If you sell taxable tangible goods in California, you will generally need a California seller’s permit before making sales. The California Department of Tax and Fee Administration (CDTFA) administers the permit and sales and use tax program. This applies to businesses with a California location and can also apply to remote ecommerce and cross-border sellers that meet California’s current registration rules.
California is particularly demanding operationally because district taxes sit on top of the statewide rate. The tax rate can depend on the delivery address, not simply the customer’s city or county, so address-level rate determination and accurate records matter from the first California sale. Sales Tax Compliance USA is a done-for-you service staffed by people: we assess your facts, prepare and manage the registration process, and help you build an ongoing compliance process.
Do you need a California seller’s permit?
A California seller’s permit is generally required when you sell or lease merchandise, vehicles, or other tangible personal property in California, including when sales are temporary. CDTFA states that a person selling tangible merchandise in California and making three or more sales in a 12-month period generally must hold a seller’s permit, whether those sales are retail or resale sales.
A business making only occasional sales may not need a permit. CDTFA describes an occasional sale as no more than two sales in a 12-month period when the person is not otherwise required to hold a seller’s permit. The facts matter: product type, how often you sell, where goods are delivered, your business presence, and your California sales volume can all affect the conclusion.
California is not a home-rule sales tax state. The CDTFA administers the state’s sales and use tax program, including the reporting of applicable local and district taxes. Local tax layers still make California complex, but sellers do not separately register with each city or county to obtain the California seller’s permit.
California remote-seller threshold and economic nexus
A retailer located outside California generally must register with the CDTFA and collect California use tax when its total combined sales of tangible personal property for delivery in California exceed $500,000 in the current or preceding calendar year. The CDTFA threshold is based on combined sales for delivery in California, rather than only sales that are ultimately taxable.
Remote sellers should not treat the threshold as the only registration trigger. A physical California connection, such as inventory, personnel, an office, or certain other in-state activities, can create an obligation before the remote-seller threshold is reached. Marketplace arrangements and the role played by the marketplace can also change who has collection and reporting responsibilities.
If you sell from outside the United States, the same practical question applies: are you engaged in business in California, or have you crossed the current remote-seller sales threshold? We review the sales channels, inventory flow, California delivery sales, and business footprint so the registration decision is tied to your actual operations.
How to register for California sales tax
Registration is completed through the CDTFA online services portal. Start by choosing the option to register for a permit and then register a new business activity. The online application asks questions about the business and uses the responses to identify the permits, licenses, or accounts that may be required.
Apply before making taxable sales that require a permit. Selling merchandise in California without first obtaining a required seller’s permit violates California law and can lead to fines and penalties. A permit is not a substitute for determining whether a sale is taxable or for calculating the correct tax rate; it is the account that allows you to collect, report, and pay tax when required.
The CDTFA may be able to issue a seller’s permit the same day, but the actual timing depends on the application and whether the CDTFA needs additional information. Do not plan a launch around an assumed processing time. Sales Tax Compliance USA can organize the information, submit the registration process with you or on your behalf as appropriate, and follow through on outstanding items.
What information is required for a California seller’s permit?
Have your business details ready before beginning. The CDTFA registration process calls for valid identification, a Social Security number or Individual Taxpayer Identification Number, an email address, supplier name and address, personal references, and bookkeeper or accountant contact details if applicable. The application may also require the contact information for the person who maintains the books and records.
Entity information is also relevant. Depending on the business structure, the CDTFA lists a federal employer identification number, California Secretary of State entity number, and officer, member, or partner information among the required registration details. Be prepared to provide identifying and contact information for responsible people connected with the business.
For a seller’s permit, the CDTFA specifically requests projected monthly sales, projected monthly taxable sales, and the products to be sold. CDTFA publication guidance also refers to bank-account details and estimated income. If you bought an existing business, you will need the previous owner’s name and seller’s permit number. A careful application matters because the reported facts can affect account setup and filing frequency.
How much does California sales tax registration cost?
There is no fee to register for a California seller’s permit. CDTFA also describes online registration as free. That means the state does not charge a standard permit-registration fee, whether a business applies directly or uses a service to help manage the work.
However, CDTFA may request a security deposit depending on the type of business and expected taxable sales. A security deposit is not the same as a registration fee, and whether one is requested depends on the circumstances of the account. Ask before budgeting for a launch if this could affect your business.
Our service fee, if you engage Sales Tax Compliance USA, is separate from any CDTFA requirement. We explain the scope of our human-led registration work clearly before proceeding, including what information we need from you and what ongoing compliance support you choose.
