States › California › 2006
State, one year
California in 2006
Index change and building permits for the year, with every county.
In 2006 the FHFA house price index for California changed +10.5%, against +6.6% for the United States and +26.0% in 2005.
160,502 housing units were authorised by building permits in the state that year (107,714 single-family), −21.7% on 2005; the national total was 1,838,903.
Counties in 2006
Ranked by the county index change from 2005 to 2006 (FHFA annual county index). Permits are units authorised in 2006; per 1,000 uses the vintage 2025 population.
| County | Index change 2006 | Units permitted | Single-family | Per 1,000 |
|---|---|---|---|---|
| Modoc County | +23.4% | 22 | 22 | 2.6 |
| Los Angeles County | +16.4% | 25,202 | 9,942 | 2.6 |
| Mono County | +16.0% | 150 | 119 | 12.0 |
| San Bernardino County | +15.9% | 13,324 | 12,616 | 6.0 |
| Del Norte County | +15.5% | 37 | 37 | 1.4 |
| Kern County | +15.4% | 6,991 | 5,731 | 7.5 |
| Madera County | +15.3% | 1,376 | 1,269 | 8.2 |
| Plumas County | +15.2% | 216 | 216 | 11.6 |
| Inyo County | +14.7% | 13 | 13 | 0.7 |
| Tulare County | +14.5% | 3,575 | 2,815 | 7.4 |
| Mariposa County | +14.0% | 139 | 139 | 8.2 |
| Imperial County | +13.6% | 2,203 | 1,934 | 12.1 |
| Alpine County | +13.0% | 31 | 31 | 29.7 |
| Lake County | +12.8% | 568 | 453 | 8.4 |
| Kings County | +12.7% | 849 | 755 | 5.5 |
| Lassen County | +12.6% | 132 | 132 | 4.7 |
| Orange County | +12.4% | 8,303 | 3,744 | 2.6 |
| Fresno County | +12.3% | 5,278 | 3,904 | 5.1 |
| Riverside County | +12.2% | 24,765 | 20,882 | 9.7 |
| Siskiyou County | +11.9% | 203 | 194 | 4.8 |
| Tehama County | +10.8% | 525 | 385 | 8.1 |
| Glenn County | +10.7% | 171 | 168 | 6.1 |
| Merced County | +10.3% | 2,216 | 2,136 | 7.5 |
| Tuolumne County | +10.1% | 222 | 222 | 4.2 |
| Calaveras County | +9.8% | 497 | 497 | 10.7 |
| Colusa County | +9.8% | 99 | 99 | 4.5 |
| Santa Clara County | +9.8% | 6,120 | 2,121 | 3.2 |
| Stanislaus County | +9.6% | 2,644 | 2,271 | 4.7 |
| Ventura County | +9.3% | 2,244 | 1,426 | 2.7 |
| Alameda County | +8.8% | 6,276 | 1,635 | 3.8 |
| Shasta County | +8.6% | 952 | 733 | 5.2 |
| San Joaquin County | +8.4% | 3,652 | 3,461 | 4.4 |
| Mendocino County | +8.2% | 292 | 272 | 3.3 |
| San Mateo County | +8.2% | 1,005 | 446 | 1.4 |
| Amador County | +8.0% | 235 | 221 | 5.6 |
| San Benito County | +7.9% | 30 | 30 | 0.4 |
| Solano County | +7.8% | 1,205 | 1,002 | 2.6 |
| Monterey County | +7.7% | 865 | 752 | 2.0 |
| Butte County | +7.6% | 1,282 | 1,189 | 6.1 |
| Nevada County | +7.5% | 637 | 467 | 6.3 |
| Humboldt County | +7.4% | 489 | 324 | 3.7 |
| Contra Costa County | +7.2% | 4,222 | 3,368 | 3.6 |
| Santa Cruz County | +7.2% | 711 | 539 | 2.7 |
| San Francisco County | +6.8% | 2,398 | 95 | 2.9 |
| Napa County | +5.8% | 507 | 267 | 3.8 |
| Trinity County | +5.8% | 64 | 64 | 4.1 |
| Yuba County | +5.6% | 993 | 993 | 11.2 |
| El Dorado County | +5.5% | 1,005 | 969 | 5.2 |
| Marin County | +5.4% | 582 | 356 | 2.3 |
| San Luis Obispo County | +5.1% | 1,764 | 1,388 | 6.2 |
| Sutter County | +4.8% | 356 | 318 | 3.6 |
| Yolo County | +4.4% | 1,264 | 783 | 5.6 |
| Santa Barbara County | +4.1% | 873 | 690 | 2.0 |
| Sonoma County | +3.7% | 1,912 | 1,357 | 3.9 |
| San Diego County | +3.2% | 9,191 | 4,743 | 2.8 |
| Sierra County | +2.9% | 17 | 17 | 5.5 |
| Sacramento County | +2.7% | 6,430 | 4,366 | 4.0 |
| Placer County | +2.0% | 3,178 | 2,596 | 7.2 |
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.