State ranking · HUD FMR

California: Most Expensive Counties

The highest-cost counties in California by 1-bedroom Fair Market Rent, FY 2026.

$3,298
Priciest 1BR - Santa Cruz County
$1,647
CA avg 1BR
50
Counties ranked

The most expensive county for rent in California is Santa Cruz County with a 1-bedroom FMR of $3,298/mo, which is 100% above the state average of $1,647. The national average 1-bedroom FMR is $959.

What "most expensive" really means for California renters

These rankings come straight from HUD's FY 2026 Fair Market Rent schedule, which reports the 40th percentile of gross rents (utilities included, except telephone) for every county in California. The top entry is Santa Cruz County with a 1-bedroom at $3,298, a studio at $3,179, 2-bedroom at $4,214, 3-bedroom at $5,377, and 4-bedroom at $5,659. Because HUD sets FMR per county (or per metro FMR area), these figures are the ceilings local housing authorities use to calibrate Section 8 Housing Choice Voucher payment standards, typically between 90% and 110% of FMR, which means they also approximate the moderate end of each county's documented rental market.

Compared with the California state average of $1,647 for a 1-bedroom, the most expensive county is 100% above the state benchmark, and 244% above the US average of $959. High-rent counties almost always cluster in dense metropolitan FMR areas where housing supply is constrained, transit access is strong, and local wages support premium rents, which is also why voucher recipients frequently find fewer units at payment-standard rates in these counties without the help of HUD's Small Area FMR program. The ranking across all 50 counties shows the intra-state spread: moving between a top-ranked county and a mid-ranked one can mean hundreds of dollars per month in baseline rent before any amenity premium.

For budgeting, the 30% affordability rule says a household needs roughly $131,920/year to afford the most expensive 1-bedroom FMR in California without being cost-burdened, well above the $65,880/year needed to afford the state average. That gap translates directly into rent-burden rates: counties at the top of this list tend to have the highest share of households paying more than 30% of income for rent, and the highest share of severely burdened renters (above 50% of income). Pair this ranking with the year-over-year FMR growth and rent burden pages to see whether today's most expensive counties are still tightening, or whether lower-ranked counties are catching up fastest.

Most Expensive
Santa Cruz County
$3,298
CA Avg 1-BR
$1,647
State average
US Avg 1-BR
$959
National average
Counties Listed
50
with FMR data

Top 50 Most Expensive Counties in California

# County 1-BR 2-BR 3-BR vs State Avg
1 Santa Cruz County $3,298 $4,214 $5,377 +100%
2 Santa Clara County $2,982 $3,483 $4,602 +81%
3 Marin County $2,977 $3,604 $4,604 +81%
4 San Francisco County $2,977 $3,604 $4,604 +81%
5 San Mateo County $2,977 $3,604 $4,604 +81%
6 Orange County $2,746 $3,236 $4,393 +67%
7 Santa Barbara County $2,746 $3,124 $4,075 +67%
8 San Diego County $2,459 $3,001 $3,998 +49%
9 Alameda County $2,385 $2,912 $3,724 +45%
10 Contra Costa County $2,385 $2,912 $3,724 +45%
11 Ventura County $2,250 $2,693 $3,652 +37%
12 Monterey County $2,232 $2,684 $3,623 +36%
13 San Benito County $2,212 $2,902 $3,944 +34%
14 Sonoma County $2,155 $2,827 $3,887 +31%
15 Napa County $2,113 $2,773 $3,532 +28%
16 Los Angeles County $2,085 $2,601 $3,298 +27%
17 San Luis Obispo County $1,914 $2,512 $3,370 +16%
18 El Dorado County $1,832 $2,255 $3,002 +11%
19 Placer County $1,832 $2,255 $3,002 +11%
20 Sacramento County $1,832 $2,255 $3,002 +11%
21 Riverside County $1,777 $2,201 $2,912 +8%
22 San Bernardino County $1,777 $2,201 $2,912 +8%
23 Solano County $1,705 $2,178 $2,911 +4%
24 Yolo County $1,615 $2,104 $2,917 -2%
25 Mono County $1,528 $1,675 $2,330 -7%
26 Amador County $1,396 $1,698 $2,220 -15%
27 San Joaquin County $1,395 $1,742 $2,423 -15%
28 Nevada County $1,382 $1,813 $2,521 -16%
29 Inyo County $1,381 $1,514 $1,940 -16%
30 Stanislaus County $1,356 $1,758 $2,442 -18%
31 Fresno County $1,355 $1,664 $2,314 -18%
32 Mendocino County $1,306 $1,713 $2,382 -21%
33 Sutter County $1,272 $1,550 $2,156 -23%
34 Yuba County $1,272 $1,550 $2,156 -23%
35 Butte County $1,270 $1,625 $2,260 -23%
36 Tuolumne County $1,257 $1,589 $2,078 -24%
37 Del Norte County $1,222 $1,370 $1,905 -26%
38 Merced County $1,213 $1,503 $2,067 -26%
39 Shasta County $1,212 $1,590 $2,211 -26%
40 Humboldt County $1,186 $1,550 $2,156 -28%
41 Lake County $1,181 $1,549 $2,154 -28%
42 Calaveras County $1,175 $1,542 $2,145 -29%
43 Alpine County $1,165 $1,529 $2,126 -29%
44 Sierra County $1,165 $1,529 $2,126 -29%
45 Kings County $1,157 $1,469 $2,043 -30%
46 Mariposa County $1,148 $1,454 $2,022 -30%
47 Kern County $1,140 $1,483 $2,062 -31%
48 Tulare County $1,123 $1,474 $2,028 -32%
49 Plumas County $1,075 $1,411 $1,962 -35%
50 Madera County $1,062 $1,376 $1,914 -36%

Explore More

Methodology

Rankings are based on FY 2026 Fair Market Rents (FMR) published by the U.S. Department of Housing and Urban Development (HUD). FMR represents the 40th percentile of gross rents for standard quality units in a given area. Counties are ranked by 1-bedroom FMR in descending order. "vs State Avg" compares each county's 1-bedroom FMR to the California average.