Lewis and Clark County is named for Meriwether Lewis and William Clark, who were explores who traveled along the Missouri River.
Surrounding County Courthouses:
N – Teton County
E – Cascade County, Megher County and Broadwater County
S – Broadwater County and Jefferson County
W – Powell County and Flathead County
Created: February 2, 1865 
County Seat:
Helena 1865 – present
County Courthouse – Helena
Location: 228 East Broadway Street / North Ewing Street
Built: 1886 – 1889
Style: Romanesque Revival
Architect: Hodgson, Willingford & Stem of St. Paul, Minnesota
Contractor: Ryan & Brunton and John J Palmer of St. Paul. Minnesota.
Description: The building faces north and is a three story rough stone structure. The building is located on landscaped grounds in the center of Helena. The north and south fronts have large arched entrances in the center sections. The exterior walls are Bayfield brownstone from Wisconsin and the interior has granite walls. There is a large courtroom. The building houses the County District Court of the 1st Judicial District. The Norman Clock tower was removed in 1935 after an earthquake. The tower, fourth-story gables and a heavy stone cornice, adornments of little use during the depression era, were not replaced. On the north side is the County Jail. On the east side is the Old County Jail built in 1891.
History: The county was created in 1865 as Edgerton County and Helena was designated as the county seat. In 1867 the name was changed and the first courthouse, a two story square structure, was built. The second and present courthouse was constructed in 1885 to 1887.
See: Located in the county is the Montana Supreme Court.
City-County Building – Helena
Location: 316 North Park Street / West 6th Avenue
Built: 1902 – 1904
Style: Renaissance
Architect: James Knox Taylor
Contractor: Unknown
Description: The building faces east and is a four story gray colored stone and concrete structure. The building is located on landscaped grounds in the center of Helena. The building was constructed as the Federal Building and became the City-County Building in 1977. The exterior is faced with Columbus sandstone. The east front has three arched entrance on the first story and above, the building is recessed with three large arched windows. The red colored roof is hipped. An addition was constructed on the west side in 1933 to 1934.
County Courthouse – Helena
Picture Second Courthouse – First Courthouse
County Jail – Helena
Old County Jail – Helena
City-County Buillding – Helena
Photos taken 2011