Free Resources | NYC Real Estate Calculators & Tools | Joseph Ranola
Every free calculator, estimator, and planning tool I’ve built for Staten Island and Brooklyn homeowners — all in one place. Whether you’re selling, buying, refinancing, contesting your property tax, or thinking about a downsize or house-hack, there’s a tool here for you. No email required, no sign-up wall.
Selling Tools
Seller Net Proceeds Calculator
Find out exactly what you’ll walk away with after commission, NYC and NYS transfer taxes, attorney fees, and mortgage payoff.
Capital Gains / Section 121 Calculator
Estimate your federal capital gains tax on a home sale, including the $250K / $500K Section 121 primary-residence exclusion.
Downsizing Equity Calculator
How much equity will you free up if you downsize to a smaller home? Run the numbers before listing.
Buying Tools
NYC Mansion Tax Calculator
The full tiered mansion tax schedule for buyers above $1M, $2M, $3M, $5M, $10M, $15M, $20M, and $25M.
NYC Closing Cost Calculator
Buyer-side closing costs in NYC: mortgage recording tax, title insurance, attorney, mansion tax, and more.
Home Affordability Calculator
How much home can you actually buy in NYC? Includes property tax, HOA, and PMI in the affordability math.
Mortgage Calculator
Monthly payment estimator with principal, interest, taxes, insurance, and PMI for any NYC purchase.
Co-op Affordability Calculator
Co-op math is different. This calculator factors maintenance, debt-to-income, and post-closing liquidity.
First-Time Buyer Grant Calculator
Estimate your eligibility and award size for NYC and NYS down-payment assistance grants.
Rent vs. Buy Calculator
The break-even analysis for whether buying makes more sense than renting in your specific NYC scenario.
Property Tax & Exemption Tools
Property Tax Grievance Savings Estimator
Could you win a tax grievance? Estimate the multi-year savings if your assessment is reduced.
STAR / Senior STAR / Veterans Exemption Calculator
Estimate your annual savings from Basic STAR, Enhanced STAR (65+), and the NYC Alternative Veterans Exemption.
NYC Property Tax Estimator
Quick estimator for your annual NYC property tax bill by class and assessed value.
Investor & House-Hack Tools
2-4 Family House Hack Calculator
Live in one unit, rent the others. Calculate effective monthly cost, rental coverage, and DSCR.
Investment Property ROI Calculator
Cap rate, cash-on-cash return, and total annualized ROI for any NYC rental property.
ADU Income Calculator
How much rental income can you generate from a NYC accessory dwelling unit (basement or garage conversion)?
Want to Talk Through Your Numbers?
Calculators are a great starting point. A 20-minute call with Joseph turns those estimates into a real strategy for your Staten Island or Brooklyn home.