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How It Works

01

Search any address

Enter a property address in California, Florida, or Texas. We pull parcel data from county records in seconds.

02

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Zoning, setbacks, lot dimensions, assessed value — plus what state and local law allows you to build.

03

Run scenarios

ADU, duplex, lot split, multi-unit — see what's possible on your lot with development rules calculated.

Who This Is For

Homeowners

"Can I add a second unit to my backyard?"

Investors

"How many units can I build on this SB 9 lot split?"

Builders & Architects

"What's the max buildable envelope under current zoning?"

Housing News

ADU permits, zoning reform, building code updates — everything builders, architects, and developers need to know.

Affordability

Karen Bass seeks council approval of $360-million allocation for affordable housing

LA Times California · Apr 09

Affordability

California considering novel idea to boost factory-built housing

LA Times California · Apr 03

Affordability

Anti-regulation Democrats? Top takeaways from governor's race forum in Fresno

LA Times California · Apr 02

Affordability

California considering a first of its kind idea to boost factory-built housing

CalMatters Housing · Mar 31

Affordability

Contributor: Rent algorithms aren't the issue. California just needs more housing

LA Times California · Mar 26

Affordability

California has 40,000 affordable housing units ready to break ground. One setback is holding them up

CalMatters Housing · Mar 09

Legislation

SB 9 Duplex + lot split
ADU Up to 1,200 sf
SB 1211 Multiple ADUs

Cities