The Montgomery History campus is currently closed due to the ongoing COVID-19 pandemic. We will provide updates about reopening when they become available. In the meantime, you can visit our events calendar and Montgomery History Connected page to learn about virtual events and online offerings.


Jane C. Sween Research Library and Special Collections:

Wednesday-Friday, 10:00 am – 4:00 pm and Saturday, 12:00 pm – 4:00 pm


Beall-Dawson Museum, Stonestreet Museum of 19th Century Medicine, and Museum Shop:

Saturday-Sunday, 12:00 pm – 4:00 pm


Montgomery History Administrative Office:

Monday-Friday, 10:00 am – 5:00 pm



Montgomery History is located in the Beall-Dawson Historical Park in downtown Rockville, where you can find our research library, both museums, administrative office, and museum shop. A small parking lot (including designated handicapped parking) for the campus is located on Middle Lane, between the Beall-Dawson Museum and the Library.

Jane C. Sween Library
Street address: 42 W. Middle Lane, Rockville, MD 20850
Mailing address: 111 W. Montgomery Avenue, Rockville, MD 20850
Phone: (301) 340-2974


Inclement Weather: We follow MCPS – if schools are closed for weather, the museums and library are closed as well. On the weekends we follow the County Recreation Department – if daytime classes and activities are canceled, the museums and library are closed.  (MC Rec Weather Hotline: 240-777-6889)


Beall-Dawson Museum
Stonestreet Museum of 19th Century Medicine
Museum Shop
103 W. Montgomery Avenue
Rockville, MD 20850
Phone: (301) 762-1492


Admission to Museums:
Admission is free to all museums. Both guided and self-guided tours are available.

Summer visitors: Please be advised that the Beall-Dawson Museum has limited air-conditioning.  We do our best to provide air flow through the museum, but it does get warm; plan your visit accordingly.  (The Stonestreet Museum and the Library are air-conditioned.)



Administrative Offices
111 W. Montgomery Avenue
Rockville, MD 20850
Phone: (301) 340-2825
Fax: (301) 340-2871