Alabama · Historic Rehabilitation Tax Credit
Historic Rehabilitation Tax Credit in Alabama (2026)
Claim a 20% tax credit on qualified rehabilitation expenses for certified historic structures, taken ratably over 5 years. Alabama has a progressive income tax with a top rate of 5%, so a Alabama filer's combined marginal rate on the next dollar at $56,950 of income is about 17% (12% federal + 5% AL).
2026 savings example for Alabama
Planning estimate for a single filer earning $56,950 (Alabama median household income in LevyIO's state dataset) who claims a $5,000 credit. Federal tax uses the 2026 IRS brackets after the $16,100 standard deduction; AL tax uses the state brackets in LevyIO's dataset and assumes the state follows the federal treatment.
Estimated total savings
$4,654
Federal savings
$4,654
$4,654 → $0 · 12% bracket
AL state savings
$0
Federal credit only; check for a state credit
Combined marginal rate
17%
Credits do not depend on the bracket
Federal × Alabama marginal rates (2026, single)
Gross-income ranges include the federal standard deduction. The AL column is the state marginal rate at the midpoint of each range. A credit saves its face value regardless of bracket.
| Federal bracket | Gross income (single) | AL marginal | Combined | Per $1,000 |
|---|---|---|---|---|
| 10% | $16,100 - $28,500 | 5% | 15% | $1,000 |
| 12% | $28,500 - $66,500 | 5% | 17% | $1,000 |
| 22% | $66,500 - $121,800 | 5% | 27% | $1,000 |
| 24% | $121,800 - $217,875 | 5% | 29% | $1,000 |
| 32% | $217,875 - $272,325 | 5% | 37% | $1,000 |
| 35% | $272,325 - $656,700 | 5% | 40% | $1,000 |
| 37% | Over $656,700 | 5% | 42% | $1,000 |
Eligibility & forms
Owners of certified historic structures who undertake substantial rehabilitation
- 20% credit for certified historic structures
- Must be a substantial rehabilitation (exceed adjusted basis)
- Must follow Secretary of Interior's Standards
Federal forms: Form 3468, NPS Form 10-168
Alabama filing notes
Take advantage of Alabama's federal income tax deduction. If you itemize federally, consider itemizing on your Alabama return. Be aware that some cities levy additional occupational taxes. The state standard deduction is $2,500 (single) or $7,500 (married).
Common mistakes: Not getting Part 1 certification before starting work; Failing to meet the substantial rehabilitation test; Not spreading credit over 5 years as required.
Frequently asked questions
How much can the Historic Rehabilitation Tax Credit save a Alabama taxpayer in 2026?
Credits reduce tax dollar-for-dollar. In LevyIO's example, a single filer with $56,950 of income (the Alabama median household income in our state dataset) and a $5,000 credit would cut 2026 federal tax from $4,654 to $0, a $4,654 saving. Whether Alabama offers a matching state credit depends on the AL return, so the estimate counts federal savings only.
What is the Alabama income tax rate for 2026?
Alabama has a progressive income tax with a top rate of 5%. The AL standard deduction in LevyIO's dataset is $2,500 single / $7,500 married. One of 3 states allowing deduction for federal income taxes paid. Lowest property taxes.
Who qualifies for the Historic Rehabilitation Tax Credit in Alabama?
Owners of certified historic structures who undertake substantial rehabilitation. The federal rules are the same in every state; the requirements are: 20% credit for certified historic structures; Must be a substantial rehabilitation (exceed adjusted basis); Must follow Secretary of Interior's Standards. Alabama filers should confirm on the AL return whether the state follows the federal treatment.
Which forms do I file to claim the Historic Rehabilitation Tax Credit?
Federal: Form 3468, NPS Form 10-168. Alabama: check the Alabama Department of Revenue instructions for the matching state schedule. Common mistakes: Not getting Part 1 certification before starting work; Failing to meet the substantial rehabilitation test; Not spreading credit over 5 years as required.
Historic Rehabilitation Tax Credit in other states
Sources
Reviewed 2026-09-17. Estimates are educational planning figures computed from the IRS 2026 inflation adjustments and LevyIO's state bracket dataset; they are not tax advice.