Direct Answer
To hire a reliable commercial glass & curtain wall installation contractor in Casper: (1) Get 3 written quotes with line-item breakdowns, (2) Verify WY license at Wyoming Contractors License (wyoming.gov), (3) Confirm active general liability and workers' comp insurance, (4) Check Google and BBB reviews specific to Casper projects, (5) Never pay more than 10-30% upfront — never pay in full before completion.
Full Explanation
Red flags specific to Casper contractors: no physical Casper-area address, pressure to start immediately, cash-only payment demands, and license numbers that don't verify at Wyoming Contractors License (wyoming.gov). Seasonal demand during summer brings out less reputable contractors.
Local Factors in Casper
📍Verify license: Wyoming Contractors License (wyoming.gov)
📍File complaints: Wyoming Contractors License (wyoming.gov)
📍Homeowner protections under WY consumer protection law
📍BBB Greater Casper chapter for complaints history