States › California › 2015
State, one year
California in 2015
Index change and building permits for the year, with every county.
In 2015 the FHFA house price index for California changed +5.8%, against +4.4% for the United States and +14.1% in 2014.
98,188 housing units were authorised by building permits in the state that year (45,644 single-family), +17.4% on 2014; the national total was 1,182,582.
Counties in 2015
Ranked by the county index change from 2014 to 2015 (FHFA annual county index). Permits are units authorised in 2015; per 1,000 uses the vintage 2025 population.
| County | Index change 2015 | Units permitted | Single-family | Per 1,000 |
|---|---|---|---|---|
| Trinity County | +15.2% | 23 | 23 | 1.5 |
| San Francisco County | +10.8% | 3,665 | 64 | 4.4 |
| Lake County | +10.4% | 71 | 71 | 1.0 |
| San Mateo County | +10.1% | 1,620 | 562 | 2.2 |
| Amador County | +9.8% | 27 | 27 | 0.6 |
| Alameda County | +9.3% | 5,101 | 1,905 | 3.1 |
| Calaveras County | +9.0% | 102 | 102 | 2.2 |
| Imperial County | +8.2% | 293 | 112 | 1.6 |
| Santa Clara County | +8.2% | 5,570 | 1,685 | 2.9 |
| Mono County | +8.0% | 40 | 38 | 3.2 |
| Santa Cruz County | +8.0% | 335 | 202 | 1.3 |
| Lassen County | +7.7% | 7 | 7 | 0.2 |
| Merced County | +7.7% | 232 | 228 | 0.8 |
| Solano County | +7.5% | 1,434 | 1,036 | 3.1 |
| Monterey County | +7.4% | 587 | 315 | 1.4 |
| Sonoma County | +7.4% | 621 | 431 | 1.3 |
| Stanislaus County | +7.4% | 413 | 413 | 0.7 |
| Modoc County | +7.2% | 9 | 9 | 1.1 |
| San Benito County | +7.2% | 218 | 212 | 3.1 |
| Tehama County | +7.1% | 73 | 73 | 1.1 |
| Contra Costa County | +7.0% | 2,610 | 2,072 | 2.2 |
| Glenn County | +7.0% | 20 | 20 | 0.7 |
| Mendocino County | +7.0% | 107 | 105 | 1.2 |
| San Joaquin County | +6.9% | 2,431 | 1,708 | 3.0 |
| Marin County | +6.6% | 390 | 201 | 1.5 |
| Tuolumne County | +6.6% | 49 | 49 | 0.9 |
| Santa Barbara County | +6.3% | 1,082 | 411 | 2.4 |
| Napa County | +6.2% | 172 | 170 | 1.3 |
| Sacramento County | +6.2% | 3,010 | 2,261 | 1.9 |
| Siskiyou County | +6.2% | 77 | 77 | 1.8 |
| San Bernardino County | +6.0% | 3,768 | 2,882 | 1.7 |
| Plumas County | +5.9% | 31 | 31 | 1.7 |
| Yolo County | +5.9% | 354 | 334 | 1.6 |
| Yuba County | +5.9% | 206 | 172 | 2.3 |
| Tulare County | +5.8% | 1,275 | 1,129 | 2.6 |
| Fresno County | +5.6% | 2,322 | 2,053 | 2.2 |
| Los Angeles County | +5.6% | 23,263 | 4,638 | 2.4 |
| Riverside County | +5.6% | 6,158 | 4,934 | 2.4 |
| El Dorado County | +5.5% | 584 | 584 | 3.0 |
| Mariposa County | +5.4% | 26 | 26 | 1.5 |
| Sutter County | +5.4% | 165 | 70 | 1.7 |
| Madera County | +5.1% | 211 | 211 | 1.3 |
| Shasta County | +5.0% | 375 | 321 | 2.1 |
| San Luis Obispo County | +4.8% | 821 | 692 | 2.9 |
| Kings County | +4.7% | 591 | 401 | 3.8 |
| Kern County | +4.6% | 2,200 | 2,098 | 2.4 |
| Nevada County | +4.5% | 216 | 206 | 2.1 |
| San Diego County | +4.4% | 9,883 | 3,222 | 3.0 |
| Humboldt County | +4.3% | 215 | 138 | 1.6 |
| Del Norte County | +4.2% | 20 | 20 | 0.8 |
| Butte County | +4.1% | 621 | 356 | 3.0 |
| Placer County | +4.1% | 2,236 | 1,996 | 5.1 |
| Orange County | +3.8% | 10,771 | 3,809 | 3.4 |
| Ventura County | +3.7% | 1,433 | 678 | 1.7 |
| Colusa County | +3.1% | 41 | 41 | 1.9 |
| Sierra County | +3.0% | 1 | 1 | 0.3 |
| Inyo County | +0.9% | 8 | 8 | 0.4 |
| Alpine County | −8.7% | 4 | 4 | 3.8 |
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.