Public endpoint
Complete CSV export
All 796 records with source values, both calculated scenarios, coordinates, assessment year, and canonical record URL.
/api/properties.csvDownload CSVDownloads and syndication
Take the public data with you.
The site is an interface, not a gate. Download the complete cleaned dataset, query the JSON representation, subscribe to analysis, or crawl the canonical sitemap.
Public endpoint
Property JSON API
A machine-readable dataset envelope with source date, methodology and limitations links, record count, and all public records.
/api/properties.jsonOpen JSONPublic endpoint
Verified site facts
Reported and calculated facts used for the homepage and civic-context analysis, including source names and links.
/api/site-facts.jsonOpen facts JSONPublic endpoint
Analysis RSS feed
The five launch articles and future published analysis in RSS 2.0 format.
/rss.xmlOpen RSSField and reuse notes
Source-reported property fields remain distinguishable from Des Moines Property Watch calculations. The JSON and CSV files include fullAssessedValue, taxedPortion, netExemptValue, residentialScenario, and commercialScenario.
You may use the exports for research, reporting, education, and civic projects with attribution to the Polk County Assessor as the underlying public source and Des Moines Property Watch for the cleaning and scenario methodology. Verify consequential use against the primary record.
The endpoints are read-only and may be rate-limited if automated traffic threatens availability. For bulk use, download one CSV rather than repeatedly crawling 796 record pages.