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County Administration South  601 North Ross Street
Santa Ana, CA 92701 Click  here for directions. Mailing Address:
P.O. Box 4048
Santa Ana, CA 92702-4048
- To submit an online service request, please visit MyOCeServices.ocgov.com
 - If you need to report a flood emergency, please call 9-1-1 immediately.
| OC Public Works Headquarters
Administrative Services | Hours of Operation:
Monday - Friday | 8:00 a.m. to 5:00 p.m.
Phone: 714.667.8800 - Director’s Office and Administration, 4th Floor
- Building Services, 2nd Floor
- Human Resource Services, 4th Floor
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OC Development Services | Hours of Operation:
Monday - Friday | 8:00 a.m. to 4:00 p.m.
Phone: 714.667.8888 - County Service Center, 1st Floor
- Permitting
- Building and Safety
- Inspection Services
- Land Development
- Planning
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OC Survey | Hours of Operation:
Monday - Friday | 8:00 a.m. to 4:00 p.m.
Phone: 714.967.0852 - 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
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OC Infrastructure Programs | 3rd Floor
Hours of Operation:
Monday - Friday | 7:30 a.m. to 4:00 p.m.
Phone: 714.647.3999 | 714.245.4589 - Programming
- Engineering Design
- Flood Programs
- Project Management
- Traffic and Development Support
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| OC Facilities Design and
Construction Management | Phone: 714.667.4938 |
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Glassell Campus | OC Operations & Maintenance 2301 Glassell Street, Building A
Orange, CA 92865 Click here for directions. | Hours of Operation:
Monday - Friday | 6:00 a.m. - 4:30 p.m.
Phone: 714.955.0200 |
| OC Environmental Resources | |
| Agricultural Commissioner /
Sealer of Weights
& Measures 222 East Bristol Lane
Orange, CA 92865 Click here for directions. | Hours of Operation:
Monday - Friday | 8:00 a.m. to 12:00 p.m. / 1:00 p.m. to 5:00 p.m.
Phone: 714.955.0100 |
| OC Watersheds Program 2301 North Glassell Street
Orange, CA 92865 Click here for directions. | Hours of Operation:
Monday - Friday | 8:00 am to 5:00 pm
Phone: 714.955.0600
24-Hour Water Pollution Hotline: 1.877.89.SPILL (77455) |
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Fruit Street Campus | OC Construction 1152 East Fruit Street
Santa Ana, CA 92701 Click here for directions. | Hours of Operation:
Monday - Friday | 8:00 a.m. to 5:00 p.m.
Phone: 714.245.4500 |
| OC Facilities Maintenance
& Central Utility Facility (CNG)
1143 E. Fruit Street
Santa Ana, CA 92701-4204 Click here for directions. 1152 E. Fruit Street
Santa Ana, CA 92701-4204 Click here for directions. | Phone: 714.647.3999 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 |
| OC Fleet Services Transportation Fleet Management - Repair Shop 1
1143 E. Fruit Street
Santa Ana, CA 92701-4204 Click here for directions. | Hours of Operation:
Monday - Friday | 7:00 a.m. - 5:00 p.m.
Phone: 714.567.7744 |
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