Guides & Blog

Build Smarter. Know More.

Practical guides on California ADU regulations, costs, permits, and financing. Written for homeowners, not lawyers.

California ADU Laws: 2025-2026 Updates

What changed in California ADU law recently, what is still being debated, and what homeowners need to know going into 2026.

February 17, 2026·6 min read

Complete Guide to Building an ADU in California

From zoning rules to breaking ground, here is what every California homeowner needs to know before starting an ADU project.

February 10, 2026·9 min read

ADU Types Explained: Detached, Attached, JADU, and Garage Conversions

Not all ADUs are built the same. Here is how each type works, what it costs, and which situations each one fits best.

February 3, 2026·7 min read

How Much Does an ADU Cost in California?

Real cost breakdowns for detached ADUs, garage conversions, and JADUs across California cities. What drives the price and where people get surprised.

January 27, 2026·8 min read

How to Hire an ADU Contractor

What to look for, what questions to ask, and the red flags that cost homeowners tens of thousands of dollars.

January 20, 2026·7 min read

ADU Financing 101

Home equity loans, HELOCs, construction loans, and California grant programs. Which financing option fits your ADU project and situation.

January 13, 2026·7 min read

ADU Permit Process Step-by-Step

What happens between the day you decide to build an ADU and the day you get your certificate of occupancy. Realistic timelines and what causes delays.

January 6, 2026·8 min read

ADU Setback Requirements in California

How much space do you actually need between an ADU and your property lines? State law changed the rules significantly in 2020.

December 29, 2025·6 min read

Building an ADU on a Septic System

Adding a second dwelling to a property with a septic system raises questions most homeowners aren't prepared for. Here is what you need to know.

December 22, 2025·6 min read

ADU Rental Income: What to Realistically Expect

Actual rental ranges for California ADUs by city, how to run the numbers on your project, and what landlord costs people overlook.

December 15, 2025·7 min read

Newsletter

New guides, when they drop

California ADU rules change often. We cover the updates plus practical advice for homeowners.