Check City Planning separately from LADBS for a Historic Preservation Overlay Zone (HPOZ) record. Los Angeles HPOZ review can exist without a building permit. An empty LADBS result leaves that separate file unanswered.
City Planning includes exterior changes such as paint and landscaping that may not require a building permit. Confirm that the property is in a City of Los Angeles HPOZ, since a mailing address alone leaves that status unclear.
Start with any case reference on the papers you already have. Keep the full number beside the property, the described feature and the date. If no number is available, identify the missing document before expanding the search: an application, a decision and a later signoff answer different questions.
Keep the review code with the document
City Planning’s Historic District Project Review guidance distinguishes four procedures by project scope and contributing designation. The table helps you reconcile an existing file; City Planning decides which procedure a project requires.
| Code on the file | Record check before using it |
|---|---|
| COA — Certificate of Appropriateness | Match the issued decision’s work description to the feature you are researching. |
| CCMP — Certificate of Compatibility | Compare the site and structure identifiers so you use only the decision for this project. |
| CWC — Conforming Work on a Contributing Structure | Retain that structure description and flag an attachment that describes a different building. |
| CWNC — Conforming Work on a Non-Contributing Structure | Keep this designation attached to its own case rather than transferring it to other work at the address. |
Preserve the issued decision or Letter of Determination, applicable appeal status, and any associated permit clearance separately. Check the appeal procedure for each of the four classes separately.
A document headed as an application establishes what was requested, not what the City ultimately decided. Read the actual decision’s scope and conditions with its referenced attachments. If one page is missing, write down its title or reference instead of reconstructing it from the applicant’s description.
Use the case-number route before guessing at an address search
The official PDIS Case Information and Documents page has a Case Number search. Use that route to look up the case. Copy the complete case reference from an existing letter or filing.
City Planning’s Case Reports page links case numbers to PDIS summaries and electronic documents. It also points to ZIMAS for property entitlement information. Neither route establishes that every HPOZ file or older attachment is available online.
If the number is incomplete, preserve the partial reference. Use a known address, parcel reference, year and work description as matching clues in an inquiry. A similar street name can point to a different case.
Keep three different problems distinct: the page failed to load; the search returned the wrong case; or the case appeared but the required attachment was missing. Record the system, date and exact gap. An access error says nothing about the property’s history.
A fictional file with the right address but the wrong scope
Imagine a fictional folder containing a January application describing a front-entry alteration, a March decision describing a rear addition, and an undated note saying the project was approved. Both dated papers show the same street address, but their case references differ.
Keep the January request and March outcome as separate entries in the approval timeline. First separate the two case numbers. Then ask for the issued decision and referenced attachments for the front-entry case. The rear-addition document can remain relevant property history without answering the front-entry question.
Suppose the supplied decision names drawing revision B, but the folder contains only revision A. Ask for the identified revision rather than treating the older drawing as the approved scope.
A later permit also needs a matching case or scope reference. Its date alone leaves it unconnected to either Planning file. Preserve the unresolved link instead of merging favorable labels.
Request the missing Planning record, including older material
Use City Planning’s California Public Records Act request route for existing Planning records that are missing from the online file. Identify the case filing or document you need. Access restrictions may apply, and a copy may be unavailable or withheld.
A focused request can include:
- The complete case number, or the exact partial reference if that is all you have.
- The known property and structure identity, approximate year and specific work description.
- The named missing item: issued decision, referenced attachment, applicable appeal record or associated clearance.
- The file or page already checked and the precise problem encountered.
Ask for the existing record rather than a new conclusion about all work. If the office reports no copy, keep the response and its search scope, and apply it only to that department and period.
For the separate building-record question, use the Los Angeles building-permit search guide. Its LADBS record periods apply to LADBS files; the Planning archive has its own. If you obtain a permit, the final-inspection status guide helps distinguish its later inspection outcome from its issuance.
A Planning decision does not prove building-permit issuance, completed inspections, occupancy approval or present safety. A missing online copy does not prove the opposite.
Los Angeles City Planning and LADBS pages checked October 6, 2026.