Key takeaways
- Oklahoma sales tax rates: The state rate is 4.5%, and high local taxes push combined rates up to about 11.5%. The state grocery tax was eliminated on August 29, 2024, but local taxes still apply to groceries.
- Economic nexus: Remote sellers must collect once sales into Oklahoma exceed $100,000 in the previous 12 months. There is no transaction-count threshold.
- Filing & penalties: Most returns are due on the 20th of the month after the period, with a 1% timely-filing discount capped at $2,500. Filing more than 15 days late costs 10% of the tax due, plus 1.25% interest per month.
Oklahoma sales tax key facts (2026)
| Item | Oklahoma |
|---|---|
| Statewide rate | 4.5% |
| Combined rate range | Up to ~11.5% |
| State grocery tax | Eliminated Aug 29, 2024 (local still applies) |
| Economic nexus threshold | $100,000 (no transaction count) |
| Sourcing | Destination-based |
Collect and file Oklahoma sales tax with Taxually: LumaTax monitors your nexus, registers you and files your returns.
Is SaaS taxable?
No.
| Item | Oklahoma |
|---|---|
| Timely-filing discount | 1% (max $2,500) |
| Return due date | 20th of the month after the period |
| Governing agency | Oklahoma Tax Commission |
What is the sales tax rate in Oklahoma?
Oklahoma’s statewide sales tax rate is 4.5%. Cities and counties add local taxes, and Oklahoma’s local rates are high — combined rates reach as much as 11.5%. Look up a combined rate with the Oklahoma Tax Commission rate locator.
Do you have sales tax nexus in Oklahoma?
Nexus is the connection that obligates your business to collect and remit Oklahoma sales tax. You can establish it two ways — physically or economically. Either one is enough.
Physical nexus
You have physical nexus if you have a tangible presence in Oklahoma, such as:
- A physical place of business such as a warehouse or office
- Employees, salespeople, or representatives conducting business in the state
- Storing inventory within the state
- Delivering merchandise in vehicles owned or leased by the business
Economic nexus
Out-of-state sellers establish economic nexus once sales into Oklahoma exceed $100,000 in the previous 12 months. There is no transaction-count threshold.
What is taxable in Oklahoma?
Sales tax generally applies to tangible personal property and certain services. Common exemptions include purchases for resale and certain prescription medications and medical equipment.
Is SaaS taxable in Oklahoma?
No. Oklahoma does not tax SaaS.
How is food taxed in Oklahoma?
Major change: Oklahoma eliminated the 4.5% state sales tax on groceries effective August 29, 2024 (HB 1955). Local city and county taxes still apply to groceries, however, and prepared/restaurant food remains taxable at the full combined rate.
How to register for an Oklahoma sales tax permit
Register for a sales tax permit before collecting. Taxually can register for you, or you can apply through the Oklahoma Taxpayer Access Point (OkTAP). There’s a $20 application fee plus $10 per additional location, and permits renew every three years.
Have ready: personal identification (name, SSN, address), business identification (name, EIN, address), entity type and incorporation date, and the products or services you sell.
How to collect sales tax in Oklahoma
Oklahoma is destination-based — charge tax based on the delivery location. Remote sellers with nexus collect use tax, which mirrors the sales tax rate.
Filing and paying Oklahoma sales tax
Filing is monthly for most businesses (due the 20th of the following month) or semi-annual for those owing $50 or less per month (due July 20 and January 20). Oklahoma offers a 1% timely-filing discount, capped at $2,500.
File and pay through OkTAP (required if you owe more than $2,500/month) or by mail using Form STS-20002. Taxually’s software automates the full process.
Penalties for late or non-compliant filing
Failing to file or pay on time triggers these penalties:
- Failure to file: 10% of the tax due if not filed within 15 days of the due date.
- Interest of 1.25% per month on unpaid tax.
Frequently asked questions
What is the sales tax rate in Oklahoma in 2026?
The state rate is 4.5%, with high local taxes bringing combined rates up to about 11.5%.
Are groceries taxed in Oklahoma?
The 4.5% state grocery tax was eliminated on August 29, 2024, but local taxes still apply to groceries. Prepared and restaurant food remains fully taxable.
What is the economic nexus threshold for Oklahoma?
$100,000 in sales into Oklahoma in the previous 12 months. There is no transaction-count threshold.
Is SaaS taxable in Oklahoma?
No. Oklahoma does not tax SaaS.
When are Oklahoma sales tax returns due?
The 20th of the month following your reporting period for monthly filers.
Automate Alaska sales tax compliance
.avif)
.avif)
