Kosta and Son, Inc. is a family-owned design and build general contractor based in Worcester, Massachusetts, serving homeowners throughout the state. Founded in 2019 by Armando and his father, Kosta, the company builds on more than 35 years of family experience in homebuilding and stonework. Its approach combines design and construction, with an emphasis on listening to clients, clear communication, reliable service, and quality craftsmanship.

The company offers customized kitchen and bathroom renovations, as well as basement projects, patio renovations, and stonework. Kitchen remodels are tailored to clients’ preferred styles and practical needs, while bathroom projects focus on balancing functionality, appearance, and quality materials. Kosta and Son also handles design and build projects, guiding homeowners from the initial conversation and planning through construction and the final walkthrough. The company aims to make renovations more manageable by respecting clients’ homes and routines, keeping work areas organized, and addressing concerns throughout the process. Its goal is to create attractive, functional spaces shaped around each homeowner’s vision and lifestyle.