{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/deed-activity/52240/","name":"Deed activity for ZIP 52240 — Iowa City (IA), IA","description":"Deed activity data for ZIP 52240 (Iowa City (IA), Iowa), sourced from County recorders.","topic":{"slug":"deed-activity","label":"Deed activity","source":"County recorders","sourceUrl":"https://zipradar.org/methodology/","refreshCadence":"Daily filings ingestion","summary":"Pages show the count of deeds filed in the ZIP over the last 30/90/365 days. Homeowner names and signatures are never cached; aggregation is to ZIP counts only.","limitations":"Top-50 metros covered at launch. Many smaller counties require subscription or paid access; zipradar links to the recorder portal without caching personal data."},"place":{"zip":"52240","city":"Iowa City (IA)","state":"IA","stateFull":"Iowa","county":"Johnson County (IA)","countySlug":"johnson-county","geo":{"latitude":41.6611,"longitude":-91.5302}},"stateContext":{"topConcern":"Radon Zone 1, agricultural water nitrates","narrative":"Iowa is one of the highest-radon states in the US — uniformly Zone 1. Agricultural runoff drives EPA SDWIS nitrate violations in small rural systems and even Des Moines Water Works. Tornadoes peak April-June."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/deed-activity/52240/","zipDashboardUrl":"https://zipradar.org/zip/52240/","zipDashboardApiUrl":"https://zipradar.org/api/zip/52240/","primarySourceUrl":"https://zipradar.org/methodology/","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/deed-activity/52240/"}}