DeKalb County Property Tax Calculator
Accurate property tax estimates for DeKalb County including 13 incorporated cities and unincorporated areas.
Property Tax Calculator
Alabama Class III Residential
Reduces assessed value by $6,000
Total Millage Rate: 29.5 mills
State: 6.5 | County: 10.5 | School: 12.5
DeKalb County Tax Rates
State Mills
6.5
County Mills
10.5
School Mills
12.5
Unincorporated Total
29.5
Cities in DeKalb County
| City | City Mills | Total Mills |
|---|---|---|
| Collinsville | 5 | 34.5 |
| Crossville | 5 | 34.5 |
| Fort Payne | 8 | 37.5 |
| Fyffe | 4 | 33.5 |
| Geraldine | 4 | 33.5 |
| Hammondville | 3 | 32.5 |
| Henagar | 5 | 34.5 |
| Ider | 3.5 | 33 |
| Mentone | 4 | 33.5 |
| Powell | 3 | 32.5 |
| Rainsville | 6 | 35.5 |
| Sylvania | 5 | 34.5 |
| Valley Head | 4 | 33.5 |
| Unincorporated Areas | — | 29.5 |
Calculating What You Will Owe in DeKalb County
Understanding DeKalb County begins with its 29.5-mill baseline, the reference rate against which each incorporated city adds its own educational and municipal levies. The breakdown behind that baseline is 6.5 state mills, 10.5 county mills, and 12.5 school mills.
Because DeKalb County residences fall under Alabama's Class III designation, the state caps the assessment ratio at 10% of fair market value, a protective ceiling that keeps taxable value far below the sale price for local families.
Owner-occupants across DeKalb County should file for the homestead exemption promptly; the $6,000 assessed-value reduction directly lowers the mills owed and compounds in value year over year.
Within DeKalb County, incorporated areas such as Collinsville, Henagar, and Valley Head layer city-specific millage over the 29.5-mill county floor, which is why the calculator above isolates each jurisdiction so you can compare precisely.
Rates shift and district lines are occasionally redrawn, so always verify your specific DeKalb County figures with the county assessor's office before relying on them for a closing.