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Updated 2025 Tax Year

Beaver County
Property Tax Guide

Everything you need to know about property taxes in Beaver County, OK. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Quick Facts
Tax Rate
Approximately 0.7706% effective rate (varies by district and location within county)
Exemptions
5+ Available
Section 1

How Property Tax Works

Beaver County, Oklahoma operates under the state's property tax system, which funds essential local services including schools, county operations, emergency services, and infrastructure maintenance. Property taxes are assessed annually based on fair market value, with Oklahoma's standard assessment ratio applied to determine taxable value. The effective tax rate in Beaver County varies by location within the county due to different combinations of taxing districts.

Property tax rates in Beaver County are comprised of multiple components including the county general fund, school district levies, and various special assessment districts. The estimated effective rate for areas east of Minersville Reservoir is approximately 0.7706% for 2026, though this can vary significantly based on your specific location within the county. Actual rates depend on which school district, fire district, and other special taxing jurisdictions serve your property address.

Section 2

What Makes Up Your Tax Bill

ComponentRateDescription
County GeneralVariesBasic county services, roads, law enforcement
School DistrictVariesLocal school operations and facilities
Special DistrictsVariesFire protection, water, other local services
Estimated Total~0.77%East of Minersville Reservoir area (2026 estimate)

Note: These rates apply to the 2026 levy year and vary significantly by location within Beaver County. Your actual rate depends on which school district, fire district, and special assessment areas serve your property. Contact the Beaver County Assessor's office for your specific tax rate breakdown.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Beaver County, property taxes are due in two installments:

Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Oklahoma are triggered by changes in property ownership, new construction, or improvements that increase a property's assessed value mid-year. When these events occur after the January 1 assessment date but before the tax year ends, a supplemental tax bill is issued to capture the additional tax liability for the remainder of the tax year.

For example, if you purchase a home in June that was previously exempt from taxation, or if you complete a major renovation that increases your home's value by $50,000, you would receive a supplemental tax bill. The supplemental tax is calculated by taking the difference between the old and new assessed values, applying the current tax rate, and prorating it for the remaining months in the tax year.

Example Calculation

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value: $300,000 (at assessment ratio)
  • Less: Homestead Credit (if applicable): Variable
  • Net Taxable Value: ~$300,000
  • Annual Tax (at 0.77%): $2,310
  • Monthly Payment: $192.50

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value: $600,000 (at assessment ratio)
  • Less: Available Credits (if applied): Variable
  • Net Taxable Value: ~$600,000
  • Annual Tax (at 0.77%): $4,620
  • Monthly Payment: $385.00

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value: $1,000,000 (at assessment ratio)
  • Less: Available Credits (if applied): Variable
  • Net Taxable Value: ~$1,000,000
  • Annual Tax (at 0.77%): $7,700
  • Monthly Payment: $641.67

Note: These calculations use estimated rates and assume credits have been properly applied for. Actual taxes will vary based on your specific location and applicable taxing districts.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Beaver County require borrowers to maintain an escrow account for property taxes and insurance. Your lender collects 1/12 of your estimated annual property tax bill with each monthly mortgage payment. The lender then pays your property taxes directly to the county when they become due, typically around October 1st each year.

Lenders are required to conduct an annual escrow analysis to ensure adequate funds are being collected. If property taxes increase, your monthly escrow payment may be adjusted upward. If there's an escrow shortage, you may need to make a lump sum payment or spread the shortage over 12 months. Property owners should verify that their lender is making timely payments and maintain records of all tax payments to avoid potential penalties for late payment.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are property taxes due in Beaver County? A: Property taxes are typically levied each October 1st on the assessed value as of January 1st of the same year. Contact the Beaver County Treasurer's office for specific due dates for the current fiscal year.

Q: What tax credits are available and do I need to apply? A: Various tax credits may be available including homestead credits, senior citizen credits, and veteran credits. Most credits require annual application and are NOT automatic. Contact the Beaver County Assessor's office for available credits and application requirements.

Q: How does the homestead credit work? A: The homestead credit typically limits annual increases in assessed value rather than reducing market value. This credit caps assessment growth and requires filing an application. It does not automatically reduce your property's assessed value but protects against large year-over-year increases.

Q: When do I need to file for credits and exemptions? A: Most applications have specific deadlines. Business personal property declarations are due May 15th annually. Contact the Assessor's office for homestead and other credit application deadlines.

Q: How often are properties reassessed? A: Oklahoma follows state guidelines for assessment cycles. Contact the Beaver County Assessor's office for the specific reassessment schedule and to understand when your property was last assessed.

Q: What happens if I pay my taxes late? A: Late payments typically incur additional charges including penalties and interest. Contact the Beaver County Treasurer's office for specific penalty rates and payment options.

Q: Can I pay my property taxes online? A: Contact the Beaver County Treasurer's office to inquire about online payment options and accepted payment methods.

Q: How do special district taxes affect my bill? A: Your property may be subject to additional taxes from school districts, fire districts, and other special assessment areas. These vary by location within the county and are added to your base county tax rate.

Q: How do I appeal my property assessment? A: If you believe your property is overvalued, you can appeal the assessment. Contact the Beaver County Assessor's office for the appeals process, deadlines, and required documentation.

Q: What triggers a supplemental tax bill? A: Ownership changes, new construction, major improvements, or changes in exemption status after the January 1st assessment date can trigger supplemental taxes for the remainder of the tax year.

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