Table Data - New Private Housing Units Authorized by Building Permits: 1-Unit Structures for Boston-Cambridge-Newton, MA-NH (MSA)

Title New Private Housing Units Authorized by Building Permits: 1-Unit Structures for Boston-Cambridge-Newton, MA-NH (MSA)
Series ID BOST625BP1FHSA
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 2026-09-01
Last Updated 2026-10-27 8:53 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
1988-01-01 606.261536373262
1988-02-01 633.147909295424
1988-03-01 904.568999230046
1988-04-01 572.698710757212
1988-05-01 546.541734955761
1988-06-01 502.043259952307
1988-07-01 538.240629294580
1988-08-01 492.971924417359
1988-09-01 503.681828974726
1988-10-01 469.418199203875
1988-11-01 458.457378345094
1988-12-01 526.255272860381
1989-01-01 477.998362905302
1989-02-01 453.541956106649
1989-03-01 441.827246922015
1989-04-01 414.233184685653
1989-05-01 383.675662837671
1989-06-01 399.615705239637
1989-07-01 355.466941892676
1989-08-01 375.717340090248
1989-09-01 404.426849432579
1989-10-01 385.605291058083
1989-11-01 406.599704379823
1989-12-01 362.693890619391
1990-01-01 415.205741809237
1990-02-01 479.442709648316
1990-03-01 342.382811854754
1990-04-01 292.796540066371
1990-05-01 321.493637773117
1990-06-01 315.742723427459
1990-07-01 289.438694832774
1990-08-01 292.867585438200
1990-09-01 249.938569185290
1990-10-01 263.027005295521
1990-11-01 334.328460837913
1990-12-01 273.906534462325
1991-01-01 241.090390677489
1991-02-01 258.121066060296
1991-03-01 299.670943185030
1991-04-01 355.339442225773
1991-05-01 402.632696606030
1991-06-01 366.198055895573
1991-07-01 375.253001127217
1991-08-01 398.574833685921
1991-09-01 378.118115659303
1991-10-01 396.405271816970
1991-11-01 367.651727037011
1991-12-01 346.549285960149
1992-01-01 369.261963242735
1992-02-01 429.704648431707
1992-03-01 486.831218307353
1992-04-01 457.790917417746
1992-05-01 427.814084848839
1992-06-01 447.610290625751
1992-07-01 537.056103479427
1992-08-01 428.189936494605
1992-09-01 495.866201468797
1992-10-01 517.602888165435
1992-11-01 488.188593929261
1992-12-01 591.076153666075
1993-01-01 1049.919693900830
1993-02-01 1023.370633302210
1993-03-01 845.349211519246
1993-04-01 947.510182177829
1993-05-01 985.831709790488
1993-06-01 1029.620874221490
1993-07-01 1068.991503605570
1993-08-01 1113.642982744970
1993-09-01 1160.214747258540
1993-10-01 1178.924303131900
1993-11-01 1223.919991515600
1993-12-01 1137.020690623050
1994-01-01 616.868224951697
1994-02-01 546.056489212775
1994-03-01 574.119357862450
1994-04-01 681.083409014178
1994-05-01 626.248283101870
1994-06-01 647.254505970011
1994-07-01 678.141200757446
1994-08-01 648.043548317303
1994-09-01 665.535536156274
1994-10-01 617.399924372573
1994-11-01 735.245389828416
1994-12-01 747.145548454289
1995-01-01 542.672088710204
1995-02-01 473.735288995377
1995-03-01 580.417571437035
1995-04-01 496.816882795575
1995-05-01 563.914300983626
1995-06-01 560.557990662533
1995-07-01 490.872301034331
1995-08-01 571.720836889752
1995-09-01 553.891085576478
1995-10-01 494.358538864553
1995-11-01 632.449419371150
1995-12-01 513.258403613468
1996-01-01 468.860085579777
1996-02-01 490.986412736358
1996-03-01 566.513457026666
1996-04-01 596.451975539586
1996-05-01 618.763995249771
1996-06-01 552.486702565964
1996-07-01 620.157747777229
1996-08-01 603.084725013701
1996-09-01 562.903526984727
