How to Contact Us

Need assistance? Use this page to identify the best contact for your specific questions or concerns.

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For the quickest response to questions about your CDTFA account, taxes, or fees, please call our Customer Service Center at 1-800-400-7115 (TTY:711). Customer Service Representatives are available to assist you Monday through Friday (except state holidays) from 7:30 a.m. to 5:00 p.m. (Pacific time).

You can also see live wait times our Customer Service Center Dashboard or get 24/7 assistance using our chat feature.

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General Information

General Information Contacts
Topic Contact Information Resources
General tax program and account information Customer Service Center
Telephone: 1-800-400-7115
Sales and Use Tax
Special Taxes and Fees
Open an account, license, or permit Customer Service Center
Telephone: 1-800-400-7115
Online Services Registration
Update or close out your account, license, or permit Customer Service Center
Telephone: 1-800-400-7115
Update or close out your account using our Online Services Portal.
Verify an account, license, or permit Customer Service Center
Telephone: 1-800-400-7115
From our Online Services Portal, select Verify a Permit, License, or Account from the options under Registration.

Sales and Use Tax

Sales and Use Tax Contacts
Topic Contact Information Resources
Audit or collection questions or concerns Please contact either: Publication 76, Audits
Publication 54, Collection Procedures
Payments Payment information
Payment plan requests Payment plan information
Refunds Refunds Section
Telephone: 1-916-445-1315
FAX: 1-916-324-0147
Publication 117, Filing a Claim for Refund
Billing questions or issues on self-assessed returns Return Analysis Section
Telephone: 1-916-445-7732
FAX: 1-916-323-0478
EFT Helpline: 1-916-327-4229
Petitioned (disputed) Department-assessed billings Petitions Section
Telephone: 1-916-445-2259
FAX: 1-916-324-0678
Email: PetitionsSection@cdtfa.ca.gov
Publication 17, Appeals Procedures
Use tax on private party transactions of vehicles, vessels, aircraft, and mobile homes – Inquiries and returns Consumer Use Tax Section
Telephone: 1-916-445-9524
FAX: 1-916-324-2491
Email contacts:
Tax Guide for Purchasers of Vehicles, Vessels, & Aircraft
Use tax on private party transactions of vehicles, vessels, and aircraft – Payment or collection on billed liabilities Use Tax Collections Bureau
Telephone: 1-916-309-8150
Tax Guide for Purchasers of Vehicles, Vessels, & Aircraft
Use tax on imported items Use Tax Collections Bureau
Telephone: 1-916-309-8150
California Use Tax for Foreign Purchases

Special Taxes and Fees

Special Taxes and Fees Contacts
Topic Contact Information Resources
Registration and tax or fee returns Program and Compliance Bureau
Telephone: 1-916-309-8051
Special Taxes and Fees
Collections Program and Compliance Bureau
Telephone: 1-916-309-8051
Publication 54, Compliance Procedures
Payment plan information
Payments Payment information
Payment plan requests Payment plan information
Audits and examinations Audit Examination Branch
Telephone: 1-916-309-0361
Petitioned (disputed) Department-assessed billings Appeals and Data Analysis Branch
Telephone: 1-916-309-0284
Refunds Appeals and Data Analysis Branch
Telephone: 1-916-309-0284
How to File a Claim for Refund
IFTA accounts – Audits, compliance, and collections Motor Carrier Office
Telephone: 1-916-309-0900
International Fuel Tax Agreement (IFTA) and Interstate User Diesel Fuel Tax
Other Tax Related Contacts
Topic Contact Information Resources
Bankruptcies, assignments, receiverships, and probates Collections Support Bureau
Telephone: 1-916-309-5650
FAX: 1-916-324-0615
Liens and lien releases Collections Support Bureau
Telephone: 1-916-309-5650
FAX: 1-916-324-0615
From our Online Services Portal, select Request an Escrow Demand to Pay Tax Lien from the options under Limited Access Functions.
Subpoenas Subpoena Section
Telephone: 1-916-309-8333
Offers in compromise Offers in Compromise Section
Telephone: 1-916-322-7931
FAX: 1-916-322-7940
Offer in Compromise
Settlements Settlement and Taxpayer Services Bureau
Telephone: 1-916-324-2836
FAX: 1-323-3387
Email: settlement@cdtfa.ca.gov
Settlement Program
Taxpayers’ Rights Advocate Office (TRA) – Taxpayer support TRA
Telephone: 1-888-324-2798
Taxpayers’ Rights Advocate Office
Report tax violations Tax Evasion Hotline
Telephone: 1-888-334-3300
Report Suspected Violations
Tax Practitioners - Support Tax Practitioners Hotline
Telephone: 1-800-401-3661
Tax Guide for Tax Practitioners
Small Business (SB)/Disabled Veteran Business Enterprise (DVBE) Advocate – Doing business with CDTFA SB/DVBE Advocates
Telephone: 1-916-309-5417
Doing Business with CDTFA

Media, Records, and Speaker Requests

Media, Records, and Speaker Requests Contacts
Topic Contact Information Resources
Media Inquiries Office of Public Affairs
Telephone: 1-916-309-8488
Public records act requests and information Disclosure Office
Telephone: 1-916-445-2918
FAX: 1-916-324-5995
Email: disclosure.office@cdtfa.ca.gov
Request a speaker Telephone: 1-916-309-8440 Request a Speaker

Miscellaneous

Miscellaneous Contacts
Topic Contact Information Resources
CDTFA mailing address California Department of Tax and Fee Administration
PO Box 942879
Sacramento, CA 94279
CDTFA Headquarters – Physical address May Lee State Office Complex
651 Bannon Street, Suite 100
Sacramento, CA 95811-0299
Technical issues with our website You can report technical issues using our General, Non-Confidential Tax Questions form.
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