Lead Paint Risk in California
56.7%Pre-1978 Housing
8,243,042Pre-1978 Units
14,532,683Total Housing Units
9,129Census Tracts
Counties in California
Ranked by percentage of housing built before 1978.
| County | Pre-1978 Housing | Total Housing | Risk Rate |
|---|---|---|---|
| San Francisco County | 317,735 | 411,542 | 77.2% |
| Marin County | 85,136 | 111,860 | 76.1% |
| San Mateo County | 209,399 | 285,558 | 73.3% |
| Los Angeles County | 2,578,211 | 3,624,084 | 71.1% |
| Alameda County | 418,764 | 630,726 | 66.4% |
| Santa Cruz County | 67,973 | 106,635 | 63.7% |
| Inyo County | 6,018 | 9,500 | 63.3% |
| Santa Barbara County | 97,171 | 159,766 | 60.8% |
| Humboldt County | 37,872 | 62,625 | 60.5% |
| Santa Clara County | 419,523 | 694,209 | 60.4% |
| Monterey County | 85,376 | 144,659 | 59.0% |
| Siskiyou County | 13,441 | 23,066 | 58.3% |
| Modoc County | 2,780 | 4,774 | 58.2% |
| Napa County | 31,998 | 55,601 | 57.5% |
| Orange County | 653,229 | 1,138,473 | 57.4% |
| Sierra County | 1,202 | 2,099 | 57.3% |
| Mendocino County | 23,631 | 41,495 | 56.9% |
| Trinity County | 4,599 | 8,122 | 56.6% |
| Ventura County | 165,876 | 294,651 | 56.3% |
| Lassen County | 6,711 | 12,232 | 54.9% |
| Contra Costa County | 229,489 | 426,585 | 53.8% |
| Glenn County | 5,906 | 10,973 | 53.8% |
| Tuolumne County | 16,520 | 31,491 | 52.5% |
| Sonoma County | 107,910 | 206,319 | 52.3% |
| Colusa County | 4,180 | 8,157 | 51.2% |
| Mono County | 6,955 | 13,632 | 51.0% |
| San Diego County | 627,544 | 1,240,607 | 50.6% |
| Lake County | 17,016 | 34,271 | 49.7% |
| Plumas County | 7,442 | 15,037 | 49.5% |
| Butte County | 45,008 | 91,176 | 49.4% |
| Sacramento County | 292,147 | 593,616 | 49.2% |
| Tehama County | 13,410 | 27,456 | 48.8% |
| Fresno County | 166,519 | 342,003 | 48.7% |
| Sutter County | 16,874 | 34,681 | 48.7% |
| Stanislaus County | 88,654 | 184,240 | 48.1% |
| Alpine County | 757 | 1,587 | 47.7% |
| Shasta County | 37,411 | 79,748 | 46.9% |
| Yolo County | 37,986 | 81,543 | 46.6% |
| Del Norte County | 5,157 | 11,156 | 46.2% |
| Tulare County | 69,533 | 152,542 | 45.6% |
| Solano County | 74,179 | 163,455 | 45.4% |
| San Joaquin County | 115,938 | 256,826 | 45.1% |
| San Luis Obispo County | 55,530 | 124,871 | 44.5% |
| El Dorado County | 41,897 | 94,258 | 44.4% |
| Merced County | 39,487 | 89,610 | 44.1% |
| Kern County | 133,697 | 304,481 | 43.9% |
| Amador County | 8,282 | 18,919 | 43.8% |
| San Bernardino County | 323,252 | 738,535 | 43.8% |
| Yuba County | 12,931 | 30,089 | 43.0% |
| Nevada County | 22,950 | 53,981 | 42.5% |
| Kings County | 19,428 | 46,695 | 41.6% |
| Imperial County | 22,510 | 57,511 | 39.1% |
| Madera County | 19,346 | 50,368 | 38.4% |
| Mariposa County | 3,700 | 9,796 | 37.8% |
| San Benito County | 7,583 | 20,937 | 36.2% |
| Calaveras County | 9,227 | 27,579 | 33.5% |
| Riverside County | 260,104 | 860,042 | 30.2% |
| Placer County | 49,938 | 176,233 | 28.3% |
Cities & Towns in California
1413 cities and towns ranked by pre-1978 housing percentage (minimum 100 housing units). Showing the top 100 here; download all places from the data page.
