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6 free calculators

Free NYC Property Calculators

Free interactive calculators for NYC property tax, transfer and mansion tax, mortgage recording tax, FAR, and permit costs — each with a plain-English explanation of the math.

Free Calculator
NYC Property Tax Calculator
Complete guide to NYC property tax calculations: tax classes, assessment ratios, rates, exemptions, and how to estimate your bill.
Free Calculator
NYC FAR & Buildable Area Calculator
Guide to calculating Floor Area Ratio (FAR) in NYC with real-world examples, zoning district tables, and development potential analysis.
Free Calculator
NYC Transfer Tax Calculator
Complete guide to NYC and New York State transfer taxes on real estate sales: rates, exemptions, and how to calculate your liability.
Free Calculator
NYC Mansion Tax Calculator
Complete guide to the NYC Mansion Tax: graduated rates, exemptions, and how to calculate the tax on residential purchases over $1 million.
Free Calculator
NYC Mortgage Recording Tax Calculator
Complete guide to NYC mortgage recording tax: rates, CEMA savings, co-op exemptions, and calculation examples.
Free Calculator
NYC Building Permit Cost Estimator
Guide to estimating total costs for NYC building permits including DOB fees, professional fees, and related expenses.

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Get the data you need.

RegWatch provides real property data for your calculations: assessed values, tax classes, zoning, FAR, and more.

Free NYC Property Calculators | RegWatch