76 communes, 356 480 bâtiments au total.
| Commune | Code | Bâtiments | Logements | Ventes | Prix médian appart. | Prix médian maison | Population |
|---|---|---|---|---|---|---|---|
| Andilly | 95580 | 1 413 | 1 272 | 263 | 2 500 €/m² | 3 798 €/m² | 2 742 |
| Argenteuil | 95100 | 27 432 | 53 637 | 33 120 | 3 059 €/m² | 3 410 €/m² | 106 130 |
| Arnouville | 95400 | 8 424 | 6 344 | 7 097 | 2 331 €/m² | 2 316 €/m² | 15 023 |
| Asnières-sur-Oise | 95270 | 2 053 | 1 711 | 395 | 3 527 €/m² | 3 539 €/m² | 3 127 |
| Auvers-sur-Oise | 95430 | 4 482 | 5 289 | 3 311 | 3 864 €/m² | 3 424 €/m² | 6 863 |
| Beauchamp | 95250 | 4 714 | 3 164 | 3 064 | 3 374 €/m² | 3 812 €/m² | 9 849 |
| Beaumont-sur-Oise | 95260 | 3 881 | 5 349 | 5 427 | 3 250 €/m² | 2 955 €/m² | 10 232 |
| Bernes-sur-Oise | 95340 | 1 156 | 1 089 | 274 | 3 915 €/m² | 2 412 €/m² | 2 684 |
| Bessancourt | 95550 | 3 736 | 3 638 | 728 | 3 847 €/m² | 3 570 €/m² | 8 869 |
| Bezons | 95870 | 7 309 | 16 031 | 9 669 | 3 889 €/m² | 4 085 €/m² | 36 434 |
| Bouffémont | 95570 | 2 489 | 28 288 | 43 822 | 3 725 €/m² | 3 060 €/m² | 6 593 |
| Bruyères-sur-Oise | 95820 | 2 020 | 1 864 | 865 | 1 616 €/m² | 2 945 €/m² | 4 921 |
| Cergy | 95000 | 10 672 | 46 476 | 43 615 | 2 817 €/m² | 2 458 €/m² | 70 906 |
| Champagne-sur-Oise | 95660 | 2 879 | 2 985 | 1 414 | 2 343 €/m² | 3 273 €/m² | 5 036 |
| Chaumontel | 95270 | 2 165 | 1 758 | 346 | 3 780 €/m² | 3 202 €/m² | 3 332 |
| Cormeilles-en-Parisis | 95240 | 9 290 | 13 080 | 7 629 | 4 423 €/m² | 4 470 €/m² | 27 292 |
| Courdimanche | 95800 | 2 431 | 3 329 | 1 975 | 3 400 €/m² | 3 752 €/m² | 7 311 |
| Deuil-la-Barre | 95170 | 6 887 | 13 036 | 12 332 | 3 273 €/m² | 4 253 €/m² | 23 099 |
| Domont | 95330 | 5 451 | 18 407 | 30 783 | 2 751 €/m² | 3 197 €/m² | 16 065 |
| Eaubonne | 95600 | 7 299 | 14 015 | 14 161 | 2 855 €/m² | 3 991 €/m² | 26 211 |
| Écouen | 95440 | 2 953 | 3 758 | 4 668 | 2 522 €/m² | 4 038 €/m² | 7 202 |
| Enghien-les-Bains | 95880 | 3 175 | 6 245 | 5 077 | 4 787 €/m² | 5 659 €/m² | 11 432 |
| Éragny | 95610 | 5 232 | 17 924 | 24 534 | 2 845 €/m² | 3 234 €/m² | 18 436 |
| Ermont | 95120 | 6 348 | 11 368 | 9 036 | 3 638 €/m² | 4 799 €/m² | 29 489 |
| Ézanville | 95460 | 3 429 | 4 411 | 5 282 | 2 796 €/m² | 3 509 €/m² | 9 858 |
| Fosses | 95470 | 3 983 | 3 908 | 1 210 | 1 679 €/m² | 2 757 €/m² | 10 570 |
| Franconville | 95130 | 6 401 | 18 141 | 7 912 | 2 680 €/m² | 3 706 €/m² | 37 754 |
| Frépillon | 95740 | 1 498 | 2 148 | 1 300 | 2 912 €/m² | 3 019 €/m² | 3 317 |
| Garges-lès-Gonesse | 95140 | 5 322 | 19 168 | 18 462 | 1 971 €/m² | 3 378 €/m² | 41 791 |
| Gonesse | 95500 | 6 064 | 11 621 | 5 771 | 3 017 €/m² | 2 850 €/m² | 27 707 |
| Goussainville | 95190 | 12 426 | 14 779 | 5 459 | 3 839 €/m² | 3 116 €/m² | 31 301 |
| Groslay | 95410 | 3 313 | — | 3 735 | 2 966 €/m² | 3 711 €/m² | 8 453 |
| Herblay-sur-Seine | 95220 | 10 626 | — | 10 828 | 3 469 €/m² | 4 106 €/m² | 31 779 |
| Jouy-le-Moutier | 95280 | 7 201 | 7 477 | 9 616 | 3 614 €/m² | 2 794 €/m² | 17 854 |
| L'Isle-Adam | 95290 | 5 538 | 17 557 | 27 226 | 2 886 €/m² | 4 412 €/m² | 12 493 |
| La Frette-sur-Seine | 95530 | 2 171 | 2 511 | 1 059 | 3 587 €/m² | 4 142 €/m² | 4 570 |
| Le Plessis-Bouchard | 95130 | 3 496 | — | 6 008 | 3 118 €/m² | 3 649 €/m² | 8 518 |
