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State, one year

Washington in 2010

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

In 2010 the FHFA house price index for Washington changed −7.8%, against −5.1% for the United States and −9.6% in 2009.

20,691 housing units were authorised by building permits in the state that year (14,702 single-family), +21.6% on 2009; the national total was 604,610.

−7.8%Washington index, 2009–2010US −5.1%
20,691housing units permitted in 201014,702 single-family
3 of 39counties with a rising indexmedian county −6.6%
604,610units permitted nationally in 2010
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Counties in 2010

Ranked by the county index change from 2009 to 2010 (FHFA annual county index). Permits are units authorised in 2010; per 1,000 uses the vintage 2025 population.

CountyIndex change 2010Units permittedSingle-familyPer 1,000
Garfield County+5.1%441.7
Benton County+2.4%1,2599375.7
Franklin County+1.7%7636367.4
Lincoln County−1.2%43413.6
Whitman County−2.0%90621.9
Columbia County−2.7%441.0
Yakima County−2.9%6243432.4
Asotin County−3.1%27271.2
Ferry County−3.3%22222.9
Adams County−3.8%33331.5
Walla Walla County−4.4%128662.1
Stevens County−4.6%72661.4
Wahkiakum County−4.9%11112.3
Grant County−5.1%2282052.2
Okanogan County−5.2%1231232.7
Spokane County−5.5%1,6099392.9
Douglas County−5.7%1141092.5
Whatcom County−5.8%4584011.9
Klickitat County−5.9%77773.2
Thurston County−6.6%1,1561,0533.8
Mason County−6.9%1401402.0
Chelan County−7.1%2062042.5
Island County−7.2%2192192.6
Kitsap County−7.2%6234682.2
King County−7.5%6,0202,5782.6
Jefferson County−7.6%97972.9
Grays Harbor County−7.9%1661632.1
Kittitas County−7.9%1831773.7
Pacific County−8.1%1251255.1
Cowlitz County−8.2%1311161.1
Clallam County−8.6%1691392.2
Skagit County−8.6%2072031.6
Clark County−8.7%1,0709632.0
Skamania County−8.8%25252.0
Lewis County−8.9%2041242.3
Pierce County−9.3%1,9001,7082.0
San Juan County−10.0%18918910.2
Snohomish County−10.0%2,1201,8532.4
Pend Oreille County−10.3%52523.6

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.