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State, one year

Washington in 2015

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

In 2015 the FHFA house price index for Washington changed +7.3%, against +4.4% for the United States and +8.0% in 2014.

40,374 housing units were authorised by building permits in the state that year (19,797 single-family), +19.1% on 2014; the national total was 1,182,582.

+7.3%Washington index, 2014–2015US +4.4%
40,374housing units permitted in 201519,797 single-family
39 of 39counties with a rising indexmedian county +6.1%
1,182,582units permitted nationally in 2015
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Counties in 2015

Ranked by the county index change from 2014 to 2015 (FHFA annual county index). Permits are units authorised in 2015; per 1,000 uses the vintage 2025 population.

CountyIndex change 2015Units permittedSingle-familyPer 1,000
Garfield County+17.2%000.0
Pacific County+10.6%62622.5
Lincoln County+9.1%33332.8
Clark County+8.9%3,4722,2206.5
Kitsap County+8.7%9187963.2
Skagit County+8.6%4384103.3
King County+8.1%18,5374,0107.9
Pierce County+8.1%2,8972,2533.1
Cowlitz County+8.0%1781681.5
Skamania County+8.0%47473.7
Snohomish County+7.5%3,5742,3834.1
Chelan County+7.2%3723584.5
Island County+6.7%2812813.3
Ferry County+6.6%16162.1
Wahkiakum County+6.6%15153.1
Mason County+6.4%1111111.6
Douglas County+6.3%2211324.8
San Juan County+6.3%1001005.4
Grays Harbor County+6.2%1781742.3
Lewis County+6.1%1291291.5
Jefferson County+6.0%1561544.6
Thurston County+5.7%1,0208813.4
Benton County+5.3%1,0688254.8
Clallam County+5.3%2172152.8
Whatcom County+5.3%1,1445994.8
Spokane County+5.2%2,6171,3404.7
Klickitat County+5.1%1201204.9
Whitman County+4.8%205814.2
Franklin County+4.7%3963963.9
Kittitas County+4.2%2952856.0
Grant County+4.0%4672284.4
Walla Walla County+4.0%2041843.3
Yakima County+3.9%3953901.5
Pend Oreille County+3.8%47473.3
Adams County+3.5%163757.6
Columbia County+3.1%10102.4
Okanogan County+2.5%1661643.7
Asotin County+2.2%31311.4
Stevens County+0.7%74741.5

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.