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| Pittsburgh Historic Districts | |
|---|---|
| Name | Pittsburgh historic districts |
| Settlement type | Cultural landscape |
| Coordinates | 40.4406°N 79.9959°W |
| Subdivision type | Country |
| Subdivision name | United States |
| Subdivision type1 | State |
| Subdivision name1 | Pennsylvania |
| Subdivision type2 | County |
| Subdivision name2 | Allegheny County, Pennsylvania |
Pittsburgh Historic Districts provide legally recognized concentrations of historic buildings, structures, sites, and objects within Pittsburgh, Pennsylvania and surrounding boroughs. They encompass neighborhoods, commercial corridors, industrial complexes, and institutional campuses that reflect the city's roles in the Industrial Revolution, steel industry, and 20th‑century urban development. Designations at federal, state, and local levels involve entities such as the National Park Service, Pennsylvania Historical and Museum Commission, and the Pittsburgh Historic Review Commission.
A historic district in Allegheny County, Pennsylvania is defined by associations with significant persons, events, architectural merit, or archeological value under criteria used by the National Register of Historic Places, Secretary of the Interior (United States), and local ordinances enacted by the City of Pittsburgh. Designations include National Historic Landmark, National Register of Historic Places, and locally designated historic districts protected by the Pittsburgh City Code and administered by the Department of City Planning (Pittsburgh). Boundaries often follow cadastral parcels, parcel maps, and historic platting created by surveyors associated with the Pennsylvania Railroad, Western Pennsylvania Conservancy, and civic groups like the Pittsburgh History & Landmarks Foundation.
Preservation activity in Pittsburgh traces to early 20th‑century civic reformers linked to the Progressive Era and industrial philanthropists associated with families such as the Carnegie family and institutions like Carnegie Mellon University and the University of Pittsburgh. Mid‑century threats from urban renewal projects inspired activism by organizations including the Historic American Buildings Survey participants and local advocates connected to the National Trust for Historic Preservation. Landmark events include the designation of the Allegheny County Courthouse and the rehabilitation of the Heinz Hall for the Performing Arts, reflecting wider national policies like the National Historic Preservation Act of 1966 and state programs administered by the Pennsylvania Historical Marker Program.
Prominent historic districts include the Strip District, Pittsburgh with former Pennsylvania Railroad warehouses, the Market Square (Pittsburgh) core adjacent to the Monongahela River, the Duquesne Heights terraces, and the Mexican War Streets in Central Northside, Pittsburgh containing rowhouses tied to veterans of the Mexican–American War. Institutional districts include the Oakland (Pittsburgh) campus precincts near Carnegie Museum of Natural History and the Pitt Panther‑associated corridors around University of Pittsburgh and Carnegie Mellon University. Industrial complexes preserved within districts include remnants of the Jones and Laughlin Steel Company and sites tied to the Allegheny Arsenal and the Homestead Steel Works. Residential districts such as Squirrel Hill North, Shadyside, Pittsburgh, Lawrenceville, and Mount Washington (Pittsburgh) feature late‑19th and early‑20th‑century fabric tied to builders associated with the Victorian era and developers influenced by figures like Henry Clay Frick.
Designation commonly follows evaluation against the National Register Criteria for Evaluation administered by the National Park Service. Nomination involves documentation akin to the Historic American Engineering Record and contextual studies referencing events like the Great Depression and industrial transformations led by entities such as US Steel Corporation. Local designation requires submission to municipal commissions, public hearings under procedures of the City of Pittsburgh, and review by the Pennsylvania Historical and Museum Commission. Contributing and noncontributing resource determinations rely on period of significance, integrity, and association with persons such as Andrew Carnegie or events like the Homestead Strike.
Districts display a range of styles including Greek Revival architecture, Gothic Revival architecture, Victorian architecture, Second Empire architecture, Beaux‑Arts architecture, Art Deco, and Mid‑Century Modernism. Examples include masonry rowhouses, ironwork associated with local foundries tied to the Ohio River, and monumental civic architecture by architects like Henry Hobson Richardson and firms connected to Longfellow, Alden & Harlow. Periods span early 19th‑century frontier settlement through the peak of the Gilded Age and into 20th‑century corporate campus design influenced by patrons such as Pittsburgh's industrialists.
Historic district designation affects zoning administered by the City Planning Commission (Pittsburgh) and guides public investments tied to Pennsylvania Department of Transportation streetscape projects and transit improvements by the Port Authority of Allegheny County. Preservation fosters heritage tourism involving venues like the Andy Warhol Museum, Heinz Field, and cultural corridors near the Cultural District, Pittsburgh, and supports adaptive reuse projects that partner with developers such as those behind the revitalization of Station Square and the conversion of mill buildings in Homestead, Pennsylvania. Designation also intersects with affordable housing initiatives, community development corporations such as Urban Redevelopment Authority of Pittsburgh, and nonprofit heritage stewards including the Preservation Pittsburgh.
Contestation arises over demolition proposals involving properties once owned by corporations like U.S. Steel or redeveloped for projects such as highway extensions linked to the Interstate Highway System. Conflicts involve balancing preservation with infrastructure projects coordinated with agencies like the Pennsylvania Department of Transportation and debates over tax incentives such as the Federal Historic Preservation Tax Incentives program. Controversies include questions of gentrification in neighborhoods such as Lawrenceville and East Liberty and disputes between preservationists from organizations like the Historic American Landscapes Survey and developers advocating for large‑scale redevelopment supported by institutions like Allegheny County and universities.