Sorry, this page has moved!
Please click here to go to the new location.

Office Locations

County Administration South

County Administration South

601 North Ross Street
Santa Ana, CA 92701

Click map icon 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
    myOCeServices
  • 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

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

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

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

OC Facilities Design and
Construction Management

 Phone: 714.667.4938

Glassell Campus

OC Operations & Maintenance

2301 Glassell Street, Building A
Orange, CA 92865

Click map iconhere 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 map iconhere 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 map iconhere 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)

Fruit Street Campus

OC Construction

1152 East Fruit Street
Santa Ana, CA 92701

Click map iconhere 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 map iconhere for directions.

1152 E. Fruit Street
Santa Ana, CA 92701-4204

Click map icon 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 map icon here for directions.

 Hours of Operation:
Monday - Friday | 7:00 a.m. - 5:00 p.m.
Phone: 714.567.7744