Everything you need for ADU compliance

Professional-grade tools built for California's complex zoning regulations. Trusted by architects and developers across Los Angeles, Berkeley, Oakland, and San Francisco.

01

Instant Feasibility Check

Get PASS/FAIL results in seconds. Our engine analyzes zoning codes, lot dimensions, and overlay zones to determine if your property qualifies for an ADU.

  • Real-time zoning code lookup
  • Lot size and setback analysis
  • Overlay zone detection (Hillside, Coastal, etc.)
  • State law compliance (SB 9, AB 68, AB 881)
02

Standard Plan Matching

Automatically match your property to pre-approved LADBS standard ADU plans. Skip months of design review with blueprints ready to build.

  • Pre-approved plan database
  • Automatic fit calculation
  • Clearance and setback verification
  • Direct links to plan documents
03

AB 2533 Amnesty Detection

Check if existing unpermitted structures qualify for the California ADU amnesty program. Deadline: January 1, 2030.

  • Pre-2020 construction verification
  • Safety compliance requirements
  • Deadline tracking
  • Step-by-step legalization guide
04

AI-Powered Zoning Search

Ask questions in plain English and get answers from City of LA and County zoning codes. Our RAG pipeline searches thousands of pages instantly.

  • Natural language queries
  • Section and page citations
  • Related regulation suggestions
  • Up-to-date with latest amendments
05

Professional PDF Reports

Generate client-ready compliance reports with one click. Includes all analysis, citations, and recommendations.

  • Branded report templates
  • Property details and maps
  • Compliance checklist
  • Citation references
06

PostGIS Buildable Envelope

Advanced geospatial analysis calculates the exact buildable area on your lot after applying all setback requirements.

  • Accurate setback calculations
  • Buildable area visualization
  • Square footage estimation
  • Height limit analysis

Ready to get started?

Generate professional ADU compliance reports in seconds, not hours.

⚠️ ZoningOS provides preliminary zoning analysis only. Reports require verification by a licensed professional. This is not legal or professional advice. Full Disclaimer