Credit card processing and merchant services in Oklahoma City, OK
Most of Oklahoma City charges 8.625% sales tax, and since November 2025 you can add a credit card surcharge of up to 2% or your cost, whichever is less.
Oklahoma City's own sales tax is 4.125%, and one cent of it goes to MAPS 4 projects. The City says the overall rate in most of Oklahoma City is 8.625%, which is that 4.125% plus the 4.5% state rate. The Tax Commission's rate chart lists Oklahoma City at 4.125% and marks it as a city where use tax is due on out-of-state purchases at the same rate. Notice the word "most," and check each address before you set a terminal.
OKC is spread out. The Census Bureau counted 1,123.5 people per square mile in 2020, about a third of Houston's 3,598.4, and estimated 719,849 residents in July 2025. If you deliver goods across that much ground, Oklahoma's sourcing rule matters: the rate where the customer receives the goods applies, not your shop's rate.
The other change is surcharging. Since November 1, 2025, Oklahoma has let sellers add a credit card surcharge of up to 2% or their actual processing cost, whichever is less, with the amount posted at the entrance and the point of sale. On a $60 dinner, that caps the fee at $1.20, or less if your cost is lower. Whether it's worth the signs and the questions from customers is your call. Either way, know your real cost per card first. Interchange-plus pricing shows it on every statement.
The 2022 Economic Census counted $19.6 billion in retail sales in the city, about $28,163 per resident. If you run one of those registers, send a statement for a free statement review, and see our Oklahoma page for the full surcharge rules.
Rules that matter in Oklahoma City
City sales tax and use tax
The City of Oklahoma City's sales tax is 4.125 percent, and 1 cent of it goes to MAPS 4 projects. The City says the overall sales tax rate in most of Oklahoma City is 8.625%, with 4.125 cents of each taxable dollar going to the City.
The Oklahoma Tax Commission's rate chart lists Oklahoma City at 4.125% and marks it as a city where use tax is due, at the same rate, on sales from out of state.
Sources: City of Oklahoma City, Taxes; City of Oklahoma City, Oklahoma City's July 2026 sales and use tax summary; Oklahoma Tax Commission, Rates and codes for sales, use, and lodging tax, first quarter 2026 (PDF)
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Common questions
What is the sales tax rate in Oklahoma City?
8.625% in most of the city: the 4.5% state rate plus Oklahoma City's 4.125%. The City says that rate covers most of Oklahoma City, so confirm each address. If you deliver, charge the rate where the customer receives the goods.
Can an Oklahoma City restaurant add a credit card surcharge?
Yes, since November 1, 2025, within limits: up to 2% of the bill or your actual processing cost, whichever is less, with the amount posted at the entrance and the point of sale. Online orders need the notice on your home and payment pages, and phone orders need it said aloud. Debit cards can't be surcharged under Visa and Mastercard rules.
How much of Oklahoma City's sales tax goes to MAPS 4?
One cent of the city tax of 4.125% goes to MAPS 4 projects, according to the City. At the register only the total matters: 8.625% in most of Oklahoma City.
Why does interchange-plus pricing matter for Oklahoma City merchants who surcharge?
Oklahoma caps a surcharge at 2% or your actual cost to process the card, whichever is less. On interchange-plus, each transaction shows interchange and network fees at cost plus our markup, so you can see your real cost per card. That number sets how much you can surcharge and whether it's worth doing.
More Oklahoma cities besides Oklahoma City
Disclaimer: general information, not professional advice
This page is general educational information, not legal, tax, accounting or financial advice. Rules and rates vary by place and change, so confirm them with the official source and a qualified professional before you act. Full terms are in our Terms of Service.
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