| State | Assessment Date | Return Due Date | Appeal Date |
|---|---|---|---|
| Alabama | Oct 1 | Dec 31 | 30 days from notice |
| Alaska | Jan 1 | Jan 15/April 20 | 30 days from notice |
| Arizona | Jan 1 | April 1 | 60 days from notice |
| Arkansas | Jan 1 | May 31 | By 3rd Monday in Aug |
| California | Jan 1 | April 1 | Between July 2 – Sept 15 or Nov 30 |
| Colorado | Jan 1 | April 15 | June 30 |
| Connecticut | Oct 1 | Nov 1 | Feb 20 |
| Washington DC | Jul 1 | July 31 | N/A |
| Delaware | Exempt | N/A | N/A |
| Florida | Jan 1 | April 1 | 25 days from notice |
| Georgia | Jan 1 | April 1 | 45 days from notice |
| Hawaii | Exempt | N/A | N/A |
| Idaho | Jan 1 | March 15 | 4th Monday in June |
| Illinois | Exempt | N/A | N/A |
| Indiana | Jan 1 | May 15 | 45 days from notice |
| Iowa | Exempt | N/A | N/A |
| Kansas | Jan 1 | March 15 | May 15 |
| Kentucky | Jan 1 | May 15 | 3rd Monday in May |
| Louisiana | Jan 1 | April 1 | 10 days board decision |
| Maine | Apr 1 | Varies | 60 days from notice |
| Maryland | Jan 1 | April 15 | 45 days from notice |
| Massachusetts | Jan 1 | March 1 | Varies by Jurisdiction (Oct-Jan) |
| Michigan | Dec 31 | Feb 20 | Varies by Jurisdiction (March) |
| Minnesota | Exempt | N/A | N/A |
| Mississippi | Jan 1 / Mar 1 | April 1 | 1st Monday in Aug or 10 days/notice |
| Missouri | Jan 1 | March 1 (St. L. April 1) | 3rd Monday in June / 30 days notice |
| Montana | Jan 1 | March 1 | 1st Monday in June / 30 days notice |
| Nebraska | Jan 1 | May 1 | June 30 / 15 days notice |
| Nevada | July 1 | July 31 | Jan 15 cnty board; Mar 10 state board |
| New Hampshire | Exempt | N/A | N/A |
| New Jersey | Exempt | N/A | N/A |
| New Mexico | Jan 1 | Feb 28 / Last day of Feb | April 1 / 30 days notice |
| New York | Exempt | N/A | N/A |
| North Carolina | Jan 1 | Jan 31 | 30 days from notice |
| North Dakota | Exempt | N/A | N/A |
| Ohio | Exempt | N/A | N/A |
| Oklahoma | Jan 1 | March 15 | 30 days from notice |
| Oregon | Jan 1 | March 15 | Dec 31 |
| Pennsylvania | Exempt | N/A | N/A |
| Rhode Island | Dec 31 | Jan 31 | Within 90 days of the first tax payment due |
| South Carolina | Dec 31 or fiscal close date | April 30 or 4th month after fiscal close | 90 days from notice |
| South Dakota | Exempt | N/A | N/A |
| Tennessee | Jan 1 | March 1 | 30 days from notice |
| Texas | Jan 1 | April 15 | June 1 or 30 days notice |
| Utah | Jan 1 | May 15 / except SLC | May 15 or 60 days notice |
| Vermont | Apr 1 | April 20 | On or before the day of the grievance meeting (latest May 20) |
| Virginia | Jan 1 | Varies by Jurisdiction | 30 days/notice |
| Washington | Jan 1 | April 30 | July 1 / 30 days of notice |
| West Virginia | July 1 | Aug 1 / Industrial; Sept 1 / Commercial | Applications must be made before annual Feb 1 meeting |
| Wisconsin | Jan 1 | March 1 | Apr–Oct, Depending on Location |
| Wyoming | Jan 1 | March 1 | 30 days/notice |
