U.S. City Open Data Census
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Data about assessed property values including location, assessed value, taxes owed, and owner. Many US cities raise a substantial percentage of annual revenue via property tax assessment. Transparent public access to property assessment data helps keep city tax assessors accountable, allowing property owners to see how their property has been assessed relative to other parcels and providing explanatory context for property taxes owed and/or helping to justify appeals to assessments perceived to be unfair. Property assessment data also helps the public keep property owners accountable. (More info)
| Question | Answer | Comment |
|---|---|---|
| Openly licensed | Yes | |
| Available in bulk | Yes | |
| Up-to-date | Yes | |
| Available free online | Yes | |
| Available free of charge | Yes | |
| In an open format | HTML | |
| findable | 4 | |
| findable_steps | Open data portal under "Government Data". Also, searched site for "Assessor's office" | |
| licence_url | public website. data is governed by Missouri sunshine laws | |
| Collected by government | Yes | |
| usability | 2 | |
| collector_name | City of St. Louis Assessor's Office | |
| characteristics | Location (may be an address or parcel number), Land area, Property details (type, use, units, description, and/or built improvements, etc.), Assessed value, Taxes owed, Property owner | |
| location | https://www.stlouis-mo.gov/data/property-tax.cfm - City of St. Louis open data portal, https://www.stlouis-mo.gov/data/address-search/ - City of St. Louis Assessor's Office Property Search |
