Best septic tank pros near Downey, CA

Q: Are septic tanks and cisterns interchangeable?

• <div><p>Cisterns can be used as septic tanks, but septic tanks can&rsquo;t be used as cisterns. This is because cisterns need to meet FDA standards for drinking water, but septic tanks aren&rsquo;t required to meet those standards since they are only used for wastewater.</p></div>

Q: What is the most cost-effective or least expensive type of septic system?

• <div><p>Conventional anaerobic septic systems are the most cost-effective and least expensive type, with installation costs typically ranging from $3,000 to $8,000. For comparison, sand filter systems cost between $7,000 and $18,000, while mound systems are the most expensive at $10,000 to $20,000. Several factors influence the final price. The tank material is a key consideration; plastic tanks are the most budget-friendly option, starting around $2,900, but concrete and fiberglass tanks offer greater durability and longer life spans at a higher cost. The size of the tank also affects the price. For example, a 1,000-gallon tank costs between $900 and $1,500, whereas a larger 1,500-gallon tank costs $1,500 to $2,500.</p></div>

Q: How close to a septic tank can I plant a tree?

• <div><p>Talking with a septic pro before planting trees near your tank is best to ensure the roots won&rsquo;t interfere with your septic system. However, there is an easy way to figure out where to plant a tree&mdash;but you&rsquo;ll need to know how tall it can get when it&rsquo;s fully grown. For instance, if the tree can reach 50 feet, plant it at least 50 feet from your septic system.</p></div>

Q: Should professionals handle all septic tank services?

• <div><p>Yes, experts handle manual pumping, chemical flushing, and equipment use properly, ensuring thorough cleaning and legal compliance with disposal regulations.</p></div>

Q: How do I seal a leaking well?

• <div><p>A leaking well pipe is quite different from if the well itself is leaking. To seal a leaking well, pour a cement mixture or bentonite into the space between the well casing and the borehole wall. The heavier cement collects at the bottom to form a solid seal, pushing lighter materials like mud and fluids up toward the surface. Professional well installation companies have the equipment to do this properly. </p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your septic tank service project in Downey, CA?

Select your specific project to find the pro for you.

Verified Reviews for Septic Tank Service pros in Downey, CA

*The Angi rating for Septic Tank Service companies in Downey, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Downey, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on February 12, 2026

Reviewed in February 2026
I recently had a garbage disposal installed by GC Plumbing, and they were great to work with. They arrived on time, explained everything clearly, and completed the installation quickly and professionally. Everything works perfectly, and they left the area clean. I’d definitely recommend them for...
GC Plumbing
Request a quote
Reviewed in November 2025
Fernando came out to help us with our clogged toilet . Was very professional and clean . Will definitely use them again
Rubio's Plumbing
Request a quote
Reviewed in May 2025
Got my pool plumbing and replaster done by HV and it came out Amazing. Real happy with the results.
H V POOLS AND SPA
Request a quote
Reviewed in April 2025
My toilet and shower were clogged and no one was available after 6pm. Luckily I found ACR and they came out and their crew cleared the lines. I was able to shower and use the bathroom and the next day they came out and replaced the broken section in my main line , I didn’t know I had that big of...
ACR Trenchless & Plumbing Inc.
Request a quote
Reviewed in July 2024
The technician was right on time. Very friendly guy. He asked me were the water heater tank and quickly started the project. He did not waste any time just f ocusing on his work. I was very satisfied how the project was done from start to finished.
Wish Granted
Request a quote
Reviewed in December 2022
A Plus Transporting Group can manage even the most delicate and logistically difficult tasks, such as transferring pianos, fish tanks, offices, IT equipment, and speciality items. attempt A Plus Moving Group St. at least once.
A Plus Moving
Request a quote
Reviewed in December 2021
They helped me work through the several Tankless water heaters I had selected. An which one would work best to my homes Plumbing design, and future expansion. Chris Martinez the Installer was very knowledgeable and willing to work with us On this project.
Do It Right Plumbers, Inc.
Request a quote
Reviewed in August 2021
They worked roundaclock, efficient, knowledgeable workers esp DANIEL & his Team. Re Pipe was done fir a 1955 residence, from cast iron to ABS pipes, Job par Excellence! Worth your penny
MVP Plumbing, Inc.
Request a quote
Reviewed in May 2020
Called in the morning to be sure it was OK if they were a little late. Arrived exactly when said. Friendly answered all our questions.Definitely knew their job. They made sure everything was clean when they left. A little mark off as we are waiting for them to add a little drain pipe from the...
Jax Mechanical
Request a quote
Reviewed in January 2015
I had a leaking commode as water was subtly seeping out around the base of the toilet. I called R.K. Knight Plumbing and explained my concerns to a very pleasant receptionist. I was immediately impressed by her genuine concern and interest in my situation. The level of courtesy was very...
RK Knight Plumbing & Rooter
Request a quote

Top-Rated Septic tank pros in Downey - Updated Nov 2026

VeriTech Plumbing

5.0(

)

Septic System - Repair - For Business

Serving Downey, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Top Rated Commercial Plumbing Services in Orange County, CA are essential for keeping businesses running smoothly, and our team delivers unmatched reliability and precision. At VeriTech Plumbing, we provide advanced diagnostics, efficient repairs, and long-lasting solutions tailored to commercial properties of all sizes, ensuring performance, safety, and consistent operational flow.\n

Request Quote

McCormick Home Builders, Inc.

4.7(

)

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Downey, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Leo was very helpful and quick to respond. We’re happy with how our 2 bathrooms turned out. Project was completed within the time promised. Our only complaint is that the workers did not clean up very well. But overall, we’re satisfied and we’ll use them again."

