Architecture Firms in California: 3,723 architecture offices
California has 3,723 architecture offices (Census County Business Patterns 2023), 16.3% of the US total and the largest count of any state. In California, 66% of architecture offices have fewer than five employees, above the national share of 64%. The average architecture firm location in California employs 7.8 people, against 8.3 nationally. Annual payroll per employee is $108,032 in California and $98,717 for the US as a whole. Los Angeles County alone has 1,231 of them (33% of the state), followed by Orange County with 441.
Architecture Firms in California by size
| Employees | Locations | Share |
|---|---|---|
| 1-4 | 2,467 | 66.3% |
| 5-9 | 611 | 16.4% |
| 10-19 | 362 | 9.7% |
| 20-49 | 188 | 5% |
| 50-99 | 65 | 1.7% |
| 100-249 | 24 | 0.6% |
| 250-499 | 4 | 0.1% |
| 500-999 | withheld | – |
| 1,000+ | withheld | – |
"Withheld" means the Census Bureau does not publish that cell, usually to protect the confidentiality of a few large employers.
Counties with the most architecture offices in California
| County | Locations | Share of state |
|---|---|---|
| Los Angeles County | 1,231 | 33.1% |
| Orange County | 441 | 11.8% |
| San Francisco County | 383 | 10.3% |
| San Diego County | 332 | 8.9% |
| Alameda County | 217 | 5.8% |
Build a California list in Evascrape
- Industry filter (full search form, after sign-up)
- architecture & planning, design
- Job titles
- Principal, Partner, Office Manager, Studio Director
- Location
- california, us
Questions
How many architecture offices are in California?
3,723, according to County Business Patterns 2023 (NAICS 541310). 645 of them have 10 or more employees.
How does California compare with other states for architecture offices?
California ranks 1st by number of architecture offices. New York has 2,099 and Florida has 1,741.
What would a California architecture firm list cost?
Covering every California architecture firm location with 10 or more employees once would be 645 records, about $6 at $9 per 1,000 delivered records.
About the numbers
Business counts: U.S. Census Bureau, County Business Patterns 2023. They count establishments (single physical locations) with paid employees, so firms with several locations count more than once and businesses with no employees are not included. Occupation and pay figures: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2024. BLS counts employees only, so self-employed owners are not included in occupation figures. These are public statistics, not the size of the Evascrape database: list cost figures on these pages are upper bounds, because not every location has a matching contact, and you pay only for rows that are delivered. Evascrape prices are from the pricing page: $9 per 1,000 delivered contact records, smallest top-up $10 (about 1,100 records), optional email verification $5 per 1,000, no subscription.