Rate Breakdown

Property taxes in Unorganized Borough County are calculated by multiplying the assessed value (minus exemptions) by the total local millage rate.

Welcome to the Unorganized Borough County property tax estimator. Below you’ll find a clear, step‑by‑step overview of how property taxes are calculated, what exemptions may apply, when payments are due, and how to contest an assessment if needed. Use this information along with our calculator to estimate your annual liability with confidence.

How Property Tax Works in Unorganized Borough County

Unlike incorporated boroughs, the Unorganized Borough does not levy its own property taxes. Instead, the State of Alaska and the nearest organized borough or census area assess and collect taxes on behalf of the state. The process follows two main stages:

• Assessment: The Alaska Department of Revenue’s Division of Property Taxation appraises each parcel using the “real property value” method, which considers market sales, cost‑to‑replace, and income‑generation factors. Assessments are updated annually on January 1 and reflected on the property tax bill issued in August.
• Millage Rates: The combined millage rate (tax per $1,000 of assessed value) for the Unorganized Borough is determined by the state and any overlapping organized boroughs. As of the 2024 fiscal year, the typical combined rate ranges from 8.5 to 10.2 mills, but rates can vary depending on school districts, fire protection, and special service districts that serve the property.

To estimate your tax, multiply the assessed value by the applicable millage rate and divide by 1,000 (e.g., $150,000 × 9.0 mills ÷ 1,000 = $1,350).

Available Exemptions

Alaska offers several exemptions that can lower the taxable portion of your assessment. Eligibility is determined at the state level, but the exemption must be claimed through the Alaska Department of Revenue.

• Homestead Exemption: Reduces the assessed value of an owner‑occupied residence by up to $150,000 (adjusted for inflation). The exemption applies to the primary dwelling only.
• Senior Citizen Exemption: Residents aged 65 or older may qualify for an additional exemption of up to $30,000, provided they meet income thresholds (generally $45,000 household income or less).
• Disability Exemption: Persons with a qualifying disability can receive a $30,000 exemption similar to the senior exemption, with comparable income limits.
• Veteran Exemption: Honorably discharged veterans and surviving spouses may claim a $30,000 exemption. Additional benefits apply to disabled veterans, who may receive the full homestead exemption plus the disability exemption.

Exemptions are applied before the millage rate is calculated, so they directly reduce the amount of tax you owe.

Payment Schedule & Deadlines

Property tax bills are mailed in August and are due the following year. Alaska allows two standard payment options:

• Full Payment: Pay the entire amount by January 15 to avoid any interest or penalties.
• Installment Plan: Pay 50 % by January 15 and the remaining 50 % by July 15. Both installments must be received on time to avoid a 1 % monthly late charge on the overdue portion.

Late payments after July 15 incur a 3 % penalty plus interest calculated at the state’s prevailing rate. If taxes remain unpaid after December 31, the property may be placed under a tax lien, potentially leading to foreclosure.

Appealing Your Assessment

If you believe your property has been over‑assessed, you have the right to appeal:

• File a Notice of Appeal: Submit the completed “Notice of Appeal” form to the Alaska Department of Revenue Office of the Commissioner of Revenue within 30 days of the bill mailing date.
• Gather Evidence: Provide recent comparable sales, independent appraisals, or photos showing condition differences. All supporting documents must accompany your appeal.
• Hearing Process: An administrative hearing will be scheduled, typically within 60 days of filing. You may represent yourself or retain an attorney.
• Decision & Further Review: The hearing officer issues a written decision. If unsatisfied, you can request a review by the Alaska Property Tax Board within 30 days of the decision.

Timely appeals can result in a reduced assessed value and lower tax liability, so act promptly if you have concerns.