Photo of a book in the Mertz Library's rare book room

Mertz Library

Library Hours

Today’s Hours: 10 a.m.–5 p.m.

Monday: 10 a.m.–5 p.m.
Tuesday: 10 a.m.–5 p.m.
Wednesday: 10 a.m.–5 p.m.
Thursday: 10 a.m.–5 p.m.
Friday: 10 a.m.–5 p.m.
Saturday: Closed
Sunday: Closed

Please enter by the Mosholu Entrance if using the Library on a Monday. NYBG grounds are closed to the Public on Mondays, but the Library is open. The Library is closed Saturday, Sunday and Holidays. Library hours are subject to change during summer months.


Phone: 718.817.8604
Fax: 718.220.6504

Phone: 718.817.8874

Phone: 718.817.8681