We have two facilities in the New York City area.

Our offices are central to research facilities at local universities and the New York Public Library.

Main Office

Our main office is located in Yonkers overlooking the Hudson River in a renovated trolley barn built in 1900.

92 Main Street, Suite 207
Yonkers, NY 10701
Tel. (914) 423-3861 Fax. (914) 423-3824
info@gra-geoarch.com

Brooklyn Laboratory

GRA's laboratory space is located in Brooklyn. Artifacts and sediment samples are processed, analyzed, and stored at the facility.

119 Ingraham St, Suite 108
Brooklyn, NY 11237
Tel. (347) 422-0430