Nassau County, New York Property Records

Nassau County Property Search

Nassau County property records are official records of information about properties, including land or houses, within the jurisdictional district of Nassau County, New York. This usually includes information about property ownership, mortgages, property tax assessments, history, size, and property location.

The Nassau County Clerk's Office is the record custodian of Nassau County Public Records, including property records. Its duties include recording documents related to real property, maintaining an official index of property ownership, and making such records available to requestors. A property search provides members of the public with a means to access property records in Nassau County, New York.

Property information retrieved from a property record search could be useful to potential buyers, real estate agents, or some other parties to track ownership, property assessed value, and any liens or legal encumbrances.

Are Nassau County Property Records Public?

Nassau County property records are public records pursuant to the New York State Freedom of Information Law (FOIL). This means that all real property records in Nassau County, such as ownership, assessment, and tax records, are available for public inspection or copying.

However, property records could be restricted from public disclosure in Nassau County if they fall under certain restricted categories specified by law. As per FOIL, property records could be withheld from public disclosure if they include:

Personal identifying information, such as social security numbers, driver's license numbers, and other sensitive personal data that could be used for fraud or identity theft.
Medical information, such as health records, medical diagnoses, and treatment information.
Law enforcement records, such as ongoing investigations or criminal history information.
Confidential business information, such as trade secrets, intellectual property, or other sensitive commercial data.

What Do Nassau County Property Records Contain?

Property records are a rich source of information related to properties and typically contain, amongst others, the following types of information:

Property ownership information: The name of the property owner, the date the property was purchased, and the purchase price. This sort of information is usually found in property deeds, like grant deeds.
Property characteristics: This may include information about the size and shape of the property, the number of buildings or structures on the property, and any other physical characteristics that may be relevant.
Property assessed value: information about the assessed value of the property from the county assessors. This is often used to establish the amount of property tax due on the property each year.
Building permits: If there have been any recent renovations or construction on the property, building permit information may be included in the property records.
Zoning and land use information: Information about the zoning and land use regulations that apply to the property, which can impact how the property can be used or developed.
Mortgage information: Record of any loan that was taken to acquire the property. The information typically includes the name of the lending facility and the borrower, the terms of repayment, and the annual interest rate.
Plat of property: A detailed drawing that gives information about the property line, boundary location, tract orientation, monuments, etc.

Where to Perform a Nassau County Property Lookup

The County Clerk’s Office has made available the following options for anyone who wishes to obtain information related to real property records:

Nassau County Clerk's Office: In-person visits to the office of the County Clerk (Room B-1) to request access to view and/or copy a property-related record. Inquirers are expected to visit during hours of operation, 9:00 A.M. - 4:30 P.M., Monday through Friday, excluding holidays. Individuals who make in-person visits have the advantage of being able to obtain certified copies of documents. However, this service comes with a fee.
Nassau County Clerk Records Online Search: This option allows individuals to perform a Nassau County property records lookup on the county property records portal. This service offers users the opportunity to remotely access property documents as far back as 1994. A Lookup can be performed on the portal using different search criteria, such as the name of the owner, the document title, the recorded date, and the map name or document. Viewing the property document images is free. However, downloading them will attract a fee of $0.65 per page, while printing will incur a cost of $1.50 per document page.
FOIL Requests by E-mail: Through this service, one can submit record access requests by email by completing an electronic form with relevant details and directing it to the Nassau County department that is responsible for the requested record. For example, individuals seeking property records are expected to select “County Clerk” under the department category, describe the record they are requesting, fill out their relevant details, and then submit the request.

Regardless of the option used to request property records, the requesting individuals are typically expected to provide some basic information about the property, such as the property address, owner's name, BBL, and document title, to facilitate the search.

How to Perform a Property Owner Lookup in Nassau County

Just like any other type of information in the property records, ownership information is a public record, and it’s available for public viewing. The property owner’s details are typically included in the property deed.

To view this document, an individual needs to make an in-person request at the Nassau County Clerk's Office. Information such as the SBL, address, or property landmark is necessary and is expected to be provided by the requesting party to help facilitate the retrieval of the property deed record that holds information related to ownership.

