Key Takeaways

  • Pennington County approved use of Deckard Technologies to identify unlicensed vacation rentals using publicly available listing data
  • STR operators have six months from June 3 to obtain a $150 three-year license before facing $200-per-day fines
  • The move signals that AI-powered compliance tools are now reaching small and mid-size county governments, not just major metros

Pennington County, South Dakota just gave unlicensed short-term rental operators a deadline, and has a surveillance system to back it up. The county seat of Rapid City sits near the Black Hills and Mount Rushmore, making the surrounding area a prime vacation rental market that local officials have clearly decided is too big to police manually.

According to a KOTA TV report, the Pennington County Board of Commissioners approved an agreement on June 3 letting the Planning and Zoning Department deploy Deckard Technologies.

The tool is an analytics and short-term rental compliance platform that pulls publicly available data to map listing activity, booking trends, rental rates, property ownership, and license status.

It can flag properties operating without a required license or those running over occupancy limits.

What the six-month grace period means for STR operators

Owners have six months from the June 3 approval to apply for a license before enforcement begins. A three-year license costs $150.

Operating without one costs $200 per day once that window closes. For anyone currently running an unlicensed rental and ignoring the county’s outreach, even a short enforcement stretch could wipe out months of booking revenue.

Related: Massachusetts town ties short-term rental occupancy limits to septic capacity

The move fits a broader pattern of local governments trading manual enforcement for software-driven detection.

Platforms like AirDNA have normalized data-layer oversight, and tools like Deckard are now giving county planning departments the same visibility that was once reserved for larger metro jurisdictions.

Pennington County is not a major city — it’s a county of roughly 115,000 residents in western South Dakota — but its approach is the same playbook now appearing from Ohio metros to rural mountain counties.

Operators in Pennington County can submit the required license application online, by mail, by email, or in person through the Planning and Zoning Department.

With Deckard now actively scanning listings across platforms, any host still operating unlicensed when the six-month grace period expires this December will be easy to find.