Building Permits
Building Permits are required for new constructions, additions, alterations, and demolition/removal of a building or structure.
About Building Permits
Building plans shall be filed and approved by the Department (as a Building Plan Check) before any permit is issued for the following:
- New building or structure
- Addition to building
- Structural alteration to building or structure
- Interior modification and change of floor plan
- Change of use and/or occupancy
- Parking layout change
- Use-of-land, such as recycling deposit center, open air storage, outdoor temporary events
- Signs and sign structures
- Fences, retaining walls and shoring plans
For more information on the Plan Check process, visit our Express Permit, Regular Plan Check and Counter Plan Check pages.
Additional Resources
Find Building Permit-related PDFs and forms here. For more options, visit our Forms and Publications page.
- Code Amendment
- Forms & Applications
- Information Bulletins
- Requests for Modifications
- Standard Correction Lists
Filtered categories:
Structural Design Requirements (Seismic Provisions) for Existing Building Converted to Joint Living and Work Quarters
IB/P/BC 2011-110
- Effective
Sound Insulation Requirements for Noise Sensitive Structures Near Los Angeles International Airport
IB/P/BC 2014-074
Roofing Requirements for Wood Shakes and Shingles
IB/P/BC 2017-013
- Effective
Fire Retardant Roof Coverings for Open Walking Decks and Space Roof Construction
IB/P/BC 2017-023
Onsite Wastewater Treatment System (OWTS) (Residential)
IB/P/BC 2017-027
Exemptions from Liquefaction, Earthquake Induced Landslide, and Fault-rupture Hazard Zone Investigations
IB/P/BC 2017-044
- Effective
Filtered categories:
Guidelines for Plan Check and Permit Requirements for Interim Motel (Hotel) Conversion Projects
IB/P/ZC 2023-020
Guidelines for Plan Check and Permit Requirements for Solar Energy Systems
IB/P/GI 2023-027
- Effective
Guidelines for Submitting Haul Route Applications with Import or Export Amounts Greater than 1,000 Cubic Yard
IB/P/BC 2023-134
- Effective
Guidelines for the Issuance of Certificates of Occupancy for Commercial or Residential Core & Shell Buildings
IB/P/BC 2023-122
- Effective
Guidelines for Use and Permitting of Accessory Dwelling Unit - Movable Tiny House
IB/P/ZC 2023-021
Guidelines for Use and Permitting of Accessory Dwelling Unit - Movable Tiny House
IB/P/ZC 2023-021
Guidelines for Vehicle Sales Use of Land Permit
IB/P/BC 2023-107
- Effective
Filtered categories:
Guidelines for Plan Check and Permit Requirements for Interim Motel (Hotel) Conversion Projects
IB/P/ZC 2023-020
Guidelines for Plan Check and Permit Requirements for Solar Energy Systems
IB/P/GI 2023-027
- Effective
Guidelines for Submitting Haul Route Applications with Import or Export Amounts Greater than 1,000 Cubic Yard
IB/P/BC 2023-134
- Effective
Guidelines for the Issuance of Certificates of Occupancy for Commercial or Residential Core & Shell Buildings
IB/P/BC 2023-122
- Effective
Guidelines for Use and Permitting of Accessory Dwelling Unit - Movable Tiny House
IB/P/ZC 2023-021
Guidelines for Use and Permitting of Accessory Dwelling Unit - Movable Tiny House
IB/P/ZC 2023-021
Guidelines for Vehicle Sales Use of Land Permit
IB/P/BC 2023-107
- Effective
Filtered categories:
Guidelines for Plan Check and Permit Requirements for Interim Motel (Hotel) Conversion Projects
IB/P/ZC 2023-020
Guidelines for Plan Check and Permit Requirements for Solar Energy Systems
IB/P/GI 2023-027
- Effective
Guidelines for Submitting Haul Route Applications with Import or Export Amounts Greater than 1,000 Cubic Yard
IB/P/BC 2023-134
- Effective
Guidelines for the Issuance of Certificates of Occupancy for Commercial or Residential Core & Shell Buildings
IB/P/BC 2023-122
- Effective
Guidelines for Use and Permitting of Accessory Dwelling Unit - Movable Tiny House
IB/P/ZC 2023-021
Guidelines for Use and Permitting of Accessory Dwelling Unit - Movable Tiny House
IB/P/ZC 2023-021
Guidelines for Vehicle Sales Use of Land Permit
IB/P/BC 2023-107
- Effective