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 — […]
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L Square Journal
ADU Guides
Foundational ADU planning articles for California homeowners comparing goals, timelines, safety, and project readiness.
Project Walkthrough: A 1,188 Sq Ft Two-Story ADU in Rosemead, CA
The short version This is a finished 1,188 sq ft detached two-story ADU in Rosemead, CA — 3 bedrooms, 2 […]
Read article →ADU Rules by City: The Orange County & LA Quick-Reference Table
The short version California sets the floor everywhere — ministerial approval, 4-ft side and rear setbacks, and since 2026 a […]
Read article →How We Build an ADU Foundation: Step by Step, From a Real Orange County Backyard
The short version An ADU foundation is built in layers, and every layer has a job: compacted ground, a gravel […]
Read article →What Is an ADU? Meaning, Types & Why California Loves Them
Last reviewed: August 11, 2026. Planning ranges are based on contractor experience and are not city service guarantees. Rules and […]
Read article →How Long Does an ADU Take in Orange County? 2026 Planning Timelines by City
Last reviewed: August 11, 2026. Planning ranges are based on contractor experience and are not city service guarantees. Rules and […]
Read article →Is Your ADU Safe? 14 Essential Best Practices for Managing Accessory Dwelling Units in California
As accessory dwelling units (ADUs) continue to gain popularity across California, offering homeowners a flexible and affordable housing solution, ensuring […]
Read article →5 Biggest Questions about Accessory Dwelling Units (ADUs) in California Answered
Accessory Dwelling Units (ADUs) are becoming increasingly popular across California. But before starting your ADU project, it’s important to understand […]
Read article →Why an ADU Is the Smartest Investment for Your Property (2026)
The short version An ADU can be worth it in 2026 when it solves a real use case on your […]
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