To hire a reliable commercial glass & curtain wall installation contractor in East Providence: (1) Get 3 written quotes with line-item breakdowns, (2) Verify RI license at Rhode Island Contractors Registration (crb.ri.gov), (3) Confirm active general liability and workers' comp insurance, (4) Check Google and BBB reviews specific to East Providence projects, (5) Never pay more than 10-30% upfront — never pay in full before completion.
Full Explanation
Red flags specific to East Providence contractors: no physical East Providence-area address, pressure to start immediately, cash-only payment demands, and license numbers that don't verify at Rhode Island Contractors Registration (crb.ri.gov). Seasonal demand during summer brings out less reputable contractors.