About Company

Costello Door & Millwork Company is a Washington, Pennsylvania–based manufacturer of custom architectural millwork and premium doors, producing doors, glasswork, mouldings, ecclesiastical pieces and related components for residential and institutional clients; the company combines traditional craftsmanship with CAD/CNC technology, uses kiln-dried domestic and imported hardwoods sourced from the region, provides in-house finishing and custom reproduction of historic profiles, and operates with the stated goal “to build the finest product at the most reasonable cost” (see https://www.costellodoor.com/, https://www.costellodoor.com/doors, https://www.costellodoor.com/mouldings).

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