LA County PreCheck for Faster Home Approvals
LA County has partnered with Archistar to launch PreCheck, a cutting-edge AI tool that reviews site plans for compliance with zoning.

Visit to view a dashboard with the number of registered users, the number of submitted plans, and the number of plans submitted for each of the review types – like-for-like rebuild, and non-like-for-like rebuild.
If your single-family home was impacted by the Eaton Fire or the Palisades Fire and is located in a single-family (R-1) residential zone in the unincorporated Altadena or Sunset Mesa communities, you are invited to join as an Early Adopter.
How to participate in LA County PreCheck
- Sign up for a free account at
- Look up your property address
- Upload your architectural drawings in PDF format
- Indicate whether your rebuild project is “Like-for-Like” or “Non Like-for-Like”
- Receive your report from PreCheck.
- Results may take up to 10 business days but may be delivered faster.
- Review the report. Revise your plans and re-upload, if needed.
- Download the final report and include it in your County Disaster Recovery Permit – Rebuild Project application.
By participating, you are helping train the AI model and accelerating recovery efforts in your community.
Visit start.archistar.ai/us/lacounty to get started.
LA County PreCheck Dashboard
Visit start.archistar.ai/us/lacounty to view a dashboard with the number of registered users, the number of submitted plans, and the number of plans submitted for each of the review types – Like-for-Like Rebuild Projects, and Non-Like-for-Like Rebuild Projects.