States › California › 2017
State, one year
California in 2017
Index change and building permits for the year, with every county.
In 2017 the FHFA house price index for California changed +6.4%, against +5.4% for the United States and +7.8% in 2016.
114,780 housing units were authorised by building permits in the state that year (57,132 single-family), +12.1% on 2016; the national total was 1,281,977.
Counties in 2017
Ranked by the county index change from 2016 to 2017 (FHFA annual county index). Permits are units authorised in 2017; per 1,000 uses the vintage 2025 population.
| County | Index change 2017 | Units permitted | Single-family | Per 1,000 |
|---|---|---|---|---|
| Modoc County | +12.7% | 5 | 5 | 0.6 |
| Yuba County | +10.8% | 225 | 225 | 2.5 |
| Colusa County | +10.2% | 17 | 17 | 0.8 |
| Alpine County | +10.1% | 9 | 9 | 8.6 |
| Sacramento County | +9.7% | 4,828 | 3,159 | 3.0 |
| Sutter County | +9.5% | 78 | 74 | 0.8 |
| Merced County | +9.4% | 550 | 546 | 1.9 |
| Calaveras County | +9.0% | 140 | 140 | 3.0 |
| Lake County | +9.0% | 159 | 153 | 2.3 |
| San Joaquin County | +8.9% | 2,779 | 2,107 | 3.4 |
| Solano County | +8.6% | 907 | 840 | 2.0 |
| Nevada County | +8.4% | 419 | 403 | 4.1 |
| Amador County | +8.2% | 131 | 116 | 3.1 |
| Stanislaus County | +8.2% | 719 | 644 | 1.3 |
| Humboldt County | +8.1% | 293 | 155 | 2.2 |
| Tuolumne County | +8.1% | 74 | 68 | 1.4 |
| Fresno County | +7.9% | 2,933 | 1,796 | 2.8 |
| Riverside County | +7.7% | 8,001 | 6,703 | 3.1 |
| Sonoma County | +7.7% | 1,178 | 840 | 2.4 |
| Contra Costa County | +7.5% | 1,984 | 1,683 | 1.7 |
| Mariposa County | +7.5% | 45 | 45 | 2.7 |
| El Dorado County | +7.4% | 809 | 805 | 4.2 |
| Placer County | +7.4% | 3,287 | 2,500 | 7.4 |
| San Bernardino County | +7.4% | 6,675 | 4,252 | 3.0 |
| Inyo County | +7.3% | 11 | 11 | 0.6 |
| Siskiyou County | +7.3% | 56 | 56 | 1.3 |
| Del Norte County | +7.2% | 23 | 23 | 0.9 |
| Madera County | +7.2% | 415 | 415 | 2.5 |
| Yolo County | +7.2% | 579 | 351 | 2.6 |
| San Diego County | +7.1% | 10,441 | 4,056 | 3.2 |
| Sierra County | +7.1% | 7 | 7 | 2.3 |
| Alameda County | +7.0% | 9,258 | 2,595 | 5.7 |
| Monterey County | +7.0% | 776 | 534 | 1.8 |
| Los Angeles County | +6.9% | 21,574 | 5,683 | 2.2 |
| Mendocino County | +6.9% | 192 | 132 | 2.2 |
| Plumas County | +6.9% | 43 | 43 | 2.3 |
| Tulare County | +6.9% | 1,314 | 1,162 | 2.7 |
| Lassen County | +6.8% | 12 | 12 | 0.4 |
| Tehama County | +6.8% | 115 | 101 | 1.8 |
| Butte County | +6.6% | 823 | 457 | 3.9 |
| Kings County | +6.4% | 272 | 272 | 1.8 |
| Santa Cruz County | +6.3% | 407 | 218 | 1.6 |
| Imperial County | +5.9% | 191 | 179 | 1.1 |
| San Benito County | +5.8% | 571 | 569 | 8.1 |
| Shasta County | +5.7% | 382 | 382 | 2.1 |
| Mono County | +5.5% | 51 | 37 | 4.1 |
| Napa County | +5.5% | 183 | 83 | 1.4 |
| San Luis Obispo County | +5.4% | 1,094 | 693 | 3.9 |
| Ventura County | +5.3% | 2,565 | 1,070 | 3.1 |
| Orange County | +5.2% | 9,510 | 4,904 | 3.0 |
| Glenn County | +4.7% | 20 | 18 | 0.7 |
| San Francisco County | +4.6% | 4,034 | 43 | 4.9 |
| Kern County | +4.0% | 2,640 | 2,378 | 2.8 |
| Santa Clara County | +4.0% | 7,968 | 2,023 | 4.2 |
| San Mateo County | +3.9% | 1,582 | 362 | 2.1 |
| Santa Barbara County | +3.7% | 1,280 | 832 | 2.9 |
| Marin County | +2.5% | 94 | 94 | 0.4 |
| Trinity County | +1.6% | 52 | 52 | 3.3 |
Permits by year, 1995–2025
Housing units authorised in California by yearsingle-family2+ unit buildings
Source: Federal Housing Finance Agency annual state and county house price indexes (updated March 31, 2026); Census Bureau Building Permits Survey annual state and county files. Public domain. Methodology.