Since 1991, Masterpiece Leaded Windows in Santee has manufactured custom triple-pane leaded glass panels from a production facility on Wheatlands Avenue equipped with CNC contour-cutting machines and tempering furnaces. New-construction builders coordinating exterior envelope upgrades integrate leaded glass as a design element alongside trades such as AVL Roofing Inc. on Buena Vista Avenue during the dry-in phase. The product line spans eight series, from the 100-series diamond cluster patterns to the 800-series star-bevel configurations, all constructed with genuine lead came and available with optional low-E glass for energy compliance. Curb-appeal packages that combine decorative leaded sidelights with entry-door surrounds frequently coincide with front-yard hardscape projects managed by firms like Stillson Landscaping in the 92071 ZIP. The company supplies panels to over 25 production homebuilders across Riverside, Orange, and San Diego counties, with distribution through JELD-WEN since 2004. The most intricate commissions involve multi-panel transoms with hand-soldered came joints, beveled floral clusters, and triple-pane insulated glass units rated to NFRC U-factor specifications.