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State, one year

Washington in 2006

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

In 2006 the FHFA house price index for Washington changed +15.5%, against +6.6% for the United States and +16.7% in 2005.

50,033 housing units were authorised by building permits in the state that year (35,611 single-family), −5.6% on 2005; the national total was 1,838,903.

+15.5%Washington index, 2005–2006US +6.6%
50,033housing units permitted in 200635,611 single-family
39 of 39counties with a rising indexmedian county +16.1%
1,838,903units permitted nationally in 2006
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Counties in 2006

Ranked by the county index change from 2005 to 2006 (FHFA annual county index). Permits are units authorised in 2006; per 1,000 uses the vintage 2025 population.

CountyIndex change 2006Units permittedSingle-familyPer 1,000
Garfield County+26.3%18187.5
Klickitat County+20.6%1411415.8
Pacific County+20.1%1671536.9
Chelan County+19.5%7025808.6
Wahkiakum County+19.5%44449.0
Douglas County+18.9%3392837.3
Pend Oreille County+18.2%1331339.2
Lewis County+18.1%5714996.5
Skamania County+18.1%1231239.7
Ferry County+17.5%24243.2
Kitsap County+17.5%1,2361,1844.4
Cowlitz County+17.4%7036206.1
Mason County+17.2%5505167.7
Clark County+16.9%2,9792,3795.6
Island County+16.9%6396347.5
Snohomish County+16.9%5,6624,5576.5
Thurston County+16.6%3,2042,49310.5
Pierce County+16.5%6,0064,8846.3
Kittitas County+16.4%58854312.0
Jefferson County+16.1%2872878.4
Spokane County+16.1%3,7642,6476.7
Skagit County+16.0%1,0099027.6
King County+15.9%14,0755,7706.0
Clallam County+14.8%4264225.4
San Juan County+14.8%19118910.3
Stevens County+14.8%2042004.1
Grays Harbor County+14.7%5334446.8
Walla Walla County+14.2%2902564.7
Okanogan County+14.1%2692595.9
Lincoln County+13.8%48484.0
Grant County+13.7%7536257.1
Asotin County+13.1%83733.7
Whatcom County+12.1%1,4821,1816.3
Whitman County+11.9%339987.0
Yakima County+9.4%6926532.7
Adams County+7.8%29291.3
Columbia County+5.8%661.4
Franklin County+5.0%7787787.6
Benton County+4.2%9469364.3

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.