Response time6 hrs

Recommended by17%of homeowners

Request Quote

Home Pro Remodeling & Construction, Inc.

4.1(

)

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Downey, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Ariel was great in explaininf the process to me and Omar and Ivan were very beat an kept me informed on what was happening. A love my beautiful bathroom."

Response time5 days

Recommended by77%of homeowners

Request Quote

Peninsula Septic Service Inc

New to Angi

Septic Tank - Clean or Pump OutSeptic System - Install or ReplaceSeptic System - Repair

Serving Downey, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

Response time2 days

4 neighbors recently requested a quote

Request Quote

Acosta & Sons Sewer Contractors

New to Angi

Septic System - Install or ReplaceSeptic System - Repair

Serving Downey, CA and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion we work with you until the job is done. We thrive to take care of all of our clients unique needs. We are ethical, honest and easy to communicate with. Call us today you'll be pleased you did. Thank you!

Response time2 days

9 neighbors recently requested a quote

Request Quote

ELI ZEPEDA PLUMBING INC

New to Angi

Septic System - Install or Replace

Serving Downey, CA and surrounding areas

Approved

In business since 2025

Warranties offered

Small jobs welcome

ELI ZEPEDA PLUMBING INC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you.

14 neighbors recently requested a quote

Request Quote

RSF Construction Inc.

1.0(

)

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Downey, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Downey, CA and surrounding areas

In business since 1997

Free estimates

Credit card accepted

"I did not get estimates from other plumbers in the area, so I don't know where my cost fit in a range from others to judge by. I paid $3280.00 for cesspool draining and hydro-jetting the pipe. Otherwise, I liked the service which was prompt, and the plumber courteous."

Response time2 days

Recommended by100%of homeowners

Request Quote

The Drain Guys Plumbing and Rooter

4.7(

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Downey, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"I never received the permit I paid for, they finally finished the work after I had to complain and called several times."

Recommended by90%of homeowners

Request Quote

Septic & Sewer Works, LLC - Unlicensed Contractor

5.0(

)

Septic Tank - Clean or Pump Out

Serving Downey, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Everything was on time, really great. Explained everything he was going to do, and price was very reasonable. I would recommend him to my friends!"

Response time10 mins

Recommended by100%of homeowners

Request Quote

...

Showing 1-10 of 80

Septic Tanks FAQs, answered by experts

Cisterns can be used as septic tanks, but septic tanks can’t be used as cisterns. This is because cisterns need to meet FDA standards for drinking water, but septic tanks aren’t required to meet those standards since they are only used for wastewater.

Conventional anaerobic septic systems are the most cost-effective and least expensive type, with installation costs typically ranging from $3,000 to $8,000. For comparison, sand filter systems cost between $7,000 and $18,000, while mound systems are the most expensive at $10,000 to $20,000. Several factors influence the final price. The tank material is a key consideration; plastic tanks are the most budget-friendly option, starting around $2,900, but concrete and fiberglass tanks offer greater durability and longer life spans at a higher cost. The size of the tank also affects the price. For example, a 1,000-gallon tank costs between $900 and $1,500, whereas a larger 1,500-gallon tank costs $1,500 to $2,500.

Talking with a septic pro before planting trees near your tank is best to ensure the roots won’t interfere with your septic system. However, there is an easy way to figure out where to plant a tree—but you’ll need to know how tall it can get when it’s fully grown. For instance, if the tree can reach 50 feet, plant it at least 50 feet from your septic system.

Yes, experts handle manual pumping, chemical flushing, and equipment use properly, ensuring thorough cleaning and legal compliance with disposal regulations.

A leaking well pipe is quite different from if the well itself is leaking. To seal a leaking well, pour a cement mixture or bentonite into the space between the well casing and the borehole wall. The heavier cement collects at the bottom to form a solid seal, pushing lighter materials like mud and fluids up toward the surface. Professional well installation companies have the equipment to do this properly.

The Downey, CA homeowners’ guide to septic tank services

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

See all articles

Angi
•
Sep 16, 2026Sep 16, 2026
How Much Does a Septic System Repair Cost in Los Angeles, CA? [2026 Data]
Find out the average septic system repair cost in Los Angeles, CA. Learn what you can expect to pay for local septic tank repairs and keep your home safe.
Lyle Hendriks
•
May 5, 2026May 5, 2026
How Much Does It Cost to Pump a Septic Tank in Los Angeles? [2026 Data]
The cost to pump a septic tank in Los Angeles, CA, depends on several factors, including tank size, cleaning frequency, and seasonality.
Deirdre Sullivan
•
Aug 4, 2026Aug 4, 2026
How Much Does It Cost to Replace a Septic Tank in Los Angeles, CA? [2026 Data]
Septic tank replacement costs in Los Angeles, CA, depend on your system's type and size. Learn what affects your replacement budget and get estimates before you hire a pro.
D.P. Taylor
•
Jul 15, 2026Jul 15, 2026
Crank Up Your Understanding of Septic Tank Volume
It’s crucial to install a septic tank with the right volume to avoid wastewater backups. This guide will help you calculate the right septic tank volume.
Jamie Cattanach
•
Jul 10, 2026Jul 10, 2026
What’s the Right Septic Tank Size for Me?
Septic tank sizes vary depending on the size of your home, how many people live there, how much water you use, and more. Read on to learn how to determine the right size for you.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
Are Septic Tanks Bad? Pros and Cons to Consider Before Moving Into a House With a Septic System
If you’ve never lived in a house with a septic system before, you might be wondering: Are septic tanks bad? Here are some of the pros and cons.