Federal Reserve Economic Data

Table Data - New Private Housing Units Authorized by Building Permits: 1-Unit Structures for Seattle-Tacoma-Bellevue, WA (MSA)

Title New Private Housing Units Authorized by Building Permits: 1-Unit Structures for Seattle-Tacoma-Bellevue, WA (MSA)
Series ID SEAT653BP1FHSA
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 2024-09-01
Last Updated 2024-10-24 8:40 AM CDT
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
1988-01-01 981.97776526023100
1988-02-01 1047.44067003054000
1988-03-01 1087.56867068570000
1988-04-01 1059.97974657466000
1988-05-01 1092.81929716412000
1988-06-01 971.46340130116110
1988-07-01 1048.87934991878000
1988-08-01 1156.81327838990000
1988-09-01 1133.95106398596980
1988-10-01 1150.81250321496990
1988-11-01 1322.50880310196000
1988-12-01 1262.65078852133000
1989-01-01 1123.73152610160010
1989-02-01 1084.36308998942000
1989-03-01 1168.28009749164000
1989-04-01 1175.87890061422000
1989-05-01 1254.54967438704000
1989-06-01 1239.60310806146980
1989-07-01 1240.57422300839000
1989-08-01 1307.88295452191980
1989-09-01 1324.05762048169000
1989-10-01 1475.28970883204990
1989-11-01 1611.06726746863000
1989-12-01 1430.19473761082000
1990-01-01 1551.14426547405000
1990-02-01 1533.09337132855010
1990-03-01 1317.52384455567000
1990-04-01 1295.04153111732000
1990-05-01 1166.09536651888000
1990-06-01 1101.71615043519000
1990-07-01 1050.40332804561000
1990-08-01 1093.41298134686990
1990-09-01 903.41831040387700
1990-10-01 794.11461017090390
1990-11-01 728.22320318922300
1990-12-01 681.74884716850100
1991-01-01 728.53102054648500
1991-02-01 690.63263471477300
1991-03-01 788.17102120253300
1991-04-01 788.02413654696400
1991-05-01 972.08023090933810
1991-06-01 923.89551083029800
1991-07-01 939.51117442045000
1991-08-01 786.40380402043200
1991-09-01 858.75809544221410
1991-10-01 941.05514483711310
1991-11-01 871.77646525243610
1991-12-01 990.29417966514800
1992-01-01 1042.27914906726000
1992-02-01 1110.19734796892000
1992-03-01 1057.81611113582000
1992-04-01 1048.31190127328000
1992-05-01 994.30611253795800
1992-06-01 1058.67704620151000
1992-07-01 1003.65189863871990
1992-08-01 934.04149415634400
1992-09-01 1072.48216676685980
1992-10-01 984.85367837633190
1992-11-01 1005.64368383549020
1992-12-01 1180.51307903239000
1993-01-01 922.87581536816890
1993-02-01 923.51612215815300
1993-03-01 915.81603259748900
1993-04-01 1100.72326381741980
1993-05-01 1022.72973671493010
1993-06-01 1032.35813428537000
1993-07-01 1117.95576186888000
1993-08-01 1195.60740554685000
1993-09-01 1174.33858144244000
1993-10-01 1186.15929390301000
1993-11-01 1259.40346404793010
1993-12-01 1356.69521082536000
1994-01-01 1301.18194970729000
1994-02-01 1209.63546552697000
1994-03-01 1256.04364642569000
1994-04-01 1218.18529599949000
1994-05-01 1165.55692496758000
1994-06-01 1142.15713663311000
1994-07-01 1157.45798577787000
1994-08-01 1146.87468650077000
1994-09-01 1156.96559987490010
1994-10-01 1142.20360817053000
1994-11-01 1038.13185880395000
1994-12-01 996.21031716432600
1995-01-01 983.29466065731400
1995-02-01 1010.51506607418010
1995-03-01 994.35325296658000
1995-04-01 952.03482780793310
1995-05-01 1045.31490951268000
1995-06-01 1228.09199750801990
1995-07-01 978.76836986012500
1995-08-01 1050.97456525623000
1995-09-01 925.81659088189500
1995-10-01 1019.68167706463010
1995-11-01 1166.04709342273000
1995-12-01 1063.12980975270000
1996-01-01 1092.64576249691980
1996-02-01 1149.25508899271000
1996-03-01 1123.10780436920000
