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

Building a house in Los Angeles County, California costs approximately $285 per square foot in 2026 for mid-range construction. A 2,000 sq ft home runs about $570,000.

Is Los Angeles County more or less expensive to build in than the rest of California?

Los Angeles County is 10% more expensive than the California state average. The state average is $259/sq ft while Los Angeles County runs $285/sq ft.

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Los Angeles County Home Building Costs

Building a house in Los Angeles County, California costs about $285/sq ft in 2026 — roughly $570,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 10,000,000.

County $/sq ft

$285

California avg: $259

vs State Average

+10%

Local market premium

2,000 sq ft home

$570,000

Mid-range estimate

Local Market Factors

›Highest permit fees in state
›Union labor strong
›Fire-safe construction required in many zones

Cost by Home Size in Los Angeles County

Home Size	Basic	Mid-Range	Premium
500 sq ft	$105,359	$142,500	$194,043
1,000 sq ft	$210,718	$285,000	$388,085
1,500 sq ft	$316,077	$427,500	$582,128
2,000 sq ft	$421,436	$570,000	$776,170
2,500 sq ft	$526,795	$712,500	$970,213
3,000 sq ft	$632,154	$855,000	$1,164,255
4,000 sq ft	$842,872	$1,140,000	$1,552,340
5,000 sq ft	$1,053,590	$1,425,000	$1,940,426

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 1.10× applied to California state average (which itself is 1.45× 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.