Garage Conversion Cost Calculator
Garage Conversion Cost
Estimate the cost of converting a garage into livable space such as a bedroom, office, or apartment
sq ft
Formula
Total = Walls + Insulation + Flooring + Door + Electrical + HVAC + Bathroom + Kitchen + Permits
Frequently Asked Questions
How much does a garage conversion cost?
A basic garage conversion costs $10,000 to $25,000. Adding a bathroom increases costs by $8,000 to $15,000. A full ADU with kitchen and bath can cost $30,000 to $70,000.
Do you need a permit to convert a garage?
Yes, most jurisdictions require building permits for garage conversions. You will typically need to meet building codes for egress, ceiling height, insulation, and electrical.