zipradar

Deed activity · ZIP 57101

Deed activity in Sioux Falls, SD

ZIP 57101 (South Dakota) — deed activity summary sourced from County recorders. Refreshed on the cadence of the primary regulator with every claim cited to the source record.

Source: County recordersLast verified 2026-05-13 · methodology

What lands here

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.

Source & refresh

County recorders. Refreshed daily filings ingestion. Stale data is flagged, never silently served. Primary source →

Limitations specific to this source

Top-50 metros covered at launch. Many smaller counties require subscription or paid access; zipradar links to the recorder portal without caching personal data.

South Dakota context

Radon Zone 1, agricultural water, tornadoes

South Dakota is uniformly Zone 1 radon. Agricultural runoff drives EPA SDWIS nitrate compliance pressure in small rural systems. Tornado risk peaks April-June.

See South Dakota state page for the full state-level rollup across all 12 dimensions.

Read more on deed activity

Editorial deep-dives explaining the source data, its limits, and how to read it.

Full dashboard for ZIP 57101

Deed activity is one of twelve dimensions zipradar federates per address. See the full federated summary for ZIP 57101:

Open Sioux Falls, SD dashboard →