Selling
Selling a home in Nassau County: value, costs, disclosure and taxes
What a seller in Nassau County owes, files and discloses, and how to read the public numbers on what a house is worth before anyone quotes you one.
4 pages in this section
Nassau County Home Values: Census Medians, Assessed Value vs Market Value, Price Indexes
What a Nassau County home is worth by the numbers: the Census median value, how market value differs from assessed value, and what the FHFA index measures.
Nassau County Property Tax Grievance: Deadline, Where to File and What Happens Next
How a Nassau County tax grievance works: the Assessment Review Commission, the 2026 window, online filing through AROW, what to include and when decisions come.
New York Property Condition Disclosure Statement: Who Files It, When and What It Covers
How New York's property condition disclosure statement works for sellers and buyers: who delivers it, when, exemptions, flood questions and the 2025 form.
Selling a Nassau County House: Transfer Tax, Mansion Tax, Recording Fees, Gain
Taxes and county fees on selling a Nassau County home: NY transfer tax, the mansion tax, Clerk recording fees (Rev. 7/2020) and the IRS gain exclusion.