Since establishment, MRSI has grown from an agency serving eight people with developmental disabilities with six staff members to serving over 70 people in three counties and employing over 70 people.
A Brief History of MSRI

1977
Mercer Residential Services, Inc., (MRSI) is a private nonprofit organization established in 1977 by a group of parents and professionals as a local alternative to the institutionalization of people with cognitive disabilities.
1990's
The 1990s was a busy time as MRSI ventured into providing supported living services in Mercer County and then in Van Wert County.
1997
In 1997, through the Tri-County ADAMHS Board, MRSI was awarded a grant from the Ohio Department of Mental Health to build a four-unit apartment complex in Van Wert.
1999
In 1999, a drop in center began to be built for the Tri-County ADAMHS Board in Van Wert. Tri County ADAMHS Board designated MRSI as the housing agency for Van Wert, Mercer, and Paulding Counties. Overtime, MRSI has increased the 4 apartment complex in Van Wert to 6 units and has built two additional six unit apartment complexes along with a duplex in Celina.
1999
MRSI was awarded the contract by the Van Wert County Board of Developmental Disabilities to operate the Thomas Edison Group Home in 1999.
2000's
During the early 2000’s MRSI expanded into Auglaize County and began providing supported living services.
2007
In 2007 MRSI opened a new administrative office and also began offering Adult Day Services in Mercer County.
2012
In 2012, MRSI began construction of a new eight bed group home in Mercer County.
2013
In August 2013, the Wayne Street Home opened and the Mud Pike Home closed.
2013
During 2013, MRSI began to offer ADS services in Van Wert and partnered with the Van Wert YMCA to run the Healthy Fit Program.
Today
Today we provide an array of services from group homes, respite care, affordable housing, homemaker/personal care services, vocational, recreations and social activities.