Housing & Development Data

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• Philadelphia Fair MeasureCity of Philadelphia · VolunteerFair Measure is an independent research project that compares City of Philadelphia real estate assessments against an independent estimate of the property value based on the same public records that the City uses. The data is based on actual property sales, Ci
  Updated 07/16/2027
• Data for the Grassland Flora of Southeastern National Parks for Conservation Planning and Best Management Practices ProjectDepartment of the Interior · National Park ServiceThis dataset contains spreadsheets with data for each park included in the NPS Grassland Fidelity Explorer that was developed as part of the Grassland flora of Southeastern National Parks for Conservation Planning and Best Management Practices Project.
  ZIPUpdated 12/01/2026
• Building PermitsCity of DallasPermits issued by the City of Dallas, from January 2018 to the present. Updated daily. Includes permit number, permit type, issue date, contractor, valuation, work description, land use, and property location. For active permit tracking, visit the Dallas Accel
  CSVJSONXMLUpdated 10/27/2026Daily
• Planning AreasCity and County of San FranciscoSan Francisco Planning Department's Planning Areas.
  CSVJSONGeoJSONXMLUpdated 10/27/2026As needed
• Article 11 RatingsCity and County of San FranciscoParcels rated under Article 11 of the Planning Code - Preservation of buildings and districts of architectural, historical and aesthetic importance in the C-3 zoning district. Ratings are shown below: Category I Significant Building. Listed in Appendix A of th
  CSVJSONGeoJSONXMLUpdated 10/27/2026Daily
• Landmarks Listed in Article 10 of the San Francisco Planning CodeCity and County of San FranciscoA. SUMMARY Historic Landmarks Listed in Article 10 of the San Francisco Planning Code B. HOW THE DATASET IS CREATED Created by the the San Francisco Planning Department. Areas represent parcel boundaries or streets listed in Article 10 of the Planning Code C.
  CSVJSONGeoJSONXMLUpdated 10/27/2026As needed
• Zoning Map - Special Sign DistrictsCity and County of San FranciscoThe Special Sign Districts are a component of the Zoning Map which in turn is a key component of the San Francisco Planning Code. The official San Francisco zoning map is here: https://experience.arcgis.com/experience/573d02b43b7b46e381df04b7f225da95
  CSVJSONGeoJSONXMLUpdated 10/27/2026Quarterly
• Zoning Map - Special Use DistrictsCity and County of San Francisco · PlanningSpecial Use Districts (SUDs) are a component of the San Francisco Zoning Map. SUD controls are outlined in Article 2 of the San Francisco Planning Code: http://library.amlegal.com/nxt/gateway.dll/California/planning/article2usedistricts?f=templates$fn=default.
  CSVJSONGeoJSONXMLUpdated 10/27/2026Quarterly
• Zoning Map - Height and Bulk DistrictsCity and County of San FranciscoThe Height and Bulk Districts are a component of the Zoning Map which in turn is a key component of the San Francisco Planning Code. The official San Francisco zoning map is here: https://experience.arcgis.com/experience/573d02b43b7b46e381df04b7f225da95
  CSVJSONGeoJSONXMLUpdated 10/27/2026Quarterly
• Zoning Map - Zoning DistrictsCity and County of San FranciscoThe Zoning Districts are a component of the Zoning Map which in turn is a key component of the San Francisco Planning Code. More information can be found here: https://sfplanning.org/zoning The official zoning map can be found here: https://experience.arcgis.c
  CSVJSONGeoJSONXMLUpdated 10/27/2026Quarterly
• Roadway Work ZonesCity of AustinView the JSON feed here. Road closures from AMANDA for workzones. Either Temporary use of right of way permits (TRUPs) or excavation permits (EX). Does not include secondary or emergency permits. Only "Active" permits that are on-going or planned appear in thi
  CSVJSONGeoJSONXMLUpdated 10/27/2026Daily
• Office of Consumer Protection (OCP) Investigations DataMontgomery County, Maryland · Montgomery County, MDThe Office of Consumer Protection (OCP) conducts investigations to ensure business compliance and to resolve complaints about consumer transactions that occur in Montgomery County, no matter where the consumer or the merchant are located. OCP staff determine t
  CSVJSONGeoJSONXMLUpdated 10/27/2026Daily
• Property & Casualty Rate FilingsState of Texas · Texas Department of InsuranceThis data set includes property & casualty rate filings submitted by insurance companies to the Texas Department of Insurance. Click here to learn more about this data and the rate filing process.