1996-10-01 639.781289613710
1996-11-01 502.725373448584
1996-12-01 581.188917337074
1997-01-01 651.271155776709
1997-02-01 685.581030007439
1997-03-01 586.669739045710
1997-04-01 548.044494954950
1997-05-01 568.489091116260
1997-06-01 602.741731441529
1997-07-01 620.738939411019
1997-08-01 567.035923986545
1997-09-01 577.911789359262
1997-10-01 688.904019175276
1997-11-01 564.048245859214
1997-12-01 613.123334614382
1998-01-01 701.399623227673
1998-02-01 722.413957593730
1998-03-01 639.011327100191
1998-04-01 624.298314941362
1998-05-01 578.736516220620
1998-06-01 605.672245988143
1998-07-01 597.941922207027
1998-08-01 570.046521655748
1998-09-01 668.415899056893
1998-10-01 605.800654223388
1998-11-01 602.242195922512
1998-12-01 692.758704615653
1999-01-01 578.933050935510
1999-02-01 535.793959332273
1999-03-01 591.622601790155
1999-04-01 635.166787131691
1999-05-01 571.230172831636
1999-06-01 573.330153729648
1999-07-01 521.571536518938
1999-08-01 566.106877766952
1999-09-01 528.339265890271
1999-10-01 478.472863802963
1999-11-01 540.784218861185
1999-12-01 581.764525994678
2000-01-01 480.731380994107
2000-02-01 557.234034053026
2000-03-01 575.020116590566
2000-04-01 450.666760640481
2000-05-01 459.532884157900
2000-06-01 494.012670280866
2000-07-01 474.012435798124
2000-08-01 469.879745651650
2000-09-01 471.485696736465
2000-10-01 456.299163689586
2000-11-01 514.443799479645
2000-12-01 490.055334119905
2001-01-01 472.753273052558
2001-02-01 481.413588419919
2001-03-01 388.114117461192
2001-04-01 433.091304469107
2001-05-01 474.753429655774
2001-06-01 442.023178834274
2001-07-01 466.084069186574
2001-08-01 464.109848149319
2001-09-01 410.096370625483
2001-10-01 430.843273907881
2001-11-01 420.057314671851
2001-12-01 415.467541893495
2002-01-01 533.145045522836
2002-02-01 427.336842929283
2002-03-01 442.706470868089
2002-04-01 451.770204221950
2002-05-01 469.507201971269
2002-06-01 399.885371863065
2002-07-01 439.382880346242
2002-08-01 456.165956952140
2002-09-01 440.343795207446
2002-10-01 514.603824357272
2002-11-01 438.516976631730
2002-12-01 396.021212544618
2003-01-01 410.124059456629
2003-02-01 375.797492578269
2003-03-01 363.125569929747
2003-04-01 427.630404258963
2003-05-01 400.804168088449
2003-06-01 432.183459677443
2003-07-01 428.194799929029
2003-08-01 365.011057485889
2003-09-01 459.648962089374
2003-10-01 472.653867719201
2003-11-01 452.236936148426
2003-12-01 487.050375432911
2004-01-01 613.604221925281
2004-02-01 647.385437974972
2004-03-01 678.203393973577
2004-04-01 703.794612799517
2004-05-01 564.256242367371
2004-06-01 680.866417976175
2004-07-01 685.255027529398
2004-08-01 645.763437670139
2004-09-01 637.131739846932
2004-10-01 626.054400919907
2004-11-01 672.389579330074
2004-12-01 692.833085099976
2005-01-01 641.875629420097
2005-02-01 626.650288232975
2005-03-01 660.602438906927
2005-04-01 584.557940094783
2005-05-01 673.178910202848
2005-06-01 643.668789010580
2005-07-01 687.938067321085
2005-08-01 718.494841711774
2005-09-01 821.422925900149
2005-10-01 616.488324292640
2005-11-01 666.819878601832
2005-12-01 649.261072515384
2006-01-01 610.093681234800
2006-02-01 677.996463827686
2006-03-01 653.179405573545
2006-04-01 577.407332336273
2006-05-01 512.369590639747
2006-06-01 563.060167245111
2006-07-01 481.001016870721
2006-08-01 466.108473549080
2006-09-01 480.644205518569
