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01

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

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

03

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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

Your last minute voter guide to the 2026 California governor's race

LA Times California · May 30

Affordability

Thousands are leaving Los Angeles year after year. This is why we still have a housing crunch

LA Times California · May 29

Affordability

Thousands rally in L.A. for May Day to protest immigration sweeps, high cost of living

LA Times California · May 02

Affordability

Your guide to the California governor candidates' views on housing and homelessness

LA Times California · May 01

Affordability

L.A. voters doubt government can improve housing affordability, poll finds

LA Times California · Apr 23

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

Legislation

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

Cities