Mechanical HVAC Inspection
Provides inspection services for all commercial and industrial buildings, and verifies compliance with the Mechanical code.
About Inspection
LADBS is responsible for inspections of all Heating, Ventilation, Air Conditioning, Refrigeration and Fire Life Safety Testing for Mechanical systems, including stairwell pressurization and smoke control smoke evacuation systems installed in all commercial, mixed use and multifamily buildings.
Additional Resources
- Code Amendment
- Forms & Applications
- Request for Modification
Filtered categories:
Definition of "Commenced Construction" and Similar Phrases
IB-P-GI-2026-016
- Effective
Submittal Requirements for One-Story Addition to Residential Buildings for Over-The-Counter Plan Check
IB/P/GI 2026-020
- Effective
Requirements for Changing the Use of Existing Building
IB/P/GI 2026-021
- Effective
General Notes for Single-Family Dwelling
IB/P/GI 2026-022
- Effective
List of Common Acronyms and Abbreviations Used by the City of Los Angeles Department of Building and Safety (LADBS)
IB/P/GI 2026-023
- Effective
Instructions for Preparing and Recording Covenants with the Los Angeles County Recorder's Office
IB/P/GI 2026-024
- Effective
How to Obtain Copies of City of Los Angeles Ordinances
IB/P/GI 2026-025
- Effective
Document Submittal Requirements for a New Accessory Dwelling Unit (ADU) Standard Plan
IB/P/GI 2026-032
- Effective
Covid-19 - Emergency Tolling of Deadlines Related to Expiration of Permits and Related Documents
IB/P/GI 2026-033
- Effective
Filtered categories:
Plan Check Correction Sheet for Methane Mitigation Systems
CL-PC-2026-003
- Effective
Plan Check Correction Sheet for Methane Mitigation Systems (2023)
PC/MECH/Corr.Lst.112-2023
Plan Check Correction Sheet for NFPA 13 (2025 Edition) Fire Sprinkler Systems for Automated Mechanical Parking Lifts (Car Stackers)
CL-PC-2026-014
- Effective
Plan Check Correction Sheet for NFPA 13D Installation of Sprinkler in Dwellings and Manufactured Homes (2025 Edition)
CL-PC-2026-009
- Effective
Plan Check Correction Sheet for NFPA 13 Installation of Sprinkler Systems (2025 Edition)
CL-PC-2026-008
- Effective
Plan Check Correction Sheet for NFPA 13R Installation of Sprinkler In Low-Rise Residential Occupancies (2025 Edition)
CL-PC-2026-010
- Effective
Plan Check Correction Sheet for NFPA 14 Installation of Standpipe Systems (2024 Edition)
CL-PC-2026-011
- Effective
Plan Check Correction Sheet for NFPA 20 Installation of Fire Pump Systems (2025 Edition)
CL-PC-2026-012
- Effective
Plan Check Correction Sheet for NFPA 22 Water Tanks for Fire Protection (2023 Edition)
CL-PC-2026-013
- Effective
Plan Check Correction Sheet for Non-Potable Rainwater Catchment System
CL-PC-2026-006
- Effective