Blackburn Drainage and Construction, Inc is a family-owned and operated underground construction company specializing in septic system installation and repair throughout San Diego County. With over 40 years of experience, our trained professional staff will work quickly and safely to get your old system running again or your new system installed. We provide a range of septic services, including new construction, existing septic tank systems, seepage pits, leach field design, installation, or repair, and drainage outlet replacement. We also offer repair services for stone and pipe systems.