LA County Garage Permit Requirements: Build & Remodel Guidelines

Joan Aug 08, 2026

When it comes to parking your vehicle in Los Angeles County, there are specific garage requirements you should be aware of. These regulations, set by the Los Angeles County Building and Safety Department, ensure safety and accessibility for all residents and visitors. We've compiled a comprehensive guide to help you understand these requirements and maintain your garage up to code.

the diagram shows how to build a garage for under $ 10, 000 per square foot
the diagram shows how to build a garage for under $ 10, 000 per square foot

Whether you're building a new garage, remodeling an existing one, or simply performing routine maintenance, this article will provide you with essential information to help you stay compliant with LA County's garage requirements.

la county garage requirements
la county garage requirements

Garage Floor Plans and Dimensions

The Building and Safety Department has established minimum size requirements for garages to ensure adequate space for vehicles and safe egress in case of emergencies.

the cost of garages is shown in this graphic
the cost of garages is shown in this graphic

Garage floors must be at least 10 feet wide by 22 feet long, allowing for a minimum turning area of 8 feet in diameter. Additionally, garages must provide a minimum clear ceiling height of 7 feet, with 8 feet being the recommended standard to accommodate most vehicles.

Vehicle Parking Space

2026 Two-Car Garage Size and Price Guide [+ Floor Plans]
2026 Two-Car Garage Size and Price Guide [+ Floor Plans]

Garages are required to provide parking space for at least as many vehicles as the number of bedrooms in the residence, up to a maximum of three vehicles.

For example, a three-bedroom house should have parking for at least three vehicles. However, if the garage is used for storage and does not accommodate vehicles, additional off-street parking may be required.

Accessory Structures

Standard Garage Dimensions For 1, 2, 3, 4 Car Garages and Much More
Standard Garage Dimensions For 1, 2, 3, 4 Car Garages and Much More

LA County allows accessory structures, such as sheds or workshops, to be built within the garage or as separate structures in the backyard. However, these structures must meet specific setback requirements and cannot exceed a maximum size of 120 square feet, with a height limit of 9 feet.

These structures must be designed and constructed to withstand the loads of snow, wind, and earthquakes, and they must not be used for habitation or storage of materials that pose a fire hazard.

Garage Doors and Openings

Standard Height of a Garage: Measurements & Guide
Standard Height of a Garage: Measurements & Guide

Garage doors play a crucial role in the safety and accessibility of your garage. LA County has established specific requirements for garage doors to ensure they function properly and provide adequate egress in case of emergencies.

Garage doors must be at least 7 feet wide by 7 feet high, with a minimum clear opening of 7 feet wide by 6 feet 10 inches high. Additionally, garage doors must be equipped with automatic closers that can be overridden manually and safety sensors that stop the door if an obstruction is detected.

the floor plan for a parking garage
the floor plan for a parking garage
la county garage requirements
la county garage requirements
an overhead view of the top and bottom half of a car with four different views
an overhead view of the top and bottom half of a car with four different views
Turn Chaos into Cool: 19 Genius Garage Remodel Ideas
Turn Chaos into Cool: 19 Genius Garage Remodel Ideas
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Ultimate Garage Organization System: 2025 Storage Guide
the garage floor plans are shown for all types of vehicles and their size, from top to bottom
the garage floor plans are shown for all types of vehicles and their size, from top to bottom
the floor plan for a three car garage
the floor plan for a three car garage
Zoning Your Garage for Multiple Functions
Zoning Your Garage for Multiple Functions
Garage Size Chart: Our Complete Guide
Garage Size Chart: Our Complete Guide
four different types of parking meters are shown in black and white, as well as the measurements
four different types of parking meters are shown in black and white, as well as the measurements
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The Exact System to Stop Your Garage Becoming a Storage Room
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A Garage Layout That Makes Room for Everything
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How to Choose the Right Installation Site for Your Garage?
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How to Choose the Right Garage for Your Budget
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Garage Upgrades Ranked: What Actually Makes the Biggest Difference?
Garage Upgrades Ranked: What Actually Makes the Biggest Difference?
Free Garage Plans | Sheds Unlimited
Free Garage Plans | Sheds Unlimited
three car garage plans with the measurements
three car garage plans with the measurements
Garage Upgrades That Increase Your Home's Value
Garage Upgrades That Increase Your Home's Value
Garage remodel
Garage remodel

Emergency Exit Windows

In addition to the main garage door, at least one emergency exit window is required. This window must be at least 24 inches wide by 24 inches high, with a maximum horizontal distance of 36 inches from the garage floor. Emergency exit windows must be easily openable from the inside without the use of keys or tools.

For added safety, it's recommended to install a window well around the emergency exit window to provide a clear path for escape in case of an emergency. However, window wells must not protrude more than 24 inches into the garage and must be equipped with a ladder or steps if they extend more than 44 inches below the garage floor.

Mechanical Ventilation

To prevent the buildup of harmful gases, such as carbon monoxide, garages must be equipped with proper mechanical ventilation. This can be achieved through the use of forced-air systems, exhaust fans, or natural ventilation.

Forced-air systems typically involve the use of a duct system that draws fresh air into the garage while expelling stale air through an exhaust fan. Exhaust fans must be a minimum of 1/1500 of the floor area and should be located near the ceiling to maximize their effectiveness.

Suppose you're planning to build a new garage, remodel an existing one, or have any questions about LA County's garage requirements. In that case, it's always a good idea to consult with a professional architect, contractor, or visit the Building and Safety Department's official website for the most up-to-date information and guidance.

By understanding and adhering to these garage requirements, you can ensure the safety, accessibility, and longevity of your garage. Staying informed and proactive about maintenance and upgrades will help you maintain your garage up to code and provide you with a safe and functional space for years to come.