Garage Construction Cost (2026)
By the Home Repair One data team · Updated July 2026 · Ranges from our estimator engine
Short answer: In 2026, a new garage typically runs $13,750–$77,000. A 1-car around 240 square feet is about $13,750–$20,000. A typical 2-car lands $23,000–$34,000 at standard finish. A 3-car can reach $34,000–$51,000, and a custom finish on that size can approach $77,000. Electrical, plumbing, insulation, or a room above is extra. A garage is a structure: permits, foundation, and inspections are part of the job.
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Garage cost by size
One, two, or three cars. Here are 2026 national ranges at standard finish from our cost model.
| Scope | Typical range |
|---|---|
| 1-car (~240 sq ft) | $13,750–$20,000 |
| 2-car (~400 sq ft) | $23,000–$34,000 |
| 3-car (~600 sq ft) | $34,000–$51,000 |
Standard versus custom
Matching the house siding, adding a workshop, or finishing the interior moves the number. Here is a typical 2-car across standard and custom tiers.
| Material / finish | Typical range |
|---|---|
| Standard build | $23,000–$34,000 |
| Custom / premium | $34,000–$51,000 |
Attached versus detached
Attached garages can share a wall and utilities, but roofline tie-ins vary. Detached gives placement flexibility. Either way, a licensed GC handles foundation, permitting, and zoning setbacks.
What changes your price
- Size: one, two, or three cars.
- Detached versus attached, and foundation type.
- Finished interior, electrical, plumbing, or a room above.
- Site prep, permits, and matching the home's exterior.
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FAQ
How much does it cost to build a garage?
A 1-car starts near $13,750. A typical 2-car is about $23,000–$34,000. A 3-car custom build can reach $77,000. Electrical, plumbing, or a room above raises it.
Attached or detached garage, which costs more?
Attached can be cheaper by sharing a wall and utilities, but site and roofline tie-ins vary. Detached gives placement flexibility. A GC prices your lot and goals.
Do I need a permit to build a garage?
Yes. A garage needs permits for foundation, framing, and any electrical or plumbing, plus zoning and setback checks. A licensed GC handles that.