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Spokane County Home Building Costs

Building a house in Spokane County, Washington costs about $210/sq ft in 2026 — roughly $369,600$470,400 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 530,000.

County $/sq ft
$210
Washington avg: $221
vs State Average
-5%
Local market premium
2,000 sq ft home
$369,600$470,400
Mid-range estimate range

Real Permit Activity in Spokane County (2025)

Single-Family Permits Issued
1,375
1-unit structures, 2025
Avg. Declared Valuation
$306,965
Per single-family unit

Permit valuations are builder-declared at filing and typically understate final construction cost.

Source: U.S. Census Bureau Building Permits Survey, 2025 annual data.

Local Market Factors

What building in Spokane County actually involves

Cost per square foot is one number. These are the local conditions behind it.

How busy this market is

Spokane County ranks 5th of 39 counties in Washington for single-family permits issued in 2025, accounting for 7.7% of all the single-family homes permitted statewide that year.

That puts it among the busiest building markets in the state — deep contractor supply, but also the most competition for their time.

U.S. Census Bureau Building Permits Survey, co2025a.txt (2025).

What land adds on top

Land averages 39.7% of finished property value in Washington, which is a markup of about 66% on construction cost. For the $420,000 build above, that implies roughly $277,200 for the lot.

This is a statewide figure. Lots inside Spokane County's built-up areas will run above it and rural parcels below, so treat it as an order of magnitude rather than a budget line.

FHFA Working Paper 19-01 land values.

What the trades cost

All construction trades$36.3/hr
Carpenter$35.67/hr
Electrician$45.78/hr
Plumber$38.96/hr

Median hourly wage, Washington. BLS Occupational Employment and Wage Statistics, May 2025.

Climate, spec and timing

  • 5,471 heating and 244 cooling degree days a year in Washingtonheating drives the mechanical budget. (NOAA, 2016-2025 average)
  • The median new home in the West is 2,090 sq ft and the Census median contract price there is $176.87/sq ft, excluding land — the same basis as our estimate above. (Census Survey of Construction 2025)
  • Washington issued 17,780 single-family permits in 2025 overall. See the 35-year state history.

Reconciling our estimate with permit filings

The average declared valuation on Spokane County permits was $306,965 per single-family unit, against our $420,000 estimate for a 2,000 sq ft mid-range build. These two numbers are not measuring the same thing and should not match: builders declare a valuation for permit-fee purposes, which is routinely below the finished construction cost, and the permits cover homes of every size and finish level rather than a 2,000 sq ft mid-range one. We show both because the gap between them is itself informative — and because quoting only the flattering one would be dishonest.

Cost by Home Size in Spokane County

Home SizeBasicMid-RangePremium
500 sq ft$77,633$105,000$142,979
1,000 sq ft$155,266$210,000$285,957
1,500 sq ft$232,899$315,000$428,936
2,000 sq ft$310,532$420,000$571,915
2,500 sq ft$388,165$525,000$714,894
3,000 sq ft$465,798$630,000$857,872
4,000 sq ft$621,064$840,000$1,143,830
5,000 sq ft$776,330$1,050,000$1,429,787

Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Land in Washington averages 39.7% of finished property value (FHFA), which adds roughly 66% on top of these construction figures.

County multiplier of 0.95× applied to Washington state average (which itself is 1.18× the national average of $188/sq ft).

← View all of Washington

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.