| Business | Phone |
| Downtown Dev Div 305 E 4th St # 201, Santa Ana 92701 | (714) 647-5360 |
| Santa Ana Community Dev Agency 20 Civic Center Plz, Santa Ana 92701 | (714) 647-6556 |
| Santa Ana Zoning Information 20 Civic Center Plz # M20, Santa Ana 92701 | (714) 647-5804 |