U.S. City Open Data Census
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Records about property sales, mortgages, and foreclosures. This data can help the public understand real-estate trends in their city, and can help keep owners of specific properties accountable to the community. (More info)
| Question | Answer | Comment |
|---|---|---|
| Openly licensed | Yes | |
| Available in bulk | Yes | |
| Up-to-date | Yes | The ITSPE data is updated via ETL, weekly. |
| Available free online | Yes | |
| Available free of charge | Yes | Freely available however option to create an ArcGIS Online account in order to build web maps using ArcGIS Online. |
| In an open format | CSV, GeoJSON, JSON, SHP | |
| findable | 3 | |
| findable_steps | search keywords property, sales, tax, assessments | |
| licence_url | https://creativecommons.org/licenses/by/4.0/ | |
| Collected by government | Yes | Government of the District of Columbia |
| usability | 3 | There are some tables that would need to be related. |
| collector_name | Government of the District of Columbia | Shared by the DC Office of the Chief Technology Officer who administers https://opendata.dc.gov. The data comes from originating agencies: Office of Tax and Revenue, Office of the Chief Financial Officer, and Department of Consumer and Regulatory Affairs. |
| characteristics | Address or location, Date, Amount of money involved | |
| location | https://opendata.dc.gov/datasets/integrated-tax-system-p - ITSPE Property Sales, https://opendata.dc.gov/datasets/integrated-tax-system-p - ITSPE - All Fields, https://opendata.dc.gov/datasets/integrated-tax-system-p - ITSPE Vacant Properties, https://opendata.dc.gov/datasets/integrated-tax-system-p - ITSPE Tax Rate Codes, https://opendata.dc.gov/datasets/integrated-tax-system-p - ITSPE Mixed Tax Types, https://opendata.dc.gov/datasets/integrated-tax-system-d - ITS Data Dictionary, https://opendata.dc.gov/pages/lots-in-dc - Property Lots Open Data Page - Informationl, https://opendata.dc.gov/pages/changes-in-lots - Changes in Lots Open Data Page - Informational | Data for property sales comes from the Office of Tax and Revenue. This includes appraised value (prior and current), tax rates, type of property, last sale date, last sale price and deed date. There is no mortgage or foreclosure data. Adding related data for vacant properties, usecodes, tax rate codes and mixed type codes. For informational purposes including descriptive narratives as web pages (remove if not appropriate). |
