| AlertOC (Register to be informed of emergencies | AlertOC.com |
| Assessor (Real Property Valuations): | (714) 834-2727 |
| Child Support Services: | (866) 901-3212 |
| Clerk Recorder (Birth/Marriage/Death): | (714) 834-2500 or https://ocrecorder.com |
| County of Orange Information: | (855) 886-5400 |
| Hazardous Waste (Four County sites): | (714) 834-6752 or https://oclandfills.com |
| Procurement: | (714) 567-7314 or VendorInfo@ocgov.com |
| Sheriff-Coroner (Non-emergency): | (714) 834-4350 |
| Registrar of Voters (Voter Registration/Elections): | (714) 567-7600 or https://ocvote.gov |
