Federal Reserve Economic Data

Table Data - New Private Housing Units Authorized by Building Permits: 1-Unit Structures for Washington

Title New Private Housing Units Authorized by Building Permits: 1-Unit Structures for Washington
Series ID WABP1FHSA
Source U.S. Census Bureau
Release Housing Units Authorized By Building Permits (Not a Press Release)
Seasonal Adjustment Seasonally Adjusted
Frequency Monthly
Units Units
Date Range 1988-01-01 to 2024-11-01
Last Updated 2024-12-23 10:55 AM CST
Notes This series represents the total number of building permits for 1-unit structure types. The 1-unit structure type is a single-family home or house. A single-family home or house types include fully detached, semidetached (semidetached, side-by-side), row houses, and townhouses. For attached units, each must be separated from the adjacent unit by a ground-to-roof wall in order to be classified as a single-family structure. These units also must not share heating/air-conditioning systems or utilities. Units built on top of one another and those built side-by-side that do not have a ground-to-roof wall and/or have common facilities (i.e., attic, basement, heating plant, plumbing, etc.) are not included under single-family structures.

The Federal Reserve Bank of St. Louis seasonally adjusts this series by using the 'statsmodels' library from Python with default parameter settings. The package uses the U.S. Bureau of the Census X-13ARIMA-SEATS Seasonal Adjustment Program. More information on the 'statsmodels' X-13ARIMA-SEATS package can be found here. More information on X-13ARIMA-SEATS can be found here.

Many series include both seasonally adjusted (SA) and not seasonally adjusted (NSA) data. Occasionally, updates to the data will not include sufficient seasonal factors to trigger a seasonal adjustment. In these cases, the NSA series will be updated normally; but the SA series will also be updated with the NSA data. The NSA series can be located here here.

Some seasonally adjusted series may exhibit negative values because they are created from a seasonal adjustment process regardless of the actual meaning or interpretation of the given indicator.
DATE VALUE
1988-01-01 1620.5382570844200
1988-02-01 1678.1338510592800
1988-03-01 1824.0841182412100
1988-04-01 1751.6159659331700
1988-05-01 1652.1700547010800
1988-06-01 1717.0820208272800
1988-07-01 1736.6175440571399
1988-08-01 1849.7843858835700
1988-09-01 1882.8403822133200
1988-10-01 1809.3413164630201
1988-11-01 2053.9765404754103
1988-12-01 1907.0758408184400
1989-01-01 1954.0300505219700
1989-02-01 1750.2062112084900
1989-03-01 1906.6900304110898
1989-04-01 1988.7674744725698
1989-05-01 2066.2130394770000
1989-06-01 2076.0665914009500
1989-07-01 1981.0211803995103
1989-08-01 2202.2263926615300
1989-09-01 2273.5106051103800
1989-10-01 2494.2168288348603
1989-11-01 2652.1192995560700
1989-12-01 2284.1910742856400
1990-01-01 3126.4013353071996
1990-02-01 2651.2525465463896
1990-03-01 2487.9006651348800
1990-04-01 2373.8180880013897
1990-05-01 2376.8066162879400
1990-06-01 2226.1039370740400
1990-07-01 2303.2537739155400
