16 verified septic companies across 5 cities in Stanislaus County. Compare ratings, services, and request free quotes from local providers.
Stanislaus County, California is home to a mix of agricultural land, growing suburban neighborhoods, and rural properties that rely heavily on private septic systems for wastewater management. This directory lists 16 verified septic service companies operating across 5 cities and communities in the county, giving property owners a practical starting point when they need pumping, inspection, repair, or new system installation. The county's Central Valley setting means soils can range from heavy clay in lower-lying areas to sandier loam near the foothills, which directly affects how septic systems are designed and how frequently they require maintenance. Stanislaus County's Environmental Resources Department oversees on-site wastewater systems, and homeowners are encouraged to keep their permits and inspection records current. Whether your property is in a denser area like Modesto or a more rural stretch outside Oakdale, connecting with a qualified local contractor is the first step toward responsible system management.
Modesto, CA
⭐ 5.0 (359 reviews)
Top Tier Plumbing Inc. is a family-owned and operated plumbing contractor serving Modesto, CA and surrounding communities throughout Stanislaus County, including Ceres, Manteca, Riverbank, Salida, Stockton, Tracy, and Turlock. The company offers a comprehensive range of residential and commercial plumbing services, including drain cleaning, piping and repiping, trenchless sewer repair, water line repair and replacement, water heater installation and repair, tankless water heaters, gas lines, and fixture services. Top Tier Plumbing provides 24-hour emergency services, ensuring licensed and insured plumbers are available around the clock to handle burst pipes, sewer backups, and other urgent plumbing issues. As a licensed, insured, and family-run business, the company emphasizes integrity, honesty, and long-lasting customer relationships. With over 1,200 jobs completed and more than 1,600 customers served, Top Tier Plumbing has built a strong reputation for quality workmanship and exceptional customer service in the Modesto area. Financing options are available through Wisetack. Contact Top Tier Plumbing Inc. at (209) 484-0600 or visit their website to request an estimate.
Modesto, CA
⭐ 5.0 (50 reviews)
Oakdale, CA
⭐ 5.0 (4 reviews)
Hughson, CA
⭐ 5.0 (1 reviews)
Clark Septic Service Inc., a family-owned business established in 1948, provides comprehensive septic services to residential, commercial, and industrial customers in Stanislaus and San Joaquin Counties, CA, including Modesto and Tracy. They specialize in septic tank pumping and cleaning, ensuring systems operate efficiently. The company also offers grease trap pumping, lift station pump services, and septic system inspection and certification, particularly for real estate transactions. With three pump trucks, they pride themselves on faster response times. Clark Septic Service Inc. handles waste disposal legally at licensed wastewater facilities and provides emergency services for urgent needs. Their certified specialists are trained in all aspects of on-site wastewater maintenance, from primary treatment in septic tanks to secondary treatment in drain fields.
Denair, CA
⭐ 5.0
Yates Wastewater Services Inc. is a septic service company based in Oakdale, California, proudly serving Stanislaus County and the greater Turlock area. With roots going back to 1952, the company brings decades of hands-on experience to every job. Their services include septic installation, septic repairs, hydrocleaning for septic lines, and aerobic home unit services. Yates Wastewater Services stands behind their work with a one-year warranty on all services completed, giving customers added peace of mind. The team offers free estimates and works to schedule fast appointments, making it easy for homeowners and property owners to get the help they need without delay. Known for quality workmanship and reliable results, Yates Wastewater Services Inc. has built a long-standing reputation in the community for dependable septic solutions. Those in Stanislaus County looking for experienced septic contractors can reach the team by calling 209-845-1500.
Modesto, CA
⭐ 4.8 (37 reviews)
I.J. Larsen Pumps, Inc. is a 24-hour business that specializes in installing and repairing residential, industrial, commercial and agricultural water well pumps. If you?re a realtor we do offer water testing and pump inspections. We also offer crane truck services.
Oakdale, CA
⭐ 4.6 (23 reviews)
Mountain Valley Pumping is a septic service provider based in Oakdale, California, serving the local community with professional pumping and maintenance solutions. The company has earned a strong 4.6-star rating on Google from 23 customer reviews, reflecting its commitment to reliable service and customer satisfaction. Mountain Valley Pumping specializes in septic tank care, helping residential and commercial property owners maintain properly functioning systems. With a focus on dependable workmanship and local expertise, the company continues to build its reputation in the Oakdale area as a trusted septic service partner.
Modesto, CA
⭐ 4.5 (60 reviews)
Discount Plumbing Heating and Air is a family-owned plumbing and HVAC company serving Stockton, Manteca, Modesto, Tracy, and surrounding areas of Northern California for more than 25 years. The company offers a comprehensive range of services including plumbing repairs and installation, drain cleaning, sewer line services, water heater installation, tankless water heater repair, trenchless pipe repair, video pipe inspection, gas lines, garbage disposals, and water quality solutions. Heating and air conditioning services are also available for both residential and commercial customers. Discount Plumbing operates 24 hours a day, seven days a week, including weekends at no extra charge, making them a reliable option for emergency plumbing situations. The company provides free estimates, same-day service, flat-rate up-front pricing, and financing options. Their technicians undergo industry-leading training and a continuous improvement program to ensure quality workmanship on every job. Customers can find coupons and special offers on their website to help reduce service costs.
