Use Los Angeles City Planning ZIMAS only after confirming that the parcel is inside the City of Los Angeles. Match the address to the APN and parcel outline, save the complete zoning string and every listed planning layer, then follow the code path shown for that property. ZIMAS is a research starting point, not approval for a use or project.
Confirm the jurisdiction before you search
A Los Angeles mailing address does not prove that a parcel is governed by the City of Los Angeles. It may be in another incorporated city or in unincorporated Los Angeles County. ZIMAS covers properties in the city. If the address is outside the city, use the LA County Z-NET guide or the planning portal for the correct incorporated city instead of forcing the address into ZIMAS.
| What you know | Correct next step | Do not assume |
|---|---|---|
| Parcel is in the City of Los Angeles | Open ZIMAS | That the first zone label is the complete rule set |
| Parcel is in unincorporated LA County | Use Z-NET and county records | That City of Los Angeles codes apply |
| Jurisdiction is still unclear | Confirm the municipality and APN before interpreting zoning | That the postal city identifies the planning authority |
Search by address, intersection, APN, or case number
City Planning says ZIMAS can search by property address, street intersection, Assessor Parcel Number, case number, community plan area, council district, legal description, and map sheet. Start with the address, but switch to the APN when the result points to a shopping center, corner site, vacant land, condominium complex, or several nearby parcels. The highlighted geometry should match the land being reviewed, not merely the address marker.
For a site that spans more than one parcel, run each APN separately. Keep the resulting property reports together and ask City Planning how a combined project site is treated. The general zoning lookup by address guide explains why parcel matching comes before code interpretation.
Save the parcel identity and the full zoning string
Do not copy only a familiar label such as R1 or C2. Record the address, APN, community plan area, complete zone string, general plan land-use designation, and report date. Prefixes, height districts, limitations, overlays, specific plans, and supplemental use districts can change the answer. The Original Code overview explains how its zone strings combine these parts.
- Confirm the address, APN, and highlighted parcel outline.
- Copy the entire zone string rather than the base district alone.
- Save every listed specific plan, overlay, supplemental district, and zoning information file.
- Record planning case and permit numbers that may affect the proposed use or project.
- Download or print the report with the lookup date visible.
Choose Chapter 1 or Chapter 1A for this property
Los Angeles currently has two zoning-code frameworks. City Planning identifies the Original Zoning Code as Chapter 1 and the New Zoning Code as Chapter 1A. The Chapter 1A overview states that the new system applies in the Downtown Community Plan Area and rolls out through later Community Plan updates; the Original Code continues in areas that have not transitioned. Use the property-specific code path shown by the city rather than guessing from a neighborhood name.
The two systems organize regulations differently. A Chapter 1 zone string and a Chapter 1A zoning report should not be decoded with the same shorthand. The New Zoning Code FAQ directs users to determine which code applies to the property before reading the regulations.
Follow every layer, case, and condition
After choosing the code, open each property-specific layer listed in ZIMAS. A specific plan, overlay, supplemental district, Q condition, D limitation, or prior case can add rules or procedures beyond the base district. Use the zoning overlays and special districts guide to build a layer inventory, and the variance and zoning change records guide when a case number appears.
A case or permit link is evidence of a record, not proof of final approval. Open the record and read its status, effective date, conditions, approved plans, amendments, and any later action. Save the exact documents relied upon. For a business use, also compare the use definition and table with the commercial property zoning check rather than relying on a broad district description.
What a ZIMAS report cannot confirm
ZIMAS does not issue a permit, certify a boundary, guarantee that a use is lawful, or replace a survey, title review, building-code check, fire review, license, or written planning determination. The city’s regulations summary also warns that general materials do not account for every requirement unique to a property. When the decision affects a purchase, lease, financing, or construction scope, ask the responsible city office what written confirmation is available for the precise question.
Los Angeles ZIMAS questions
Why does my Los Angeles address return no ZIMAS parcel?
Confirm the jurisdiction first. The property may be in unincorporated LA County or another incorporated city. If it is in the City of Los Angeles, retry with the APN or intersection and compare the parcel outline.
Is Chapter 1A now used everywhere in Los Angeles?
No. City Planning says Chapter 1A applies where the New Zoning Code has been implemented through the relevant Community Plan, while Chapter 1 remains applicable elsewhere. Follow the property-specific city result.
Does a listed planning case make the proposed use legal?
No. Read the actual decision, status, conditions, approved plans, amendments, and expiration terms. A search result showing that a case exists is not the same as a current entitlement for a different proposal.
Official Los Angeles city and county source pages were checked July 28, 2026.