Serving the Big Bear Valley area, Corner Stone Construction performs all levels of building/remodeling, including design and start-to-finish solutions Corner Stone Construction is a General Contracting firm specializing in building new homes, and in interior and exterior home renovations, including additions, bathroom and kitchen remodeling, garages, siding, decks, and more! We guarantee high-quality construction and quality craftsmanship for every project. Corner Stone Construction is family owned and operated and serves all of the Big Bear Valley. Corner Stone Construction is a member of the Big Bear Lake Chamber of Commerce, the Fawnskin Chamber of Commerce, and the Big Bear Valley Contractor's Association.