Hughson, CA
⭐ 4.3 (4 reviews)
Clark's Septic Service Inc., a family-owned business established in 1948, provides top-rated septic cleaning and pumping services in Modesto, CA, and the surrounding Stanislaus and San Joaquin Counties. They offer a variety of affordable services for residential, commercial, and industrial customers, specializing in septic tank and grease trap pumping. Their trained technicians are equipped to handle all aspects of on-site wastewater maintenance, including pumping, cleaning, and emptying septic tanks, as well as providing sewer lift station services to prevent clogs and breakdowns. Clark's Septic Service also offers septic system inspection services, particularly for real estate transactions, with certified specialists. They ensure proper waste disposal at licensed wastewater facilities and provide emergency services for urgent needs.
Modesto, CA
⭐ 5.0 (7 reviews)
Applegate Septic & Sewer is your provider of septic system services, septic tank repair, septic tank maintenance, and septic tank pumping in San Ramon, CA.
Modesto, CA
⭐ 5.0 (2 reviews)
Watson Backhoe & Septic Install Services is a professionally licensed and fully insured contractor serving the greater Modesto, California area and surrounding communities in Stanislaus and San Joaquin Counties for over 30 years. Owner-operators Brad and Scott Watson provide residential, agricultural, and commercial services including complete septic system installations, excavation, trenching, hauling, dump truck services, concrete demolition, and removal. Their service area spans a wide region including Turlock, Merced, Riverbank, Oakdale, Waterford, Escalon, Ripon, Tracy, Manteca, Stockton, and Lodi. With more than three decades of hands-on experience and a Contractor's A License on file, Watson Backhoe brings reliable expertise and competitive rates to every project. Customers looking for a trusted, long-established local company for septic installs or excavation work in the Central Valley can reach the team directly by phone or email to request a quote.
Modesto, CA
⭐ 4.8 (123 reviews)
Call AAA Backhoe at (209) 529-9291, Monday - Friday, 8:00 AM to 5:00 PM. Best contractor for septic tank installation and repairs, excavating, demolition, grading and utility trenching. Located at Our address is 2125 Wylie Dr. Suite #6, Modesto, CA, serving Merced, Stanislaus & San Joaquin County: Oakdale, Escalon, Ceres, Salida, Riverbank.
Salida, CA
⭐ 4.8 (44 reviews)
# Pro Pumping Septic Service Pro Pumping is an owner-operated septic service provider serving Modesto, California and surrounding communities. With a 4.8-star rating from 44 customer reviews, the company has built a reputation for reliable, personalized septic system solutions for both residential and commercial clients. The company offers comprehensive septic services including tank pumping, cleaning, maintenance, site inspections, and repairs. Pro Pumping serves homeowners, restaurant owners, and commercial accounts, with expertise in pre-purchase inspections for home buyers and pre-installation assessments for new septic systems on rural properties. As an owner-operated business, Pro Pumping emphasizes direct accountability and quality workmanship backed by their established reputation in the community.
Denair, CA
⭐ 4.0
Modesto, CA
A Action Septic is a septic service provider based in Modesto, California, offering maintenance and repair solutions for residential and commercial septic systems. As a local business serving the Modesto area, the company is dedicated to helping property owners maintain properly functioning wastewater treatment systems. With expertise in septic tank care, A Action Septic addresses common issues including pumping, inspections, and system repairs. The company focuses on delivering reliable service to keep septic systems operating efficiently and prevent costly problems. Property owners in the Modesto region can rely on A Action Septic for professional septic system support and maintenance needs.
Hughson, CA
Stanislaus County's septic landscape reflects its dual character as both an agricultural region and a fast-growing suburban corridor in California's Central Valley. Many rural parcels feature older conventional gravity-fed systems installed decades ago, while newer subdivisions on the county's edges may include pressure-distribution or pump-assisted systems designed to meet updated state standards. Properties on flat, low-permeability clay soils sometimes require alternative systems with engineered drain fields or mound configurations to achieve adequate effluent dispersal. Seasonal factors also play a role: the region's hot, dry summers can stress drain fields, while wet winters may raise localized water tables in certain low-lying areas, affecting how systems perform. Homes on acreage outside city sewer boundaries in communities like Hughson and Oakdale are particularly common candidates for routine septic maintenance, and older homes in established Modesto neighborhoods may have tanks that have gone many years without inspection.
In Stanislaus County, on-site wastewater treatment systems are regulated primarily by the Stanislaus County Environmental Resources Department, which operates under the framework established by California's statewide Title 5 and local ordinances. Permits are generally required for new system installation, major repairs, tank replacements, and alterations to existing systems. At the point of sale, many real estate transactions in unincorporated areas of the county trigger a septic inspection requirement, though specific conditions can vary depending on system age, location, and local rules in effect at the time. Homeowners looking for current permit applications, inspection requirements, and approved system designs should contact the county's Environmental Resources Department directly, as requirements and procedures are updated periodically. The State Water Resources Control Board also sets baseline standards for septic systems throughout California that local agencies must follow. Always verify current requirements with your local health department.
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