Blog
Property Tax Appeal Guides
County deadlines, state rules, and straight answers — so you know exactly what to do before your protest window closes.
State guides
How to Appeal Your Property Taxes in Alabama (2026 Guide)
Alabama's Board of Equalization protest window, why owner-occupied homes are assessed at 10% of value, and how to build a winning case.
State GuideHow to Appeal Your Property Taxes in Arizona (2026 Guide)
Arizona's 60-day Notice of Value appeal window, how the 10% assessment ratio and Proposition 117's 5% cap work, and how to build a county case.
State GuideHow to Appeal Your Property Taxes in Arkansas (2026 Guide)
Arkansas's mid-August appeal deadline, how the 20%-of-market assessment ratio and Amendment 79 cap work, and how to build a county Equalization Board case.
State GuideHow to Appeal Your Property Taxes in California (2026 Guide)
California's September 15/November 30 appeal deadline, how Prop 13 and Prop 8 assessments work, and how to build a case with your county appeals board.
State GuideHow to Appeal Your Property Taxes in Colorado (2026 Guide)
Colorado's June 8 protest deadline, how the yearly-set residential assessment rate works, and why your appeal contests your home's actual value.
State GuideHow to Appeal Your Property Taxes in Connecticut (2026 Guide)
Connecticut's February 20 Board of Assessment Appeals deadline, why homes are assessed at 70% of market value, and how to build a winning case.
State GuideHow to Appeal Your Property Taxes in Delaware (2026 Guide)
Delaware's county appeal deadlines, how the 2023–25 reassessments reset every value to market, and how to build a base-year comparable-sales case.
State GuideHow to Appeal Your Property Taxes in Washington, DC (2026 Guide)
DC's April 1 property tax appeal deadline, how the 100%-of-market assessment and 10% homestead cap work, and why the Commission can raise your value.
State GuideHow to Appeal Your Property Taxes in Florida (2026 Guide)
Florida's TRIM-based appeal deadline (25 days after your notice), how just value and Save Our Homes work, and how to build a Value Adjustment Board case.
State GuideHow to Appeal Your Property Taxes in Georgia (2026 Guide)
Georgia's 45-day appeal deadline, the 40%-of-market assessment ratio, the HB 581 homestead cap, and why the board can't raise your value on appeal.
State GuideHow to Appeal Your Property Taxes in Hawaii (2026 Guide)
Hawaii's county-by-county appeal deadlines, why homes are assessed at 100% of market value, and how to build a winning comparable-sales case.
State GuideHow to Appeal Your Property Taxes in Illinois (2026 Guide)
Illinois's rolling Board of Review deadlines, how Cook's 10% and downstate's 33⅓% assessment levels work, and how to win on comps or uniformity.
State GuideHow to Appeal Your Property Taxes in Indiana (2026 Guide)
Indiana's June 15 assessment appeal deadline, why the 1%/2%/3% tax caps don't block your appeal, and how to build a Form 130 case that wins.
State GuideHow to Appeal Your Property Taxes in Iowa (2026 Guide)
Iowa's April 2–30 Board of Review protest window, why the 'rollback' isn't what you appeal, and how to build a winning comparable-sales case.
State GuideHow to Appeal Your Property Taxes in Kansas (2026 Guide)
Kansas's 30-day value-notice appeal window, why homes are assessed at 11.5% of market value, and how to build a winning comparable-sales case.
State GuideHow to Appeal Your Property Taxes in Louisiana (2026 Guide)
Louisiana's parish public-inspection appeal window, why homes are assessed at 10% of fair market value, and how to build a winning case.
State GuideHow to Appeal Your Property Taxes in Maine (2026 Guide)
Maine's 185-day abatement deadline, how your town's certified ratio changes what over-assessed means, and how to build a case your assessor can't wave off.
State GuideHow to Appeal Your Property Taxes in Maryland (2026 Guide)
Maryland's assessment appeal deadlines, how the 3-year phase-in and Homestead cap work, and how to build a full-cash-value case that wins.
State GuideHow to Appeal Your Property Taxes in Massachusetts (2026 Guide)
Massachusetts's February 1 abatement deadline, why your home is assessed at full and fair cash value, and how to build an abatement that wins.
State GuideHow to Appeal Your Property Taxes in Michigan (2026 Guide)
Michigan's March Board of Review and July 31 Tax Tribunal deadline, how the 50%-of-value assessment and Proposal A taxable-value cap work, and how to win.
State GuideHow to Appeal Your Property Taxes in Minnesota (2026 Guide)
Minnesota's April 30 Tax Court deadline, why your home is valued at estimated market value, and how to build a winning comparable-sales case.
State GuideHow to Appeal Your Property Taxes in Mississippi (2026 Guide)
Mississippi's first-Monday-of-August appeal deadline, how the 10%/15% class assessment ratios work, and how to build a Board of Supervisors case.
