Lookup Public Records in Nassau CountyNew York. Including Vital Birth and Death Records, Deeds, Probate, Property Records, Mortgages, Liens, Judgments, Marriage Licenses, Voter Registrar, Payroll, Military Discharges.

Nassau County, New York

Nassau County is a suburban county in the state of New York. It was formed in 1899 by the division of Queens County. The name of the county comes from an old name for Long Island, which was at one time named Nassau, after the Dutch Prince William of Nassau. Hempstead is the largest town in the county, while its county seat is located in the Village of Garden City. According to the U.S. Census Bureau, the county has a population of approximately 1,339,532 people and a total area of 453 square miles, of which 169 square miles is water and 285 square miles is land. Nassau County borders the following counties: Bronx County to the northwest; Fairfield County, Connecticut, to the north; Queens County to the west; Suffolk County to the east; and Westchester County to the northwest.

Maureen O’Connell is the current Nassau County Clerk. Her office is charged with the responsibility of maintaining all public records relating to real estate in the county. Some of the records maintained by the clerk’s office include but are not limited to deeds, mortgages, divorce decrees, annulments, separation agreements, and other official documents.

Certified copies of documents maintained by the clerk’s office can be obtained by visiting the office of the clerk in person or by mailing a written request to the clerk’s office. It is important to note that the Clerk’s Office does not maintain vital records (births, deaths, and marriages), except for marriage certificates filed from 1907 to April 29, 1935. Whether your request is in person or by mail, you will need your property section, block and lot number (located on your tax bill), and the appropriate fee ($5 in person for 1-4 pages and $10 by mail, which includes a $5 search fee).  For more information relating to public records, visit the Nassau County Clerk’s Website.

Nassau, NY Genealogy and Ancestry Records
Source: U.S. Census Bureau, USA Counties Data File Downloads
Total Ancestries Reported 2005-20091,641,314
Persons Reporting Total Ancestry As - United States or American - 2005-200945,600
Persons Reporting Total Ancestry As - Arab - 2005-20097,638
Persons Reporting Total Ancestry As - British - 2005-20092,685
Persons Reporting Total Ancestry As - Czech - 2005-20095,127
Persons Reporting Total Ancestry As - Danish - 2005-20092,484
Persons Reporting Total Ancestry As - Dutch - 2005-20096,242
Persons Reporting Total Ancestry As - English - 2005-200946,252
Persons Reporting Total Ancestry As - European - 2005-200911,076
Persons Reporting Total Ancestry As - French (except Basque) - 2005-200916,584
Persons Reporting Total Ancestry As - French Canadian - 2005-20093,261
Persons Reporting Total Ancestry As - German - 2005-2009151,670
Persons Reporting Total Ancestry As - Greek - 2005-200922,971
Persons Reporting Total Ancestry As - Hungarian - 2005-200914,799
Persons Reporting Total Ancestry As - Irish - 2005-2009235,625
Persons Reporting Total Ancestry As - Italian - 2005-2009322,365
Persons Reporting Total Ancestry As - Lithuanian - 2005-20095,185
Persons Reporting Total Ancestry As - Norwegian - 2005-20096,186
Persons Reporting Total Ancestry As - Polish - 2005-200972,877
Persons Reporting Total Ancestry As - Portuguese - 2005-20097,892
Persons Reporting Total Ancestry As - Russian - 2005-200960,750
Persons Reporting Total Ancestry As - Scotch-Irish - 2005-20099,589
Persons Reporting Total Ancestry As - Scottish - 2005-20099,507
Persons Reporting Total Ancestry As - Slovak - 2005-20091,493
Persons Reporting Total Ancestry As - Subsaharan African - 2005-20097,316
Persons Reporting Total Ancestry As - Swedish - 2005-20097,950
Persons Reporting Total Ancestry As - Swiss - 2005-20092,412
Persons Reporting Total Ancestry As - Ukrainian - 2005-20096,601
Persons Reporting Total Ancestry As - Welsh - 2005-20091,645
Persons Reporting Total Ancestry As - West Indian (excluding Hispanic groups) - 2005-200949,966
Persons Reporting Total Ancestry As - Other Groups - 2005-2009414,757

Nassau County Clerk’s Office
County Government Office

Address: 240 Old Country Rd # 202, Mineola, NY 11501, United States
Phone: 516-571-2663

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