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GARAGE DOORS

Detached Garage Cost Calculator

Estimate the cost of building a detached garage by area, finish and options.

JOB INPUTS

Enter your numbers

Loading saved values

Garage footprint in sq ft

sq ft
Garage footprint in sq ft

Masonry, wood or metal kit

Masonry, wood or metal kit

Number of doors

Number of doors

Hookup and lighting

Hookup and lighting
Results update automatically
CALCULATED RESULTUSD
Estimated total cost$25,054.00
Structure$22,000.00
Garage door(s)$1,854.00
Electrical$1,200.00
FORMULA USED400 sq ft × $55.00 + doors + electrical = $25,054.00

HOW TO USE IT

How to use the Detached Garage Cost Calculator

  1. 1

    Enter the garage area in sq ft.

  2. 2

    Choose the finish (masonry, wood or metal kit).

  3. 3

    Set the number of doors and electrical.

  4. 4

    Review the total cost.

THE MATH

Detached garage cost formula

Total = area × rate + doors + electrical

A masonry garage runs ~$55/sq ft, wood ~$30 and a metal kit ~$25. Each door adds ~$1,854 and electrical ~$1,200.

PRACTICAL EXAMPLE

400 sq ft, masonry, 1 door, with electrical

Structure = 400 × $55 = $22,000. Door = $1,854. Electrical = $1,200. Total ≈ $25,054.

FAQ

Frequently asked questions

How much does a detached garage cost in 2026?

Nationally, $40-$70/sq ft depending on finish.

Masonry, wood or metal kit?

Masonry is durable and pricey; wood is attractive; metal kits are cheapest.

Do I need a permit?

Yes, above certain sizes — check local building permits.