Residential builder Mystic, CT We are the Premier General Contractor in New York, and Hollywood California, specializing in Commercial Construction, Hospitality Construction and Residential Construction. If you are in the market for construction services and want to have a superior experience, contact Greython Construction. Greython Construction is proud to announce that they will be building a new residence in New York. The project scope includes demolition of existing building, excavation, new foundations, framing, electrical, drywall, mechanical, masonry, custom siding, custom millwork and carpentry, new doors and windows Greython Construction is a national builder that provides general contracting, commercial and residential construction, construction management, and owners representative services for a broad range of clients. We specialize in retail, restaurants, hospitality, single and multifamily projects in the Northeast and California.