  CSVJSONXMLUpdated 10/27/2026Daily
• Bridge Hold Location StipulationsCity of New York · Department of Transportation (DOT)This dataset provides locations which have the Bridge Hold as one of the stipulations. The information gives the location of all the blocks and the intersections within 100 feet of a Bridge Structure.
  CSVJSONXMLUpdated 10/27/2026Daily
• Alternative Fuel LocationsCity of Chicago · U.S. Department of EnergyList of locations in NE Illinois, NW Indiana, and SE Wisconsin where alternative vehicle fuels are available. For a Chicago-only filtered view, see https://data.cityofchicago.org/d/fi3z-jc3f. For more detailed descriptions of fields, see http://developer.nrel.
  CSVJSONGeoJSONXMLUpdated 10/27/2026Daily
• Board of Adjustment CasesCity of AustinView the City of Austin Open Data Terms of Use This dataset was created to compile information about Board of Adjustment (BOA) cases filed with the City of Austin. The information is retrieved daily from the City's Application Management and Data Automation (A
  CSVJSONGeoJSONXMLUpdated 10/27/2026Daily
• Beer Permit LocationsMetropolitan Government of Nashville and Davidson County · Nashville GISDetails of all locations within Davidson County that have active beer and beer caterer permits.   This dataset is updated daily. Source Link:  https://www.nashville.gov/departments/beer-permits Metadata Document:  Beer Permit Locations Metadata.pdf Contact Dat
  CSVGeoJSONShapefileKML+1Updated 10/27/2026
• EBR Building PermitsCity of Baton Rouge · Permits and InspectionsAll construction and occupancy permits issued in East Baton Rouge Parish
  CSVJSONGeoJSONXMLUpdated 10/27/2026Daily
• Professional and Occupational LicensingState of Delaware · Department of State, Division of Professional RegulationProfessional Licenses are required by law in order to practice in Delaware. This dataset contains information about individuals who have applied for, currently hold or previously held a professional or occupational license issued by the State of Delaware that
  CSVJSONXMLUpdated 10/27/2026Daily
• Integrated Tax System Public Extract Vacant and BlightedDistrict of Columbia · Office of the Chief Financial OfficerThis table is a subset of ITSPE and represents vacant and blighted property. The tax assessment roll public extract (ITSPE) is used for assessment and property analysis, to send property tax bills and notices, and stores comprehensive tax information such as o
  CSVGeoJSONShapefileKML+1Updated 10/27/2026
• Vacant and Blighted Building FootprintsDistrict of Columbia · Office of the Chief Financial OfficerThis layer is a subset of ITSPE and and UBIDs representing vacant and blighted property building footprints. The tax assessment roll public extract (ITSPE) is used for assessment and property analysis, to send property tax bills and notices, and stores compreh
  CSVGeoJSONShapefileKML+1Updated 10/27/2026
• Common Ownership LotsDistrict of Columbia · Department of BuildingsThe common ownership layer is built from various polygon feature classes of the District's Vector Property Mapping program and identified below. It represents all lands that are outside right-of-way. - Record Lots - Tax Lots - Parcel Lots - Reservation Lots -
  CSVGeoJSONShapefileKML+1Updated 10/27/2026
• Highway Plan LinesDistrict of Columbia · Department of BuildingsIf a Highway Plan line intersects a property, it acts as a building restriction line, prohibiting the creation of new record lots and limiting subdivision. These lines represent "planned" roads, not necessarily existing ones, which the District Department of T
  CSVGeoJSONShapefileKML+1Updated 10/27/2026
• Condo Relate TableDistrict of Columbia · Department of BuildingsThe Condo Relate table contains attributes of air rights, record, and tax lots approved for active condos. Condominium documentation (Condo Book & Page) is approved and recorded by the DC's Surveyors Office (OS) for the DC's Department of Buildings (DOB) . Rea
  CSVGeoJSONShapefileKML+1Updated 10/27/2026
• Active Right-of-Way PermitsMetropolitan Government of Nashville and Davidson County · Nashville GISActive (valid / in process) issued Right-of-Way (ROW) permits for partial or full street, lane, or sidewalk closures, sidewalk cafes, excavations, driveway construction, or construction trailers/dumpsters in Davidson County. These permits may be related to con
  CSVGeoJSONShapefileKML+1Updated 10/27/2026