JJC Design Build Inc., located in Concord, CA, offers tailored design and construction services for residential and commercial clients across East and South Bay, CA, including Alameda and Contra Costa Counties. As a locally owned and operated company with over 30 years of combined experience, our skilled team of designers, engineers, and builders is prepared to support you with your upcoming project. We are well-versed in zoning codes, liaising with local authorities, and securing required permits.