2006-10-01 503.052889108522
2006-11-01 438.061320401967
2006-12-01 445.373925595418
2007-01-01 443.428761376691
2007-02-01 379.229686199120
2007-03-01 374.163031384528
2007-04-01 434.781918098036
2007-05-01 523.975898390561
2007-06-01 397.515155429317
2007-07-01 415.434205799339
2007-08-01 427.144490302788
2007-09-01 362.841628955924
2007-10-01 428.210634019006
2007-11-01 414.450648918974
2007-12-01 514.305143899584
2008-01-01 344.935310850663
2008-02-01 339.325015960411
2008-03-01 254.530294398607
2008-04-01 310.590966327831
2008-05-01 320.794949765557
2008-06-01 264.843775855324
2008-07-01 266.085829614044
2008-08-01 278.301745814310
2008-09-01 306.429951493468
2008-10-01 235.976177439499
2008-11-01 215.960535635804
2008-12-01 197.125736010705
2009-01-01 213.050600896712
2009-02-01 187.931821851085
2009-03-01 223.210248877532
2009-04-01 201.614877889271
2009-05-01 213.941524057975
2009-06-01 257.398899938805
2009-07-01 263.258631626173
2009-08-01 241.544148644645
2009-09-01 278.018682065199
2009-10-01 259.253994169813
2009-11-01 274.067718234874
2009-12-01 342.243354150093
2010-01-01 317.705155497618
2010-02-01 323.154525129773
2010-03-01 304.028889185850
2010-04-01 339.941164982691
2010-05-01 299.763221683799
2010-06-01 334.379733229612
2010-07-01 303.442543355025
2010-08-01 277.181483488405
2010-09-01 316.783334489765
2010-10-01 220.469052913754
2010-11-01 313.976253585400
2010-12-01 356.225087058032
2011-01-01 268.728497500189
2011-02-01 204.080176071363
2011-03-01 273.983701433498
2011-04-01 271.503162432371
2011-05-01 265.072234480144
2011-06-01 265.964673629623
2011-07-01 256.449253626569
2011-08-01 277.540648682332
2011-09-01 259.433535188634
2011-10-01 283.246980789857
2011-11-01 270.677039018248
2011-12-01 268.772405472937
2012-01-01 297.558291526465
2012-02-01 334.735473354324
2012-03-01 356.300362198310
2012-04-01 300.714638113468
2012-05-01 340.650803396844
2012-06-01 284.843557400713
2012-07-01 330.045934003702
2012-08-01 358.827133819681
2012-09-01 329.071773044739
2012-10-01 343.202479359097
2012-11-01 373.106622088713
2012-12-01 367.836556815980
2013-01-01 388.834271056905
2013-02-01 410.491468811474
2013-03-01 369.863479243910
2013-04-01 407.242328200799
2013-05-01 443.248875814740
2013-06-01 406.294093592282
2013-07-01 409.886702185647
2013-08-01 435.692600649571
2013-09-01 416.198666725094
2013-10-01 458.606515289648
2013-11-01 432.418325318516
2013-12-01 407.700660083183
2014-01-01 448.020787513971
2014-02-01 411.554817445552
2014-03-01 386.385621389358
2014-04-01 403.050200700792
2014-05-01 399.510248370662
2014-06-01 377.736829873648
2014-07-01 407.966241527145
2014-08-01 341.397930712843
2014-09-01 469.689743579902
2014-10-01 391.245275329649
2014-11-01 344.582839126988
2014-12-01 424.006957097372
2015-01-01 308.031448978903
2015-02-01 258.788757159679
2015-03-01 314.576898200995
2015-04-01 383.205695737348
2015-05-01 361.486311304947
2015-06-01 409.322436074112
2015-07-01 462.587876859484
2015-08-01 399.760857165706
2015-09-01 439.222091894254
2015-10-01 389.038102946069
2015-11-01 456.590711694384
2015-12-01 451.057252598030
2016-01-01 376.498877397128
2016-02-01 427.168180142903
2016-03-01 490.239973821405
2016-04-01 472.099963391499
2016-05-01 409.771463348320
2016-06-01 472.979372233934
2016-07-01 384.774905975135
2016-08-01 443.180560194644
2016-09-01 429.916430922098
