Businesses in San Diego, California
61,661 local businesses across 111 categories, from restaurants, doctors & clinics and real estate agents. 4.5% of everything listed in California.
San Diego, CA has 61,661 businesses listed on USA Business Search in 111 categories across 117 ZIP codes. The most-listed are restaurants, doctors & clinics and real estate agents.
Updated October 2026Most listed in San Diego
Home services
Marketing & advertising
Auto
Food & drink
Health & medical
Beauty & personal care
Professional services
Real estate
Finance & insurance
Legal
Shopping & retail
Pets
Fitness & recreation
Hotels & travel
Education & childcare
Events & entertainment
Business & industrial
Community & faith
Your next customer is searching San Diego right now. Be the business they find first.
Eye To Ad Media builds SEO, AI search optimization and custom-coded websites for San Diego businesses. Headquartered in Denver, growing businesses worldwide.
- 5.0 on Google, 60 reviews
- 2012 founded
- Free review, no contract
Common questions
How many businesses are listed in San Diego, California?
USA Business Search shows 61,661 businesses in San Diego across 111 categories.
How does San Diego compare with other California cities?
San Diego is #2 of 1,980 California cities and towns we cover by number of listings, with 4.5% of everything listed in the state.
What kinds of businesses are most common in San Diego?
The most-listed categories are restaurants, doctors & clinics and real estate agents.
How do I add a San Diego business?
Listings are free. Use Add your business, or the Claim or fix link on any listing.