HonestCasa logoHonestCasa
All Tax Guides
Updated 2025 Tax Year

Yukon-Koyukuk County
Property Tax Guide

Everything you need to know about property taxes in Yukon-Koyukuk County, AK. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Calculate Your True CostMortgage Calculator
Quick Facts
Tax Rate
No general county property tax (unorganized borough), municipal rates vary by incorporated city
1st Due
Oct 31
Exemptions
5+ Available
Section 1

How Property Tax Works

Yukon-Koyukuk County, Alaska operates under Alaska's unique property tax system, where property taxes are not levied at the state level but may be imposed by local municipalities and boroughs. As an unorganized borough, Yukon-Koyukuk County does not impose a general property tax on most residential and commercial properties. However, property owners should be aware that certain incorporated cities within the county boundaries may levy their own property taxes, and special assessment districts may exist for specific services or improvements.

Unlike most states, Alaska generates significant revenue from oil and gas resources, reducing the reliance on property taxes for funding local services. When property taxes are levied in Alaska, they must be assessed and taxed as authorized by Alaska Statute 29.45.010 through 29.45.600. Property owners in Yukon-Koyukuk County should verify with their specific municipality whether any local property taxes apply to their property, as rates and regulations can vary significantly between different taxing jurisdictions within the county.

Section 2

What Makes Up Your Tax Bill

ComponentRateDescription
Base County LevyN/AYukon-Koyukuk County does not levy a general property tax
Municipal TaxesVariesIndividual incorporated cities may impose property taxes
School District LevyVaries by DistrictLocal school districts may levy taxes where authorized
Special Assessment DistrictsVariesLimited districts for specific services (fire, water, etc.)
State Property Tax0%Alaska does not impose state-level property taxes

Note: Tax rates for FY 2025-2026 are not publicly available as most areas within Yukon-Koyukuk County do not impose property taxes. Property owners should contact their local municipality or the Alaska Department of Commerce, Community, and Economic Development for specific information about any applicable local levies or special assessments in their area.

Section 3

When Are Property Taxes Due?

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

First Installment
Oct 31
Delinquent after Dec 10
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 Alaska are typically triggered by changes in property ownership, new construction, or completion of improvements that increase a property's assessed value during the tax year. When applicable, supplemental taxes are calculated based on the difference between the old and new assessed values, multiplied by the current tax rate, and prorated for the remaining months in the fiscal year.

For example, if new construction worth $50,000 is completed in January and the local tax rate is 1.0%, the supplemental tax would be calculated as: ($50,000 × 1.0% = $500) × (remaining months ÷ 12 months). However, since most areas in Yukon-Koyukuk County do not impose property taxes, supplemental assessments are rare and would only apply in municipalities that have enacted local property tax ordinances.

Example Calculation

Note: These examples are hypothetical, as most properties in Yukon-Koyukuk County are not subject to property taxes. These calculations would apply only in areas with local municipal property tax levies.

Example 1: $300,000 Property

  • Market Value: $300,000
  • Assessed Value (100%): $300,000
  • Less: Senior/Veterans Credits (if applicable): -$150,000
  • Net Taxable Value: $150,000
  • Annual Tax (1.0% rate): $1,500
  • Monthly Payment: $125

Example 2: $600,000 Property

  • Market Value: $600,000
  • Assessed Value (100%): $600,000
  • Less: Homestead Credit (if applicable): -$150,000
  • Net Taxable Value: $450,000
  • Annual Tax (1.0% rate): $4,500
  • Monthly Payment: $375

Example 3: $1,000,000 Property

  • Market Value: $1,000,000
  • Assessed Value (100%): $1,000,000
  • Less: Applicable Credits: -$150,000
  • Net Taxable Value: $850,000
  • Annual Tax (1.0% rate): $8,500
  • Monthly Payment: $708

All credits require application and approval. Rates shown are examples only.

See How Taxes Affect Your Payment

Property taxes are just part of your total monthly cost. Get the full picture.

Calculate Now
Section 5

Escrow & Property Taxes

Property tax escrow accounts are uncommon in Yukon-Koyukuk County since most properties are not subject to property taxes. However, if you own property in an area that does levy property taxes, your mortgage lender may require an escrow account to ensure timely payment. The lender collects 1/12 of the estimated annual tax amount with each monthly mortgage payment and pays the taxes directly to the taxing authority when due.

Lenders typically conduct annual escrow analyses to ensure adequate funds are collected, and may adjust monthly payments if taxes increase or decrease. Property owners should verify with their lender whether escrow is required and ensure accurate tax information is provided, especially since tax obligations can vary significantly between different areas within the county.

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 Yukon-Koyukuk County? A: Most areas in Yukon-Koyukuk County do not impose property taxes. Where local taxes exist, due dates typically fall in April and September, but exact dates vary by municipality.

Q: Are there homestead tax credits available? A: Homestead credits may be available in municipalities that levy property taxes, but require annual application. These credits typically cap assessment increases rather than reducing market value.

Q: What tax credits can I apply for? A: Available tax credits vary by municipality and may include senior, veteran, disability, and low-income credits. All credits require application and documentation - none are automatic.

Q: How often are properties assessed? A: Assessment schedules vary by local jurisdiction. Contact your municipal assessor for specific timelines and appeal procedures.

Q: What are the penalties for late payment? A: Late payment penalties vary by municipality but typically include interest charges and potential liens on the property.

Q: Can I pay property taxes online? A: Online payment options depend on the local taxing authority. Check with your municipality for available payment methods.

Q: Do special districts add to my tax bill? A: Yes, special assessment districts for services like fire protection or water systems may add to your tax obligation in certain areas.

Q: How do I appeal my property assessment? A: Appeal procedures vary by jurisdiction. Contact your local assessor's office for specific deadlines and requirements, typically within 30-60 days of assessment notice.

Verified Sources

Backed by 10 Official Government Sources

Every fact in this guide is sourced from official county, state, and federal documents.

01
Low Income Home Energy Assistance Program (LIHEAP)aws.state.ak.us
02
May 2025 Alaska Economic Trendslive.laborstats.alaska.gov
03
The cost of living in Alaskalive.laborstats.alaska.gov
04
Tax Doc
Property Tax, Local Government Online ...commerce.alaska.gov
05
7~2J)- HB 763 ■ oakleg.gov
06
Annual Report of the Department of the Interior 1944govinfo.gov
07
- HOUSING PARTNERSHIPS IN INDIAN COUNTRYgovinfo.gov
08
Alaska floods | U.S. Small Business Administrationsba.gov
09
Sheet 1eda.gov
10
DEPARTMENT of HEALTH and HUMAN SERVICESacl.gov
All sources verified as of 2025 Tax Year

See the Full Picture of Your Home Costs

Property taxes are just one piece of homeownership. HonestCasa helps you understand your total monthly cost and explore safe ways to access your home equity.

Total Monthly Cost

Mortgage + taxes + insurance + HOA

Equity Growth

Track how your equity grows over time

Safe Equity Access

Options for projects or debt payoff

Run Your ScenarioTry Calculator

Free • No credit check • 2-minute estimate