Insights

Can HOAs Block ADU Construction in California? Understanding Your Rights

The landscape for accessory dwelling unit (ADU) construction in California has evolved significantly in favor of homeowners. As of 2025, the California Department of Housing and Community Development’s ADU Handbook outlines robust protections for homeowners seeking to build ADUs, particularly against restrictive Homeowners Association (HOA) policies. These guidelines reflect California’s commitment to facilitating ADU development as a crucial strategy for addressing the state’s housing needs.

How to Finance an ADU

Building an accessory dwelling unit (ADU) represents a significant investment that few homeowners can—or should—pay for out of pocket. Financing your ADU allows you to spread the total investment across several years while moving forward with design, construction, and installation.

How Many Bedrooms Can an ADU in California Have?

California doesn’t limit how many bedrooms you can put in your accessory dwelling unit (ADU). But there are size restrictions that affect how many bedrooms will fit comfortably in your space. Here’s everything you need to know to plan an ADU’s bedroom count.

California’s New ADU Handbook: What’s Changed for 2025

California’s commitment to addressing housing challenges through accessory dwelling units (ADUs) continues to evolve, with several significant pieces of legislation, including AB 2533, SB 1211, and AB 1033, reshaping the landscape in 2024 and 2025. The California Department of Housing and Community Development (HCD) recently released their 2025 ADU handbook, reflecting these legislative changes and providing updated guidance for property owners and industry professionals.

How to Get an ADU Permit in California

There are many reasons you may want to build an accessory dwelling unit (or ADU) on your property in the great state of California. Maybe you want to create an additional living space for a family member. Or you may want to rent it out on a long-term basis for someone who can call it home, all while increasing your property’s value.

How Much Does It Cost To Build an ADU in California?

Logic would dictate that an accessory dwelling unit (ADU) — a type of housing smaller than most single-family residences — would cost less to build. In fact, the opposite is true, especially for homeowners who want to construct a custom ADU on their property. There are often more costs involved in building an ADU than simple construction or furnishing costs.