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California state law effectively prohibits counties from sharing owner names, so we are not able to provide that information in many places.
See top field coverage by county below. Read about our parcel schema fields or download a CSV with detailed coverage data. Have questions? Please reach out — we're happy to help.
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| Alameda County | 486,213 Parcels | Refreshed 2023-02-14 |
| Owner (100%) | Address (100%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (739,667) | Matched Buildings (503,233) |
| Alpine County | 2,321 Parcels | Refreshed 2022-07-19 |
| Owner (72%) | Address (58%) | Mailing Address (72%) |
| Parcel Number (100%) | Matched Addresses (4,098) | Matched Buildings (1,739) |
| Amador County | 23,929 Parcels | Refreshed 2022-02-15 |
| Owner (90%) | Address (80%) | Mailing Address (90%) |
| Parcel Number (97%) | Matched Addresses (27,409) | Matched Buildings (30,255) |
| Butte County | 95,350 Parcels | Refreshed 2022-02-15 |
| Owner (99%) | Address (83%) | Mailing Address (98%) |
| Parcel Number (100%) | Matched Addresses (131,890) | Matched Buildings (135,624) |
| Calaveras County | 43,474 Parcels | Refreshed 2022-10-12 |
| Owner (95%) | Address (80%) | Mailing Address (93%) |
| Parcel Number (100%) | Matched Addresses (33,948) | Matched Buildings (52,685) |
| Colusa County | 14,863 Parcels | Refreshed 2022-03-29 |
| Owner (92%) | Address (49%) | Mailing Address (83%) |
| Parcel Number (100%) | Matched Addresses (11,885) | Matched Buildings (19,520) |
| Contra Costa County | 382,977 Parcels | Refreshed 2022-05-24 |
| Owner (99%) | Address (98%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (504,510) | Matched Buildings (426,044) |
| Del Norte County | 16,062 Parcels | Refreshed 2022-09-27 |
| Owner (90%) | Address (92%) | Mailing Address (80%) |
| Parcel Number (100%) | Matched Addresses (17,857) | Matched Buildings (15,377) |
| El Dorado County | 115,949 Parcels | Refreshed 2022-02-15 |
| Owner (96%) | Address (82%) | Mailing Address (96%) |
| Parcel Number (100%) | Matched Addresses (114,998) | Matched Buildings (130,629) |
| Fresno County | 437,908 Parcels | Refreshed 2022-12-12 |
| Owner (97%) | Address (90%) | Mailing Address (95%) |
| Parcel Number (100%) | Matched Addresses (410,663) | Matched Buildings (411,297) |
| Glenn County | 15,351 Parcels | Refreshed 2022-05-24 |
| Owner (61%) | Address (65%) | Mailing Address (61%) |
| Parcel Number (100%) | Matched Addresses (15,388) | Matched Buildings (27,224) |
| Humboldt County | 72,492 Parcels | Refreshed 2022-02-15 |
| Owner (99%) | Address (72%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (88,550) | Matched Buildings (100,892) |
| Imperial County | 86,953 Parcels | Refreshed 2022-09-27 |
| Owner (77%) | Address (60%) | Mailing Address (76%) |
| Parcel Number (100%) | Matched Addresses (80,280) | Matched Buildings (65,817) |
| Inyo County | 17,505 Parcels | Refreshed 2021-10-26 |
| Owner (88%) | Address (80%) | Mailing Address (77%) |
| Parcel Number (100%) | Matched Addresses (13,489) | Matched Buildings (14,875) |
| Kern County | 419,228 Parcels | Refreshed 2023-03-14 |
| Owner (81%) | Address (65%) | Mailing Address (81%) |
| Parcel Number (100%) | Matched Addresses (372,819) | Matched Buildings (380,022) |
| Kings County | 50,022 Parcels | Refreshed 2021-11-23 |
| Owner (96%) | Address (76%) | Mailing Address (95%) |
| Parcel Number (100%) | Matched Addresses (57,747) | Matched Buildings (58,133) |
| Lake County | 63,994 Parcels | Refreshed 2022-03-01 |
| Owner (95%) | Address (100%) | Mailing Address (98%) |
| Parcel Number (100%) | Matched Addresses (52,759) | Matched Buildings (59,462) |
| Lassen County | 38,634 Parcels | Refreshed 2021-11-23 |
| Owner (87%) | Address (33%) | Mailing Address (63%) |
| Parcel Number (87%) | Matched Addresses (19,176) | Matched Buildings (24,741) |
