Contact Us

We’re Moving!

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OC Public Works Headquarters

County Administration South

601 North Ross Street, Santa Ana, CA 92701. Click map icon  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: phone icon 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 map icon  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 map icon  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: phone icon 714.667.8888

 

OC Survey - starting 9/16/19

601 North Ross Street, Santa Ana, CA 92701. Click map icon  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: phone icon 714.967.0852

 

OC Infrastructure Programs - starting 9/16/19

601 North Ross Street, Santa Ana, CA 92701. Click map icon  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: phone icon 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 map icon  here for directions.  

Phone: phone icon 714-667-4938