Table 1a: Incorporated & Unincorporated (combined total)
| County | Number of Cities in County |
Single-Family Zoning % of Residential Land |
Single-Family Zoning % of All Land |
| Alpine | 1 | 100.00% | 0.48% |
| Trinity | 1 | 99.98% | 94.33% |
| Mariposa | 1 | 99.92% | 12.37% |
| Siskiyou | 10 | 99.87% | 85.46% |
| San Benito | 3 | 99.83% | 98.64% |
| Glenn | 3 | 99.76% | 26.55% |
| San Luis Obispo | 8 | 99.68% | 84.98% |
| San Bernardino | 25 | 99.58% | 96.90% |
| Mendocino | 5 | 99.44% | 45.36% |
| Humboldt | 8 | 99.30% | 32.55% |
| Tulare | 9 | 99.29% | 47.68% |
| Santa Barbara | 9 | 99.24% | 67.68% |
| Lake | 3 | 99.22% | 45.04% |
| Madera | 3 | 99.08% | 57.62% |
| Tehama | 4 | 98.89% | 4.47% |
| Butte | 6 | 98.85% | 77.35% |
| Kern | 11 | 98.66% | 26.80% |
| Calaveras | 2 | 98.44% | 14.02% |
| Tuolumne | 2 | 98.02% | 5.09% |
| Amador | 6 | 97.97% | 35.47% |
| Monterey | 13 | 97.17% | 14.26% |
| Colusa | 3 | 96.82% | 1.69% |
| Plumas | 1 | 96.47% | 5.38% |
| Riverside | 29 | 96.40% | 38.04% |
| Ventura | 11 | 96.23% | 22.98% |
| Nevada | 4 | 95.64% | 9.07% |
| San Joaquin | 8 | 94.36% | 87.30% |
| El Dorado | 1 | 93.78% | 74.47% |
| Inyo | 2 | 91.71% | 0.16% |
| Mono | 2 | 91.62% | 0.52% |
| Contra Costa | 20 | 91.41% | 46.29% |
| Sonoma | 10 | 90.74% | 68.33% |
| Placer | 6 | 89.50% | 39.64% |
| Los Angeles | 87 | 89.39% | 43.01% |
| San Mateo | 21 | 89.35% | 17.45% |
| Napa | 6 | 88.93% | 2.65% |
| Imperial | 8 | 86.82% | 1.07% |
| Santa Clara | 16 | 86.21% | 13.80% |
| Del Norte | 2 | 83.45% | 6.66% |
| San Diego | 18 | 80.38% | 48.05% |
| Solano | 8 | 80.25% | 6.74% |
| Marin | 12 | 78.46% | 9.03% |
| Yuba | 2 | 77.94% | 7.08% |
| Alameda | 15 | 77.41% | 27.02% |
| Kings | 4 | 76.28% | 26.93% |
| Orange | 35 | 75.10% | 33.29% |
| Sutter | 2 | 73.00% | 55.68% |
| Sacramento | 6 | 72.66% | 46.08% |
| Yolo | 4 | 72.23% | 36.31% |
| Merced | 7 | 70.22% | 1.93% |
| San Francisco | 1 | 51.42% | 51.42% |
| Santa Cruz | 5 | 39.05% | 16.79% |
| Shasta | 4 | 17.70% | 9.31% |
| Stanislaus | 10 | 5.86% | 5.59% |
| Fresno | 16 | 2.95% | 1.84% |
Table 1b: Incorporated
| County | Number of Cities in County |
Single-Family Zoning % of Residential Land |
Single-Family Zoning % of All Land |
| El Dorado | 1 | 93.78% | 74.47% |
| Kern | 10 | 92.27% | 64.02% |
| Madera | 2 | 91.00% | 24.37% |
| Contra Costa | 19 | 90.14% | 44.59% |
| Placer | 6 | 89.50% | 39.64% |
| Marin | 11 | 88.18% | 30.76% |
| San Mateo | 20 | 86.81% | 42.93% |
| Shasta | 3 | 86.46% | 47.07% |
| Nevada | 3 | 85.73% | 46.88% |
| Santa Clara | 15 | 84.33% | 48.51% |
| San Bernardino | 24 | 84.13% | 43.93% |
| Napa | 5 | 83.71% | 50.86% |
| Tulare | 8 | 82.70% | 48.30% |
| San Luis Obispo | 7 | 82.13% | 42.07% |
| Stanislaus | 9 | 81.75% | 38.50% |
| Ventura | 10 | 81.50% | 32.08% |
| Sonoma | 9 | 81.47% | 47.18% |
| San Diego | 18 | 80.38% | 48.05% |
