The Middlesex County Historical Society at the General Mansfield House

151 Main StreetGeneral Mansfield House
Middletown, CT 06457
Phone: (860) 346-0746

NOTICE: Transition to New Director

Beginning December 21, 2018, the Society and museum will be closed during the transition to a new director.  We apologize for any inconvenience and hope that you will check back in to find out when we will re-open.

Normal Hours

Open 10am – 2pm on Monday, Tuesday, Wednesday, and Thursday.

Open 10am – 2pm on the first Saturday of the month.

Research by appointment only.


$5 adults, $2 students and seniors, members free.


– Take exit 14 off Route 9 for deKoven Drive
– Merge onto Dr. Martin Luther King Jr Way/Metro Square
– Turn right at Main Street

The General Mansfield House is on the left.

Visit us online!



Middletown 366

150 Years Ago in Middletown

Their Own Stories: Voices from Middletown’s Melting Pot

Hard & Stirring Times: Middletown & the Civil War

A Vanished Port: Middletown & the Caribbean 1750-1824