HR Assistant salary and cost of hiring in California
The median HR assistant in California earned $57,590 a year in May 2025[1], 13.8% above the US median of $50,610. That puts California at #2 of 51 states for this job.
BLS occupation 43-4161. Data from the May 2025 release, checked 2026-10-16.
Salary range
| Range | 10th | Median | 90th | |
|---|---|---|---|---|
| California | $41,300 | $57,590 | $78,370 | |
| United States | $37,340 | $50,610 | $68,280 |
The middle half of HR assistants in California earns $48,470–$65,560; the top tenth earns $78,370 or more, 1.9 times the bottom tenth.
What a hire really costs
Benefits and payroll taxes are 30.0% of total compensation in US private industry[2]. At the California median that makes about $82,271 a year before recruiting, equipment and office space. Benefit levels vary by employer, so treat this as an estimate.
We place executive assistants, customer support and e-commerce staff today; for HR assistants we answer within one business day whether we can help. Enter the monthly pay you have in mind to compare it with a local hire. The fee field shows our standard fee[3]; Deel's contractor plan is the default payroll tool[4].
Pay by metro area in California
| Area | Median | 75th percentile | Jobs |
|---|---|---|---|
| San Jose-Sunnyvale-Santa Clara, CA | $82,550 | 560 | |
| San Francisco-Oakland-Fremont, CA | $78,500 | 1,300 | |
| Vallejo, CA | $73,780 | 90 | |
| Santa Cruz-Watsonville, CA | $70,490 | 60 | |
| Napa, CA | $67,050 | 40 | |
| Sacramento-Roseville-Folsom, CA | $65,750 | 640 | |
| Oxnard-Thousand Oaks-Ventura, CA | $74,080 | 190 | |
| Santa Rosa-Petaluma, CA | $68,150 | 90 | |
| Los Angeles-Long Beach-Anaheim, CA | $64,590 | 3,890 | |
| San Luis Obispo-Paso Robles, CA | $77,540 | 60 | |
| San Diego-Chula Vista-Carlsbad, CA | $62,530 | 1,240 | |
| North Coast Region of California nonmetropolitan area | $62,190 | 40 | |
| Modesto, CA | $59,500 | 190 | |
| Stockton-Lodi, CA | $64,580 | 210 | |
| Yuba City, CA | $56,620 | 40 | |
| North Valley-Northern Mountains Region of California nonmetropolitan area | $58,000 | 50 | |
| Salinas, CA | $60,380 | 130 | |
| Merced, CA | $59,960 | 60 | |
| Visalia, CA | $60,460 | 90 | |
| Riverside-San Bernardino-Ontario, CA | $61,560 | 1,290 | |
| Santa Maria-Santa Barbara, CA | $61,800 | 110 | |
| Bakersfield-Delano, CA | $61,780 | 230 | |
| Chico, CA | $57,030 | 40 | |
| Redding, CA | $56,530 | 30 | |
| Fresno, CA | $58,470 | 310 | |
| El Centro, CA | $54,410 | 40 | |
| Hanford-Corcoran, CA | $58,450 | 50 |
San Jose-Sunnyvale-Santa Clara, CA pays the most ($67,590) and Hanford-Corcoran, CA the least ($44,870): $22,720 a year apart for the same job.
What an HR assistant does
An HR assistant runs the admin side of people work: job posts, interview scheduling, onboarding paperwork, employee records and HR questions.
Neighbours in the ranking
| State | Median | vs California |
|---|---|---|
| District of Columbia | +2.5% | |
| California | +0.0% | |
| Washington | -0.3% | |
| Maryland | -1.2% |
Questions
How much does an HR assistant earn in California?
The median was $57,590 a year in the May 2025 BLS survey; the middle half earned $48,470 to $65,560.
What does it cost to employ an HR assistant in California?
About $82,271 a year at the median wage once benefits are added, using the 30% benefits share of US private industry (June 2026).
Where in California do HR assistants earn the most?
San Jose-Sunnyvale-Santa Clara, CA, with a median of $67,590 a year.
Sources
- BLS OEWS May 2025, 43-4161: https://www.bls.gov/oes/current/oes434161.htm
- BLS Employer Costs for Employee Compensation, private industry, June 2026: https://www.bls.gov/news.release/ecec.nr0.htm
- Silkstaff pricing: https://silkstaff.com/#pricing
- Deel pricing, contractor management: https://www.deel.com/pricing/
How these pages are built: methodology and data sources. Data checked 2026-10-16.