Stop guessing. Enter any Southern California address and get an instant report showing your full development potential — ADUs, teardowns, lot splits, zoning rules — all based on current California law.
LA · Orange · Riverside · Ventura · San Bernardino
Free report. No sign-up required. Covers all 5 Southern California counties.
See disclaimer below.
What used to take a trip to city hall and a permit consultant now takes 10 seconds.
Type in your Southern California address — LA, Orange, Riverside, Ventura, or San Bernardino County. We locate your parcel using official county GIS data.
We look up your zoning, lot size, and applicable California state laws — including ADU reform laws, SB9, and more.
See exactly what you can build: ADUs, new construction, lot splits, estimated unit counts, height limits, setbacks, and development options.
Looking up parcel data and California zoning rules
Please try again with a more complete address including city and state (e.g. "1234 Main St, Los Angeles, CA").
Southern California, CA
Estimates reflect current Southern California construction market rates (2025). Costs vary based on site conditions, permit fees, design complexity, soil reports, and material selections. Contact Estate Design & Construction for a free, accurate estimate on your specific property.
Estate Design & Construction specializes in exactly these projects — ADUs, teardowns, new construction, and multi-unit development. We handle everything from design and permits to the final build. Licensed in California (CA #1075658) with 20+ years of experience across LA County.
Disclaimer: This report is for informational purposes only and does not constitute legal or architectural advice. Zoning information is based on publicly available county GIS data and California state law as of 2025. Coverage includes Los Angeles, Orange, Riverside, Ventura, and San Bernardino counties. Local rules may vary, and municipalities may have additional requirements not reflected here. Always verify with your local planning department and consult a licensed architect or attorney before making development decisions. Estate Design & Construction is a licensed contractor (CA #1075658) and can assist with confirming what is permissible for your specific property.