← CalcBuild

Garage Build Calculator

📐 Garage Build Calculator
Result
Floor Area
Concrete Needed

📖 How It Works

Building a garage involves site prep, concrete, framing, roofing, siding, electrical, and possibly plumbing. Sequence: Foundation > Framing > Roof > Exterior > Electrical > Interior.

💡 Pro Tip: Run electrical conduit under the slab BEFORE pouring concrete. Adding floor outlets later is extremely expensive.

❓ Frequently Asked Questions

+How much does a garage cost to build?
A detached 2-car garage (24x24) costs $25,000-$45,000 depending on finishes, electrical, and local labor rates.
+Do I need a permit?
Yes. A detached garage requires a building permit in virtually every jurisdiction. You also need to meet setback requirements.
+How thick should the slab be?
5-6 inches with wire mesh or rebar. Pour on 4 inches of compacted gravel with a vapor barrier.
+How long does it take?
A basic detached garage takes 2-4 weeks for a crew of 2-3. Add time for permits, concrete curing, and inspections.