| Buildings according to number of floors under ground. 48-Vizcaya |
| TOTAL | 0 | 1 | 2 | 3 or more | |
| TOTAL | 77059 | 71743 | 4627 | 516 | 173 |
| 48001-Abadiño | 656 | 618 | 38 | 0 | 0 |
| 48002-Abanto y Ciérvana-Abanto Zierbena | 1274 | 1120 | 150 | 4 | 0 |
| 48911-Ajangiz | 141 | 141 | 0 | 0 | 0 |
| 48912-Alonsotegi | 311 | 307 | 1 | 2 | 1 |
| 48003-Amorebieta-Etxano | 1288 | 1256 | 31 | 1 | 0 |
| 48004-Amoroto | 119 | 113 | 5 | 1 | 0 |
| 48005-Arakaldo | 37 | 37 | 0 | 0 | 0 |
| 48006-Arantzazu | 86 | 82 | 4 | 0 | 0 |
| 48093-Areatza | 199 | 176 | 23 | 0 | 0 |
| 48009-Arrankudiaga | 233 | 232 | 0 | 1 | 0 |
| 48914-Arratzu | 161 | 161 | 0 | 0 | 0 |
| 48010-Arrieta | 223 | 219 | 4 | 0 | 0 |
| 48011-Arrigorriaga | 676 | 541 | 107 | 28 | 0 |
| 48023-Artea | 275 | 242 | 33 | 0 | 0 |
| 48008-Artzentales | 287 | 277 | 10 | 0 | 0 |
| 48091-Atxondo | 281 | 257 | 24 | 0 | 0 |
| 48070-Aulesti | 258 | 257 | 1 | 0 | 0 |
| 48012-Bakio | 617 | 559 | 58 | 0 | 0 |
| 48090-Balmaseda | 591 | 583 | 6 | 2 | 0 |
| 48013-Barakaldo | 3673 | 3404 | 228 | 31 | 10 |
| 48014-Barrika | 322 | 233 | 89 | 0 | 0 |
| 48015-Basauri | 1709 | 1563 | 85 | 32 | 29 |
| 48092-Bedia | 319 | 302 | 17 | 0 | 0 |
| 48016-Berango | 803 | 606 | 197 | 0 | 0 |
| 48017-Bermeo | 1211 | 1073 | 116 | 21 | 1 |
| 48018-Berriatua | 280 | 277 | 3 | 0 | 0 |
| 48019-Berriz | 572 | 482 | 88 | 2 | 0 |
| 48020-Bilbao | 11134 | 10144 | 725 | 178 | 87 |
| 48021-Busturia | 397 | 377 | 20 | 0 | 0 |
| 48901-Derio | 434 | 418 | 15 | 1 | 0 |
| 48026-Dima | 542 | 511 | 31 | 0 | 0 |
| 48027-Durango | 1213 | 1171 | 37 | 5 | 0 |
| 48028-Ea | 308 | 292 | 16 | 0 | 0 |
| 48031-Elantxobe | 135 | 129 | 4 | 0 | 2 |
| 48032-Elorrio | 874 | 869 | 5 | 0 | 0 |
| 48902-Erandio | 1559 | 1534 | 21 | 4 | 0 |
| 48033-Ereño | 94 | 94 | 0 | 0 | 0 |
| 48034-Ermua | 489 | 446 | 35 | 8 | 0 |
| 48079-Errigoiti | 187 | 187 | 0 | 0 | 0 |
| 48029-Etxebarri Anteiglesia de San Esteban-Etxebarri Doneztebeko El | 473 | 431 | 33 | 7 | 2 |
| 48030-Etxebarria | 206 | 199 | 7 | 0 | 0 |
| 48906-Forua | 247 | 222 | 24 | 1 | 0 |
| 48035-Fruiz | 129 | 123 | 6 | 0 | 0 |
| 48036-Galdakao | 1710 | 1467 | 208 | 34 | 1 |
| 48037-Galdames | 363 | 344 | 19 | 0 | 0 |
| 48038-Gamiz-Fika | 391 | 384 | 7 | 0 | 0 |
| 48039-Garay | 91 | 84 | 6 | 0 | 1 |
| 48040-Gatika | 403 | 386 | 17 | 0 | 0 |
| 48041-Gautegiz Arteaga | 337 | 331 | 6 | 0 | 0 |
| 48046-Gernika-Lumo | 1029 | 928 | 83 | 14 | 4 |
| 48044-Getxo | 4396 | 4189 | 194 | 12 | 1 |
| 48047-Gizaburuaga | 50 | 50 | 0 | 0 | 0 |
| 48042-Gordexola | 518 | 482 | 35 | 1 | 0 |
