Stock Building Supply operates as a windows and doors supplier in Santa Barbara, but I'm writing this profile with very little evidence to go on. Their Houzz presence shows zero reviews, no rating history, and just a single project photo tagged "impact-window"—which tells me they've done at least some work, but leaves nearly everything else to guesswork. In 27 years working with material suppliers across the county, I've learned that the quiet ones sometimes do solid wholesale trade work without chasing the consumer spotlight, but I can't confirm that here.
The listed phone number connects you to their Santa Barbara location, and the "Windows & Doors" service category is straightforward enough. What's missing is any pattern of client feedback, project variety, or timeline data that would let me tell you whether they're reliable for residential remodels or primarily serve commercial builders. If you're considering them for window replacement or door installation, ask for local references directly and verify their contractor license status with CSLB before signing anything. Without review trends or completed project details, I can't offer my usual confident take.