| Le Thillay | 95500 | 2 649 | 2 533 | 1 240 | 2 281 €/m² | 3 350 €/m² | 4 560 |
| Louvres | 95380 | 3 995 | 24 008 | 41 437 | 3 844 €/m² | 2 815 €/m² | 12 560 |
| Luzarches | 95270 | 2 495 | 2 660 | 1 598 | 3 583 €/m² | 3 984 €/m² | 5 008 |
| Magny-en-Vexin | 95420 | 3 054 | 3 374 | 1 133 | 2 834 €/m² | 2 668 €/m² | 5 779 |
| Margency | 95580 | 1 088 | 2 766 | 1 872 | 4 209 €/m² | 3 471 €/m² | 3 012 |
| Marines | 95640 | 2 276 | 2 084 | 434 | 2 217 €/m² | 2 857 €/m² | 3 594 |
| Marly-la-Ville | 95670 | 2 582 | 3 024 | 1 521 | 3 274 €/m² | 2 881 €/m² | 6 022 |
| Menucourt | 95180 | 2 715 | 4 732 | 4 863 | 3 237 €/m² | 3 117 €/m² | 6 184 |
| Mériel | 95630 | 2 809 | 3 567 | 2 104 | 3 267 €/m² | 3 460 €/m² | 5 347 |
| Méry-sur-Oise | 95540 | 4 029 | 3 587 | 3 916 | 3 000 €/m² | 3 404 €/m² | 9 983 |
| Montigny-lès-Cormeilles | 95370 | 5 216 | 9 229 | 8 895 | 2 548 €/m² | 3 580 €/m² | 22 457 |
| Montlignon | 95680 | 1 521 | 1 907 | 965 | 3 281 €/m² | 4 355 €/m² | 3 038 |
| Montmagny | 95360 | 3 974 | 7 350 | 8 273 | 2 696 €/m² | 3 395 €/m² | 15 105 |
| Montmorency | 95160 | 6 293 | 14 535 | 15 098 | 3 708 €/m² | 3 845 €/m² | 21 763 |
| Montsoult | 95560 | 1 621 | 2 329 | 1 173 | 2 879 €/m² | 2 640 €/m² | 4 023 |
| Osny | 95520 | 6 665 | 6 975 | 9 381 | 3 481 €/m² | 2 900 €/m² | 17 954 |
| Parmain | 95620 | 3 312 | 14 692 | 19 457 | 3 902 €/m² | 3 183 €/m² | 5 655 |
| Persan | 95340 | 3 256 | 3 912 | 2 810 | 2 847 €/m² | 2 818 €/m² | 14 359 |
| Pierrelaye | 95220 | 4 227 | 4 292 | 1 963 | 2 650 €/m² | 3 495 €/m² | 10 130 |
| Pontoise | 95000 | 5 965 | 16 776 | 14 176 | 2 801 €/m² | 2 990 €/m² | 31 970 |
| Presles | 95590 | 2 334 | 2 274 | 667 | 4 101 €/m² | 3 791 €/m² | 4 017 |
| Puiseux-en-France | 95380 | 1 747 | 1 654 | 329 | 4 085 €/m² | 2 948 €/m² | 3 765 |
| Roissy-en-France | 95700 | 1 520 | 1 808 | 727 | 3 529 €/m² | 2 509 €/m² | 2 674 |
| Saint-Brice-sous-Forêt | 95350 | 4 544 | 7 060 | 8 602 | 2 762 €/m² | 3 578 €/m² | 15 063 |
| Saint-Gratien | 95210 | 3 820 | 8 057 | 6 327 | 3 333 €/m² | 4 656 €/m² | 21 336 |
| Saint-Leu-la-Forêt | 95320 | 7 267 | 6 899 | 6 739 | 3 063 €/m² | 4 170 €/m² | 16 138 |
| Saint-Martin-du-Tertre | 95270 | 1 242 | 1 226 | 233 | 3 295 €/m² | 2 558 €/m² | 2 689 |
| Saint-Ouen-l'Aumône | 95310 | 6 935 | 16 310 | 20 254 | 3 204 €/m² | 2 751 €/m² | 25 578 |
| Saint-Prix | 95390 | 3 902 | 2 400 | 2 708 | 4 266 €/m² | 3 862 €/m² | 7 612 |
| Saint-Witz | 95470 | 1 495 | 4 190 | 3 303 | 3 170 €/m² | 2 900 €/m² | 2 724 |
| Sannois | 95110 | 6 991 | 12 473 | 9 833 | 3 136 €/m² | 3 468 €/m² | 26 924 |
| Sarcelles | 95200 | 8 058 | 23 378 | 15 835 | 1 899 €/m² | 3 242 €/m² | 59 173 |
| Soisy-sous-Montmorency | 95230 | 5 511 | 8 546 | 9 484 | 2 951 €/m² | 4 213 €/m² | 18 008 |
| Survilliers | 95470 | 1 141 | 2 009 | 757 | 2 600 €/m² | 3 431 €/m² | 4 091 |
| Taverny | 95150 | 9 197 | 17 225 | 23 740 | 2 688 €/m² | 3 435 €/m² | 27 593 |
| Vauréal | 95490 | 5 706 | 6 545 | 2 612 | 3 788 €/m² | 3 226 €/m² | 16 079 |
| Vémars | 95470 | 1 318 | 2 249 | 1 263 | 2 739 €/m² | 2 931 €/m² | 3 124 |
| Viarmes | 95270 | 3 506 | 3 213 | 1 135 | 3 566 €/m² | 3 085 €/m² | 5 558 |
| Villiers-le-Bel | 95400 | 5 145 | 18 820 | 24 032 | 2 000 €/m² | 2 240 €/m² | 30 053 |