AI-powered zoning & development analysis

Know what you can build — before you build it.

Instantly analyze zoning, regulations, and development potential for your property.

GoCodebook property analysis preview

Takes ~60 seconds • We may follow up with insights about your property

How GoCodebook works

Three steps from address to a clear, code-accurate answer.

1. Tell us the property

Drop an address. We pull parcel, zoning, and jurisdiction details automatically.

2. Codes, decoded

GoCodebook reads zoning, planning, building, and rent-control codes that apply to your lot.

3. Custom report

Get a clear, plain-English answer: what you can build, what you can't, and what to do next.

What GoCodebook covers

Every layer of regulation that touches your property — in one place.

Zoning ordinances
Planning code
Building code
ADU & SB-9 rules
Rent control
Permitting paths

Who it's for

Homeowners

Add an ADU, remodel, or split your lot — without surprises.

Investors

Underwrite deals faster with code-accurate feasibility.

Architects

Front-load entitlement risk before drawings start.

Agents

Win listings with a real answer to "what can I build here?"

Get your free property survey

10 quick questions. We'll email you a starter feasibility summary within 1 business day.

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Helps us tailor advice to your situation.

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