Develop, no. Host, yes. They should buy, own, and operate any technology like this on-prem. The only involvement that 3rd-party tech should have is sales, tech

Develop, no. Host, yes. They should buy, own, and operate any technology like this on-prem. The only involvement that 3rd-party tech should have is sales, tech support, and maybe blind, encrypted backups accessible only by the municipality.