California’s address-based rates and district taxes
California’s standard statewide sales and use tax rate is currently 7.25 percent. District taxes may apply in addition to that rate, and the combined rate is not the same across all California locations. Some locations have more than one district tax in effect.
For ecommerce sellers, delivery location is central. Retailers engaged in business in a district are generally required to collect that district’s use tax on taxable sales delivered into the district. The practical result is that California rate determination can depend on the precise delivery address, including address-level differences that a city or county label may not reveal.
Use the CDTFA’s current rate lookup by address for each relevant delivery location rather than relying on a generic statewide, city, or county rate. Rates and district boundaries can change. We help sellers establish a defensible operating process for California orders, product taxability questions, address data, exemption documentation, and reporting.
What to do after you receive a seller’s permit
Once registered, collect the correct tax on taxable California transactions, keep complete sales and purchase records, file the returns assigned to your account, and pay the reported tax by the applicable due date. A return is required by the due date even if you had no sales to report for the period.
Set up a reliable routine for reviewing California order data. That should include delivery addresses, taxable versus exempt transactions, returns and adjustments, resale or exemption documentation where relevant, marketplace activity, and the tax actually collected. Because district taxes vary by location, clean address data and reconciliation between sales records and returns are especially important.
Tell the CDTFA when account details change or when you stop making taxable sales and need to close the account. Do not simply stop filing. An open account can continue to generate filing obligations until it is properly updated or closed through the CDTFA process.
California filing frequency and deadlines
The CDTFA assigns filing frequency based on sales tax reported or taxable sales anticipated at registration. The available frequencies are quarterly prepayment, quarterly, monthly, fiscal yearly, and yearly. Your account notice and online services account determine the schedule you must follow; do not choose a frequency based only on what another seller uses.
For regular quarterly filers, returns for January through March are due April 30; April through June returns are due July 31; July through September returns are due October 31; and October through December returns are due January 31. Monthly returns are generally due on the last day of the following month. Yearly and fiscal-yearly accounts have their own CDTFA due dates.
Businesses placed on quarterly prepayment must make prepayments for the first two months of the quarter and then file the quarterly return. CDTFA states that, upon written notification, a person whose estimated measure of tax liability averages $17,000 or more per month must make prepayments as prescribed by law. If a deadline falls on a weekend or state holiday, CDTFA extends it to the next business day.
Temporary sellers and temporary seller’s permits
Temporary sellers need a California permit when they sell taxable items at a location for less than 90 days. CDTFA treats these businesses as temporary sellers and requires a temporary seller’s permit. Each temporary sales location must be registered.
A temporary permit is for an individual with no permanent place of business and covers a selling period of 90 days or less at one location. You can obtain it up to 90 days before the business start date. You must provide valid start and end dates, and multiple locations may be registered if they operate during the same 90-day period; a new location cannot be added later to an existing temporary permit.
If you already hold a seller’s permit for a permanent business location and also sell at a temporary California location, you generally do not need a separate temporary seller’s permit. Instead, register a sub-permit for each temporary location. Temporary-permit holders must file a return by the last day of the month following the month in which the temporary location closes.
What happens if you sell in California without registering?
Making sales of merchandise in California without first obtaining a required seller’s permit violates the law and subjects the seller to fines and penalties. Registration does not erase tax that should have been collected or paid for earlier periods. The CDTFA can assess tax due, interest, and applicable penalties based on the facts of the case.
Late filing and late payment can create additional exposure. For businesses on quarterly prepayment, CDTFA states that failing to make a required prepayment before filing a timely quarterly return and payment may result in a 6 percent penalty, calculated on 90 percent of the tax liability for each required prepayment not received. Other penalty outcomes depend on the type of noncompliance and the account history.
If you discover a missed registration, do not wait for the issue to grow. Preserve records, identify when California obligations may have started, and obtain case-specific guidance from the CDTFA or a qualified adviser. Our team can review the operational facts, help map the compliance gap, and manage a practical next-step plan without making promises about an outcome.
Not sure how this applies to your business? We handle US sales tax registration, filing and remittance for ecommerce sellers as a fully managed service, for one fee. Book a free consultation and we will review your own position with you.
