Cost to Detached Garage Construction in Atlanta, GA (2026)

If you’re budgeting a detached garage construction in Atlanta, most projects run $17,616-$52,848, 12% below the $35,000 national average. What moves that number most is usually one thing: Size and Number of Bays. On its own it can swing the cost by $10,000 - $40,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Get engineering plans done once and use competitive bidding to get the best framing price. Having your own plans lets you get apples-to-apples bids from multiple framing contractors.

$17,616-$52,848 in Atlanta

12% below the national average · 0.88x cost multiplier

Homeowners in Atlanta typically spend $17,616-$52,848 on a detached garage construction, about 12% below the national average. Labor rates and contractor availability in the Southeast region drive much of the price difference. Permit requirements and material delivery costs also play a role. See the full tier-by-tier breakdown below before requesting bids.

Cost Breakdown in Atlanta

Line ItemLowMidHigh
Cost per sq ft$31$53$106
Materials$9,500$17,100$33,250
Labor$7,864$12,582$22,018
Permits$1,140$1,710$2,375
Design$475$1,140$3,325
Total$18,979-13% vs. national avg$32,532-12% vs. national avg$60,968-12% vs. national avg

Budget

Basic 20x20 (400 sq ft) single-car detached garage - wood frame, T1-11 siding, asphalt shingles, concrete slab, one standard garage door, minimal electrical

Mid-Range

24x24 (576 sq ft) two-car detached garage - wood frame, LP SmartSide siding, architectural shingles, concrete slab, two garage doors, full electrical with subpanel, windows

Premium

24x36 (864 sq ft) carriage-style two-car garage with bonus room above - engineered lumber, shingle siding, metal roof, concrete slab with radiant heat, custom carriage doors, full electrical, plumbing rough-in

Material Options

Material prices below are national averages; availability in Atlanta may shift costs slightly.

MaterialCost/UnitBest For
Wood Frame with T1-11 Siding$35 - $55 per sq ftBudget builds where cost is the primary concern and the garage is utilitarianLowest cost, widely available, easy to modify or repair
Wood Frame with LP SmartSide$45 - $70 per sq ftMid-range builds that need to look good and last - the most popular choiceMore durable than T1-11, pre-primed, lower maintenance, better curb appeal
Concrete Block (CMU) or ICF$55 - $90 per sq ftTropical climates (hurricane resistance), homes where fire separation is a concern, or workshop spacesExtremely durable, fire-resistant, pest-resistant, great sound deadening, higher perceived value
Steel Building Kit (Pre-Engineered Metal)$25 - $50 per sq ft for shellRural properties, farms, or large workshop spaces where looks are secondary to functionLower cost for large structures, fast construction, very durable, low maintenance, clear-span interior
Carriage House / Custom Wood Siding$70 - $120 per sq ftPremium properties where the garage is a visible architectural feature of the homeHigh-end aesthetic, adds significant property value, highly customizable, can match any architectural style

Other Projects in Atlanta

Atlanta Estimate

Typical Range

$17,616-$52,848

vs. National Average

12% below national

Cost Multiplier

0.88x

Cost Per sq ft

$31-$106

This 0.88x estimate prices Atlanta labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →