Iowa - Mahaska County - Historic Districts
Mahaska County Iowa (Historic Districts) has 7 places on the National Register of Historic Places including 3 places of Statewide significance. Significant places include Lake Keomah State Park, Bathhouse--Lodge Area (Area A), Lake Keomah State Park, Erosion Control Area (Area B) and Penn College Historic District, Edmundson Park Historic District and Lake Keomah State Park, Bathhouse--Lodge Area (Area A).

Some of the country's most noteable architects helped create the Mahaska County places including Ames Central Design Office, Simmons, A.T., and Proudfoot, Bird and Rawson, Douwe Sjaardema, Frank E. Wetherell, Ray F. Wyrick, Iowa Concrete Crib and Silo Co. and Works Progress Administration. Prominent architectural styles found in Mahaska Country are Colonial Revival, Early Commercial and Italianate.

Edmundson Park Historic District (added 2007 - - #07001005)
Jct. of 11th Ave. W and Edmundson Dr. , Oskaloosa
Boscophotos, CC BY-SA 3.0, via Wikimedia Commons
Historic Significance:
Architecture/Engineering, Event
Architect, builder, or engineer:
Wyrick, Ray F., Works Progress Administration
Architectural Style:
Other
Area of Significance:
Architecture, Landscape Architecture, Community Planning And Development
Period of Significance:
1925-1949
Owner:
Local
Historic Function:
Landscape, Recreation And Culture, Transportation
Historic Sub-function:
Music Facility, Outdoor Recreation, Park, Road-Related, Sport Facility
Current Function:
Landscape, Recreation And Culture, Transportation
Current Sub-function:
Music Facility, Outdoor Recreation, Park, Pedestrian Related, Sport Facility
Lake Keomah State Park, Bathhouse--Lodge Area (Area A) (added 1990 - - #90001666)
Off IA 371 S of jct. with IA 92 , Oskaloosa
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Historic Significance:
Architecture/Engineering, Event
Architect, builder, or engineer:
Central Design Office,Ames
Architectural Style:
Other
Area of Significance:
Conservation, Entertainment/Recreation, Politics/Government, Social History, Landscape Architecture, Architecture
Period of Significance:
1925-1949
Owner:
State
Historic Function:
Landscape
Historic Sub-function:
Park
Current Function:
Landscape
Current Sub-function:
Park
Lake Keomah State Park, Erosion Control Area (Area B) (added 1990 - - #90001667)
Off IA 371 S of jct. with IA 92 , Oskaloosa
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Historic Significance:
Architecture/Engineering, Event
Architect, builder, or engineer:
Central Design Office,Ames
Architectural Style:
Other
Area of Significance:
Conservation, Politics/Government, Landscape Architecture, Entertainment/Recreation, Social History
Period of Significance:
1925-1949
Owner:
State
Historic Function:
Landscape
Historic Sub-function:
Park
Current Function:
Landscape
Current Sub-function:
Park
Oskaloosa City Park and Band Stand (added 1983 - - #83000389)
City Park , Oskaloosa
Boscophotos, CC BY-SA 3.0, via Wikimedia Commons
Historic Significance:
Architecture/Engineering, Event
Architect, builder, or engineer:
Wetherell,Frank E.
Architectural Style:
Mixed (More Than 2 Styles From Different Periods)
Area of Significance:
Architecture, Performing Arts
Period of Significance:
1900-1924, 1825-1849
Owner:
Local
Historic Function:
Landscape, Recreation And Culture
Historic Sub-function:
Forest, Music Facility, Park, Work Of Art (Sculpture, Carving, Rock Art)
Current Function:
Landscape, Recreation And Culture
Current Sub-function:
Forest, Music Facility, Park, Work Of Art (Sculpture, Carving, Rock Art)
Oskaloosa City Square Commercial Historic District (added 1986 - - #86000716)
Also known as See Also:Mahaska County County Courthouse; Oskaloosa City Pa
Roughly bounded by A Ave. E, N. and S. Second St., Second Ave. E, and N. and S. A St. , Oskaloosa
Boscophotos, CC BY-SA 3.0, via Wikimedia Commons
Historic Significance:
Architecture/Engineering
Architect, builder, or engineer:
Multiple
Architectural Style:
Romanesque, Early Commercial, Italianate
Area of Significance:
Architecture
Period of Significance:
1925-1949, 1900-1924, 1875-1899, 1850-1874
Owner:
Local, Private
Historic Function:
Commerce/Trade
Historic Sub-function:
Business, Professional, Specialty Store
Current Function:
Commerce/Trade
Current Sub-function:
Business, Professional, Specialty Store
Penn College Historic District (added 1996 - - #96000391)
Also known as William Penn College
201 Trueblood Ave. , Oskaloosa
Boscophotos, CC BY-SA 3.0, via Wikimedia Commons
Historic Significance:
Event, Architecture/Engineering
Architect, builder, or engineer:
Simmons, A.T., and Proudfoot, Bird and Rawson
Architectural Style:
Colonial Revival, Prairie School
Area of Significance:
Architecture, Education
Period of Significance:
1925-1949, 1900-1924
Owner:
Private
Historic Function:
Education
Historic Sub-function:
College
Current Function:
Education
Current Sub-function:
College
Vander Wilt Farmstead Historic District (added 2004 - - #03001370)
Also known as Heritage House Bed and Breakfast
1345 IA 163, Black Oak Twp, Sec. 22, T26N, R17W, SW of Ne , Leighton
Boscophotos, CC BY-SA 3.0, via Wikimedia Commons
Historic Significance:
Event
Area of Significance:
Agriculture
Period of Significance:
1950-1974, 1925-1949, 1900-1924
Owner:
Private
Historic Function:
Agriculture/Subsistence, Domestic
Historic Sub-function:
Agricultural Outbuildings, Animal Facility, Single Dwelling
Current Function:
Agriculture/Subsistence, Domestic
Current Sub-function:
Agricultural Outbuildings, Animal Facility, Hotel
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