Twin Cities Police Authority 5725 Paradise Dr, Corte Madera, CA94925 The Twin Cities Police Authority is temporarily housed on Paradise Drive. Construction on a new facility at 250…More Doherty Dr. in Larkspur is underway. The department is responsible for protecting the public from crime, disaster preparedness and much more. It also hosts Explorer Scouts, Special Olympics and Alzheimer's programs. Visit the website for neighborhood crime statistics, news alerts and more.