Property Tax Guide by State

Deadline: 30 days from the written notice of valuation

Deadline: 30 days from the date your assessment notice was MAILED — appeal to the assessor

Deadline: 60 days after the notice of value to the assessor — filed in the VALUATION year, one year ahead of the tax year

Deadline: Third Monday in August — August 17, 2026 to apply to the County Board of Equalization

Deadline: July 2 – November 30

Deadline: June 8 for the 2026 protest season

Deadline: February 20 — or March 20 in any town whose assessor took a grand-list extension

Deadline: Set per county — New Castle: March 14; Kent: last working day in January

Deadline: April 1 — first-level petition to the Office of Tax and Revenue

Deadline: 25 days from TRIM notice

Deadline: 45 days from assessment notice

Deadline: Varies by county — Honolulu: January 15; Maui & Hawaii County: April 9; Kauai: December 1–31 of the PRECEDING year

Deadline: 4th Monday in June — Monday June 22, 2026, by close of county business hours

Deadline: 30 days from PUBLICATION of the assessment list outside Cook County; per-township dates in Cook

Deadline: June 15 — of the assessment year if Form 11 was mailed before May 1, otherwise of the year taxes are payable

Deadline: April 2 – April 30, 2026

Deadline: 30 days from the mailing of your notice

Deadline: One workday AFTER the open inspection period closes — May 19, 2026 on the standard calendar

Deadline: During the 15-day open-rolls window

Deadline: 185 days from commitment for the assessor abatement; then 60 days from denial to the Board of Assessment Review

Deadline: 45 days from your notice; 60 days for new owners; or a Petition for Review by January 1 in an off-cycle year

Deadline: Due date of the first installment of your ACTUAL tax bill — February 1 only in quarterly-billing municipalities

Deadline: March Board of Review

Deadline: Local Board of Appeal and Equalization

Deadline: First Monday in August — August 3, 2026

Deadline: Second Monday in July — July 13, 2026

Deadline: 30 days from the date on your notice; in an intervening year with no new notice the deadline is June 1

Deadline: June 1 – June 30, 2026 — filed with the county CLERK on Form 422

Deadline: January 15 for the FOLLOWING fiscal year — Thursday January 15, 2026

Deadline: March 1 following the FINAL tax bill

Deadline: April 1

Deadline: The later of April 1 or 30 days after the Notice of Value was mailed — petition filed with the county ASSESSOR

Deadline: Grievance Day

Deadline: Before the County Board of Equalization and Review adjourns — a county-specific date, not a 30-day clock

Deadline: Local board in April

Deadline: March 31

Deadline: 30 days from notice to the county ASSESSOR

Deadline: December 31

Deadline: September 1

Deadline: On or before November 15 — and not less than 90 days after the first tax payment is due

Deadline: 90 days from the date the assessor mailed your notice — and in a NO-NOTICE year you may appeal in writing at any time

Deadline: March 12, 2026 — written appeal to the LOCAL board of equalization

Deadline: County board convenes June 1 and sets its own filing deadline — confirm with your assessor

Deadline: May 15

Deadline: The LATER of September 15 or 45 days from your valuation notice

Deadline: 14 days from the grievance result to the Board of Civil Authority; then 30 days from the BCA decision to the State Appraiser

Deadline: Set by your locality for the Board of Equalization — there is no statewide BOE deadline; circuit court is the later of 3 years from the last day of the tax year or 1 year from the assessment

Deadline: July 1, or 30 days after the notice of value was mailed — whichever is later

Deadline: February 20, 2026 — written protest; hard outer deadline March 31, 2026 to the Office of Tax Appeals

Deadline: Notice of intent at least 48 hours before the Board of Review's first meeting, plus Form PA-115A within its first two hours

Deadline: Within 30 days of the assessment schedule date or postmark — filed with the county ASSESSOR, not the board