Is it cheaper to build a house in Oregon or Washington?

Oregon is the more affordable state to build in. Building a 2,000 sq ft mid-range home costs about $21,432 less in Oregon ($200/sq ft vs $211/sq ft).

What is the cost per square foot to build in Oregon vs Washington?

In 2026, mid-range construction averages $200/sq ft in Oregon and $211/sq ft in Washington, based on our index of 876,000+ real building permits and NAHB published cost data.

Home / 2026 Rankings / Oregon vs Washington

Oregon vs Washington

Side-by-side construction cost comparison for 2026. Oregon averages $200/sq ft and Washington averages $211/sq ft for mid-range builds — so a 2,000 sq ft home in Oregon costs about $21,432 less.

More affordable for new construction

Oregon

$200/sq ft vs $211/sq ft — saves $21,432 on a 2,000 sq ft build

Metric	Oregon	Washington
2026 $/sq ft	$200 ✓	$211
1,500 sq ft	$300,048 ✓	$316,122
2,000 sq ft	$400,064 ✓	$421,496
2,500 sq ft	$500,080 ✓	$526,870
Labor Index	1.12 ✓	1.20
Material Index	1.12 ✓	1.16
Avg Permit Cost	$3,800 ✓	$4,500
Median Home Price	$458,000 ✓	$598,000
Home Price YoY	+1.8%	+2.8%
Climate	Marine/Semi-arid	Marine/Semi-arid

Oregon Notes

›Portland metro has high costs
›Seismic zone (Cascadia Subduction Zone)
›Strict energy codes
›Wet climate requires moisture management
›Forest fire zones

Full Oregon guide →

Washington Notes

›High costs in Seattle metro
›Cascadia Subduction Zone seismic requirements
›Strict energy code
›Wet climate moisture management critical
›Strong union presence

Full Washington guide →

Cost by Home Size

Size	Oregon	Washington	Difference
500 sq ft	$100,016	$105,374	Oregon saves $5,358
1,000 sq ft	$200,032	$210,748	Oregon saves $10,716
1,500 sq ft	$300,048	$316,122	Oregon saves $16,074
2,000 sq ft	$400,064	$421,496	Oregon saves $21,432
2,500 sq ft	$500,080	$526,870	Oregon saves $26,790
3,000 sq ft	$600,096	$632,244	Oregon saves $32,148
4,000 sq ft	$800,128	$842,992	Oregon saves $42,864
5,000 sq ft	$1,000,160	$1,053,740	Oregon saves $53,580

Construction costs: 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). Median home prices: NAR Existing-Home Sales, 2026 estimates. For planning purposes only.