Human-reviewed ADU and property-use screening.
GroundRules is currently in beta. City of Los Angeles is the first supported real-data jurisdiction. Reports are human-reviewed before delivery and local restriction items are framed as screening signals, not permit or legal approvals.
Realtors, investors & property professionals — City of Los Angeles
- Real parcel, zoning & hazard data
- Source-cited — every fact linked to a public record
- Human-reviewed before delivery
- Local restriction signals marked as review flags, not final approvals
- 48-hour turnaround
- City of Los Angeles only (first supported jurisdiction)
- Not permit approval · not legal advice
For builders and property professionals screening multiple LA leads
- Free multi-address lead screening
- Then request human-reviewed $149 packets for the addresses worth deeper review
- ADU and property-use lead screening
- Source-cited report suitable for client review
- LA-first coverage only
Realtors, investors, and property professionals
- Screen fixer-uppers and listing potential
- Local restriction review requests
- Priority human review
- Source-backed signals where available
- Human-review required labels when rules are incomplete or case-specific
High-volume design-build firms
- Volume pricing for 10+ reports
- Shared team workspace
- Bulk intake dashboard
- Volume discounts
- Early access to new jurisdictions
Investors screening pipelines
- Screen multiple addresses
- Buildability flags across a buy list
- Export to spreadsheet
- Early access to new jurisdictions
- Available to early pilot partners
GroundRules is currently in beta. City of Los Angeles is the first supported real-data jurisdiction. Reports are human-reviewed before delivery. Local restriction checks are shown as screening signals only. Manual beta intake: christopherarivero@gmail.com
Submit an address. Get a source-cited screening snapshot.
Submit the address
Enter any City of Los Angeles address and your project type.
Real data is pulled
Parcel, zoning, hazard, and available land-use signals from verified public sources — not AI guesses.
Human review
A reviewer checks every fact and labels local restriction items as signals or human-review required.
48-hour delivery
Receive a source-cited screening snapshot. Not a permit, not legal advice, and still requires city verification.
DIY research
- —Weeks of municipal PDFs
- —Contradictory forum threads
- —Ends in a maybe
Architect opinion
- —4–6 week turnaround
- —Often a verbal opinion
- —Great later, for the design
GroundRules beta
The first step- Real parcel, zoning & hazard data, sources cited
- Human-reviewed before delivery
- LA-first beta + local restriction signals where available
Lenders, proptech & government — let's talk.
We're exploring API access and jurisdiction white-labeling with early partners. Not yet available — but if you're a lender, insurer, proptech, or municipality, reach out to get on the roadmap.