Historic Locations > Old Spanish Trail/Mormon Road Historic District
Building and Safety DepartmentDevelopment Services Center333 N. Rancho DriveLas Vegas, NV 89106 (Map)Phone: (702) 229-6251 E-mail Business Hours: Monday to Thursday 7 a.m. to 5:30 p.m., Wednesday 7:30 to 5:30 p.m., CLOSED Friday.