Oscoda County

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Oscoda County is named for the Native American word “ossin” meaning “pebble” and from “mushcoda” meaning “large prairie” and has the meaning “pebbly prairie”.


Surrounding County Courthouses: 

N – Montmorency County  

E – Alcona County

S – Ogemaw County

W – Crawford County


Created:  April 1, 1840                            Map of Michigan highlighting Oscoda County

County Seat:

Union Corners  1881 – 1882

Mio                    1882 – present


Former County Courthouse – Mio


Location:  301 Morenci Avenue / East 11th Street

Built:  1888 – 1889

Style:  Classical Revival

Architect:  Pratt and Keoppe of Bay City

Contractor:  George Hunter


Description:  The building faced west and was a two story white colored wood structure.  The building was located on spacious grounds in the center of Mio. The building had a white colored wood porch on the front. Above the entrance was a square wood tower. In the interior, the courtroom was on the second story had ornamental sheeting.Two wings were added in 1908. The building was destroyed by fire on May 6, 2016.


County Courthouse – Mio




Location:  105 South Court Street / East 9th Street

Built:  1919 – 1920

Style:  Schoolhouse

Architect:  Unknown

Contractor:  Unknown


Description:  The building faces west and is a one story red colored brick and concrete structure. The building is located on spacious landscaped grounds in the center of Mio. The building has a projecting entrance on the west side. The building was a schoolhouse until 1962. The roof line is flat. The building was renovated in 1995. In 1962 the building became the courthouse annex. In the interior, the courtroom is located in the basement. The building houses the County Circuit Court of the 23rd Judicial District, County District Court and County Probate Court.


County Government Center – Mio


Location:  301 Morenci Avenue / East 11th Street

Built:  2019 – 2020

Style:  Modern

Architect:  Sidock Group Inc. of Novi

Contractor:  Wolgast Corporation of Saginaw


Description:  The building faces west and

Built in 2019, the modern building is a one story white colored siding and concrete structure. The building faces west and was completed in 2020. The building is located on spacious landscaped grounds in the center of Mio to the west of the courthouse and on the site of the former courthouse. The building has a one story porch at the north end of the west front. The roof is hipped with a square shaped cupola. In the interior is an entrance lobby.


See:  The 23rd Judicial District includes Alcona County, Arenac County and Iosco County.


See:  Michigan’s County Courthouses by John Fedynsky


History:  The county was created in 1881 and Union Corners (Indian Lake) was selected as the county seat. The county seat was moved to Mio in 1882.The first courthouse was built by John Randall in 1882 and rented the building to the county. The second and present courthouse was constructed in 1888 to 1889 at a cost of $3,795. The cost of the addition in 1908 was $1,692. In 1962, the county moved into the school built in 1919 to 1920 and the building became the County Courthouse Annex. In 1916, the second courthouse was destroyed by fire. The County Government Center was constructed in 2019 to 2020.




Former County Courthouse – Mio













County Courthouse – Mio







Photos taken 2008