OC Public Works Headquarters
County Administration South
601 North Ross Street, Santa Ana, CA 92701. Click 
here for directions.
Hours of Operations: Monday - Friday | 8:00 am to 5:00 pm
Mailing Address: P.O. Box 4048, Santa Ana, CA 92702-4048
Phone: 
714.667.8800
To submit an online service request, please visit our new Online Service Request Center MyOCeServices
If you need to report a flood emergency, please call 9-1-1 immediately.
Administrative Services - starting 9/16/19
601 North Ross Street, Santa Ana, CA 92701. Click here for directions.
- Director’s Office and Administration, 4th Floor
- Building Services, 2nd Floor
- Human Resource Services, 4th Floor
OC Development Services - starting 9/16/19
601 North Ross Street, Santa Ana, CA 92701. Click here for directions.
- County Service Center, 1st Floor
- Permitting
- Building and Safety
- Inspection Services
- Land Development
- Planning
Hours of Operations: Monday - Friday | 8:00am to 4:00pm
Phone: 714.667.8888
OC Survey - starting 9/16/19
601 North Ross Street, Santa Ana, CA 92701. Click here for directions.
- OC Survey Public Counter, County Service Center, 1st Floor
- Corner Records
- Geodetic
- Parcel, Record of Survey and Tract Maps
- Right-of-Way Engineering Public Counter, Room 252
Hours of Operations: Monday - Friday | 8:00 am to 4:00 pm
Phone: 714.967.0852
OC Infrastructure Programs - starting 9/16/19
601 North Ross Street, Santa Ana, CA 92701. Click here for directions.
- Programming
- Engineering Design
- Flood Programs
- Project Management
- Traffic and Development Support
Hours of Operations: Monday - Friday | 7:30am to 4:00pm
Phone: 714.647.3999 | 714.245.4589
OC Facilities Design and Construction Management - starting 9/16/19
601 North Ross Street, Santa Ana, CA 92701. Click here for directions.
Phone: 714-667-4938
Other Office Locations
Glassell Campus
OC Operations & Maintenance
2301 Glassell Street, Building A, Orange, CA 92865. Click here for directions.
Hours of Operations: Monday - Friday | 6:00 AM - 4:30 PM
Phone: 714-955-0200
To submit an online service request, please visit our new Online Service Request Center MyOCeServices
OC Environmental Resources
Agricultural Commissioner / Sealer of Weights & Measures
222 East Bristol Lane, Orange, CA 92865. . Click here for directions.
Mailing Address: P.O. Box 4048, Santa Ana, CA 92702-4048
Hours of Operation: Monday - Friday | 8:00 am to 12:00 pm/1:00 pm to 5:00 pm
Phone: 714.955.0100
To submit an online service request, please visit our new Online Service Request Center MyOCeServices
OC Environmental Resources (Watersheds)
2301 North Glassell Street Orange, CA 92865. Click here for directions.
Mailing Address: P.O. Box 4048, Santa Ana, CA 92702-4048
Hours of Operations: Monday - Friday | 8:00 am to 5:00 pm
Phone: 714-955-0600
24-Hour Water Pollution Hotline - 1-877-89-SPILL (77455)
To submit an online service request, please visit our new Online Service Request Center MyOCeServices
Fruit Street Campus
OC Construction
1152 East Fruit Street, Santa Ana, CA 92701. Click here for directions.
Mailing Address: P.O. Box 4048, Santa Ana, CA 92702-4048
Hours of Operations: Monday - Friday | 8:00 am to 5:00 pm
Phone: 714.245.4500
To submit an online service request, please visit our new Online Service Request Center MyOCeServices
OC Facilities Maintenance & Central Utility Facility
1152 E. Fruit St, Santa Ana, CA 92701-4204. Click here for directions.
Phone: 714.647.3999
OC Fleet Services
Transportation Fleet Management - Repair Shop #1
1143 E. Fruit Street, Santa Ana, CA 92701-4204. Click here for directions.
Hours of Operations: Monday - Friday | 7:00 AM - 5:00 PM
Phone: 714-567-7744
OC Facilities Maint & Central Utility Facility
1143 E. Fruit Street, Santa Ana, CA 92701-4204. Click here for directions.
Compressed Natural Gas (CNG) Fueling Station
Operating Hours: 7 Days/24 Hours Self-Serve Fueling
Products Available: Compressed Natural Gas 2023 W. Collins Avenue
Orange, CA 92867