2016-10-01 445.313727262745
2016-11-01 434.926995216324
2016-12-01 438.027886763936
2017-01-01 467.414902099449
2017-02-01 388.310815118566
2017-03-01 451.407575764763
2017-04-01 372.347814413389
2017-05-01 442.996886806281
2017-06-01 413.587515643487
2017-07-01 426.571313241819
2017-08-01 455.790012030229
2017-09-01 439.770256016660
2017-10-01 414.934701971520
2017-11-01 500.703791176150
2017-12-01 436.097134564668
2018-01-01 330.982336875934
2018-02-01 416.442835962502
2018-03-01 434.078460305579
2018-04-01 403.232668903267
2018-05-01 524.337192883933
2018-06-01 397.590658726888
2018-07-01 379.041774696256
2018-08-01 355.745239122686
2018-09-01 375.096890258813
2018-10-01 483.511201496045
2018-11-01 353.868398882209
2018-12-01 350.687662461613
2019-01-01 368.833230707251
2019-02-01 346.369097688599
2019-03-01 301.093709403480
2019-04-01 370.337979157093
2019-05-01 354.801042223771
2019-06-01 330.175712639573
2019-07-01 392.845861136691
2019-08-01 388.302254230261
2019-09-01 369.314654808470
2019-10-01 389.082137777619
2019-11-01 363.022656166343
2019-12-01 318.873595619998
2020-01-01 513.159143968627
2020-02-01 396.562286501548
2020-03-01 375.793178106692
2020-04-01 258.266615656303
2020-05-01 317.031567811024
2020-06-01 362.792757922524
2020-07-01 422.936908264754
2020-08-01 379.220352615574
2020-09-01 411.730345066334
2020-10-01 413.085328281911
2020-11-01 415.130914619447
2020-12-01 426.086724892558
2021-01-01 446.311330774959
2021-02-01 483.074619158089
2021-03-01 455.395800533713
2021-04-01 493.938778147391
2021-05-01 438.399756079263
2021-06-01 433.830784872202
2021-07-01 367.892857275871
2021-08-01 402.795014560247
2021-09-01 382.931651359795
2021-10-01 358.683857225954
2021-11-01 406.153602211294
2021-12-01 424.430480146134
2022-01-01 379.116768200082
2022-02-01 407.848869123620
2022-03-01 411.387665228906
2022-04-01 337.631025212666
2022-05-01 341.136926845464
2022-06-01 299.561716766272
2022-07-01 334.872678966414
2022-08-01 313.188291012511
2022-09-01 398.288066744080
2022-10-01 317.565857518667
2022-11-01 331.653445601538
2022-12-01 328.570929575292
2023-01-01 310.074457639215
2023-02-01 294.572357963869
2023-03-01 302.018622858526
2023-04-01 281.101365449274
2023-05-01 311.735826574644
2023-06-01 348.739801888203
2023-07-01 288.606185614772
2023-08-01 328.563804884042
2023-09-01 261.137829066825
2023-10-01 302.168767237142
2023-11-01 292.577533667724
2023-12-01 292.147530373122
2024-01-01 320.518432790778
2024-02-01 328.402803966790
2024-03-01 304.361453910619
2024-04-01 317.208215090099
2024-05-01 335.202353470911
2024-06-01 329.684885171275
2024-07-01 299.810221983878
2024-08-01 290.370777296647
2024-09-01 280.757583261890
2024-10-01 314.970415728698
2024-11-01 288.388774720566
2024-12-01 285.096867588328
2025-01-01 296.895750490866
2025-02-01 247.665084777385
2025-03-01 283.150325527539
2025-04-01 296.967632322621
2025-05-01 289.219108030456
2025-06-01 219.816541000755
2025-07-01 304.187872227272
2025-08-01 307.118679575377
2025-09-01 311.390182566389
2025-10-01 357.622382531390
2025-11-01 278.041196159828
2025-12-01 280.024284653911
2026-01-01 290.371181458632
2026-02-01 237.333649238553
2026-03-01 291.069017221227
2026-04-01 363.295820038132
2026-05-01 351.734014279170
2026-06-01 435.589559440255
2026-07-01 367.613627645420
2026-08-01 332.691828335635
2026-09-01 385.119020388739

Back to Top