Septic System Installation & Repair in California

Septic system contractors design, install and repair the on-site wastewater systems used by homes that are not connected to a public sewer. Their work covers septic tanks, distribution lines, pumps and the drainfield (leach field) that treats water in the soil.

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Common septic system services include:

  • New septic system design and installation
  • Drainfield repair and replacement
  • Septic tank, baffle and lid repairs or replacement
  • Pump, alarm and filter repairs for pumped systems
  • Inspections for home sales and troubleshooting

Call a septic contractor if drains back up, sewage odors linger outside, the ground over the drainfield stays soggy, or you are building on a lot that needs a new system. Routine pumping has its own category.

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Top Professionals near California

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A-Plus Plumbers Long beach
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Long Beach, CA Septic System Installation & Repair

Plumbers Long Beach CA is a professional plumbing company offering comprehensive plumbing services for residential and commercial clients in the Long Beach area. The company specializes in plumbing repairs, installations, maintenance, and emergency plumbing solutions. Plumbers Long Beach CA is committed to providing reliable, efficient, and high-quality workmanship with a focus on customer satisfaction. With experienced and licensed technicians, the company aims to address a wide range of plumbing issues promptly and effectively. Serving the local community, Plumbers Long Beach CA strives to be a trusted partner for all plumbing needs.

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A1 Septic Services
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El Cajon, CA Septic System Installation & Repair

A1 Septic Services is a septic tank pumping company based in El Cajon, California, serving El Cajon, Alpine, Lakeside, and the greater East County San Diego area. We focus on delivering “5 Star” service by being clean, professional, prompt, and friendly, using strict safety standards and brand-new, compact equipment that operates quietly and protects driveways. In addition to septic pumping, the company provides Certification of Inspection for real estate transactions following a pump-out, examining inlet and outlet baffles, separator walls, lids, tank integrity, and leaching system performance, along with flow testing and repair recommendations. We also specialize in locating and digging out septic tank lids using modern transmitters and receivers for efficient access. A1 Septic Services is available 24/7 for emergencies (after-hours rates apply) and operates under CSLB #1080434.

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Abbott Septic Service
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San Marcos, CA Septic System Installation & Repair

Abbott Septic Service is a locally and family owned San Diego County septic contractor that has specialized in septic tank pumping, cleaning, repair, installation, locating, and certification of inspection since 1948. We deliver competitively priced, code-compliant work performed by highly experienced technicians—many with 20 years of experience and certifications from the Portable Sanitation Association International (PSAI) and the National Association of Wastewater Technicians (NAWT). As a licensed Class A general engineering contractor, the company handles all related construction, including excavation, grading, trenching, underground piping, backfilling, concrete/asphalt work, and leach field or seepage pit installation, and we are a long-standing member of the San Diego County Sewage Haulers Association. With tens of thousands of satisfied clients, an emphasis on honesty, integrity, and personalized service, and phones answered 24/7 (regular service hours 7am–4pm, Mon–Fri), Abbott Septic Service provides trusted septic system expertise across communities throughout San Diego County.

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Able Plumbing, Sewer & Drain
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San Jose, CA Septic System Installation & Repair

Able Plumbing, Sewer & Drain (Able General Engineering, Inc.) provides integrated underground and plumbing solutions across the San Francisco Bay Area, serving residential, commercial, and municipal clients with services including sewer and drain cleaning, video inspections, hydro-jetting, water heater work, septic pumping and repair, grease trap service, backflow testing, pump stations, confined space services, and underground construction. The company operates 24/7, is family-owned and locally operated, holds relevant engineering and contractor licenses (A License #979209, C42 License #677475), and is based at 1020 Ruff Drive, San Jose, CA with phone (408) 377-9990. (Source: Able Plumbing, Sewer & Drain — Contact / Home)

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Acosta & Sons Sewer Contractors
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Sun Valley, CA Septic System Installation & Repair

Acosta & Sons Sewer Contractors is a family-owned business that has been serving Southern California since 1971, specializing in sewer and septic system solutions. With over 50 years of expertise, the company provides services including sewer repair and installation, septic system repair and installation, and earthworks and excavation. Acosta & Sons is committed to quality craftsmanship and reliability, offering both residential and commercial clients professional solutions for sewer line issues, drainage problems, and septic system needs. Built on a foundation of family values and technical expertise, the company continues to serve Los Angeles and surrounding counties as a trusted partner for essential underground utility and sanitation services.

