Garage Conversion Permit Cost:
A Comprehensive Guide for 2023

garage conversion permit cost


Garage conversions are becoming increasingly popular for homeowners looking to maximize their living space and increase property value.

Transforming a garage conversion ideas into a functional living area, such as an accessory dwelling unit (ADU) or home office, can be a cost-effective solution for expanding your home's footprint. However, before embarking on a garage conversion, it's essential to understand the costs associated with obtaining the necessary permits.

This article aims to provide a comprehensive guide to garage conversion permit costs, making the process more transparent and manageable for homeowners.

Permit cost

Understanding the Garage Conversion Permit Process

What Exactly is an ADU?

Before we discuss the costs associated with obtaining a garage conversion permit, it's crucial to understand the permit process. The following steps are typically involved in obtaining a garage conversion permit:

1. Research local building codes and zoning regulations

2. Consult with a professional architect or engineer

3. Prepare and submit the necessary documentation and plans

4. Obtain approval from the local building department

5. Pay the required fees

Permit Costs: Factors to Consider

When it comes to garage door conversion permit costs, several factors can influence the final amount you'll need to pay. These factors include:


The cost of permits varies depending on your location, as each city or county has its specific fee structure. Therefore, it's crucial to research the permit costs in your area to get an accurate estimate.

Scope of Work

The scope of your garage conversion project can significantly impact permit costs. For example, if your conversion involves structural changes, such as adding or removing walls, your permit fees may be higher than if you're only making cosmetic upgrades.

Required Inspections

Depending on the complexity of your existing garage conversion, you may need multiple inspections to ensure your project complies with local building codes. Each inspection may carry a separate fee, which can add to the overall permit cost.

Additional Permits

Some garage conversions may require additional permits, such as electrical, plumbing, or mechanical permits. These extra permits will also add to your overall permit cost.

Cost of Garage conversion permit

Average Garage Conversion Permit Cost

The average cost of a permit for converting a garage can range from $500 to $1,500 or more, depending on the factors mentioned above. To give you a better idea of the costs you might encounter, let's break down some of the fees associated with obtaining a permit for a converted garage with a specific square foot measurement:

Plan review fee: This fee covers the cost of the building department reviewing your submitted plans and documentation. It typically ranges from $200 to $500, depending on the complexity of the project and the municipality's fee structure.

Permit issuance fee: Once your plans have been reviewed and approved, you'll need to pay a fee to obtain the actual permit. This fee can vary from $100 to $500, depending on the location and the size of the project.

Inspection fees: During and after your garage conversion project, local building inspectors will need to visit your property to ensure that the work is being done according to the approved plans and complies with local building codes. Inspection fees can range from $200 to $500 or more, depending on the number of inspections required and the municipality's fee structure.

Estimating Garage Conversion Permit Costs

While it's challenging to provide a specific dollar amount for garage conversion permit costs due to the various factors at play, you can follow these steps to estimate your permit fees:

1. Contact your local building department to inquire about permit fees in your area. They can provide you with a fee schedule or direct you to the appropriate resources.

2. Determine the scope of your garage conversion project, and identify any additional permits you may need.

3. Consult with professionals, such as architects or contractors, to get a better understanding of the required permits and inspections for your project.

4. Add up the estimated fees for each permit and inspection to get a rough idea of your total permit cost.

Keep in mind that these estimates are only a starting point, and your final garage conversion cost may vary depending on your project's specifics.

Saving Money on Garage Conversion Costs

While permit costs are an unavoidable aspect of two car garage conversions, there are some ways to potentially save money on these fees:

• Research financial incentives or fee waivers offered by your city or county for garage conversions, particularly those that create affordable housing units.

• Consult with professionals early in the planning process to identify any potential issues or additional permit requirements that could increase costs.

• Bundle multiple permits into a single application, if possible, as this can sometimes reduce overall fees.

Pros and Cons of Garage Conversion Project (Permit Costs)


• Ensures your project meets safety standards and local regulations

• Increases the value of your home by adding legal, habitable square footage

• Protects you from fines, delays, or demolition due to unpermitted work


• Can be expensive, especially if professional fees are involved

• Requires time and effort to navigate the permit process and manage inspections

Conclusion - Garage Conversion Permit Cost

Understanding garage conversion permit costs is a crucial aspect of planning your garage conversion project. By considering factors such as location, scope of work, and required inspections, you can estimate your permit fees and better prepare for the financial aspect of your project.

Moreover, researching potential savings opportunities and consulting with professionals can help you navigate the permitting process more efficiently, ensuring a successful garage conversion that adds value to your home.

Don't hesitate to take advantage of Edri Construction's expertise in remodeling and construction services in San Francisco. As a renowned company, they handle all permit-related tasks at minimum costs, allowing you to focus on the exciting aspects of your project. Reach out to Edri Construction today to discuss your garage conversion plans and let their team of professionals guide you through the entire process with ease and confidence.

Experience the difference of working with a trusted and experienced construction partner that puts your needs and satisfaction first. Act now and turn your garage conversion dream into reality.

FAQs - Garage Conversion Permit Cost

Q: How much does a garage conversion permit cost?

The cost varies widely, from as little as $200 to over $2,000, depending on your location and the scope of your project. Check with your local building department for the most accurate information.

Q: Can I skip the permit process?

Skipping the permit process is not recommended. Unpermitted work can lead to fines, delays, or even demolition. Plus, it may negatively impact your home's value and make it difficult to sell in the future.

Q: How long does the permit process take?

The timeline can vary from a few weeks to several months, depending on the complexity of your project and the responsiveness of your local building department e.g:, Los Angeles local building dept.. Plan accordingly and be prepared for potential delays.