1990-08-01 2218.7644552665100
1990-09-01 1976.9828648796697
1990-10-01 1930.5891975413397
1990-11-01 1756.6197101558898
1990-12-01 1441.8304321545500
1991-01-01 1659.5460080383100
1991-02-01 1885.5694244121698
1991-03-01 1793.1758761677200
1991-04-01 2018.6810222341000
1991-05-01 2254.7399054115200
1991-06-01 2280.1462694398800
1991-07-01 2488.6445099476300
1991-08-01 1975.7177761680898
1991-09-01 2119.2355969547900
1991-10-01 2186.2861455010600
1991-11-01 2207.7373191262600
1991-12-01 2322.8521113345800
1992-01-01 2506.4146608107003
1992-02-01 2533.2611433904300
1992-03-01 2596.6010800620600
1992-04-01 2502.6321071272000
1992-05-01 2354.3696822053700
1992-06-01 2467.4315354621000
1992-07-01 2506.8423253264300
1992-08-01 2275.7937052186900
1992-09-01 2547.5616760655703
1992-10-01 2613.3207476829400
1992-11-01 2438.0658462277497
1992-12-01 2469.0767963021103
1993-01-01 1972.8339185643900
1993-02-01 2234.1480806416400
1993-03-01 2434.8371299975400
1993-04-01 2384.0185110626900
1993-05-01 2297.1644222968900
1993-06-01 2500.3694878841800
1993-07-01 2589.5509940929500
1993-08-01 2652.4457109995100
1993-09-01 2814.3177538160803
1993-10-01 2705.2866999249400
1993-11-01 2986.3943266924500
1993-12-01 2974.7196499537000
1994-01-01 3113.3367036004300
1994-02-01 2718.6689716567900
1994-03-01 2889.8048654929603
1994-04-01 2829.1987012177100
1994-05-01 2777.0184503359600
1994-06-01 2681.1998939790100
1994-07-01 2653.3812518427200
1994-08-01 2728.2935370774103
1994-09-01 2637.0672123663900
1994-10-01 2461.2748093338800
1994-11-01 2362.0891329231600
1994-12-01 2035.6054100396200
1995-01-01 2251.7178916292200
1995-02-01 2309.0268008730900
1995-03-01 2150.0033714790500
1995-04-01 1997.7724255360800
1995-05-01 2313.7084522005900
1995-06-01 2472.6166190843696
1995-07-01 2114.6549101705000
1995-08-01 2308.4972805605000
1995-09-01 2028.3870533565100
1995-10-01 2400.2649649888500
1995-11-01 2559.8916356552200
1995-12-01 2932.9812344007200
1996-01-01 2633.3675343070500
1996-02-01 2733.9678447872400
1996-03-01 2630.7519070257400
1996-04-01 2632.5804133812700
1996-05-01 2564.0339843228400
1996-06-01 2337.3130149323497
1996-07-01 2537.7635916403196
1996-08-01 2380.2904921777200
1996-09-01 2256.9474998250103
1996-10-01 2360.2282256903700
1996-11-01 2272.0976316840397
1996-12-01 2304.5375081687000
1997-01-01 2283.6167664485897
1997-02-01 2360.8875789768400
1997-03-01 2113.6055009409800
1997-04-01 2353.8587160236500
1997-05-01 2451.0290712941896
1997-06-01 2509.8366857917300
1997-07-01 2574.6535256630104
1997-08-01 2363.6917299523600
1997-09-01 2732.7771712595700
1997-10-01 2734.8230219574803
1997-11-01 2566.1979933789200
1997-12-01 2719.2883537185700
1998-01-01 2531.2294982966300
1998-02-01 2558.9033607109805
1998-03-01 2672.2468202742602
1998-04-01 2719.5574720353600
1998-05-01 2526.7467412395400
1998-06-01 2640.8541550906800
1998-07-01 2566.8563678420700
1998-08-01 2416.1547145713200
1998-09-01 2546.8286312717600
1998-10-01 2477.7176419298800
1998-11-01 2456.1349145708700
1998-12-01 2360.1834145282396
1999-01-01 2444.7778279215900
1999-02-01 2383.7544211396400
