Nassau County Deed Records Search
Nassau County deed records cover one of the most densely populated suburban counties in the United States. The County Clerk's Office at 240 Old Country Road in Mineola handles the recording and indexing of all deeds, mortgages, and land-related documents. With multiple online search tools and an active office that processes hundreds of millions in transactions each year, Nassau County provides solid access to property records for homeowners, attorneys, and title professionals.
Nassau County Quick Facts
Nassau County Clerk's Office
The Nassau County Clerk's Office records all documents relating to real property in the county. The office maintains the official index of real property ownership for Nassau County. Staff process a large volume of transactions every year, including deeds, mortgages, satisfactions, assignments, and various other land documents.
The office is at 240 Old Country Road in Mineola. Hours are Monday through Friday from 9:15 AM to 4:00 PM. Requests can only be processed up to 30 minutes before closing, so plan to arrive by 3:30 PM if you need service. Walk-in visits are welcome for searches, recordings, and certified copy requests.
Getting certified copies is straightforward. You can come to the office and do a search yourself, or you can mail in a request. You will need your property's section, block, and lot numbers. The fee for a certified copy is $10.
Searching Nassau County Deed Records Online
Nassau County provides online access through the Nassau County Land Records Viewer. This tool gives you access to land record information maintained by the Department of Assessment. You can search by property address or by section, block, and lot number. Results show tax maps, current and historic tax rates, past tax payments, assessment roll data, property photos, tax exemptions, and comparable home sales.
The MyNassauProperty lookup is another tool for researching property in the county. Use it to find your fire district, school district, police precinct, road officials, and elected representatives. Enter your SBL information or property address to pull up assessment and tax details. This site complements the Land Records Viewer by adding municipal service information.
The state's Municipal Data Portal also covers Nassau County. Sales Web shows 10 years of property transfers pulled from RP-5217 filings. You can filter by town, date range, or property type.
Recording a Deed in Nassau County
To record a deed in Nassau County, submit the original document with all required forms and fees to the Clerk's Office at 240 Old Country Road. The deed must comply with New York Real Property Law. That means it must be in writing, signed by the grantor, and properly acknowledged before a notary public. The legal description, tax map number, and full names and addresses of all parties are required.
Form RP-5217 is mandatory for all property transfers. This barcoded form must be completed using Adobe Acrobat. Handwritten versions will be turned away. The TP-584 transfer tax affidavit also needs to accompany the deed.
Nassau County Recording Fees and Taxes
Recording fees follow the New York State schedule. The base fee covers the first page. Additional pages are charged per page. The clerk generates a cover page with its own fee. Certified copies cost $10 each. Always confirm fee amounts before you file.
The real estate transfer tax is $2 per $500 of consideration. Residential sales over $1 million also owe a 1% mansion tax. Nassau County is within the Metropolitan Commuter Transportation District, which affects mortgage recording tax rates. The MCTD adds 30 cents per $100 to the additional tax component. Check Form MT-15 for the specific rates that apply in Nassau County.
Mortgage Recording in Nassau County
Mortgage recording tax in Nassau County includes the basic state tax of 50 cents per $100, plus additional state and county components. Because the county sits in the MCTD, the additional tax is 30 cents per $100 rather than the standard 25 cents. For one- or two-family residential properties, the first $10,000 of the mortgage is exempt from the additional tax.
The total mortgage recording tax rate in Nassau County is higher than in upstate counties. This is a meaningful cost on large mortgages. Lenders typically factor this into closing cost estimates, but buyers should verify the amounts on their closing disclosure.
Property Tax and Assessment Data
Nassau County's Department of Assessment maintains assessment rolls and property data. The MyNassauProperty site lets you look up your property's assessed value, exemptions, and tax information online. This is separate from the deed records held by the Clerk, but the two sets of data work together for anyone doing thorough property research.
Nassau County's assessment system has been through several reassessment cycles. Equalization rates and assessment ratios can shift over time. The state's Municipal Data Portal tracks these rates and makes them available to the public.
Legal Resources
New York Real Property Law requires recording with the county clerk for constructive notice. An unrecorded deed is valid between the parties but can lose priority to a later recorded instrument. Nassau County's high transaction volume makes timely recording especially important.
The Cornell Legal Information Institute has the full text of New York statutes online. The New York State Senate tracks bills and proposed changes to property law. For historical records research, the New York State Archives can supplement what the county has on file.
Cities and Towns in Nassau County
Nassau County is structured differently from most New York counties. It has two cities and three towns, with many incorporated villages and unincorporated areas. All deed records for properties anywhere in the county go through the Nassau County Clerk's Office in Mineola.
The cities of Long Beach and Glen Cove are also within Nassau County. Dozens of villages dot the county as well. No matter which community a property is in, the deed is recorded with the same Clerk's Office.
Nearby Counties
Nassau County sits on Long Island between Queens and Suffolk County: