CA that we designed and built — […]
The short version This is a finished 1,188 sq ft detached two-story ADU in Rosemead, CA — 3 bedrooms, 2
The short version California sets the floor everywhere — ministerial approval, 4-ft side and rear setbacks, and since 2026 a
The short version An ADU foundation is built in layers, and every layer has a job: compacted ground, a gravel
Last reviewed: August 11, 2026. Planning ranges are based on contractor experience and are not city service guarantees. Rules and
Last reviewed: August 11, 2026. Planning ranges are based on contractor experience and are not city service guarantees. Rules and
The short version A prefab ADU is built in a factory and delivered to your lot; a custom (stick-built) ADU
Last reviewed: August 11, 2026. Planning ranges are based on contractor experience and are not city service guarantees. Rules and
The short version Yes — but far less than most homeowners fear. Adding an ADU in California does not trigger
Last reviewed: August 11, 2026. Planning ranges are based on contractor experience and are not city service guarantees. Rules and