17 verified septic companies across 7 cities in Sonoma County. Compare ratings, services, and request free quotes from local providers.
Sonoma County, California is home to a wide range of residential and rural properties that rely on private septic systems for wastewater management. This directory lists 17 verified septic service companies operating across 7 cities and towns in the county, making it straightforward to find local providers for pumping, inspection, installation, and repair. Much of Sonoma County sits on rolling terrain with clay-heavy soils, particularly inland from the coast, which can affect how septic systems are designed and how drain fields perform over time. The county's mix of older agricultural properties, wine-country estates, and suburban neighborhoods means septic needs vary considerably from one parcel to the next. Homeowners in unincorporated areas are especially likely to depend on on-site systems rather than municipal sewer connections, making access to qualified local septic professionals an ongoing practical need.
Rohnert Park, CA
⭐ 5.0 (2 reviews)
Vineyard Septic is a highly experienced company with over 20 years in the septic industry, serving domestic, industrial, and commercial markets. They offer a comprehensive range of septic services, including full septic service, sewer line cleaning, septic system repairs, hydro-jetting, and electronic tank locating. Vineyard Septic prides itself on being licensed, bonded, and committed to customer satisfaction, all while providing affordable prices. They are dedicated to meeting the diverse needs of their clients with their extensive expertise and reliable solutions. Customers can easily request a free estimate by calling them directly.
Santa Rosa, CA
⭐ 4.9 (120 reviews)
Santa Rosa, CA
⭐ 4.7 (114 reviews)
Sonoma, CA
⭐ 4.0 (4 reviews)
Wine Country Sanitary is a septic and sanitation service provider serving Sonoma and Napa County, California, with over 30 years of industry experience. The company offers domestic and commercial septic tank pumping, repairs, and replacements, as well as sump pump services and mound system purging and balancing. Additional services include restaurant grease trap pumping available on weekly, bi-weekly, or monthly schedules, RV holding tank pumping, winery wastewater management, and portable toilet rentals for job sites and special events. Wine Country Sanitary also conducts site inspections and findings reports for Sonoma County self-monitoring requirements and property sales or purchases. Their portable toilet inventory includes standard, ADA handicapped, sink, and VIP restroom units. Emergency services are available outside of regular business hours, which run Monday through Friday from 8am to 4pm. The company can be reached by phone at (707) 996-4331 or by email, and is based out of Sonoma, CA.
Sebastopol, CA
L.J. Construction is a trusted partner in septic services and general engineering, serving Sebastopol, Santa Rosa, and surrounding areas with over a decade of experience. They offer a full suite of services for both commercial and residential properties, ensuring quality, safety, and satisfaction. Their expertise includes new septic installations, where they design and install customized systems from initial site evaluation to final installation, ensuring compliance with local regulations. L.J. Construction also provides prompt and effective septic repairs for issues such as clogged pipes, tank leaks, or drainage field problems, utilizing advanced diagnostic tools to restore system functionality. Additionally, they specialize in septic pumping and maintenance, pre-treatment systems, and site work, including the installation of GeoFlow drip disposal fields. L.J. Construction is available for 24-hour emergency service, addressing urgent septic needs in Napa, Sonoma, Marin, Lake, and Mendocino Counties.
Guerneville, CA
⭐ 5.0 (25 reviews)
Rohnert Park, CA
⭐ 5.0 (1 reviews)
Santa Rosa, CA
⭐ 5.0 (1 reviews)
Sonoma, CA
⭐ 5.0 (1 reviews)
Santa Rosa, CA
⭐ 4.9 (955 reviews)
Mr. Rooter Plumbing of Sonoma County, based in Santa Rosa, California, is a highly-rated plumbing service provider serving the local community. With an impressive Google rating of 4.9 stars from 925 customer reviews, the company has established a strong reputation for reliable and professional service. Mr. Rooter Plumbing specializes in addressing residential and commercial plumbing needs, including septic system maintenance and repair. The company's consistent high ratings reflect customer satisfaction with their workmanship and service quality. Mr. Rooter Plumbing of Sonoma County remains a trusted choice for homeowners and businesses seeking dependable plumbing solutions in the Santa Rosa area.
Santa Rosa, CA
⭐ 4.6 (9 reviews)
BDK Septic Service has been serving residential and commercial customers throughout Sonoma County, California since 1994. Based in Santa Rosa, the company offers a comprehensive range of septic services including septic pumping, repairs, maintenance, inspections, line locating, pretreatment, and support for engineered systems such as AdvanTex and Norweco units. BDK Septic Service holds multiple credentials, including NAWT certification for septic tank inspections, a C-42 contractor license, and certifications as a service provider for AdvanTex, Norweco, and SludgeHammer systems. The team is also licensed and certified for alarm troubleshooting, line locating, and camera diagnostics, and is bonded and insured. Customers buying or selling a home can rely on BDK for certified escrow inspection reports. The company responds promptly to septic emergencies and uses state-of-the-art technology to diagnose and resolve system issues. With decades of experience and a commitment to eco-friendly practices, BDK Septic Service is a trusted choice for dependable septic care in the Santa Rosa and greater Sonoma County area.
