Cost of Building a Detached Garage
Constructing a detached garage involves various factors that influence the overall cost. From size and materials to location and design complexity, understanding these elements helps in accurate budgeting and planning for your project.

Larger garages require more materials and labor, significantly increasing costs.

Choosing premium materials for siding, roofing, and doors impacts the overall budget.

Clearing land, grading, and foundation work vary based on location and terrain, affecting expenses.
Cost Factor | Estimated Range |
---|---|
Basic Detached Garage (20x20 ft) | $15,000 - $25,000 |
Mid-Size Garage (24x24 ft) | $20,000 - $35,000 |
Large Garage (30x40 ft) | $35,000 - $60,000 |
Custom Design Features | $5,000 - $15,000 |
Electrical and Lighting | $2,000 - $5,000 |
The total cost of a detached garage can vary widely depending on the chosen specifications and site conditions. Basic models with standard materials tend to be more affordable, while custom designs and high-end finishes increase the investment. Factors such as local labor rates and permit fees also contribute to the final price. Planning ahead and obtaining detailed quotes from contractors can help manage your budget effectively.
Inside the garage, additional costs come from features like insulation, shelving, and specialized flooring. These enhancements improve functionality but add to the overall expense. Proper planning for these interior elements ensures your garage meets your needs without unexpected costs.

Adding insulation can range from $1,500 to $3,000, depending on size and materials.

Installing shelving units typically costs between $500 and $2,000.

Epoxy coatings or specialized flooring can cost from $2,000 to $5,000.
Service | Average Price |
---|---|
Basic Garage Construction | $15,000 - $25,000 |
Garage Door Installation | $1,000 - $3,000 |
Electrical Wiring and Outlets | $2,000 - $4,000 |
Interior Finishing | $3,000 - $8,000 |
Roof Replacement or Repair | $3,000 - $7,000 |
Insulation Installation | $1,500 - $3,000 |
Custom Windows | $800 - $2,500 |
Security System Setup | $500 - $1,500 |
Ventilation Systems | $1,000 - $2,500 |
Driveway Paving | $4,000 - $10,000 |