California sales and use tax return schedules and key due-date mechanics assigned by the CDTFA
| CDTFA-assigned schedule | What the business must do | Key timing |
|---|---|---|
| Monthly | File a sales and use tax return and pay the tax for each monthly reporting period. | Generally due on the last day of the following month. |
| Quarterly | File one return for each calendar quarter, including a return for a zero-sales period when the account remains active. | Q1: April 30; Q2: July 31; Q3: October 31; Q4: January 31. |
| Quarterly prepayment | Make prepayments for the first two months of each quarter, then file the full quarterly return. | Prepayments are generally due on the 24th of the following month; the quarterly return follows the quarterly due-date schedule. |
| Yearly or fiscal yearly | File on the annual reporting basis assigned by CDTFA. | Check the assigned CDTFA schedule; calendar-year yearly returns are due January 31, while fiscal-yearly returns are due April 15. |
| Temporary seller’s permit | File for the temporary selling activity after the registered location closes. | Due by the last day of the month following the month the temporary location closes. |
Frequently asked questions
Who needs to register for a California seller’s permit?
Businesses that sell or lease tangible personal property in California generally need a seller’s permit, including sellers operating temporarily. CDTFA states that making three or more sales of tangible merchandise in California in a 12-month period generally requires a permit. Remote sellers that exceed California’s current $500,000 combined-sales threshold for delivery in California generally must register, and physical California connections can also create an obligation.
What information is required to apply for a California seller’s permit?
The CDTFA online registration process requests business, entity, and responsible-person details. This can include valid identification, SSN or ITIN, email address, supplier information, personal references, federal and California entity identifiers when applicable, projected monthly sales, projected monthly taxable sales, and products to be sold. CDTFA also identifies bank-account details and estimated income as information needed for a seller’s permit application.
How long does California sales tax registration take?
The CDTFA may be able to issue a seller’s permit the same day. Processing can take longer if the application is incomplete or CDTFA asks for additional information, so there is no universal guaranteed turnaround time. Apply before taxable California sales begin and allow time to resolve any questions.
Is there a fee to register for a California seller’s permit?
No. CDTFA states that there is no charge for a California seller’s permit and that online registration is free. CDTFA may request a security deposit depending on the business type and expected taxable sales, which is separate from a registration fee.
What are your obligations after receiving a California seller’s permit?
You must collect the correct tax on taxable sales, maintain records, file assigned sales and use tax returns, and pay tax by the due date. CDTFA requires returns even when there are no sales to report for an active reporting period. You should also keep account information current and close the account properly if you stop making taxable California sales.
How often do you need to file California sales tax returns?
The CDTFA assigns the filing frequency based on reported sales tax or anticipated taxable sales at registration. Possible schedules are monthly, quarterly, quarterly prepayment, yearly, and fiscal yearly. Check your CDTFA account and notices for the schedule assigned to your business.
Do temporary sellers need a California seller’s permit?
Yes, a seller making taxable sales at a location for less than 90 days is generally required to hold a temporary seller’s permit. Each temporary sales location must be registered. A seller that already has a permanent-location seller’s permit generally registers a sub-permit for each temporary location instead of obtaining a separate temporary permit.
What happens if you sell in California without registering?
Selling merchandise in California without first obtaining a required seller’s permit violates California law and can result in fines and penalties. The business may also face assessment of unpaid tax, interest, and other applicable penalties. The exact exposure depends on the facts, so confirm your position with the CDTFA or ask us to review the situation with you.
How we handle this for you
The mechanics in California are manageable on their own; the cost is the time it takes every single filing period, in every state you are registered in. We are a managed service: our team registers you with the California Department of Tax and Fee Administration (CDTFA), prepares and files your returns, and keeps you compliant period after period. You get one point of contact and one invoice — you do not get another dashboard to learn.
See our sales tax compliance services, check where you have obligations with the nexus calculator, or talk to us about California.
Official sources
- https://cdtfa.ca.gov/formspubs/pub107/
- https://cdtfa.ca.gov/services/registration.htm
- https://cdtfa.ca.gov/formspubs/pub109/
- https://cdtfa.ca.gov/formspubs/pub105/
- https://cdtfa.ca.gov/industry/local-and-district-retailer-taxes/getting-started.htm
- https://cdtfa.ca.gov/taxes-and-fees/sales-use-tax-returns-filing-dates.htm
Reviewed by Paul le Roux, CA(SA). Sales Tax Compliance USA handles US sales tax registration, filing and remittance for cross-border and domestic ecommerce sellers as a fully managed service.
This page is general information for educational purposes and does not constitute legal or tax advice. Sales tax rules change and depend on your specific facts. Consult a qualified tax professional about your own position.
Related guides
Other California guides: Economic nexus · Filing · Permit
Registration in nearby states: Nevada · Arizona
Selling into several states? Check where you have crossed a threshold with the free nexus diagnostic, see the full 51-state threshold table, or browse every state guide.