Property Tax Appeals by State
Select your state for statutory assessment ratios, key deadlines, local terminology, and step-by-step filing instructions.
Alabama
ALAssessment Ratio: 10%
Window: May - July
Term: Appeal
Alaska
AKAssessment Ratio: 100%
Window: January - April
Term: Appeal
Arizona
AZAssessment Ratio: 100%
Window: February - April
Term: Appeal
Arkansas
ARAssessment Ratio: 20%
Window: July - August
Term: Appeal
California
CAAssessment Ratio: 100%
Window: July - November
Term: Appeal
Colorado
COAssessment Ratio: 7%
Window: May - June
Term: Appeal
Connecticut
CTAssessment Ratio: 70%
Window: February - March
Term: Appeal
Delaware
DEAssessment Ratio: 100%
Window: March - May
Term: Appeal
Florida
FLAssessment Ratio: 100%
Window: August - September
Term: Petition
Georgia
GAAssessment Ratio: 40%
Window: April - June
Term: Appeal
Hawaii
HIAssessment Ratio: 100%
Window: December - January
Term: Appeal
Idaho
IDAssessment Ratio: 100%
Window: May - June
Term: Appeal
Illinois
ILAssessment Ratio: 33%
Window: Varies by township
Term: Appeal
Indiana
INAssessment Ratio: 100%
Window: April - June
Term: Appeal
Iowa
IAAssessment Ratio: 100%
Window: April - May
Term: Protest
Kansas
KSAssessment Ratio: 12%
Window: March - April
Term: Appeal
Kentucky
KYAssessment Ratio: 100%
Window: May
Term: Appeal
Louisiana
LAAssessment Ratio: 10%
Window: August - September
Term: Appeal
Maine
MEAssessment Ratio: 100%
Window: Varies by municipality
Term: Appeal
Maryland
MDAssessment Ratio: 100%
Window: January - February
Term: Appeal
Massachusetts
MAAssessment Ratio: 100%
Window: January - February
Term: Appeal
Michigan
MIAssessment Ratio: 50%
Window: February - March
Term: Appeal
Minnesota
MNAssessment Ratio: 100%
Window: April - May
Term: Appeal
Mississippi
MSAssessment Ratio: 10%
Window: July - August
Term: Appeal
Missouri
MOAssessment Ratio: 19%
Window: May - July
Term: Appeal
Montana
MTAssessment Ratio: 100%
Window: Varies (reappraisal cycle)
Term: Appeal
Nebraska
NEAssessment Ratio: 100%
Window: June
Term: Protest
Nevada
NVAssessment Ratio: 35%
Window: December - January
Term: Appeal
New Hampshire
NHAssessment Ratio: 100%
Window: December - March
Term: Appeal
New Jersey
NJAssessment Ratio: 100%
Window: February - April
Term: Appeal
New Mexico
NMAssessment Ratio: 33%
Window: April - May
Term: Protest
New York
NYAssessment Ratio: 100%
Window: May - June
Term: Grievance
North Carolina
NCAssessment Ratio: 100%
Window: January - April
Term: Appeal
North Dakota
NDAssessment Ratio: 5%
Window: April - June
Term: Appeal
Ohio
OHAssessment Ratio: 35%
Window: January - March
Term: Appeal
Oklahoma
OKAssessment Ratio: 11%
Window: March - April
Term: Protest
Oregon
ORAssessment Ratio: 100%
Window: October - December
Term: Appeal
Pennsylvania
PAAssessment Ratio: 100%
Window: July - September
Term: Appeal
Rhode Island
RIAssessment Ratio: 100%
Window: Varies by municipality
Term: Appeal
South Carolina
SCAssessment Ratio: 4%
Window: Varies (reassessment years)
Term: Appeal
South Dakota
SDAssessment Ratio: 85%
Window: March - April
Term: Appeal
Tennessee
TNAssessment Ratio: 25%
Window: May - June
Term: Appeal
Texas
TXAssessment Ratio: 100%
Window: April - May
Term: Protest
Utah
UTAssessment Ratio: 55%
Window: August - September
Term: Appeal
Vermont
VTAssessment Ratio: 100%
Window: May - June
Term: Grievance
Virginia
VAAssessment Ratio: 100%
Window: Varies by locality
Term: Appeal
Washington
WAAssessment Ratio: 100%
Window: May - July
Term: Appeal
West Virginia
WVAssessment Ratio: 60%
Window: January - February
Term: Appeal
Wisconsin
WIAssessment Ratio: 100%
Window: April - June
Term: Appeal
Wyoming
WYAssessment Ratio: 10%
Window: April - May
Term: Appeal
District of Columbia
DCAssessment Ratio: 100%
Window: March - April
Term: Appeal
See the full 50-state appeal-law comparison — assessment ratios, deadlines, and statutes side by side.
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