Converting a garage into an Accessory Dwelling Unit (ADU) can be beneficial. But before you start, knowing how much it might cost you is essential. Money matters! On average, you might expect to spend anywhere from $80,000 to $250,000 or more for a garage conversion to an ADU.
However, this blog post will feature the cost breakdown, discuss the factors affecting the cost of turning a garage into an ADU, and guide you on reducing your Garage to ADU conversion cost. We’ll break it down so you can better understand and plan your budget. Let’s dive in!
Cost Breakdown by Phases
Phase 1: Planning and Design Costs: During this phase, you’ll need to hire an architect or designer to create the plans and designs for your ADU. The cost can range from $1,500 to $10,000, depending on the complexity of the project and the professional you choose to work with.
Phase 2: Permitting and Approval Costs: Before starting the conversion, you must obtain permits and approvals from your local building department. The cost for this can vary depending on your location and the specific requirements, but it typically ranges from $1,000 to $5,000.
Phase 3: Demolition and Construction Costs: This phase includes demolishing existing garage structures and starting with the new ADU garage conversion. The cost can vary based on factors such as the size of the garage, the materials used, and the level of customization. On average, you can expect to spend between $50,000 and $150,000 for this phase.
Phase 4: Furnishing and Finishing Costs: Once the construction is complete, you must furnish and finish the ADU. This includes installing fixtures, appliances, and any necessary interior finishes. The cost for furnishing and finishing an ADU can range from $5,000 to $30,000, depending on your preferences and the quality of materials you choose.
Phase 5: Additional Costs and Contingencies: It’s always a good idea to budget for unexpected expenses and contingencies. These could include unforeseen structural issues, additional permits or inspections, or changes in design. Set aside an additional 10-20% of your total budget for these contingencies.
Additional Costs to Consider
Costs for Utilities and Services: When converting a garage into an ADU, you must consider the costs of connecting utilities such as electricity, water, and sewer. These costs can vary depending on location and the distance from existing utility connections to your ADU.
Permit Fees and Inspections: In addition to the permitting and approval costs mentioned earlier, you may also need to pay for additional permit fees and inspections throughout the construction process. These fees can vary depending on your location and the specific requirements of your local building department.
Architectural and Engineering Fees: In addition to the planning and design costs, you may incur additional fees for architectural and engineering services during construction. These professionals can help ensure your ADU meets all the necessary structural and safety requirements.
Professional Services Costs: You’ll need to budget for their services if you hire professionals to assist you with the conversion process, such as a general contractor or a project manager. The cost can vary depending on the scope of their involvement and your location.
Maintenance and Upkeep Expenses: Once your ADU is complete, you must consider the ongoing maintenance and upkeep expenses. This can include regular cleaning, repairs, and any necessary upgrades or renovations in the future.
Factors Affecting the Cost of Garage Conversion
Size and Condition of the Garage: The size and condition of the existing garage play a significant role in determining the cost. Converting a more oversized garage or one in poor condition may require more extensive renovations and incur higher costs.
Level of Modifications and Upgrades: The cost will naturally increase if you plan to make significant modifications or upgrades to your ADU, such as adding a bathroom or expanding the living space. The complexity and scale of the changes will impact the overall price.
Local Building Codes and Regulations: Your local building codes and regulations will also affect the conversion cost. Some areas may have specific requirements that must be met, such as accessibility features or energy efficiency standards, which can add to the overall cost.
Location and Accessibility: The location and accessibility of your property can influence the cost of the conversion. Factors such as site accessibility, transportation of materials, and labor availability can impact the overall price.
Labor and Materials Costs in the Area: The cost of labor and materials can vary depending on the location. Areas with higher labor and material costs will naturally result in a higher overall price for the conversion.
Ways to Reduce the Costs of Converting a Garage to an ADU
Repurposing Existing Materials and Furniture
Consider repurposing existing materials and furniture from your garage or other parts of your home. This can help you save money on purchasing new items and reduce waste.
DIY vs Hiring a Professional
Depending on your skills and experience, you may be able to handle certain aspects of the conversion yourself, such as painting or installing fixtures. However, for more complex tasks, hiring a professional is advisable to ensure the work’s quality and safety.
Exploring Affordable Construction Alternatives
Research and explore affordable construction alternatives. This includes comparing prices from different suppliers and contractors and considering alternative building methods or materials that may be more cost-effective.
Maximizing Space Efficiency
To minimize costs, optimize the layout and design of your ADU to maximize the use of available space. This can help you avoid unnecessary construction and reduce material and labor costs.
Investing in Energy-Efficient Features
While it may require an initial investment, incorporating energy-efficient features such as insulation, LED lighting, and energy-efficient appliances can help you save on long-term utility costs.
