Content block block-333065058-1780003168 Body Tax Billing/Payment InformationTreasurer Tax-Collector(714) 834-3411 or AskTaxCollector@octreasurer.govAssessment Values – Real PropertyAssessor Office(714) 834-2727Assessment Values – AircraftsAssessor Office(714)-834-2772Assessment Values – Boats and WatercraftsAssessor Office(714) 834-2772Change of OwnershipAssessor Office(714) 834-5031Change of Mailing AddressAssessor Office(714) 834-2939Auditor/Controller's OfficeAuditor-Controller Office(714) 834-2450Tax Exemptions Assessor Office(714) 834-3821Property RecordingsClerk of the Board(714) 834-2500Claim for Refund of Taxes Paid and/or Penalties PaidClerk of the Board(714) 834-2206Assessment AppealClerk of the Board(714) 834-3453 Links in this section relate to Body