Welcome

Welcome to the official website of the WARREN COUNTY HISTORICAL & GENEALOGICAL SOCIETY! (A non-profit organization)

The museum of the Warren County Historical and Genealogical Society, located at 313 Mansfield Street, stands within the historic district in the county seat of Belvidere, New Jersey.

The Federal brick townhouse was built circa 1848 and was purchased by the Historical Society from Clara Smith in August 1980. It officially opened as a museum in August 1984.

The museum is open Sundays 12 - 4 p.m.

Mailing Address:
Warren County Historical & Genealogical Society
PO Box 313, Belvidere, NJ 07823
(908) 520-6243
Email: warrencountynjhistorical@yahoo.com

Our Past Fundraiser at Rutherfurd Hall

Thank you to all who joined us for our April 18, 2026 fundraising event, “A Night at Rutherfurd Hall.” We are truly grateful to all who attended and helped to make the event a success with your tax-deductible contributions. Special thanks go to the staff of Rutherfurd Hall and the Rutherfurd Hall Foundation, and Foundation President Rosemary Tuohy, for all the accommodations and assistance with the event; to Mr. Tom Schiano and Mama’s Café Baci and Catering, Hackettstown, for partnering with us on the delicious food; Hop & Vine Liquors of Belvidere for partnering with us on the beverages; and the band Moetta for donating their time to serve as the evening’s entertainment. We are also grateful to a number of people and organizations outside the historical society who provided important assistance in advance or the night of the event, including Vanessa Boulette, Kate Childs, Ed Coyne, Sam Jenkins, Tj Kurczewski, Colleen O’Neill-Cohen, Melanie Thiel, Vicky Thiel, Norman Worth and WRNJ Radio.

If you missed the event but would like to support the Warren County Historical & Genealogical Society’s capital campaign to make critical repairs to the museum in Belvidere, please use this link below to make your tax-deductible contribution online

Donations

Special Message

We gratefully accept donations, not only of a pecuniary nature, but of any items, photographs, paperwork, etcetera of a historical nature.

To become a supporter of the WARREN COUNTY HISTORICAL & GENEALOGICAL SOCIETY (a non-profit organization) and help us preserve and care for our unique collection, you can make a tax-deductible donation.

We accept help from individuals as well as corporate entities. You may leave the donation in the donation box in the museum foyer or participate in our corporate sponsorship program.

Membership application

Books, DVDs, Antique Maps, and More

Copies of this map detailing the Belvidere Historic District are for sale at the Museum. Each is printed on 8-1/2" x 11" high-quality, glossy photo paper and comes in a protective plastic sleeve. Copies are only $5.00 each and may be picked up at the Museum during normal hours of operation. If you wish copies be mailed to you, there shall be additional First Class postage and packing fees. Thank you!

You may also purchase books, DVDs, antique maps, & postcard reproductions and souvenirs. See our Books & DVDs page.