| Los Angeles County | 2,420,278 Parcels | Refreshed 2023-01-31 |
| Owner (98%) | Address (95%) | Mailing Address (97%) |
| Parcel Number (100%) | Matched Addresses (4,225,034) | Matched Buildings (2,952,069) |
| Madera County | 61,772 Parcels | Refreshed 2022-08-30 |
| Owner (94%) | Address (80%) | Mailing Address (94%) |
| Parcel Number (100%) | Matched Addresses (66,043) | Matched Buildings (99,608) |
| Marin County | 96,276 Parcels | Refreshed 2022-02-15 |
| Owner (100%) | Address (91%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (151,923) | Matched Buildings (116,684) |
| Mariposa County | 14,293 Parcels | Refreshed 2022-10-12 |
| Owner (100%) | Address (100%) | Mailing Address (97%) |
| Parcel Number (100%) | Matched Addresses (13,423) | Matched Buildings (23,730) |
| Mendocino County | 60,674 Parcels | Refreshed 2022-10-12 |
| Owner (100%) | Address (100%) | Mailing Address (95%) |
| Parcel Number (100%) | Matched Addresses (63,856) | Matched Buildings (84,851) |
| Merced County | 89,543 Parcels | Refreshed 2023-01-31 |
| Owner (100%) | Address (88%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (112,734) | Matched Buildings (122,811) |
| Modoc County | 32,472 Parcels | Refreshed 2022-03-01 |
| Owner (84%) | Address (14%) | Mailing Address (84%) |
| Parcel Number (100%) | Matched Addresses (8,189) | Matched Buildings (14,723) |
| Mono County | 20,659 Parcels | Refreshed 2021-08-31 |
| Owner (89%) | Address (71%) | Mailing Address (44%) |
| Parcel Number (100%) | Matched Addresses (16,416) | Matched Buildings (12,947) |
| Monterey County | 122,441 Parcels | Refreshed 2022-05-24 |
| Owner (99%) | Address (82%) | Mailing Address (0%) |
| Parcel Number (100%) | Matched Addresses (193,808) | Matched Buildings (172,187) |
| Napa County | 50,191 Parcels | Refreshed 2021-11-23 |
| Owner (100%) | Address (89%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (71,523) | Matched Buildings (78,786) |
| Nevada County | 67,695 Parcels | Refreshed 2021-11-23 |
| Owner (94%) | Address (95%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (68,035) | Matched Buildings (87,789) |
| Orange County | 837,175 Parcels | Refreshed 2022-12-12 |
| Owner (90%) | Address (94%) | Mailing Address (90%) |
| Parcel Number (99%) | Matched Addresses (1,467,551) | Matched Buildings (847,894) |
| Placer County | 188,199 Parcels | Refreshed 2022-05-24 |
| Owner (92%) | Address (90%) | Mailing Address (90%) |
| Parcel Number (100%) | Matched Addresses (220,567) | Matched Buildings (208,050) |
| Plumas County | 26,218 Parcels | Refreshed 2022-03-01 |
| Owner (94%) | Address (85%) | Mailing Address (92%) |
| Parcel Number (100%) | Matched Addresses (24,734) | Matched Buildings (28,673) |
| Riverside County | 954,467 Parcels | Refreshed 2023-02-14 |
| Owner (100%) | Address (92%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (1,007,292) | Matched Buildings (958,289) |
| Sacramento County | 481,853 Parcels | Refreshed 2022-07-19 |
| Owner (100%) | Address (100%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (701,627) | Matched Buildings (572,365) |
| San Benito County | 23,743 Parcels | Refreshed 2022-02-15 |
| Owner (99%) | Address (98%) | Mailing Address (97%) |
| Parcel Number (100%) | Matched Addresses (25,169) | Matched Buildings (34,043) |
| San Bernardino County | 837,294 Parcels | Refreshed 2022-12-12 |
| Owner (99%) | Address (77%) | Mailing Address (86%) |
| Parcel Number (99%) | Matched Addresses (869,746) | Matched Buildings (844,809) |
| San Diego County | 1,080,875 Parcels | Refreshed 2023-01-18 |
| Owner (100%) | Address (98%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (1,560,084) | Matched Buildings (1,071,080) |
| San Francisco County | 226,245 Parcels | Refreshed 2022-03-01 |
| Owner (93%) | Address (93%) | Mailing Address (93%) |
| Parcel Number (100%) | Matched Addresses (470,570) | Matched Buildings (133,305) |
| San Joaquin County | 237,801 Parcels | Refreshed 2022-09-27 |
| Owner (97%) | Address (97%) | Mailing Address (97%) |
