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Find Septic system installers and replacers in Los Angeles

Avatar for Owens Plumbing & Rooter, Inc.

Owens Plumbing & Rooter, Inc.

5.00(
7
)
•Approved Pro

Owens Plumbing & Rooter, Inc.

5.00(
7
)
•Approved Pro
8 years of experience
Free onsite estimate

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. We are also available for emergency calls 24/7.

"Owen's was fast and competent and completed my hot water heater to code with a permit."

Gordon P on November 2025

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. We are also available for emergency calls 24/7.

"Owen's was fast and competent and completed my hot water heater to code with a permit."

Gordon P on November 2025

Avatar for Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Roto-Rooter Plumbing & Water Cleanup

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
177 local quotes requested
90 years of experience

Roto-Rooter is a fully licensed and insured plumbing company providing 24/7 plumbing services, drain cleaning, and water damage cleanup. More people depend on Roto-Rooter than any other plumbing company in North America.

Roto-Rooter is a fully licensed and insured plumbing company providing 24/7 plumbing services, drain cleaning, and water damage cleanup. More people depend on Roto-Rooter than any other plumbing company in North America.

SHOWALTER'S SANITATION CO

4.93(
42
)

SHOWALTER'S SANITATION CO

4.93(
42
)
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Professional Quality Service Family owned and operated since 1945. Visit our website: www.showalterssanitation.com

"Technician was competent, helpful and clear. We would definitely hire them again."

Nancy B on August 2020

Professional Quality Service Family owned and operated since 1945. Visit our website: www.showalterssanitation.com

"Technician was competent, helpful and clear. We would definitely hire them again."

Nancy B on August 2020

PV Plumbing

No reviews yet

PV Plumbing

No reviews yet
33 years of experience

We will do a professional job in a timely manor.

We will do a professional job in a timely manor.

Homfix Inc.

5.00(
2
)

Homfix Inc.

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a Home Improvement and design Company that provides all type of home services from A to Z, Kitchen Remodel, Bathroom Remodel, Additions, Roof, Solar Panels, and ect..

We are a Home Improvement and design Company that provides all type of home services from A to Z, Kitchen Remodel, Bathroom Remodel, Additions, Roof, Solar Panels, and ect..

Avatar for Eco Technology

Eco Technology

No reviews yet

Eco Technology

No reviews yet
8 years of experience

ECO Technology is a provider of ecologically friendly technologies for homes and businesses. Specializing in Water Quality, Water Purification Systems, HVAC, Solar Energy and much more.

ECO Technology is a provider of ecologically friendly technologies for homes and businesses. Specializing in Water Quality, Water Purification Systems, HVAC, Solar Energy and much more.

The Gooden Group

No reviews yet

The Gooden Group

No reviews yet
45 years of experience

The Gooden Group is a full service real estate development and construction firm with the in-house expertise to execute virtually every facet of a project's life cycle. Through its central office and its affiliate companies, The Bedford Group, TMC Management, and Urban X Marketing, Gooden Group is also able to assume hands-on management of its properties, as well as implement the necessary sales and marketing activities for their new home communities.

The Gooden Group is a full service real estate development and construction firm with the in-house expertise to execute virtually every facet of a project's life cycle. Through its central office and its affiliate companies, The Bedford Group, TMC Management, and Urban X Marketing, Gooden Group is also able to assume hands-on management of its properties, as well as implement the necessary sales and marketing activities for their new home communities.

A A YOUNG'S PLUMBING

No reviews yet

A A YOUNG'S PLUMBING

No reviews yet
Avatar for Longo Plumbing and Rooter

Longo Plumbing and Rooter

3.00(
3
)

Longo Plumbing and Rooter

3.00(
3
)
35 years of experience

Longo Plumbing and Rooter has been family owned and operated for over 27 years. We can help you no matter how large or small your issue is. From leaky faucets, to water heater replacements, to repiping- we've got you covered.

Longo Plumbing and Rooter has been family owned and operated for over 27 years. We can help you no matter how large or small your issue is. From leaky faucets, to water heater replacements, to repiping- we've got you covered.

A&d total plumbing

No reviews yet

A&d total plumbing

No reviews yet
21 years of experience

We have been in business since 2004 with a A rating with the better business bureau. We use menu pricing which you will have upfront pricing that won't change.

We have been in business since 2004 with a A rating with the better business bureau. We use menu pricing which you will have upfront pricing that won't change.

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FAQs for septic system installation and replacement projects in Los Angeles, CA

The smallest standard septic system uses a 500-gallon tank, which costs between $875 and $1,150 installed. This size works well for single-occupant dwellings with minimal wastewater production. However, many local regulations specify minimum tank sizes, so check with your building department before committing to this compact option. Some jurisdictions require at least 750 gallons regardless of home size to ensure adequate waste processing capacity.

The installation timeline varies based on site conditions, permit processing, and contractor schedules. The process includes obtaining permits, conducting soil tests, excavation, tank placement, leach field construction, and final connections. Weather conditions, soil challenges, and inspection scheduling can all affect the overall timeline. It's wise to begin planning well in advance of when you need the system operational.

The most economical approach is to install a conventional anaerobic system with a plastic tank. To minimize costs while maintaining legality, obtain multiple quotes from licensed installers, consider scheduling during their slower seasons, and handle basic site preparation yourself. Never skip permits or required testing to save money—illegal installations can result in significant fines and mandatory removal, ultimately costing far more than doing it right initially.

Regular pumping helps prevent system failures and extends operational life. Most small systems require pumping every three to five years, though frequency depends on household size and usage patterns. Pumping services cost between $290 and $530, making this maintenance expense relatively minor compared to potential repair costs ranging from $500 to $2,600 for neglected systems. Establishing a regular maintenance schedule based on your installer's recommendations helps avoid costly emergency services.

The Los Angeles, CA homeowners’ guide to septic system installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.

See all articles