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Advanced Septic Pumping Service
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Citrus Heights, CA Septic System Installation & Repair

Advanced Septic Services LLC provides septic tank pumping, grease trap cleaning, hot-water hydro-jetting, video inspections, routine maintenance and repair services for homeowners and commercial clients across the Sacramento Valley; Advanced Septic Services LLC is a BBB A+ accredited business located at 7555 Auburn Blvd, Citrus Heights, CA, offers free over-the-phone estimates and consultations, and lists contact details including (916) 726-5150 and (530) 888-8960 on its website (Contact / About).

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All in Sanitation | Grease Trap Cleaning | Septic Pumping
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Los Angeles, CA Septic System Installation & Repair

All In Sanitation Services is a leading provider of septic, grease trap, and sanitation solutions serving residential, commercial, and municipal clients throughout California and Nevada. With 24/7 emergency availability, the company specializes in septic tank pumping, inspections, and cleaning, RV wastewater pumping, restaurant grease trap pumping, preventative maintenance programs, and eco-friendly waste management practices such as collecting used cooking oil for biodiesel production. All In Sanitation is committed to helping customers maintain code compliance, prevent costly plumbing issues, and support environmental sustainability. Equipped with advanced technology and highly trained technicians, the company delivers reliable and efficient sanitation services tailored to the needs of homeowners, businesses, and industries, while promoting greener waste disposal practices.

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All-American Septic Pumping & Services, Inc
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Valley Center, CA Septic System Installation & Repair

All-American Septic Pumping & Services is a veteran-owned, family-run septic company based in Valley Center serving residential and commercial customers across San Diego County. The company provides affordable septic solutions including routine septic pumping, inspections and certifications for real estate transactions, emergency pumping, minor repairs, maintenance planning, and waste hauling for domestic and industrial needs. We emphasize integrity, punctuality, honest pricing, and clear communication, offering online booking and knowledgeable support to help customers maintain system health, prevent costly damage, and extend the life of wastewater systems.

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AMC Contractors
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Corona, CA Septic System Installation & Repair

AMC Contractors, operating as So Cal Septics, is a family-owned septic system contractor based in the Inland Empire with over 30 years of experience since 1981. The company provides comprehensive septic tank services including installation, repair of leach lines and seepage pits, sewer hookups, septic inspections and certifications for real estate transactions or building permits, and septic tank pumping. AMC Contractors prides itself on its commitment to quality, customer satisfaction, and the use of the latest technology in septic tank care. The company offers free estimates and holds all required licenses to ensure reliable and trustworthy service. AMC Contractors serves Riverside and surrounding areas, emphasizing education about septic system maintenance and providing expert consultation through knowledgeable staff led by Paul Creamer.

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American Sanitation Inc
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Napa, CA Septic System Installation & Repair

American Sanitation Inc. is a family-owned and operated company based in Napa Valley, California, specializing in portable toilet rentals, luxury restroom trailers, and septic services throughout Northern California. The company serves a wide range of industries including construction sites, vineyards, and special events of all sizes. American Sanitation is committed to providing excellent customer service, timely deliveries, and competitive pricing. The company operates with a dedicated team of sales representatives, office personnel, and drivers who ensure high-quality service and customer satisfaction. Their service area includes many Northern California counties such as Alameda, Contra Costa, Marin, Napa, Sacramento, San Francisco, San Mateo, Santa Clara, Solano, Sonoma, and Yolo.

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Septic System Questions and Answers

What does a septic system contractor do?

A septic contractor installs new septic systems and repairs existing ones, including tanks, pipes, pumps, alarms and drainfields. Many also inspect systems for home sales and help owners understand the soil testing and design steps a new system requires.

What are signs my septic system needs repair?

Common signs include slow drains or backups throughout the house, sewage odors near the tank or drainfield, standing water or very green grass over the drainfield, and a pump alarm that keeps sounding. Pumping alone may not fix these problems if part of the system has failed.

How do I choose a septic contractor?

Look for a contractor experienced with the system types used in your area, ask how they will diagnose the problem before recommending replacement, and get written estimates. Septic work is often regulated locally, so ask what permits, soil tests or inspections the job requires and who handles them.

What affects the cost of septic installation or repair?

Cost depends on the size and type of system, soil and site conditions, the depth and accessibility of components, whether a pump or alternative treatment is needed, and local permit and design requirements. Restoring landscaping after excavation can also add to the total.

How should I prepare for septic system work?

Gather any records or diagrams of your system and know where the tank lid and drainfield are if possible. Keep vehicles off the system area, plan for reduced water use during the work, and make sure equipment can reach the site.