1996-04-01 1254.90540332773000
1996-05-01 1119.04501643524000
1996-06-01 1024.22837175622000
1996-07-01 1064.99743979821980
1996-08-01 1044.73702005206000
1996-09-01 1018.77138204890990
1996-10-01 1031.38064620638000
1996-11-01 1092.21414859878000
1996-12-01 1090.99556598186000
1997-01-01 1232.24125842232000
1997-02-01 1092.28286911514000
1997-03-01 998.97528631753900
1997-04-01 1118.36067258556000
1997-05-01 1144.40386081418020
1997-06-01 1154.15775749919000
1997-07-01 1207.95376029519000
1997-08-01 1150.45689717947000
1997-09-01 1228.12906662350000
1997-10-01 1257.60689100788000
1997-11-01 1283.20632394377000
1997-12-01 1269.56269642279020
1998-01-01 1174.86587175996000
1998-02-01 1224.71877638085020
1998-03-01 1206.88481528138000
1998-04-01 1243.56956796965000
1998-05-01 1203.76524347144000
1998-06-01 1282.88848392902000
1998-07-01 1274.48855447460000
1998-08-01 1149.08829512122000
1998-09-01 1216.96402354170000
1998-10-01 1233.55941005410000
1998-11-01 1139.06134238506980
1998-12-01 1154.65325158699990
1999-01-01 1116.26725006827000
1999-02-01 1078.72154687048000
1999-03-01 1236.14457132149000
1999-04-01 1217.57440389015980
1999-05-01 1225.68731529335010
1999-06-01 1199.01719563702000
1999-07-01 1158.16076230870000
1999-08-01 1216.76989192679000
1999-09-01 1191.69289928999000
1999-10-01 1130.85922029181980
1999-11-01 1169.47083321351990
1999-12-01 1178.92907257520000
2000-01-01 1075.42463321121000
2000-02-01 1107.77566242424020
2000-03-01 1062.79531529403020
2000-04-01 995.10769005616700
2000-05-01 995.22903000565600
2000-06-01 1013.68567465173010
2000-07-01 967.84494524481300
2000-08-01 1283.11000758073000
2000-09-01 1060.08563549575980
2000-10-01 1110.72509137338000
2000-11-01 1073.98215687678000
2000-12-01 1011.96259879815990
2001-01-01 1174.72643609240000
2001-02-01 1110.88046850095000
2001-03-01 1218.52757837084000
2001-04-01 1065.80578709818020
2001-05-01 1067.62035269872000
2001-06-01 1018.39909989491990
2001-07-01 1006.68716127768000
2001-08-01 1116.04912796858000
2001-09-01 963.43330970677500
2001-10-01 894.42437707985200
2001-11-01 887.05778521688090
2001-12-01 958.19188798814200
2002-01-01 1107.86443758329000
2002-02-01 1087.70296340742000
2002-03-01 1058.95015808545990
2002-04-01 1137.85673898583010
2002-05-01 1164.53233522459000
2002-06-01 1257.06496889432000
2002-07-01 1274.81977312065990
2002-08-01 1200.86260892178000
2002-09-01 1119.22180869481000
2002-10-01 1404.03871312851000
2002-11-01 1486.47698347733010
2002-12-01 1208.00686502765000
2003-01-01 1276.73309778431000
2003-02-01 1284.42019890625000
2003-03-01 1146.68319701292000
2003-04-01 1242.89714574456000
2003-05-01 1234.77352449726000
2003-06-01 1118.46695530128000
2003-07-01 1354.59149955880000
2003-08-01 1256.56682077113990
2003-09-01 1341.79197660088020
2003-10-01 1277.09048943778020
2003-11-01 1253.42556567178000
2003-12-01 1368.11448662413000
2004-01-01 1235.81305488955010
2004-02-01 1202.94957936808000
2004-03-01 1257.93779175862000
2004-04-01 1351.89861546269000
2004-05-01 1271.66794399164000
2004-06-01 1584.72886104295980
2004-07-01 1242.41921113671000
2004-08-01 1144.21227147350000
2004-09-01 1315.50371899275000
2004-10-01 1232.20282312611000
2004-11-01 1384.40155683548000
2004-12-01 1375.02172495181000
2005-01-01 1422.58471721730980
2005-02-01 1164.68907393489000
2005-03-01 1416.06847114156970
2005-04-01 1436.53244925399000
2005-05-01 1423.10027042512000
2005-06-01 1549.27064211154000
2005-07-01 1422.22170007069000
