Bryan County, OK follows the Oklahoma statutory schedule. This page shows that schedule, the county's own website, and the late penalty — the county can still set its own dates, so confirm before you pay.
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…until first half — January 2, 2027
Instalment
Due date
Notes
First half
January 2, 2027
Taxes are due and payable November 1, but at least half must be paid before January 1 or the entire bill becomes delinquent.
Second half
April 2, 2027
Remaining half must be paid before April 1 or that portion becomes delinquent.
Statewide schedule — read this before you rely on it
All 77 counties use the November 1 due date with half due by January 1 and the balance by April 1; the first half can slip later only where the roll is certified late. Most counties in this state follow these dates.
Delinquent ad valorem taxes bear interest of 1.5% a month or major fraction of a month until paid, capped at 100% of the unpaid tax.
County treasurers mail statements after the assessor certifies the tax roll in the fall, and collection opens November 1.
Bryan County at a glance
Population: 48,967 (Census estimate, 2023) — the 17th largest of 77 Oklahoma counties and county equivalents.
Typical tax bill: $943 a year (median for owner-occupied homes, ACS 2022 5-year estimate) — the Oklahoma median is $1,445.
Land area: 904.3 sq mi, about 54.1 people per sq mi.
What would the tax be on a house I buy here?
On a $400,000 purchase in Bryan County, OK, property tax comes to about $1,708 a year — roughly $142 a month — at this county's effective rate of 0.43%.
$
Effective rate 0.43% = this county's median owner-occupied tax bill ($943, ACS 2022 5-year estimate) divided by the typical home value at the time ($221,085, Zillow, 2022-12-31). Exemptions the seller holds — homestead, senior, veteran — usually do not transfer with the deed, so a new purchase can run above this figure. The county assessor sets the assessed value; this is an estimate, not a quote.
How to pay Bryan County property tax
Search "Bryan County OK treasurer" for the county's own payment page — we have not confirmed a site for this county.
By post: mail to the county treasurer; the postmark usually counts, not the arrival date.
In person: the treasurer's office, with your bill or parcel number.
Escrow: if your mortgage escrows taxes, the servicer pays — you still owe any shortfall.
Is this county verified?
Not yet. Bryan County is on the queue: we publish a county's own published dates once they have been checked against the county website. Ask for it and it moves up. Until then, the Oklahoma statutory schedule above is the reliable starting point.
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CountyTaxDates is an independent reference and is not a government agency. Deadlines change and exceptions apply — always confirm with your county treasurer using the official link on this page. Nothing here is tax, legal or financial advice.