| City/Town | Pre-1978 Housing | Total Housing | Risk Rate |
|---|---|---|---|
| Aspen Springs | 107 | 107 | 100.0% |
| Casa Loma | 566 | 566 | 100.0% |
| Comptche | 106 | 106 | 100.0% |
| Grimes | 137 | 137 | 100.0% |
| Lee Vining | 150 | 150 | 100.0% |
| Loma Mar | 135 | 135 | 100.0% |
| Long Barn | 146 | 146 | 100.0% |
| New Cuyama | 299 | 299 | 100.0% |
| Olde Stockdale | 325 | 325 | 100.0% |
| River Pines | 106 | 106 | 100.0% |
| Casa Conejo | 860 | 868 | 99.1% |
| Lincoln Village | 1,544 | 1,572 | 98.2% |
| Highlands | 847 | 866 | 97.8% |
| Yermo | 438 | 448 | 97.8% |
| Patton Village | 274 | 281 | 97.5% |
| Scotia | 291 | 299 | 97.3% |
| View Park-Windsor Hills | 4,937 | 5,075 | 97.3% |
| Herlong | 127 | 131 | 96.9% |
| Tarpey Village | 1,212 | 1,255 | 96.6% |
| Ladera | 478 | 496 | 96.4% |
| Indio Hills | 233 | 242 | 96.3% |
| Bayview CDP (Contra Costa County) | 785 | 817 | 96.1% |
| East Whittier | 3,286 | 3,431 | 95.8% |
| Piedmont | 3,739 | 3,926 | 95.2% |
| West Puente Valley | 5,083 | 5,364 | 94.8% |
| Volcano | 149 | 158 | 94.3% |
| Bakersfield Country Club | 573 | 608 | 94.2% |
| Kensington | 2,126 | 2,258 | 94.2% |
| San Marino | 4,085 | 4,363 | 93.6% |
| Lucas Valley-Marinwood | 2,368 | 2,535 | 93.4% |
| Country Club | 3,430 | 3,679 | 93.2% |
| Montalvin Manor | 762 | 818 | 93.2% |
| Burbank | 1,969 | 2,118 | 93.0% |
| Citrus | 2,525 | 2,714 | 93.0% |
| Baywood Park | 523 | 564 | 92.7% |
| Talmage | 405 | 437 | 92.7% |
| Walnut Park | 3,562 | 3,868 | 92.1% |
| Ladera Heights | 2,755 | 2,994 | 92.0% |
| Monte Rio | 688 | 749 | 91.9% |
| Vincent | 3,619 | 3,937 | 91.9% |
| Benton Park | 1,531 | 1,668 | 91.8% |
| Searles Valley | 774 | 847 | 91.4% |
| Laguna Woods | 12,235 | 13,494 | 90.7% |
| Alum Rock | 2,845 | 3,145 | 90.5% |
| Mineral | 306 | 338 | 90.5% |
| Delft Colony | 149 | 165 | 90.3% |
| Rollingwood | 849 | 940 | 90.3% |
| Clear Creek | 166 | 184 | 90.2% |
| Old Fig Garden | 1,869 | 2,073 | 90.2% |
| Kentfield | 2,666 | 2,958 | 90.1% |
| Lompico | 482 | 535 | 90.1% |
| Mission Canyon | 905 | 1,004 | 90.1% |
| West Whittier-Los Nietos | 6,178 | 6,856 | 90.1% |
| Tara Hills | 1,614 | 1,796 | 89.9% |
| Fulton | 261 | 291 | 89.7% |
| Muir Beach | 182 | 203 | 89.7% |
| Old Stine | 1,039 | 1,161 | 89.5% |
| Altadena | 14,068 | 15,744 | 89.4% |
| Dutch Flat | 109 | 122 | 89.3% |
| Broadmoor | 1,284 | 1,439 | 89.2% |
| Airport | 318 | 357 | 89.1% |
| East Orosi | 104 | 117 | 88.9% |
| Fairfax | 2,986 | 3,359 | 88.9% |
| Whittier | 25,939 | 29,185 | 88.9% |
| Ben Lomond | 2,422 | 2,726 | 88.8% |
| Lakewood | 23,715 | 26,709 | 88.8% |
| El Rio | 1,536 | 1,732 | 88.7% |
| Johnson Park | 353 | 398 | 88.7% |
| Victor | 93 | 105 | 88.6% |
| Kenwood | 402 | 454 | 88.5% |
| Alondra Park | 2,524 | 2,858 | 88.3% |
| Loyalton | 367 | 416 | 88.2% |
| Valinda | 4,323 | 4,909 | 88.1% |
| Woodacre | 604 | 686 | 88.0% |
| Dunsmuir | 941 | 1,071 | 87.9% |
| Kingvale | 291 | 331 | 87.9% |
| Meridian | 138 | 157 | 87.9% |
| East Richmond Heights | 1,320 | 1,504 | 87.8% |
| San Anselmo | 4,742 | 5,398 | 87.8% |
| San Pasqual | 824 | 939 | 87.8% |
| McCloud | 558 | 638 | 87.5% |
| West Rancho Dominguez | 5,886 | 6,730 | 87.5% |
| Orick | 160 | 183 | 87.4% |
| Seal Beach | 12,775 | 14,616 | 87.4% |
| Sausalito | 3,962 | 4,536 | 87.3% |
| Rossmoor | 3,550 | 4,072 | 87.2% |
| Sierra Village | 367 | 421 | 87.2% |
| Silverado | 366 | 420 | 87.1% |
| La Riviera | 4,124 | 4,753 | 86.8% |
| Port Costa | 125 | 144 | 86.8% |
| Belvedere | 949 | 1,095 | 86.7% |
| Cambrian Park | 1,186 | 1,370 | 86.6% |
| Mountain View | 786 | 909 | 86.5% |
| Pico Rivera | 14,942 | 17,281 | 86.5% |
| Waterloo | 298 | 345 | 86.4% |
| South Pasadena | 9,527 | 11,040 | 86.3% |
| East Los Angeles | 27,840 | 32,291 | 86.2% |
| Lynwood | 13,432 | 15,577 | 86.2% |
| Rexland Acres | 730 | 847 | 86.2% |
| San Lorenzo | 7,697 | 8,926 | 86.2% |