Roscommon County is named for County Roscommon located in Ireland and “ros” means ‘wooded promontory or pleasant place” and “Coman” was an Irish saint.
Surrounding County Courthouses:
N – Crawford County
E – Ogemaw County
S – Gladwin County and Clare County
W – Missaukee County
Created: April 1, 1840 
County Seat:
Hall Farm 1875 – 1879
Roscommon 1879 – present
County Courthouse – Roscommon
Location: 500 Lake Street / South 3rd Street
Built: 2004 – 2007
Style: Modern
Architect: Wigen, Tincknell, Meyer & Associates
Contractor: Pioneer Construction
Description: The building faces northeast and is a one story buff colored brick, polished stone and concrete structure. The building is located on landscaped grounds in the center of Roscommon. The northeast entrance has a circular overhang with recessed glass doors. The roof line is flat. The building houses the County Circuit Court of the 34th Judicial District, County District Court and County Probate Court. On the west side is the old courthouse.
See: The architect, Wigen, Tincknell, Meyers & Associates, designed courthouses in Clinton County, Ingham County and Montcalm County.
Old County Courthouse – Roscommon
Location: 500 Lake Street / South 3rd Street
Built: 1963 – 1964
Style: Modern
Architect: Ralph S Gerganoff of Ypsilanti
Contractor: Pyramid Construction Company.
Description: The building faces northwest and is a one story buff colored brick and concrete structure. The building is located on landscaped grounds in the center of Roscommon. The northwest front entrance has a circular overhang supported by four pillars with recessed glass doors. The roof line is flat. In the interior is a courtroom. An addition was added in 1975. In 2007, the building became the County Administration Building. On the southwest side is the jail and on the northeast side is the courthouse.
See: The 34th Judicial District includes Ogemaw County.
History: The county was created in 1840 as Mikenauk County and was renamed as Roscommon County in 1843. Hall Farm in Houghton Lake Heights was selected as the county seat in 1875 when the county was organized. The first courthouse was a small log building. In 1879, the county seat was moved to Roscommon. The second courthouse was a two story wooden structure built in 1879 on a hill, at a cost of $1,500. The third and present courthouse was constructed in 1963 to 1964 at a cost of $520,000. The fourth courthouse was constructed in 2004 to 2007 at a cost of $18,000,000.
See: Michigan’s County Courthouses by John Fedynsky
County Courthouse - Roscommon
Old County Courthouse – Roscommon
Photos taken 2008 and 2010