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

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 Washington vs Oregon?

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

Home / 2026 Rankings / Washington vs Oregon

Washington vs Oregon

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

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 →

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 →

Cost by Home Size

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