Tax Preparers in Ontario, CA
406 tax preparers listed in the IRS Consolidated PTIN List for Ontario. Page 2 of 7.
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Confirm PTIN status and credential class with the IRS directly.
Data context: Listings come from the IRS Consolidated PTIN List (updated quarterly). PTIN registration is a filing prerequisite — it is not a quality endorsement. Not tax advice.
Browse by type:State-Regulated Tax Preparer (137)Registered Tax Preparer (115)Certified Public Accountant (68)Annual Filing Season Program Participant (46)Enrolled Agent (31)Certifying Acceptance Agent (7)Attorney (2)
Cullen Caston
PTINRegistered Tax PreparerFrancisca Castro
PTINRegistered Tax PreparerIndependent
Ontario, CA
Sonia Castro
PTINRegistered Tax PreparerIndependent
Ontario, CA
Norma Ceballos
AFSPAnnual Filing Season Program ParticipantJialin Chen
PTINRegistered Tax PreparerIndependent
Ontario, CA
Jianling Chen
PTINRegistered Tax PreparerIndependent
Ontario, CA
Katie Cheng
SRTPState-Regulated Tax PreparerKC ACCOUNTING & TAX SERVICES
Ontario, CA
Remy Chikasu
SRTPState-Regulated Tax PreparerRebecca Chormicle
SRTPState-Regulated Tax PreparerBeck's Income Tax Service
Ontario, CA
Maria Choy-masud
AFSPAnnual Filing Season Program ParticipantRudy Cifuentes
SRTPState-Regulated Tax PreparerLatoya Cobb
PTINRegistered Tax PreparerMelodie Cosby
EAEnrolled AgentJerry Cottrell
SRTPState-Regulated Tax PreparerCurtis Craig
CPACertified Public AccountantAnthony Creamer
CPACertified Public AccountantJill Criscione
AFSPAnnual Filing Season Program ParticipantHayley Crisostomo
AFSPAnnual Filing Season Program ParticipantShadric Crittendon
PTINRegistered Tax PreparerTyler Cross
CPACertified Public AccountantMaria Cruz
CAACertifying Acceptance AgentRosa Cruz
SRTPState-Regulated Tax PreparerChen Cui
CPACertified Public AccountantIndependent
Ontario, CA
Kristen Cunningham
EAEnrolled AgentWayne Cunningham
CPACertified Public AccountantHarmeet Dang
SRTPState-Regulated Tax PreparerTuan Dang
SRTPState-Regulated Tax PreparerTaurus Dantignac
SRTPState-Regulated Tax PreparerJosie Davis
SRTPState-Regulated Tax PreparerCeleste De La Torre
CAACertifying Acceptance AgentPatriot Tax Service
Ontario, CA
Derrick Debruyne
CPACertified Public AccountantSylvia Delgado
AFSPAnnual Filing Season Program ParticipantFernando Delgado Hernandez
PTINRegistered Tax PreparerIndependent
Ontario, CA
Christopher Denson
EAEnrolled AgentAida Deza
CAACertifying Acceptance AgentCrystal Diaz
PTINRegistered Tax PreparerJohana Diaz Orosco
AFSPAnnual Filing Season Program ParticipantZipporah Dixon
PTINRegistered Tax PreparerRainette Dominick
AFSPAnnual Filing Season Program ParticipantIndependent
Ontario, CA