Self-Storage Facilities in San Diego County, CA — Market Data (2023)
195 self-storage facilities operate in San Diego County, CA, based on 2023 U.S. Census Bureau County Business Patterns (CBP) data — the same establishment counts the federal government uses for economic statistics.
Market density
That works out to 0.596 establishments per 10,000 residents, 13.8% above the national average of 0.5237 per 10,000 residents for self-storage facilities. Markets with lower density have fewer competitors per capita; markets with higher density have more.
Market data
| Metric | Value |
|---|---|
| Establishments | 195 |
| Density (per 10,000 residents) | 0.596 |
| Employment | 610 |
| Annual payroll | $25,554,000 |
| Average business size (employees/establishment) | 3.1 |
| County population (2023) | 3,269,973 |
Less saturated nearby markets
These counties have a lower self-storage facilities density than San Diego County — fewer competitors per capita for the same industry.
- Orange County, CA: 0.59 per 10,000 residents (185 establishments)
- Pima County, AZ: 0.574 per 10,000 residents (61 establishments)
- Alameda County, CA: 0.555 per 10,000 residents (90 establishments)
- San Bernardino County, CA: 0.551 per 10,000 residents (121 establishments)
See the full Self-Storage Facilities by county ranking for all 45 counties with available data.
Frequently asked questions
How many self-storage facilities are there in San Diego County, CA?
195 self-storage facilities operate in San Diego County, CA, according to 2023 U.S. Census Bureau County Business Patterns data.
Is the self-storage facilities market in San Diego County, CA saturated compared to the national average?
San Diego County, CA has 0.596 self-storage facilities per 10,000 residents, which is 13.8% above the national average of 0.5237 per 10,000 residents. That means more competitors per capita than the typical U.S. county.
What is the average size of a self-storage facilitie business in San Diego County, CA?
The average self-storage facilitie business in San Diego County, CA has about 3.1 employees (610 total employment ÷ 195 establishments).
Are there less saturated nearby markets for self-storage facilities?
Yes — Orange County, CA has a lower density (0.59 per 10,000 residents) than San Diego County, CA, along with 3 other nearby counties listed below.