| 48043-Gorliz | 941 | 927 | 14 | 0 | 0 |
| 48045-Güeñes | 816 | 805 | 10 | 1 | 0 |
| 48048-Ibarrangelu | 261 | 259 | 2 | 0 | 0 |
| 48094-Igorre | 520 | 510 | 9 | 1 | 0 |
| 48049-Ispaster | 226 | 214 | 12 | 0 | 0 |
| 48910-Iurreta | 428 | 428 | 0 | 0 | 0 |
| 48050-Izurtza | 114 | 114 | 0 | 0 | 0 |
| 48022-Karrantza Harana/Valle de Carranza | 1226 | 1220 | 5 | 1 | 0 |
| 48907-Kortezubi | 178 | 178 | 0 | 0 | 0 |
| 48051-Lanestosa | 147 | 141 | 6 | 0 | 0 |
| 48052-Larrabetzu | 381 | 381 | 0 | 0 | 0 |
| 48053-Laukiz | 295 | 295 | 0 | 0 | 0 |
| 48054-Leioa | 1456 | 1378 | 72 | 4 | 2 |
| 48057-Lekeitio | 813 | 772 | 36 | 3 | 2 |
| 48055-Lemoa | 499 | 488 | 8 | 3 | 0 |
| 48056-Lemoiz | 266 | 266 | 0 | 0 | 0 |
| 48081-Lezama | 443 | 411 | 32 | 0 | 0 |
| 48903-Loiu | 620 | 489 | 131 | 0 | 0 |
| 48058-Mallabia | 346 | 294 | 50 | 2 | 0 |
| 48060-Markina-Xemein | 840 | 835 | 4 | 1 | 0 |
| 48061-Maruri-Jatabe | 223 | 223 | 0 | 0 | 0 |
| 48059-Mañaria | 152 | 151 | 1 | 0 | 0 |
| 48062-Mendata | 165 | 165 | 0 | 0 | 0 |
| 48063-Mendexa | 112 | 96 | 14 | 2 | 0 |
| 48064-Meñaka | 206 | 206 | 0 | 0 | 0 |
| 48066-Morga | 190 | 190 | 0 | 0 | 0 |
| 48068-Mundaka | 318 | 302 | 16 | 0 | 0 |
| 48069-Mungia | 1863 | 1807 | 52 | 4 | 0 |
| 48007-Munitibar-Arbatzegi Gerrikaitz | 167 | 167 | 0 | 0 | 0 |
| 48908-Murueta | 101 | 92 | 9 | 0 | 0 |
| 48071-Muskiz | 876 | 802 | 74 | 0 | 0 |
| 48067-Muxika | 591 | 588 | 3 | 0 | 0 |
| 48909-Nabarniz | 108 | 107 | 1 | 0 | 0 |
| 48073-Ondarroa | 551 | 498 | 33 | 18 | 2 |
| 48075-Orozko | 603 | 563 | 40 | 0 | 0 |
| 48083-Ortuella | 841 | 729 | 89 | 16 | 7 |
| 48072-Otxandio | 323 | 323 | 0 | 0 | 0 |
| 48077-Plentzia | 701 | 700 | 1 | 0 | 0 |
| 48078-Portugalete | 1914 | 1783 | 117 | 9 | 5 |
| 48082-Santurtzi | 1809 | 1653 | 112 | 34 | 10 |
| 48084-Sestao | 1237 | 1144 | 76 | 14 | 3 |
| 48904-Sondika | 678 | 540 | 138 | 0 | 0 |
| 48085-Sopelana | 992 | 734 | 258 | 0 | 0 |
| 48086-Sopuerta | 723 | 720 | 3 | 0 | 0 |
| 48076-Sukarrieta | 150 | 96 | 52 | 2 | 0 |
| 48087-Trucios-Turtzioz | 252 | 252 | 0 | 0 | 0 |
| 48088-Ubide | 99 | 90 | 9 | 0 | 0 |
| 48065-Ugao-Miraballes | 264 | 257 | 4 | 2 | 1 |
| 48089-Urduliz | 507 | 400 | 107 | 0 | 0 |
| 48074-Urduña-Orduña | 707 | 699 | 8 | 0 | 0 |
| 48080-Valle de Trápaga-Trapagaran | 1163 | 1078 | 76 | 9 | 0 |
| 48095-Zaldibar | 279 | 272 | 7 | 0 | 0 |
| 48096-Zalla | 966 | 962 | 4 | 0 | 0 |
| 48905-Zamudio | 479 | 473 | 6 | 0 | 0 |
| 48097-Zaratamo | 343 | 313 | 30 | 0 | 0 |
| 48024-Zeanuri | 444 | 438 | 6 | 0 | 0 |
| 48025-Zeberio | 468 | 465 | 3 | 0 | 0 |
| 48913-Zierbena | 367 | 350 | 15 | 0 | 2 |