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Historic Rehab Credit Calculator

Historic rehab tax credit provides 20% subsidy for certified rehabs.

Qualified rehab expenditures

Soft cost % of QRE

State HTC %

Syndication yield $/credit

Total credit value (syndicated)

$4,860,000

Federal 20% credit

$2,400,000

State credit

$3,000,000

How the math works

Federal credit = QRE × 20%. State = QRE × state %. Syndicated value = (federal + state) × yield.

$12M × 20% = $2.4M federal + $12M × 25% = $3M state = $5.4M credit × $0.90 = $4.86M syndicated value.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Historic Rehab Credit Calculator is built to give a quick, browser-based estimate for historic rehab credit. Historic rehab tax credit provides 20% subsidy for certified rehabs. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the historic rehab credit result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this historic rehab credit estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter qualified rehab expenditures.
Enter soft cost %.
Enter state HTC % (if any).
Enter syndication yield $/credit.
Read federal + state credit value.

Frequently Asked Questions

What is the HTC?

Historic Tax Credit: 20% federal income tax credit for qualified rehabilitation expenditures on certified historic structures. Structure must be listed on National Register of Historic Places. Rehab must be 'substantial' (at least greater of adjusted basis or $5,000) and meet Secretary of Interior's Standards. Pre-2018: taken in year placed in service. Post-2018: spread over 5 years.

Qualified rehab expenditures?

QREs include: construction labor, materials, architectural/engineering, developer fees (reasonable). Excludes: acquisition, new construction (non-historic), personal property, parking lots, bike racks, furniture. Typical QRE = 60-85% of total project cost for historic rehabs. Higher in rehabs of commercial/industrial; lower in mixed-use with new construction.

State HTC stacking?

35+ states have their own HTC programs (10-30% credit). Stacks with federal 20%. Combined federal + state: 30-50% total credit on QREs. Examples: Missouri 25%, Wisconsin 20%, Ohio 25%, Georgia 25%, Alabama 25%. Some states cap project-level credit. Check specific state rules. Combined HTC: can cover 40-60% of rehab cost on major projects.

Economics?

Federal HTC sells at $0.85-1.00/credit dollar through syndication. State HTC: $0.50-0.85/credit dollar (less liquid). Combined syndication raises 25-45% of project cost via tax credit equity. Makes historic rehabs pencil that wouldn't otherwise. Complex deal structure — specialized counsel essential. HTC syndicators: Chevron, US Bank, Capital One, National Trust Community Investment.