Union County Records

Search for Union County NJ county records. County records include birth certificates, death certificates, marriage records, marriage licenses, divorce records, property tax records, property ownership, historical records, genealogical research, property titles, property deeds, county maps, county taxes, county zones, school boundaries, and more.


Clerk Offices are responsible for maintaining important records for a county or local area, including multiple types of county records. These include vital documents such as birth certificates, marriage records, divorce records, and death certificates, which can be useful for proving identity or for conducting genealogical research. They may also keep documents related to property ownership and property taxes, including title deeds, tax assessments, property appraisals, and property sale records. The Clerk Office is one of the best places to find all types of county records, which may be available online.

Elizabeth Clerk Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4130

Fanwood Clerk Fanwood NJ 75 North Martine Avenue 07023 908-322-6750

Garwood Clerk Garwood NJ 403 South Avenue 07027 908-789-0780

Hillside Township Clerk Hillside NJ 1409 Liberty Avenue 07205 973-926-3000

Kenilworth Borough Clerk Kenilworth NJ 567 Boulevard 07033 908-276-9090

Mountainside Clerk Mountainside NJ 1385 U.s. 22 07092 908-232-5335

Rahway City Clerk Rahway NJ 1 City Hall Plaza 07065 732-669-3610

Roselle Park Borough Clerk Roselle Park NJ 110 Westfield Avenue East 07204 908-245-6222

Summit City Clerk Summit NJ 512 Springfield Avenue 07901 908-273-6400

Union County Clerk Elizabeth NJ 2 Broad Street 07201 908-527-4787

Union County Clerk Elizabeth NJ 2 Broad Street 07201 908-527-4787

Union County Clerk Westfield NJ 300 North Avenue East 07090 908-654-9859


Treasurer and Tax Collector Offices are responsible for collecting local taxes and disbursing the funds. This can include property taxes, business taxes, and other county or local taxes. Treasurer and Tax Collector Offices maintain a number of property-related county records, including property tax assessments, property appraisals, property ownership records, and any tax liens or foreclosures. They may also maintain records on property transfers and sales, including titles and deeds, which list the former and current owners as well as information on the property itself. Treasurer and Tax Collector Offices may provide online access to their county records.

Berkeley Heights Treasurer Berkeley Heights NJ 29 Park Ave 07922 908-665-0746

Elizabeth City Treasurer Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4111

Garwood Tax Collector Garwood NJ 403 South Avenue 07027 908-789-0475

Hillside Treasurer Hillside NJ 1409 Liberty Avenue 07205 973-926-5100

Mountainside Tax Collector Mountainside NJ 1385 U.s. 22 07092 908-232-2400

Plainfield Tax Collector Plainfield NJ 515 Watchung Avenue 07060 908-753-3215

Rahway Tax Collector Rahway NJ 1 City Hall Plaza 07065 732-827-2050

Roselle Park Tax Collector Roselle Park NJ 110 Westfield Avenue East 07204 908-245-0819

Roselle Tax Collector Roselle NJ 210 Chestnut Street 07203 908-245-9000

Springfield Tax Collector Springfield NJ 100 Mountain Avenue 07081 973-912-2207

Union County Board Of Taxation Elizabeth NJ 271 North Broad Street 07208 908-527-4775


Historical Societies are usually organized around a particular area, a group of people, or a historical event, and they preserve documents that have historic value. Historical Societies may maintain a range of documents on individuals from that area, including vital records such as birth and death certificates, marriage announcements, and other records that can help with genealogical research. They may also have photographs, historical maps, historical laws, and other records for their location and the people who lived there. Historical Societies may provide online access to their county records.

Clark Historical Society Clark NJ 593 Madison Hill Road 07066 732-340-1571

Cranford Historical Society Cranford NJ 124 North Union Avenue 07016 908-276-3307

Cranford New Jersey Historical Society Cranford NJ 38 Springfield Avenue 07016 908-276-0082

Elizabeth Historical Society Elizabeth NJ 1045 East Jersey Street 07201 908-353-1511

Elizabeth New Jersey Historical Society Elizabeth NJ 1139 East Jersey Street 07201 908-527-0111

Hillside Historical Society Hillside NJ 111 Conant Street 07205 908-353-8828

Kenilworth New Jersey Historical Society Kenilworth NJ 49 South 21st Street 07033 908-272-9370

Rahway Historical Society Rahway NJ 1632 Saint George Avenue 07065 732-381-0441

Roselle Historical Society Roselle NJ 116 East 4th Avenue 07203 908-245-9010

Roselle Park Historical Society Roselle Park NJ 9 West Grant Avenue 07204 908-245-1776

Summit New Jersey Historical Society Summit NJ 90 Butler Parkway 07901 908-277-1747


Archives preserve historically significant documents, which can include a number of county records, such as historical birth certificates and death certificates, as well as marriage and divorce records which can be useful when performing genealogical research. Archives may also contain photographs, historical maps, personal documents, and other historical records about a specific location and the people who lived there. They may also hold historic newspapers that contain county records. Some Archives keep documents that date back to the seventeenth century, and they may provide online access to their records.

Clark Township Police Records Archive Clark NJ 315 Westfield Avenue 07066 732-381-5696

Summit Foundation Records Archive Summit NJ 2 Montview Road 07901

Union County Clerk Records Archive Elizabeth NJ 2 Broad Street 07201 908-527-4787


Town and City Halls are responsible for providing municipal services for their locality. As part of this job, they may store important county records, including vital documents such as birth certificates, marriage license records, divorce records, and death certificates. These can be used as proof of identity, in applications for government services, or for performing genealogical research. The Town or City Hall may also keep documents on property ownership, property taxes and tax assessments, and maps for their jurisdiction that include zones, property boundaries, and school boundaries. Town and City Halls often make county records available online.

Clark Township Town Hall Clark NJ 430 Westfield Avenue 07066 732-388-3600

Elizabeth City Hall Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4000

Elizabeth City Hall Elizabeth NJ 250 Broadway 07206 908-820-2847

Linden City Hall Linden NJ 301 Wood Avenue 07036 908-474-8413

Plainfield City Hall Plainfield NJ 515 Watchung Avenue 07060 908-753-3000

Rahway City Hall Rahway NJ 1 City Hall Plaza 07065 732-827-2000


Assessor Offices determine the appraisal value of the taxable property within a county or local jurisdiction, which is used to assess the property taxes owed by residents. Assessors also keep a number of property-related documents, including records on property tax assessments, property appraisals, tax liens, foreclosures, and property tax payments. These records include information about current and former owners of a property, the property's size and location, zones and use regulations, and transfers of the property ownership. Assessors may make county records available through their website.

Elizabeth Assessor Elizabeth NJ 50 Winfield Scott Plaza 07201 908-820-4136

Fanwood Assessor Fanwood NJ 75 North Martine Avenue 07023 908-322-8236

Hillside Assessor Hillside NJ 1409 Liberty Avenue 07205 973-926-2222

Kenilworth Assessor Kenilworth NJ 567 Boulevard 07033 908-276-5801

Plainfield City Assessor Plainfield NJ 515 Watchung Avenue 07060 908-753-3203

Roselle Assessor Roselle NJ 210 Chestnut Street 07203 908-241-4000

Springfield Assessor Springfield NJ 100 Mountain Avenue 07081 973-912-2207