Free NYC Housing Calculators

Know your numbers
before you sign anything.

Five tools built for how NYC housing actually works — co-ops with board reserves, condos with closing-cost math, rentals with FARE Act rules, affordable housing with HPD's AMI framework, and a side-by-side comparison dashboard.

Choose your calculator
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NYC Co-op
Affordability

Reverse-engineer your maximum co-op purchase price, factoring in board-mandated post-close reserves and strict DTI limits most mortgage calculators ignore.

  • Board reserve requirements (12–24 months)
  • Co-op board DTI (typically 25–30%)
  • Flip tax & variable closing costs
  • Down-payment optimizer with chart
Open Co-op Calculator →
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NYC Condo
Affordability

Find your maximum condo purchase price with lender-style DTI, mansion tax cliff math, mortgage recording tax, and title insurance calculated precisely.

  • Lender back-end DTI (43% default)
  • Mansion tax tiers ($1M–$25M+)
  • Mortgage recording tax on loan amount
  • Separate common charges, taxes & insurance
Open Condo Calculator →
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NYC Rent
Affordability

Find your maximum affordable monthly rent accounting for NYC's 40× income rule, FARE Act broker fee protections, security deposit law, and move-in cash requirements.

  • 40× income multiplier screening
  • FARE Act broker fee rules (June 2025)
  • Security deposit cap (1 month)
  • Reserve buffer & move-in cash waterfall
Open Rent Calculator →
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NYC Affordable
Housing Finder

Find your AMI percentage, check Housing Connect eligibility across all income bands, and see HPD's affordable rent framework for every unit size.

  • AMI % from household size & income
  • Housing Connect band eligibility (30–130%)
  • HPD affordable rent table by unit size
  • Editable FY2024 AMI reference values
Open Affordable Finder →
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Compare
All Options

Use your saved profile to compare rent, co-op, and condo affordability side by side with cash required, monthly cost, DTI, reserves, and binding constraints.

  • Reads your saved browser profile
  • Rent vs co-op vs condo maxes
  • Cash, monthly cost, DTI & reserves
  • Links back into each calculator
Open Comparison →
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Fully Private
All calculations run in your browser. No data is ever sent to a server or stored anywhere but your own device.
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NYC-Specific Math
Each calculator models the rules that actually govern NYC housing — not generic national formulas.
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Sourced Assumptions
Every default value links to its source — Freddie Mac, NYC DOF, StreetEasy, and NYC DCWP — so you can verify the numbers.