1999-03-01 2510.8259366611300
1999-04-01 2475.8345240016600
1999-05-01 2437.2329284085500
1999-06-01 2723.2589304578400
1999-07-01 2433.7150095561897
1999-08-01 2486.5100537246600
1999-09-01 2434.1720283886802
1999-10-01 2284.0682374879900
1999-11-01 2438.6009886649000
1999-12-01 2461.2982362446500
2000-01-01 2173.7578400422100
2000-02-01 2328.0460405170100
2000-03-01 2266.1781377246500
2000-04-01 2133.2251683805500
2000-05-01 2391.6005774016000
2000-06-01 2208.5388118436103
2000-07-01 2019.8117296925602
2000-08-01 2645.2084095880500
2000-09-01 2247.5327085062000
2000-10-01 2390.1961600392300
2000-11-01 2355.2174922948698
2000-12-01 2269.0661551323200
2001-01-01 2498.1595329801103
2001-02-01 2437.7976297823398
2001-03-01 2514.4161164350103
2001-04-01 2375.8478951308500
2001-05-01 2338.4100950328800
2001-06-01 2289.9052703963603
2001-07-01 2239.5470978364897
2001-08-01 2557.7895649609000
2001-09-01 2208.7045544762400
2001-10-01 2143.5764080683803
2001-11-01 2134.7787089067000
2001-12-01 2210.8281517920700
2002-01-01 2371.2078197074497
2002-02-01 2402.6389447605100
2002-03-01 2255.4763114686198
2002-04-01 2713.9506849966600
2002-05-01 2687.5272174254396
2002-06-01 2675.3316845461000
2002-07-01 2842.8266298189196
2002-08-01 2801.5907511612800
2002-09-01 2663.7906484506900
2002-10-01 3025.1102813948200
2002-11-01 3112.4091906872100
2002-12-01 2834.5854769248400
2003-01-01 3065.1957731223800
2003-02-01 2901.6612979962297
2003-03-01 2718.8310578716700
2003-04-01 3258.1122553125500
2003-05-01 2565.9621372165100
2003-06-01 2461.1395595346900
2003-07-01 2847.5152048918000
2003-08-01 2770.7918010161400
2003-09-01 2860.6017543217304
2003-10-01 2851.0637334808900
2003-11-01 2682.8480611947000
2003-12-01 2910.8967456058200
2004-01-01 2656.2087080493200
2004-02-01 2763.8059339830797
2004-03-01 2873.2376701575704
2004-04-01 2969.9339504678400
2004-05-01 3180.3907609134900
2004-06-01 3231.7929389793103
2004-07-01 3038.4612402836400
2004-08-01 2870.3474955556800
2004-09-01 3244.8721637203700
2004-10-01 3061.1293011844105
2004-11-01 3322.0120359841400
2004-12-01 3197.7089093052600
2005-01-01 3422.9976472587300
2005-02-01 3195.4913626805296
2005-03-01 3483.2209890794397
2005-04-01 3198.8473011009196
2005-05-01 3111.6204657715000
2005-06-01 3115.6324656294105
2005-07-01 3049.3157741169102
2005-08-01 3572.9686989021397
2005-09-01 3505.1040343677600
2005-10-01 3327.1683697093500
2005-11-01 4111.7772243539290
2005-12-01 3520.7419078876200
2006-01-01 3067.7014673116496
2006-02-01 3219.6897208591200
2006-03-01 2996.6589224367200
2006-04-01 2849.3961122768200
2006-05-01 2813.1753560566000
2006-06-01 2880.0784719599396
2006-07-01 2350.5941206479100
2006-08-01 3144.3104867445500
2006-09-01 2592.7279284440400
2006-10-01 2686.1102170972500
2006-11-01 2594.6183283707600
2006-12-01 2140.4799165849300
2007-01-01 2865.1538082083100
2007-02-01 2698.4401342416700
2007-03-01 2908.9302033125605
2007-04-01 2529.2425723394000
2007-05-01 2702.2215031258300
2007-06-01 2472.1445267859804
2007-07-01 2344.5748209263197
2007-08-01 2239.4455230574500
2007-09-01 2011.4807906864498
2007-10-01 2098.3753545621900
