Property Tax Appeals by State

Select your state to see appeal deadlines, filing requirements, and step-by-step instructions. Every state has a process for challenging your property tax assessment — most homeowners just don't know about it.

Alabama

Assessment: 10%

Window: March - June

appeal

Alaska

Assessment: 100%

Window: February - April

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Arizona

Assessment: 10%

Window: March - May

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Arkansas

Assessment: 20%

Deadline: Third Monday in August

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California

Assessment: 100%

Deadline: September 15 or November 30

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Colorado

Assessment: 6.7%

Deadline: June 1

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Connecticut

Assessment: 70%

Deadline: February 20

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Delaware

Assessment: 100%

Window: February - April

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District of Columbia

Assessment: 100%

Deadline: April 1

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Florida

Assessment: 100%

Window: August - September

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Georgia

Assessment: 40%

Window: April - June

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Hawaii

Assessment: 100%

Window: January - April

appeal

Idaho

Assessment: 100%

Deadline: Fourth Monday in June

appeal

Illinois

Assessment: 33.33%

Window: Year-round by township

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Indiana

Assessment: 100%

Deadline: June 15 or 45 days from notice

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Iowa

Assessment: 100%

Deadline: April 25 to May 5

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Kansas

Assessment: 11.5%

Window: March - April

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Kentucky

Assessment: 100%

Window: January - December

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Louisiana

Assessment: 10%

Deadline: August 1 to September 15

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Maine

Assessment: 100%

Window: March - June

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Maryland

Assessment: 100%

Window: January - March

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Massachusetts

Assessment: 100%

Deadline: February 1

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Michigan

Assessment: 50%

Deadline: March board of review meeting

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Minnesota

Assessment: 100%

Deadline: April 30

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Mississippi

Assessment: 10%

Window: April - August

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Missouri

Assessment: 19%

Window: June - July

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Montana

Assessment: 100%

Window: June - August

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Nebraska

Assessment: 100%

Deadline: June 30

appeal

Nevada

Assessment: 35%

Deadline: January 15

appeal

New Hampshire

Assessment: 100%

Deadline: March 1 following notice

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New Jersey

Assessment: 100%

Deadline: April 1 or October 1 in some

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New Mexico

Assessment: 33.33%

Window: April - May

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New York

Assessment: 100%

Window: March - June

grievance

North Carolina

Assessment: 100%

Window: April - June

appeal

North Dakota

Assessment: 50%

Deadline: April 1

appeal

Ohio

Assessment: 35%

Deadline: March 31

appeal

Oklahoma

Assessment: 11%

Window: April - June

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Oregon

Assessment: 100%

Deadline: December 31

appeal

Pennsylvania

Assessment: 100%

Deadline: August 1 most counties

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Rhode Island

Assessment: 100%

Deadline: December 31

appeal

South Carolina

Assessment: 4%

Window: Year-round (reassessment years)

appeal

South Dakota

Assessment: 85%

Deadline: Third Monday in March

appeal

Tennessee

Assessment: 25%

Deadline: June 15 reappraisal years

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Texas

Assessment: 100%

Deadline: May 15 or May 31 with extension

protest

Utah

Assessment: 55%

Deadline: September 15

appeal

Vermont

Assessment: 100%

Window: April - June

appeal

Virginia

Assessment: 100%

Window: Year-round by locality

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Washington

Assessment: 100%

Deadline: July 1 most counties

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West Virginia

Assessment: 60%

Deadline: February 1 to February 20

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Wisconsin

Assessment: 100%

Deadline: First Monday in May

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Wyoming

Assessment: 9.5%

Deadline: May 31

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