Town Hall Address 1385 Hartford Avenue Johnston, RI 02919 United States- Providence County Website https://www.townofjohnstonri.com/home.html Town Clerk 401-351-6618 United States Tax Collector 401-351-6618 United States Assessor 401-351-6618 United States Building 401-351-6618 United States Zoning 401-351-6618 United States Town Hall Hours Mon-Fri: 8:30 to 4:00 County Providence