2007-11-01 1927.8866973687698
2007-12-01 1395.3019052788800
2008-01-01 1759.8366187840302
2008-02-01 1718.0000643524000
2008-03-01 1510.6271954118500
2008-04-01 1624.8608013962398
2008-05-01 1508.8731696324200
2008-06-01 1398.1766082298002
2008-07-01 1434.8331463369800
2008-08-01 1214.2117922674902
2008-09-01 1417.8309439019800
2008-10-01 1120.8295576867900
2008-11-01 947.3852402476559
2008-12-01 911.0162711667980
2009-01-01 813.1639447544230
2009-02-01 878.8590179998060
2009-03-01 813.2197804864320
2009-04-01 936.6386810634830
2009-05-01 976.9770910259800
2009-06-01 1064.9301041491601
2009-07-01 1178.8165097048000
2009-08-01 1207.6985427923500
2009-09-01 1217.0072458599900
2009-10-01 1191.0859875164400
2009-11-01 1185.3360009700100
2009-12-01 1346.3434052256300
2010-01-01 1265.7621233833802
2010-02-01 1368.3689433538900
2010-03-01 1581.3182518996398
2010-04-01 1273.2530298622198
2010-05-01 974.4611103538049
2010-06-01 1246.4866335567501
2010-07-01 1068.9639200682400
2010-08-01 1096.2758811543401
2010-09-01 1126.9663501199600
2010-10-01 1107.0264791579800
2010-11-01 1206.1016961847900
2010-12-01 1152.8660231290400
2011-01-01 1376.3236052146700
2011-02-01 1058.5395952319500
2011-03-01 1141.6024583518401
2011-04-01 1116.1343749889500
2011-05-01 1025.0831295437900
2011-06-01 1037.2433786428500
2011-07-01 1036.6894176069302
2011-08-01 1138.4034874766600
2011-09-01 1150.9727117567700
2011-10-01 994.2567627852530
2011-11-01 1332.0863881381802
2011-12-01 1030.9018831083400
2012-01-01 1187.0915496317200
2012-02-01 1246.8609617110900
2012-03-01 1571.4979755985098
2012-04-01 1219.6408229154700
2012-05-01 1429.6939269152301
2012-06-01 1335.2829681829800
2012-07-01 1386.8814402600199
2012-08-01 1560.5489133712200
2012-09-01 1442.2331122347900
2012-10-01 1654.5661455970000
2012-11-01 1574.4325412189300
2012-12-01 1608.9039030711199
2013-01-01 1647.2547442713599
2013-02-01 1566.6869899499100
2013-03-01 1580.9529868419800
2013-04-01 1635.0911931919900
2013-05-01 1601.6866010539300
2013-06-01 1561.9597689520500
2013-07-01 1637.3499881914200
2013-08-01 1455.5982055102100
2013-09-01 1218.6933062022001
2013-10-01 1545.0162881260198
2013-11-01 1462.3534251040398
2013-12-01 1415.7453110993400
2014-01-01 1652.4777296348700
2014-02-01 1304.8943147172502
2014-03-01 1326.9529984214098
2014-04-01 1399.7627182768500
2014-05-01 1348.6480950968300
2014-06-01 1443.1791425151300
2014-07-01 1545.7221668520099
2014-08-01 1393.0013051959400
2014-09-01 1508.3061650745901
2014-10-01 1411.2835655999600
2014-11-01 1472.1838029679700
2014-12-01 1765.2149387839397
2015-01-01 1502.8293897881700
2015-02-01 1534.5928501188700
2015-03-01 1533.8989016721200
2015-04-01 1584.7981321422500
2015-05-01 1554.9636301544300
2015-06-01 1586.3664622303800
2015-07-01 1649.7127676805999
2015-08-01 1618.6926860902100
2015-09-01 1729.4535902690302
2015-10-01 1762.3127231527800
2015-11-01 1717.5744032758600
2015-12-01 1815.0796853084698
2016-01-01 1696.6471188949697
2016-02-01 1871.0267708698398
2016-03-01 1960.9415507319300
2016-04-01 1858.6638428487500
2016-05-01 1892.5132797189801
