J & A General Contractor was built with the commitment to ensure costeffectiveness and high-quality in every home improvement project we are hired to work on for the community of San Lorenzo, CA, and the surrounding areas. Our company was founded under the great values of: Professionalism Commitment Diligence Cost-Effectiveness Contact our team today and get a free estimate for any of the services that we offer. We are more than ready to start working on your projects, our goal is to exceed your expectations and always provide you with the best quality. Contact our professional and reliable company today to save time and money on your upcoming home improvement project!