Los Angeles County Superior Court — Stanley Mosk Courthouse… — CA · BenchPath

Los Angeles County Superior Court — Stanley Mosk Courthouse, Department 534 (Judge Lawrence P. Riff): Courtroom Information

High confidence· verified September 29, 2026Judge PreferencesCourtroom Information, Stanley Mosk Courthouse, Department 534, Superior Court of California, County of Los Angeles; served by the court's Courtroom Information application (https://www.lacourt.ca.gov/apps/courtroom-information) at https://www.lacourt.ca.gov/web3/courthouse/api/courthouses/courtroom-information/courthouse/LAM/courtrooms/534/documents, fetched 2026-09-29.

Summary

Department 534's courtroom information (Stanley Mosk Courthouse), the Supervising Judge of Civil Courts' master calendar department: the master calendar and trial court assignments; cases assigned to the judge for all purposes; ex parte applications (8:30 a.m., Monday through Friday); master calendar motions (every Thursday at 8:30 a.m.) and the motions that may be scheduled there; notices of related cases; reassignment of cases; temporary judge and judicial reference stipulations; vexatious litigants; submitting trial-ready cases for assignment to a trial court; voter confidentiality petitions; Safe at Home name change applications; inspection warrants; complex cases; and complaints about judicial officers.

Applies to

California > Second Appellate District > Los Angeles County > Superior Court of California, County of Los Angeles > Stanley Mosk Courthouse > Department 534

Source of truth

COURTROOM INFORMATION Department 534 Stanley Mosk Courthouse | 5th Floor, Room 534 | (213) 633-0601 Judge Lawrence P. Riff, Supervising Judge of Civil Courts Courtroom Staff: Cecilia Guerrero, Judicial Assistant Rosalie M. (“May”) Cruz, Courtroom Assistant Courtroom and Phone Hours: 8:30 a.m. – 12:00 p.m. 1:30 p.m. – 4:30 p.m. MASTER CALENDAR – TRIAL COURT ASSIGNMENTS: Department 534 serves as a M

Official source: Superior Court of California, County of Los Angeles — Courtroom Information (courtroom information sheets)
Source health: Healthy · checked September 29, 2026
Effective date: —
Last verified: September 29, 2026benchpath-ca-t3-los-angeles-2026-09-29

Reviewer note: Composed 2026-09-29 (California T3 Los Angeles build 2026-09-29) from BenchPath custody ca/t3/ca-los-angeles/dept/CourtroomInformation_LAM_534.pdf (236828 bytes, sha256 ca4339b665169bd99ebd8861442a6adfe773affbea79324e92557cabb04823bf; 5 pages) with the shared verbatim composer (v2 reflow, drawn-glyph reading): page numbers, pleading line numbers and running headers or footers removed as chrome; lines reflowed into the sheet's paragraphs; proof 1 (whitespace-only), proof 2 (same character multiset as the text layer minus chrome) and proof 3 (same characters as the glyphs drawn on the page) all pass. Attached to Judge Lawrence P. Riff: the sheet names the judicial officer, and the court's Courtroom Information application and Judicial Officer Search both place Judge Lawrence P. Riff in Department 534 of the Stanley Mosk Courthouse.