| Riverside | 28 | 79.36% | 37.90% |
| Yuba | 2 | 77.94% | 7.08% |
| Tehama | 3 | 76.52% | 34.15% |
| Los Angeles | 86 | 76.43% | 44.79% |
| Kings | 4 | 76.28% | 26.93% |
| Alameda | 14 | 76.11% | 24.52% |
| Glenn | 2 | 74.24% | 43.75% |
| Sutter | 2 | 73.00% | 55.68% |
| Sacramento | 6 | 72.66% | 46.08% |
| Solano | 7 | 72.62% | 29.55% |
| Yolo | 4 | 72.23% | 36.31% |
| Tuolumne | 1 | 70.70% | 52.19% |
| Imperial | 7 | 70.61% | 31.54% |
| Siskiyou | 9 | 70.40% | 35.11% |
| Lake | 2 | 68.36% | 55.26% |
| Orange | 34 | 66.21% | 34.45% |
| Santa Barbara | 8 | 65.26% | 31.79% |
| Butte | 5 | 64.49% | 37.19% |
| Humboldt | 7 | 63.47% | 25.92% |
| Santa Cruz | 4 | 63.08% | 33.10% |
| San Benito | 2 | 61.40% | 30.36% |
| Fresno | 15 | 60.68% | 40.69% |
| Amador | 5 | 58.05% | 32.57% |
| Mono | 1 | 54.07% | 23.11% |
| Monterey | 12 | 52.20% | 22.65% |
| San Francisco | 1 | 51.42% | 51.42% |
| Calaveras | 1 | 47.33% | 22.81% |
| Inyo | 1 | 47.02% | 20.36% |
| Merced | 6 | 40.31% | 20.10% |
| Colusa | 2 | 39.93% | 3.65% |
| Del Norte | 1 | 36.82% | 15.58% |
| Mendocino | 4 | 35.48% | 17.12% |
| San Joaquin | 7 | 22.28% | 10.88% |
Table 1c: Unincorporated
| County | Number of Cities in County |
Single-Family Zoning % of Residential Land |
Single-Family Zoning % of All Land |
| Napa | 1 | 100.00% | 0.99% |
| Alpine | 1 | 100.00% | 0.48% |
| Trinity | 1 | 99.98% | 94.33% |
| Glenn | 1 | 99.97% | 26.49% |
| San Luis Obispo | 1 | 99.94% | 86.04% |
| Siskiyou | 1 | 99.93% | 85.63% |
| San Benito | 1 | 99.92% | 98.99% |
| San Bernardino | 1 | 99.92% | 99.14% |
| Mariposa | 1 | 99.92% | 12.37% |
| Butte | 1 | 99.82% | 78.90% |
| Santa Barbara | 1 | 99.79% | 68.50% |
| Lake | 1 | 99.75% | 44.95% |
| Santa Clara | 1 | 99.74% | 2.58% |
| Humboldt | 1 | 99.73% | 32.61% |
| Ventura | 1 | 99.70% | 21.79% |
| Monterey | 1 | 99.69% | 14.11% |
| Tehama | 1 | 99.67% | 4.37% |
| Kern | 1 | 99.64% | 24.74% |
| Mendocino | 1 | 99.64% | 45.45% |
| Tulare | 1 | 99.62% | 47.67% |
| Amador | 1 | 99.40% | 35.54% |
| Riverside | 1 | 99.18% | 38.06% |
| Madera | 1 | 99.12% | 57.99% |
| Solano | 1 | 99.09% | 2.81% |
| Calaveras | 1 | 99.03% | 13.99% |
| Colusa | 1 | 98.79% | 1.68% |
| Nevada | 1 | 98.56% | 7.51% |
| Orange | 1 | 98.54% | 31.40% |
| Tuolumne | 1 | 98.53% | 5.03% |
| Sonoma | 1 | 98.36% | 98.36% |
| San Mateo | 1 | 98.33% | 6.12% |
| Los Angeles | 1 | 98.27% | 42.11% |
| San Joaquin | 1 | 98.16% | 95.33% |
| Contra Costa | 1 | 97.84% | 56.26% |
| Plumas | 1 | 96.47% | 5.38% |
| Mono | 1 | 95.63% | 0.49% |
| Inyo | 1 | 93.71% | 0.15% |
| Imperial | 1 | 93.01% | 0.84% |
| Merced | 1 | 90.58% | 1.52% |
| Alameda | 1 | 87.62% | 87.62% |
| Del Norte | 1 | 85.17% | 6.60% |
| Marin | 1 | 68.63% | 4.71% |
| Santa Cruz | 1 | 37.37% | 15.87% |
| Shasta | 1 | 16.28% | 8.55% |
| Stanislaus | 1 | 3.63% | 3.57% |
| Fresno | 1 | 1.63% | 1.01% |