Alternatively, one can use the County Clerk Records Portal to perform a lookup using other search criteria aside from names, such as the house number, street name, or BBL of the property, to return available records for that property. The property deed is part of the records, and a lookup of it will reveal the property owner's information.

How to Find Nassau County Property Records Online

All property information recorded and indexed by the Nassau County Clerk’s Office since 1994 is available to be viewed online through the County Clerk Records online search service. Also, individuals can find property records online through the Nassau County Department of Assessment’s “land record viewer,” where property information like property photographs, assessment roll data, and tax information is available.

Alternatively, there are third-party aggregate sites that allow individuals to lookup property records online. To use their service, one may be required to register an account and pay a subscription fee to be able to search property records. Otherwise, a fee is required each time a search is submitted. One can find information such as ownership records, tax records, property assessments, and lien details on these sites.

Note that third-party aggregate databases are not affiliated with the Nassau County government, so there is no guarantee of obtaining accurate or up-to-date information.

How to Find Property Owner by Address for Free

Information about a property owner can be obtained if one has the address of the property. To obtain a property owner record using just the address of the property, one may visit the County Clerk’s office in person and provide the property location information.

Alternatively, the searcher may use the property address details, like the house number and street name, to perform a property record search on the Nassau County Clerk Records online service under the "search by address" lookup option.

Property documents returned from these searches will usually contain ownership records that may hold information pertaining to the property owner’s identity, residential address, and other contact information.

Nassau County Property Tax Lookup

The Tax Records Department of the County Treasurer’s Office collects and maintains records of property taxes in Nassau County and allows the public to conduct property tax lookups on open and paid property taxes. Members of the public who wish to obtain information on property taxes in Nassau County, therefore, have two options to do this:

First, individuals can use the in-person access to request property tax records at the County Treasurer’s Office. Requests should be made during work hours, Monday through Friday.

Second, interested parties can use the Nassau County Land Record Viewer to look up property taxes online. A property search on this service by address or BBL allows users to access property tax information, such as tax maps, past taxes, tax rates, and other property information from the assessment office.

A property tax lookup is usually done to determine a property’s current tax obligation and/or its delinquent taxes. This information could be useful in helping one make an informed decision when purchasing a property, refinancing a mortgage, or disputing property taxes.

How to Find a Nassau County Property Appraiser

One can find property appraisers operating in Nassau County by searching the database of currently licensed real estate appraisers for the State of New York. Appraiser names, locations, and business names are some information in the database. All Nassau County appraisers in the database can be found by searching for Nassau County in the “county” detail section of the appraisers listed. One can choose to either visit the appraiser's address in Nassau County or reach out to them via their available business contact information.

Property appraisers use a combination of data analysis, market research, and physical inspection to determine the current market value and potential value of a property. The value of a property is determined to serve purposes such as mortgage lending, property tax assessments, estate planning, and insurance.

The appraisal process typically involves the following steps:

Collecting data about the property, including its size, location, and condition.
Collecting recent sales of comparable properties in the area.
Inspecting the property to assess its state and features.
Determining the property's value based on data and analysis of other similar properties.

In addition to determining property values, property appraisers may offer other services, such as consultation on property valuation and market trends and conducting feasibility studies for real estate development projects.

Nassau County Property Assessor

The Nassau County Department of Assessment is a government agency that is responsible for determining the value of properties in Nassau County. Their primary objective is to ensure that there is an appropriate and equitable distribution of property taxes. The Department plays a crucial role in accurately assessing all properties in the county.

In order to fulfill its mandate, the Department accepts and processes property assessments, maintains accurate records of assessments, and furnishes homeowners with information about their assessments and taxes. Additionally, they offer assistance to property owners with regard to exemptions, tax relief, and other tax-related issues.

The Nassau County Department of Assessment can be reached by the public via email, letter, in-person, or online via a contact form.

To reach the Assessment office via email, send an email to ncfield@nassaucountyny.gov.
For mail requests and in-person visits, use the Department of Assessment contact information below.

240 Old Country Road
4th Floor
Mineola, 11501 NY
Phone: (516) 571-1500