LIHTC Income & Rent Calculator
Look up MTSP income limits by county and calculate maximum allowable LIHTC rents instantly. Powered by live HUD data.
Live HUD Data
Income limits pulled directly from HUD’s MTSP API — the same authoritative source used by state HFAs.
Instant Rent Calc
Select your county, AMI tier, and bedroom size to get maximum allowable rent calculated client-side in real time.
Section 42 Accurate
Imputed household size, 30% rent formula, and utility allowance deductions per IRC Section 42.
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AMI Set-Aside Tier
Select the AMI percentage for the unit's set-aside designation
60% AMI is the most common LIHTC set-aside
Disclaimer: This calculator uses income limits from HUD’s Multifamily Tax Subsidy Project (MTSP) data. Rent calculations follow the IRC Section 42 formula (30% of imputed household income ÷ 12). Utility allowances are user-provided and vary by locality. Always verify limits against your state Housing Finance Agency’s published tables and your property’s regulatory agreement. This tool is for informational purposes only and does not constitute tax or legal advice.