Contact Us

Orange County Assessor South County Office
Civic Center Plaza, Building 11 Mission Viejo City Hall
625 N. Ross Street 200 Civic Center
Santa Ana, CA 92701 Mission Viejo, CA 92691
Open Monday through Friday from 8:00 AM to 5:00 PM Open Monday through Friday from 8:00 AM to 5:00 PM
Closed for Lunch from 12:00 PM to 1:00 PM
Assessor Department Contact Information
General Information 714-834-2727
South County Office 949-470-8428
Address Changes 714-834-2939
Assessor Parcel Maps 714-834-2727
Boats & Aircraft 714-834-2772
Business Personal Property 714-834-2930
Change of Ownership 714-834-5031
Homeowners' Exemptions 714-834-3821
Institutional Exemptions 714-834-2779
Veterans' Exemptions 714-834-5945
Real Estate 714-834-2727
Taxpayer's Advocate Office 714-568-5737

Orange County Assessor
Civic Center Plaza, Building 11
625 N. Ross Street, Room 142
Santa Ana, CA 92701
Phone: (714) 834-2727

Open Monday through Friday from 8:00 AM - 5:00 PM.

  • Self-Parking Locations:
    • Parking Meters - Along Ross Street  
  • Enter the building on the Ground Floor and take the elevator up to the 1st Floor
  • Assessor Public Service Center is across the hall in Room 142


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Click here to view the PDF file.

Orange County Assessor
Mission Viejo City Hall
200 Civic Center
Mission Viejo, CA 92691
Phone: (949) 470-8428

Open Monday through Friday from 8:00 AM - 5:00 PM.
Closed for Lunch from 12:00 PM to 1:00 PM

Driving Directions and Map
Coming from the South

  • Take I-5 North, exit La Paz.
  • Turn right and and continue on La Paz to Marguerite Pkwy.
  • Turn right at Marguerite Pkwy and take first right (Civic Center).
  • City Hall is located on the corner of La Paz and Marguerite Pkwy.
  • Park at your convenience.

Coming from the North

  • Take I-5 South, exit La Paz.
  • Turn left and continue on La Paz to Marguerite Pkwy.
  • Turn right at Marguerite Pkwy and take first right (Civic Center).
  • City Hall is located on the corner of La Paz and Marguerite Pkwy.
  • Park at your convenience.


View Larger Map