Permits at 121 N MATHEWS ST

17 permits on file · Los Angeles, CA · from the official municipal record

23030-10002-07489 Submitted

*** Attn: Vu Nguyen and Eugene Barbeau emailed on 09/09/2026 *** Supplemental Grading Permit to #23030-10000-07489 to update/coordinate Civil Grading backgrounds to Architectural permit set. Coordinate rear alley building footprint/backgrounds including side yard stairs up to alley. · 2026-09-10

23010-10008-03864 Quality Review Completed

Attn: Vu Nguyen Supplemental Permit to 23010-10000-03864 to add a 2-Hour Fire Rated Chase along the Exterior wall for Electrical Conduit placement · 2026-09-03

INSTALLATION OF ONE HYDRAULIC ELEVATOR · 2026-09-03

Supplemental to 23010-10000-03864 to change the structural engineer of record for the project. · 2026-08-19

23044-10003-29952 Corrections Issued

REVISION TO PREVIOUSLY APPROVED PLAN 23044-10000-29952. ADDITION OF OSA AND EXHAUST. · 2026-08-12

[ePlan] Smoke detectors removed from apartment plans (already included in fire alarm plans). Addition of methane ventilation fan circuit. *** Applicant work description below: ***REMOVE SMOKE DETECTORS FROM ELECTRICAL UNIT PLANS PER INSPECTORS REQUEST. LOW FREQUENCY SMOKE DETECTOR SYSTEM INCLUDED ON FIRE ALARM PLANS. ADD METHANE FANS/CONTROL PANEL TO 1ST FLOOR PLAN.UNIT FEEDERS RELOCATED IN STUCCO SHAFT · 2026-08-10

Two way communication system · 2026-07-21

Surveillance cameras · 2026-07-13

Install 20 camera and 20 doorbell Install 40 smart panel per spectrum · 2026-07-10

SUPPLEMENTAL PERMIT TO #23044-10000-29952 TO TRANSFER PERMIT FROM VT HEATNG AC, LICENSE #725895 TO ATA HEATING & AIR CONDITIONING INC, LICENSE #876392. · 2026-07-02

[EPLAN] NEW FIRE ALARM SYSTEM WITH (1) FACP AND (176) FA DEVICES. · 2026-04-22

[EPLAN] METHANE DETECTION SYSTEM. (1) CONTROL PANEL AND (83) DEVICES. · 2026-03-04

REVISION TO PREVIOUSLY APPROVED PLAN 23044-10000-29952. REVISED PTAC UNITS AND ADDED AC UNIT. INCLUDES A2L REFRIGERANT. · 2026-02-25

METHANE MITIGATION SYSTEM LEVEL V. · 2025-07-11

E-plan. New 1200 amps 120/240V 3P4W electrical service, new power and lighting for new affordable apartment building. · 2025-05-13

INSTALLATION OF GENERAL HVAC. INCLUDES ENVIRONMENTAL VENTILATION. · 2025-05-09

POTABLE WATER WITH 2" WATER METER, NO BACKFLOW, WASTE/VENT AND RAINWATER SYSTEMS."COMPLY WITH DEPARTMENT ORDER effective date07/08/2024. PERMIT WILL EXPIRE 30 DAYS FROM ISSUANCE DATE". · 2025-05-09

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