{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "", "description": "Outlines the boundaries of the Baltimore County Historic Districts. The agreement by the owners of 75 percent of the property within a proposed district\u2019s boundary is required to form a local historic district. Any exterior modification or addition to a structure in a district, or any excavation, building, or demolition permit, is subject to approval by the Landmarks Preservation Commission.", "summary": "", "title": "Baltimore County Historic District", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "", "licenseInfo": "" }