How much does it cost to build a house in Gwinnett County?

Building a house in Gwinnett County, Georgia costs approximately $165 per square foot in 2026 for mid-range construction. A 2,000 sq ft home runs about $330,000.

Is Gwinnett County more or less expensive to build in than the rest of Georgia?

Gwinnett County is 5% more expensive than the Georgia state average. The state average is $157/sq ft while Gwinnett County runs $165/sq ft.

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Gwinnett County Home Building Costs

Building a house in Gwinnett County, Georgia costs about $165/sq ft in 2026 — roughly $330,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 960,000.

County $/sq ft

$165

Georgia avg: $157

vs State Average

+5%

Local market premium

2,000 sq ft home

$330,000

Mid-range estimate

Local Market Factors

›Atlanta suburb
›High growth area

Cost by Home Size in Gwinnett County

Home Size	Basic	Mid-Range	Premium
500 sq ft	$60,997	$82,500	$112,340
1,000 sq ft	$121,995	$165,000	$224,681
1,500 sq ft	$182,992	$247,500	$337,021
2,000 sq ft	$243,989	$330,000	$449,362
2,500 sq ft	$304,987	$412,500	$561,702
3,000 sq ft	$365,984	$495,000	$674,043
4,000 sq ft	$487,979	$660,000	$898,723
5,000 sq ft	$609,973	$825,000	$1,123,404

Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Add 30–40% to these figures for total project cost.

County multiplier of 1.05× applied to Georgia state average (which itself is 0.88× the national average of $179/sq ft).

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Cost data: HouseBuildCalc Permit Cost Index (876,000+ building permits, 1,700+ ZIP codes), U.S. Census Bureau Survey of Construction, BLS Producer Price Index, NAHB Cost of Constructing a Home (published summaries). County-level multipliers are estimates derived from regional market data. For planning purposes only.