County report card · Missouri
Jefferson County, Missouri
ProtectedAudited 2026-08-24
County website Vendor (DevNet / GovOS) prohibits automated data harvesting
- Population
- 231,888
- Portal
- Assessor & Recorder
- Portal vendor
- DevNet / GovOS
What the audit checked
Four low-cost protections every online records portal can have. How we rate counties.
- robots.txtYes — permissive
- Terms of useNot checked
- Bot challengereCAPTCHA
- Owner notificationUnknown
Portal audited: tapestry.fidlar.com/Tapestry2/Search.aspx, jeffersonmo-assessor.devnetwedge.com/, tapestry.fidlar.com, jeffersonmo.devnetwedge.com/, www.jeffcomo.org/168/GIS-Data-Maps
Doing well
- Technical barriers (recaptcha) that deter casual bulk access
Room to grow
- Expanding the robots.txt file to disallow automated scrapers
What to ask for
Building on the protections already in place, you might consider a property-owner notification system (like the ones AZ, FL, HI, IL, and UT have implemented) and a formal data-governance policy that addresses commercial data aggregators.
The full playbook is What Counties Can Do.