Santa Rosa, CA
⭐ 4.4 (19 reviews)
BC Engineering Group is a multidisciplinary civil engineering firm serving residential, commercial, agricultural, and industrial clients across Sonoma County, Napa County, and Marin County in Northern California. The company specializes in wastewater systems design and permitting alongside a broad range of services including civil engineering, land planning, landscape architecture, grading, drainage, roadway design, erosion and sediment control, and wildfire recovery. Their professional engineers and architects bring expertise in site master planning, vineyard development, winery and brewery development, and construction management. BC Engineering Group serves communities throughout the region including Santa Rosa, Healdsburg, Petaluma, Sebastopol, Napa, San Rafael, and surrounding areas. The firm is known for its innovative and flexible design approach, strong attention to detail, and commitment to reducing project costs while increasing property value. Clients can reach the team directly at (707) 542-4321 for project inquiries and consultations.
Healdsburg, CA
⭐ 4.2 (5 reviews)
Cotati, CA
⭐ 3.8 (17 reviews)
Roy's Sewer Service has been a trusted name in drain cleaning and septic services for over 40 years, serving Marin, Sonoma, and Napa counties since 1968. As a third-generation family-owned business, they pride themselves on providing quality service and tackling even the most difficult jobs with their specialized technicians and equipment. Roy's Sewer Service offers expert drain cleaning and CCTV pipe inspection, with NASSCO certified technicians for thorough sewer line assessments. They also provide septic pumping and cleaning for residential and commercial clients. Their commercial services extend to public works, housing, and commercial development projects, including emergency response and routine maintenance programs for sanitation districts. Beyond pipes, they offer plant service, hydro excavation, daylighting, smoke testing, and consulting, making them a comprehensive solution for various sewer and septic needs.
Santa Rosa, CA
⭐ 3.2 (11 reviews)
Hogan Land Services is a full-service land development company serving all of California, with offices in Santa Rosa, Santa Cruz, and Livermore. With over 20 years in business, the company offers a comprehensive range of services including septic design, building design, civil engineering, structural engineering, land surveying, planning assistance, and permit assistance. Their septic services are part of a one-stop approach to property development, helping homeowners, developers, and property owners navigate the permitting process from start to finish. Hogan Land Services works directly with county agencies to streamline entitlements and get permits issued as efficiently as possible. The team brings together multiple disciplines under one roof, making them a trusted resource for projects ranging from accessory dwelling units and subdivisions to commercial developments and vineyard projects. Property owners looking for reliable septic design support alongside broader land development expertise can reach Hogan Land Services at 877-544-2104.
Santa Rosa, CA
Drew Underground Construction Inc is a licensed septic and onsite wastewater contractor serving residential and commercial clients in Sonoma and Marin Counties, California. With 30 years of experience in the industry and a California Contractors License number 484067, the company brings a high level of expertise and local knowledge to every project. Drew Underground Construction specializes in a wide range of wastewater system installations and repairs, including standard septic systems, mound systems, drip irrigation systems, sand filter systems, Advantex pretreatment systems, and Biomicrobics solutions. Whether a property requires a straightforward installation or a more complex advanced treatment system, the team has the skills and equipment to handle the job. Their decades of hands-on experience in the North Bay region make them a trusted choice for homeowners, businesses, and developers looking for reliable underground construction and septic services.
Sonoma, CA
Walker Septic Services is a septic system provider located in Sonoma, California. The company serves the local community with septic-related services and solutions. As a newer listing on SepticTankHub.com, Walker Septic Services does not yet have customer reviews or a Google Rating. Prospective clients interested in learning more about their service offerings and availability are encouraged to contact the company directly through the directory or local channels. The business aims to support Sonoma-area residents with their septic system needs.
Sonoma County's septic landscape reflects the region's varied land use. Rural and semi-rural parcels throughout the county's unincorporated areas commonly rely on conventional gravity-fed systems, while properties on steeper terrain or with shallower soils may require pump-up systems or pressure-dosed drain fields. Older homes, particularly those built before modern septic codes were widely enforced, sometimes have aging cesspools or undersized tanks that may need upgrading. Seasonal rainfall patterns in California also play a role: wet winters can raise local water tables, stressing drain fields and slowing soil absorption. During dry summer months, ground shifting in clay soils can affect system components. Alternative treatment systems, including aerobic treatment units, are used on lots where standard drain fields are not feasible due to soil conditions or lot size. Understanding the specific system type on a given property is important for scheduling appropriate maintenance.
Septic system permits and oversight in Sonoma County fall primarily under the Sonoma County Department of Health Services, which administers regulations for on-site wastewater treatment systems in unincorporated areas of the county. Incorporated cities may have their own requirements or defer to the county. California state guidelines, including standards set by the State Water Resources Control Board, also apply, particularly for systems near sensitive water bodies or in areas with special groundwater concerns. When a property with a septic system is sold, a pre-sale inspection or disclosure is typically required, and some lenders may independently require a system evaluation before closing. Homeowners planning to install a new system, expand an existing one, or make significant repairs must generally obtain a permit before work begins. Permit applications typically involve a site evaluation and system design review. Always verify current requirements with your local health department.
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