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30×40 Detached Garage Cost in Columbus, GA (2026)

A 30×40 detached garage in Columbus, GA costs about $51,066 turnkey in 2026 ($42.56 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

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30×40 ft, 10 ft walls (1,200 sq. ft.)

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What does the $9.99 spec sheet add? ↓
Materials Package
$20,636
Studs, trusses, sheathing, shingles, siding & doors
= Rows 3–7 below, materials only
Slab & Site Prep
$9,600
Grading, thickened-edge footing & concrete floor
= Rows 1–2 below, installed price
Turnkey Installed Total
$51,066
$42.56 per sq. ft.
Complete garage built by a local licensed crew
= All rows below, installed price

Prices updated Oct 2026

A fair bid from a local builder in Columbus, GA should land between $43,406 and $61,279, about 15% below to 20% above this estimate. Quotes for the same building can vary widely, so get 3 quotes on the same spec. If one is outside this range, ask what it includes or leaves out.

Reference wind speed for this area: not listed here. Wind values here are reference figures for pricing. Confirm the design wind speed with your local building department or engineer.

Estimate only. Actual prices vary. No guarantee or warranty. Use as a guide only. Read the full disclaimer

Itemized cost breakdown

#ItemQuantityMaterialsLaborInstalled
1Site grading & padClear, level & compact the building pad1,496 sq ft$566$799$1,638
24" slab with thickened-edge footing3,000 PSI concrete, rebar, vapor barrier, forms21.4 cu yd$4,021$2,614$7,962
32×6 wall framing & sheathing129 studs, treated plates, headers, 7/16" OSB129 studs + 48 sheets$2,330$4,066$7,675
4Roof trusses & roof sheathing21 trusses at 24" on center, 6/12 pitch, OSB decking21 trusses + 47 sheets$4,540$2,033$7,888
5Architectural shingles & lap sidingArchitectural shingles (warranty terms vary by manufacturer), synthetic underlayment, engineered-wood lap siding & trim15.0 squares + 1,513 sq ft$6,784$4,453$13,484
6Garage & entry doorsDetails in the spec sheet🔒 Included in $9.99 spec sheet——🔒
7Basic electricalDetails in the spec sheet🔒 Included in $9.99 spec sheet——🔒
8Permit, nails/hardware & dumpsterDetails in the spec sheet🔒 Included in $9.99 spec sheet——🔒
Turnkey total$26,557$15,998$51,066

The totals above already include every row, including the 🔒 rows. The $9.99 spec sheet lists them item by item with quantities.

What do these terms mean?
  • Turnkey total: materials, site work and a crew to build it, all in one number.
  • PSI: a concrete strength rating.
  • Vapor barrier: plastic sheeting under the slab that keeps ground moisture out.
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Prices use 2026 material costs and typical local crew rates. Site work, custom options and material price swings can move your final price.

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Builder Spec Sheet & Shopping List

A sheet for comparing 3 builder bids line by line, and a builder-ready spec so every builder prices the same building.

  • Every line item on this page, including the 🔒 rows, in an editable Excel file and a PDF (spec, quantity, materials, labor and installed price)
  • A permit and site-prep checklist

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Common questions

How much does a 30×40 Detached Garage cost in Columbus, GA?

About $51,066 fully built by a local crew in 2026, or roughly $20,636 for the materials kit alone. Most fair bids land between $43,406 and $61,279.

What drives the price up or down?

Site prep (slope, soil, driveway access), floor choice, doors and insulation, and local labor rates. Lumber and steel prices also move a few percent a year.

Do I need a permit?

Permit requirements vary by county and city. Check with your county or city building office before you build.

How do I make sure I'm getting a fair quote?

Get at least 3 itemized bids for the same spec. Compare them line by line against this breakdown and ask about anything far above or below it.

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