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State, one year

Washington in 2021

Index change and building permits for the year, with every county.

In 2021 the FHFA house price index for Washington changed +14.6%, against +11.6% for the United States and +5.1% in 2020.

56,941 housing units were authorised by building permits in the state that year (25,076 single-family), +29.8% on 2020; the national total was 1,736,982.

+14.6%Washington index, 2020–2021US +11.6%
56,941housing units permitted in 202125,076 single-family
39 of 39counties with a rising indexmedian county +15.4%
1,736,982units permitted nationally in 2021
← 2020Washington overview2022 →

Counties in 2021

Ranked by the county index change from 2020 to 2021 (FHFA annual county index). Permits are units authorised in 2021; per 1,000 uses the vintage 2025 population.

CountyIndex change 2021Units permittedSingle-familyPer 1,000
Spokane County+20.5%3,1151,6105.6
Grays Harbor County+20.4%4324225.5
Ferry County+20.3%34344.5
Lincoln County+19.2%75756.3
Pend Oreille County+18.4%79795.5
Walla Walla County+18.1%2611374.2
Grant County+18.0%7136056.7
Lewis County+17.6%4543545.2
Mason County+17.5%4583226.4
Stevens County+17.1%3002986.0
Clallam County+16.9%3143064.0
Cowlitz County+16.8%3482863.0
Pierce County+16.7%6,0723,2076.4
Kittitas County+16.4%54553311.2
Columbia County+16.2%44410.6
Snohomish County+16.2%5,1222,3705.9
Thurston County+16.1%2,0547526.8
Okanogan County+16.0%2772756.1
Asotin County+15.4%31311.4
San Juan County+15.4%1551558.3
Klickitat County+15.2%1891877.8
Chelan County+15.1%6714808.2
Kitsap County+15.1%2,2851,1128.1
Jefferson County+15.0%2742298.1
Pacific County+15.0%1111054.6
Franklin County+14.9%6636506.5
Douglas County+14.8%3293237.1
Clark County+14.6%5,6023,10110.5
Whatcom County+14.6%1,8718887.9
Skagit County+14.5%9143326.9
Whitman County+14.2%4201098.7
Benton County+14.0%1,4861,2656.7
Island County+13.8%4013914.7
Yakima County+13.6%1,1036314.3
Adams County+13.2%80673.7
Skamania County+13.1%75755.9
Wahkiakum County+12.0%32226.6
King County+11.2%19,5493,2518.3
Garfield County+10.1%331.2

Permits by year, 1995–2025

Housing units authorised in Washington by year020,00040,00060,0001995: 38,160 units (26,772 single-family, 11,388 in multi-unit buildings)19951996: 39,597 units (27,015 single-family, 12,582 in multi-unit buildings)1997: 41,089 units (27,776 single-family, 13,313 in multi-unit buildings)1998: 45,727 units (28,644 single-family, 17,083 in multi-unit buildings)1999: 42,752 units (28,111 single-family, 14,641 in multi-unit buildings)2000: 39,021 units (25,471 single-family, 13,550 in multi-unit buildings)20002001: 38,345 units (26,736 single-family, 11,609 in multi-unit buildings)2002: 40,200 units (30,239 single-family, 9,961 in multi-unit buildings)2003: 42,825 units (33,091 single-family, 9,734 in multi-unit buildings)2004: 50,089 units (36,489 single-family, 13,600 in multi-unit buildings)2005: 52,988 units (41,407 single-family, 11,581 in multi-unit buildings)20052006: 50,033 units (35,611 single-family, 14,422 in multi-unit buildings)2007: 47,397 units (30,390 single-family, 17,007 in multi-unit buildings)2008: 28,919 units (17,440 single-family, 11,479 in multi-unit buildings)2009: 17,011 units (12,991 single-family, 4,020 in multi-unit buildings)2010: 20,691 units (14,702 single-family, 5,989 in multi-unit buildings)20102011: 20,864 units (13,159 single-family, 7,705 in multi-unit buildings)2012: 28,118 units (16,508 single-family, 11,610 in multi-unit buildings)2013: 32,962 units (18,396 single-family, 14,566 in multi-unit buildings)2014: 33,898 units (17,905 single-family, 15,993 in multi-unit buildings)2015: 40,374 units (19,797 single-family, 20,577 in multi-unit buildings)20152016: 44,077 units (22,463 single-family, 21,614 in multi-unit buildings)2017: 45,794 units (23,115 single-family, 22,679 in multi-unit buildings)2018: 47,746 units (23,676 single-family, 24,070 in multi-unit buildings)2019: 48,424 units (23,300 single-family, 25,124 in multi-unit buildings)2020: 43,881 units (23,542 single-family, 20,339 in multi-unit buildings)20202021: 56,941 units (25,076 single-family, 31,865 in multi-unit buildings)2022: 49,030 units (20,400 single-family, 28,630 in multi-unit buildings)2023: 37,097 units (18,056 single-family, 19,041 in multi-unit buildings)2024: 37,778 units (19,136 single-family, 18,642 in multi-unit buildings)2025: 34,913 units (17,780 single-family, 17,133 in multi-unit buildings)2025

Housing units authorised in Washington by yearsingle-family2+ unit buildings

Source: Federal Housing Finance Agency annual state and county house price indexes (updated March 31, 2026); Census Bureau Building Permits Survey annual state and county files. Public domain. Methodology.