State GuideHow to Appeal Your Property Taxes in Missouri (2026 Guide)
Missouri's Board of Equalization deadline, why homes are assessed at 19% of true value, and how to build a winning comparable-sales case.
State GuideHow to Appeal Your Property Taxes in Montana (2026 Guide)
Montana's 30-day appeal window after your appraisal notice, why the class-four tax rate isn't an assessment ratio, and how the appeal board can raise you.
State GuideHow to Appeal Your Property Taxes in Nebraska (2026 Guide)
Nebraska's June 30 property tax protest deadline, how assessments work, and how to build a case with your county board of equalization.
State GuideHow to Appeal Your Property Taxes in Nevada (2026 Guide)
Nevada's January 15 appeal deadline, why 35% of taxable value isn't market value, and how comparable sales win a Board of Equalization case.
State GuideHow to Appeal Your Property Taxes in New Jersey (2026 Guide)
New Jersey's April 1 appeal deadline, how the Chapter 123 Director's Ratio decides if you're over-assessed, and why the county board can raise your value.
State GuideHow to Appeal Your Property Taxes in New Mexico (2026 Guide)
New Mexico's Notice of Value protest deadline, why you appeal your full market value, and how the 3% residential valuation cap works.
State GuideHow to Appeal Your Property Taxes in New York (2026 Guide)
New York's Grievance Day deadline, how local assessment ratios (not one statewide number) work, and how to build an RP-524 grievance that wins.
State GuideHow to Appeal Your Property Taxes in North Carolina (2026 Guide)
North Carolina's Board of Equalization and Review deadline, how frozen reappraisal-year values work, and how to build a comparable-sales case that wins.
State GuideHow to Appeal Your Property Taxes in North Dakota (2026 Guide)
North Dakota's appeal window runs April to June, and your deadline is a board meeting date, not a fixed one. How to read the three values on your notice.
State GuideHow to Appeal Your Property Taxes in Ohio (2026 Guide)
Ohio's March 31 Board of Revision deadline, how the 35%-of-true-value assessment actually works, and how to build a DTE Form 1 appeal that wins.
State GuideHow to Appeal Your Property Taxes in Oklahoma (2026 Guide)
Oklahoma's 30-day protest window, how the county assessment percentage and 3%/5% valuation cap work, and how to build a winning case.
State GuideHow to Appeal Your Property Taxes in Oregon (2026 Guide)
Oregon's December 31 appeals deadline, how Measure 50's Real Market Value and Maximum Assessed Value work, and when appealing actually cuts your bill.
State GuideHow to Appeal Your Property Taxes in Pennsylvania (2026 Guide)
Pennsylvania's Sept 1 appeal deadline, how base-year Common Level Ratios work by county, and why the board can raise you on your own appeal.
State GuideHow to Appeal Your Property Taxes in Rhode Island (2026 Guide)
Rhode Island's appeal clock runs off your tax bill, not a fixed spring date. The November 15 rule, the January 31 myth, and how to build a case.
State GuideHow to Appeal Your Property Taxes in South Carolina (2026 Guide)
South Carolina's 4% owner-occupied assessment ratio, the 15%-per-5-years reassessment cap, and the 90-day window to appeal to your Board of Assessment Appeals.
State GuideHow to Appeal Your Property Taxes in South Dakota (2026 Guide)
South Dakota's appeal deadline is March 11, 2027 — the Thursday before the third Monday in March. Deadlines, evidence, and the new 3% county limit.
State GuideHow to Appeal Your Property Taxes in Tennessee (2026 Guide)
Tennessee's Board of Equalization deadline, why you appeal your full appraised value (not the 25% figure), and how to build a winning case.
State GuideHow to Appeal Your Property Taxes in Texas (2026 Guide)
Texas's May 15 protest deadline, how the 100% market-value assessment and 10% homestead cap work, and how to win an equal-and-uniform ARB case.
State GuideHow to Appeal Your Property Taxes in Utah (2026 Guide)
Utah's September 15 appeal deadline, how the 100%-market assessment and 45% residential exemption work, and how to build a County BOE case.
State GuideHow to Appeal Your Property Taxes in Virginia (2026 Guide)
Virginia's locality-set appeal deadlines, why your home is assessed at 100% of fair market value, and how to build a comparable-sales case that wins.
State GuideHow to Appeal Your Property Taxes in Washington (2026 Guide)
Washington's rolling Board of Equalization deadline, why your home is assessed at 100% of true and fair value, and how to build a winning appeal.
State GuideHow to Appeal Your Property Taxes in West Virginia (2026 Guide)
West Virginia's short Board of Equalization & Review window, why you appeal your full appraised value (not the 60% figure), and how to win.
State GuideHow to Appeal Your Property Taxes in Wisconsin (2026 Guide)
Wisconsin's Board of Review window, how your municipality's level of assessment works, and how to build a winning comparable-sales case.
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