New York Porch

Money & taxes ยท Closing

The closing-cost line items that sneak up in New York.

New York closing math is a little fussy. There is the state transfer tax, sometimes the mansion or supplemental mansion tax, and in New York City the RPTT. The buyer and seller can negotiate some costs, but the taxes themselves are very real.

Estimator

Transfer and mansion tax estimate

New York closing costs depend on the contract, the county, and whether the property is in New York City. This shows the big transfer-tax pieces so nobody gets surprised late in the deal.

State/base transfer tax

$3,400

NYC RPTT

$0

Buyer mansion/supplemental

$0

Usually seller-side: $3,400 in state and city transfer taxes. The NYC additional base tax is included only when the NYC box is checked. Contracts can shift costs, so check the deal sheet.
Usually buyer-side: $0 for mansion or NYC supplemental mansion tax if the price, place, and property type trigger it.

Not included: mortgage recording tax, title charges, lender charges, attorney fees, co-op flip taxes, and local adjustments. Use full consideration, usually the contract price, rather than the down payment. For NYC residential deals at $2 million and up, the buyer-side number includes the state supplemental mansion-tax tiers. Use this as a conversation starter with your attorney or lender.

State transfer tax

New York's basic real estate transfer tax is usually a seller-side cost. The extra state base tax in this tool applies only to qualifying New York City transfers.

Mansion and supplemental tax

For residential property at $1 million or more, the buyer usually has mansion tax. NYC residential deals at $2 million and up can add supplemental tiers.

NYC RPTT

New York City adds its own real property transfer tax. That can matter even when the state tax looks small.

Mortgage recording tax

A financed purchase can also have mortgage recording tax. It varies enough that your lender or attorney should price it directly.

Planning note

Do not wait for the final closing disclosure to learn these names. Ask your attorney or lender for a line-item estimate early, especially if the home is near $1 million, inside New York City, or both.

Also ask whether the contract shifts any seller-side tax to the buyer. That is not the everyday pattern, but it can happen, and it changes the cash you need at closing.

Official sources

Reviewed July 2026. Transfer-tax, mansion-tax, and NYC RPTT rules can change; confirm the current deal math with the official form and your attorney or lender.

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