Ladu Adu Tools
@ladu-dev
LADU’s MCP server connects AI assistants directly to LA County ADU data. Ask about any address and get a plain-English buildability verdict, the parcel’s zoning and regulatory overlays (hillside, coastal, fire, flood, historic, fault zones), and the governing city’s ADU rules. Qu
Overview
What is Ladu Adu Tools?
A free, public, read-only MCP server that provides real ADU (Accessory Dwelling Unit) data for Los Angeles County. It connects any MCP-compatible AI assistant to zoning, regulations, permit statistics, and buildability checks—no API key or signup required.
How to use Ladu Adu Tools?
Add the URL https://www.ladu.co/mcp to your MCP client configuration (e.g., Claude Desktop, Cursor, Cline). Restart the client, and the tools become available automatically. There is no authentication step.
Key features of Ladu Adu Tools
- Check buildability for any LA County address
- Lookup parcel rules, zoning, and overlays
- Get structured ADU rules for 51 cities
- Compare two jurisdictions side-by-side
- Estimate ADU cost and timeline
- Access 19,000+ permitted ADU records (2018–present)
Use cases of Ladu Adu Tools
- Determine whether a specific property can add an ADU
- Compare ADU regulations between two cities
- Estimate project cost and timeline for a planned ADU
- Analyze ADU permit trends and median valuations
- Find permitted ADUs near a given address
FAQ from Ladu Adu Tools
Do I need an API key or to sign up?
No. The server is free, public, and read-only. No authentication is required.
What data does the server provide?
It returns property characteristics, zoning, overlay designations, structured city ADU rules, and aggregate permit statistics. It never returns owner names, contact details, or financial information.
How is the server rate limited?
Tool calls are rate-limited per client. When the limit is reached, the server returns HTTP 429 with a Retry-After header and a JSON‑RPC -32000 error.
What cities are covered?
The server supports structured ADU rules for 51 Los Angeles‑area jurisdictions. Use the list_cities tool to see the full list.
Where does the permit data come from?
Permit records are sourced from public LA County Assessor and LA City/County Building & Safety records, deduplicated by case number, covering 2018 to the present.