2005-08-01 1584.50745848613000
2005-09-01 1523.40178375953000
2005-10-01 1494.16855478639010
2005-11-01 1649.30604592742000
2005-12-01 1587.16614936611000
2006-01-01 1348.74215902700000
2006-02-01 1438.52652238125000
2006-03-01 1390.78434866531980
2006-04-01 1183.10399488149980
2006-05-01 1266.11878033435980
2006-06-01 1237.01538823398000
2006-07-01 1161.82226858175000
2006-08-01 1298.86198503893000
2006-09-01 1131.80065587891000
2006-10-01 1225.02454483065000
2006-11-01 1000.55540757828000
2006-12-01 957.05661403418790
2007-01-01 1185.34237794700000
2007-02-01 1228.11131476824020
2007-03-01 1207.60912880731000
2007-04-01 1113.63044903675000
2007-05-01 1192.83114456085010
2007-06-01 1065.65623464255990
2007-07-01 960.73870861659800
2007-08-01 983.82258477733400
2007-09-01 790.76481037428800
2007-10-01 857.67106644970000
2007-11-01 813.26190725683900
2007-12-01 685.53170722638700
2008-01-01 715.56438858281600
2008-02-01 645.83001475142410
2008-03-01 630.84100720599500
2008-04-01 661.46793126778900
2008-05-01 572.15471108890200
2008-06-01 500.02723263860605
2008-07-01 545.67245611218300
2008-08-01 467.34052730200300
2008-09-01 460.83477507860397
2008-10-01 422.34602853088205
2008-11-01 304.87897883522300
2008-12-01 337.53840563191200
2009-01-01 337.56500495207100
2009-02-01 314.08138786621100
2009-03-01 292.36779911573797
2009-04-01 348.27869344223700
2009-05-01 355.15451743801697
2009-06-01 407.10220374848700
2009-07-01 454.93305466757500
2009-08-01 406.34335267279295
2009-09-01 494.48497673104896
2009-10-01 477.41482541036900
2009-11-01 462.75888414643400
2009-12-01 568.64152959387100
2010-01-01 535.89743688728600
2010-02-01 557.79401293425910
2010-03-01 569.87140181739600
2010-04-01 516.02256654262000
2010-05-01 441.96733193403196
2010-06-01 525.63472300429000
2010-07-01 435.99699768202100
2010-08-01 413.03246196930700
2010-09-01 442.02739296616500
2010-10-01 449.94750804599000
2010-11-01 513.95955940813400
2010-12-01 510.66675518796404
2011-01-01 629.51489008574500
2011-02-01 467.20347248365400
2011-03-01 488.13261330645600
2011-04-01 479.72167110031000
2011-05-01 472.77026128520697
2011-06-01 473.41073487000600
2011-07-01 474.67967670160400
2011-08-01 575.84071157610800
2011-09-01 504.11552649099997
2011-10-01 453.54489449130500
2011-11-01 526.81460665191200
2011-12-01 474.22219235347296
2012-01-01 470.44926184060097
2012-02-01 572.21726004621700
2012-03-01 659.54661177515500
2012-04-01 596.89746571828600
2012-05-01 700.36075382374690
2012-06-01 630.21975483662400
2012-07-01 645.75295459763100
2012-08-01 806.38680592222100
2012-09-01 724.16973958384700
2012-10-01 855.43178493385100
2012-11-01 675.11999538605800
2012-12-01 750.64131031225010
2013-01-01 729.62877290041000
2013-02-01 727.39569140494700
2013-03-01 703.99587165269100
2013-04-01 794.51214267720500
2013-05-01 778.48985443680100
2013-06-01 760.16579573289700
2013-07-01 778.47491186659000
2013-08-01 677.45305937973700
2013-09-01 547.01545080818490
2013-10-01 724.64973812825900
2013-11-01 764.64065979319310
2013-12-01 691.90917881852700
2014-01-01 758.28440092105390
2014-02-01 739.97887169735790
2014-03-01 603.38798440241000
2014-04-01 698.10893209095990
2014-05-01 673.13099373176810
2014-06-01 711.61682313017310
2014-07-01 777.60719105506000
2014-08-01 657.76921378692800
2014-09-01 729.41756563439800
2014-10-01 707.65687796811490
2014-11-01 699.08267865528310
2014-12-01 832.14048888522700
2015-01-01 674.20902955413600
2015-02-01 679.81997179167100
2015-03-01 656.04433919980310
