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County
City of Pittsburgh Retaining Walls
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
City of Pittsburgh Retaining Walls -
County
Retaining Wall Permits
Montgomery County of Maryland —
A permit is required to install a retaining wall if the height of the wall measured from the bottom of the footing to the top of the wall is over 48 inches unless... -
City
DPW Maintained Roadway Structures
City of San Francisco —
Structures in the public right of way maintained by DPW. Source: DPW'S RSIS system.