2016-06-01 1922.7194031034900
2016-07-01 1743.2463125523902
2016-08-01 1778.8202186452600
2016-09-01 1707.7844068428901
2016-10-01 1689.4467228994700
2016-11-01 1857.1609698309699
2016-12-01 1823.9634845028000
2017-01-01 1814.4902983989602
2017-02-01 1888.1152643088500
2017-03-01 1741.6969454808200
2017-04-01 1774.6437613752200
2017-05-01 2077.6348866467397
2017-06-01 1916.7317842905302
2017-07-01 1892.2793673145800
2017-08-01 2061.3297544391603
2017-09-01 1987.3447629143000
2017-10-01 2012.1918928869300
2017-11-01 1997.1701305055900
2017-12-01 2032.1610133057998
2018-01-01 2087.5809033969400
2018-02-01 1962.0006454848499
2018-03-01 2124.0294398762000
2018-04-01 2003.3569931625698
2018-05-01 1921.5288544516500
2018-06-01 2007.9084502502300
2018-07-01 1849.8353879750500
2018-08-01 2110.2887626418000
2018-09-01 1922.4567752073500
2018-10-01 1998.8191489724697
2018-11-01 1910.7387360439398
2018-12-01 1680.0338577307700
2019-01-01 1737.1759524085599
2019-02-01 1599.8792980804599
2019-03-01 1745.8134662830403
2019-04-01 1911.3716250506898
2019-05-01 1928.3110470882300
2019-06-01 1849.5754621469698
2019-07-01 2079.5083833345197
2019-08-01 1989.5464352623198
2019-09-01 1937.0527379938299
2019-10-01 2056.4004669828400
2019-11-01 2347.7767423916002
2019-12-01 2145.4035468656502
2020-01-01 2075.7294380774500
2020-02-01 2006.4860577980999
2020-03-01 1880.2574059336800
2020-04-01 1053.8413719890600
2020-05-01 1577.9708408648800
2020-06-01 1915.9463189309301
2020-07-01 2098.6402535786397
2020-08-01 1950.1045201136300
2020-09-01 2249.4406254595200
2020-10-01 2305.2871746414603
2020-11-01 2153.9094084032300
2020-12-01 2360.9023721832200
2021-01-01 2380.7125599283900
2021-02-01 2406.2502689940698
2021-03-01 2555.6147936346697
2021-04-01 2158.1298171317400
2021-05-01 1745.6900490393000
2021-06-01 2003.0077482995200
2021-07-01 1973.5439909360500
2021-08-01 1963.4907031428400
2021-09-01 2034.4248298635603
2021-10-01 1959.4721004282699
2021-11-01 2075.8251213001300
2021-12-01 2169.1548018147200
2022-01-01 2044.1356447139900
2022-02-01 2139.2908814553602
2022-03-01 2078.5029027558603
2022-04-01 1837.6860579100000
2022-05-01 1895.0476193446200
2022-06-01 1778.2941560733398
2022-07-01 1491.1751892680302
2022-08-01 1687.8503264548401
2022-09-01 1465.1844554894000
2022-10-01 1266.2990707984900
2022-11-01 1329.0263800313300
2022-12-01 1155.3299948885199
2023-01-01 1184.0716236271400
2023-02-01 1225.8406432994500
2023-03-01 1320.4610573281900
2023-04-01 1385.3540771553699
2023-05-01 1541.0862837530801
2023-06-01 1611.1605864975900
2023-07-01 1512.1038900488400
2023-08-01 1558.3107442919000
2023-09-01 1544.6222652940198
2023-10-01 1654.9342246455300
2023-11-01 1676.5846688544900
2023-12-01 1655.1792344992400
2024-01-01 1974.4384471618900
2024-02-01 1672.9801009658402
2024-03-01 1600.7497127699498
2024-04-01 1666.8877175930700
2024-05-01 1471.5241915818601
2024-06-01 1213.6192510692200
2024-07-01 1498.9933754417902
2024-08-01 1535.9870340271100
2024-09-01 1605.0549956193697
2024-10-01 1720.2742785887100
2024-11-01 1510.4542318496100

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