2060 Llano Rd, Santa Rosa, CA 95407
Drew Underground Construction Inc has served Sonoma County and Marin County for 30 years, providing septic system services to the Santa Rosa area and surrounding communities. Licensed under #484067, the company brings three decades of experience to residential and commercial septic work.
The company is known for maintaining clean work sites and completing jobs efficiently, which are priorities for homeowners seeking reliable septic service. Drew Underground Construction Inc handles the septic needs of properties across the North Bay region, from Santa Rosa through Marin County.
Homeowners in Sonoma and Marin counties can contact Drew Underground Construction Inc for septic system services backed by 30 years of local expertise.
Sonoma County, Marin County
Address
2060 Llano Rd, Santa Rosa, CA 95407Last verified: 2/22/2026