2015-04-01 692.87531073709500
2015-05-01 690.34627167502000
2015-06-01 686.74114598532600
2015-07-01 724.64743845097390
2015-08-01 763.71663703024400
2015-09-01 753.21801056732000
2015-10-01 759.40152730221500
2015-11-01 763.32917379973210
2015-12-01 808.68082854841400
2016-01-01 793.78262597883500
2016-02-01 810.33845748989000
2016-03-01 882.07669984904410
2016-04-01 782.53398939877000
2016-05-01 835.72609850899400
2016-06-01 831.84097954049200
2016-07-01 752.40386062312100
2016-08-01 752.18707812857190
2016-09-01 728.72536547796710
2016-10-01 604.60283388539100
2016-11-01 748.01083836577610
2016-12-01 757.06085476071200
2017-01-01 783.43317731516990
2017-02-01 885.44266839928800
2017-03-01 636.89193173869000
2017-04-01 776.35628543932600
2017-05-01 909.16027013345090
2017-06-01 848.71866485927700
2017-07-01 828.50806639908490
2017-08-01 858.01031336013700
2017-09-01 851.00324957295700
2017-10-01 834.92441965655700
2017-11-01 844.42766741786690
2017-12-01 859.02428398320300
2018-01-01 863.03134858390400
2018-02-01 817.66948941064700
2018-03-01 801.84091123462600
2018-04-01 779.04504971998100
2018-05-01 717.22676393580800
2018-06-01 723.82713505722700
2018-07-01 715.75243335186500
2018-08-01 773.96701828467500
2018-09-01 675.20208130974990
2018-10-01 790.93611288728900
2018-11-01 859.92432672895900
2018-12-01 629.30310353244100
2019-01-01 612.48521604311410
2019-02-01 596.74261627118110
2019-03-01 648.86122675166900
2019-04-01 745.61404539442500
2019-05-01 753.49731127477000
2019-06-01 778.62317726068900
2019-07-01 793.05472114688290
2019-08-01 710.99470537985110
2019-09-01 752.68257147560110
2019-10-01 787.60107495134300
2019-11-01 769.45156788664200
2019-12-01 857.84825282686710
2020-01-01 725.29624285671000
2020-02-01 764.65724101184900
2020-03-01 692.59043658075700
2020-04-01 405.04847168502800
2020-05-01 622.44638397031000
2020-06-01 690.11307848234490
2020-07-01 858.08347086097310
2020-08-01 727.62747001058900
2020-09-01 841.55688669319700
2020-10-01 729.86334876481910
2020-11-01 752.54170537420800
2020-12-01 758.02224180167400
2021-01-01 882.23828594068210
2021-02-01 971.15652435386000
2021-03-01 854.34037086287710
2021-04-01 712.28446300965390
2021-05-01 572.74162838184100
2021-06-01 632.89458448689500
2021-07-01 674.43381946043200
2021-08-01 704.15508226420700
2021-09-01 703.46003572521810
2021-10-01 678.71596489971500
2021-11-01 686.51970940072310
2021-12-01 739.94946579178300
2022-01-01 655.72308080024600
2022-02-01 700.46295996706500
2022-03-01 641.86802191877600
2022-04-01 607.92097307986190
2022-05-01 706.63746972304310
2022-06-01 617.31831856352600
2022-07-01 554.82747931316400
2022-08-01 558.25264685244200
2022-09-01 481.39833133157896
2022-10-01 435.42166508274596
2022-11-01 431.66422327472300
2022-12-01 395.71785549528505
2023-01-01 378.64624956179800
2023-02-01 385.16726084188696
2023-03-01 462.84532889176694
2023-04-01 467.61496769755400
2023-05-01 553.35921112093900
2023-06-01 565.51566476024600
2023-07-01 485.09647183964900
2023-08-01 480.68343740713500
2023-09-01 528.10625663025600
2023-10-01 593.30359200667700
2023-11-01 596.15179631184300
2023-12-01 590.09058755846400
2024-01-01 617.40454620259900
2024-02-01 575.08077707131900
2024-03-01 499.12958427921404
2024-04-01 556.98820883536400
2024-05-01 480.16935963448196
2024-06-01 442.53558862945800
2024-07-01 525.74371658547500
2024-08-01 547.51406367771600
2024-09-01 534.29383972034000

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