| Parcel Number (100%) | Matched Addresses (305,292) | Matched Buildings (296,113) |
| San Luis Obispo County | 129,961 Parcels | Refreshed 2022-02-15 |
| Owner (100%) | Address (91%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (165,817) | Matched Buildings (170,957) |
| San Mateo County | 235,165 Parcels | Refreshed 2023-02-14 |
| Owner (99%) | Address (94%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (356,792) | Matched Buildings (238,214) |
| Santa Barbara County | 132,479 Parcels | Refreshed 2022-08-30 |
| Owner (99%) | Address (93%) | Mailing Address (98%) |
| Parcel Number (100%) | Matched Addresses (210,152) | Matched Buildings (176,604) |
| Santa Clara County | 499,898 Parcels | Refreshed 2023-02-14 |
| Owner (99%) | Address (98%) | Mailing Address (98%) |
| Parcel Number (99%) | Matched Addresses (809,837) | Matched Buildings (587,673) |
| Santa Cruz County | 96,950 Parcels | Refreshed 2021-10-12 |
| Owner (100%) | Address (84%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (132,034) | Matched Buildings (134,898) |
| Shasta County | 101,041 Parcels | Refreshed 2022-03-01 |
| Owner (98%) | Address (75%) | Mailing Address (95%) |
| Parcel Number (98%) | Matched Addresses (109,928) | Matched Buildings (124,987) |
| Sierra County | 4,876 Parcels | Refreshed 2022-10-12 |
| Owner (0%) | Address (48%) | Mailing Address (0%) |
| Parcel Number (100%) | Matched Addresses (3,571) | Matched Buildings (5,087) |
| Siskiyou County | 53,976 Parcels | Refreshed 2022-01-19 |
| Owner (98%) | Address (37%) | Mailing Address (83%) |
| Parcel Number (100%) | Matched Addresses (35,790) | Matched Buildings (48,959) |
| Solano County | 149,496 Parcels | Refreshed 2022-03-29 |
| Owner (100%) | Address (91%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (193,688) | Matched Buildings (181,979) |
| Sonoma County | 187,931 Parcels | Refreshed 2023-02-14 |
| Owner (96%) | Address (100%) | Mailing Address (96%) |
| Parcel Number (100%) | Matched Addresses (264,637) | Matched Buildings (274,751) |
| Stanislaus County | 165,290 Parcels | Refreshed 2022-09-27 |
| Owner (100%) | Address (100%) | Mailing Address (99%) |
| Parcel Number (100%) | Matched Addresses (227,060) | Matched Buildings (223,428) |
| Sutter County | 35,386 Parcels | Refreshed 2021-11-09 |
| Owner (98%) | Address (94%) | Mailing Address (98%) |
| Parcel Number (100%) | Matched Addresses (42,203) | Matched Buildings (49,119) |
| Tehama County | 43,131 Parcels | Refreshed 2021-11-23 |
| Owner (96%) | Address (68%) | Mailing Address (93%) |
| Parcel Number (93%) | Matched Addresses (39,088) | Matched Buildings (57,956) |
| Trinity County | 16,261 Parcels | Refreshed 2022-07-19 |
| Owner (94%) | Address (74%) | Mailing Address (75%) |
| Parcel Number (100%) | Matched Addresses (9,215) | Matched Buildings (20,432) |
| Tulare County | 159,910 Parcels | Refreshed 2022-12-12 |
| Owner (100%) | Address (83%) | Mailing Address (100%) |
| Parcel Number (100%) | Matched Addresses (191,089) | Matched Buildings (207,947) |
| Tuolumne County | 48,203 Parcels | Refreshed 2022-01-19 |
| Owner (95%) | Address (68%) | Mailing Address (93%) |
| Parcel Number (95%) | Matched Addresses (43,216) | Matched Buildings (53,602) |
| Ventura County | 265,975 Parcels | Refreshed 2022-12-12 |
| Owner (97%) | Address (91%) | Mailing Address (97%) |
| Parcel Number (97%) | Matched Addresses (352,995) | Matched Buildings (304,175) |
| Yolo County | 66,213 Parcels | Refreshed 2021-11-23 |
| Owner (97%) | Address (95%) | Mailing Address (97%) |
| Parcel Number (100%) | Matched Addresses (102,949) | Matched Buildings (87,847) |
| Yuba County | 33,230 Parcels | Refreshed 2022-03-01 |
| Owner (93%) | Address (80%) | Mailing Address (92%) |
| Parcel Number (100%) | Matched Addresses (41,783) | Matched Buildings (49,776) |
Need more information? We've got plenty of resources on our support site. And feel free to reach out to us at parcels@regrid.com.