Get matched with top septic tank pros in Napa, CA
There are 4 highly-rated local septic tank pros.
TRUSTED BY NAPA, CA HOMEOWNERS
4.8 
17 Verified Reviews for Septic Tank Service pros in Napa, CA
*The Angi rating for Septic Tank Service companies in Napa, 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 Napa, 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 June 10, 2025
Septic tank pros in Napa
Family-owned Same Day Plumbing, Heating, Cooling operates out of Windsor, just north of Santa Rosa. We offer fast, reliable AC repair and installation services, heater repair & installation, and plumbing services, in the North Bay area of California. Our promise to you is always that if we do not fix your system the SAME DAY we arrive… you DON’T pay the service fee. Our home service experts are licensed and insured with more than 100 years of leadership experience. Additionally, we back all of our installation and replacement services with a 24-month, 100% satisfaction guarantee.
Family-owned Same Day Plumbing, Heating, Cooling operates out of Windsor, just north of Santa Rosa. We offer fast, reliable AC repair and installation services, heater repair & installation, and plumbing services, in the North Bay area of California. Our promise to you is always that if we do not fix your system the SAME DAY we arrive… you DON’T pay the service fee. Our home service experts are licensed and insured with more than 100 years of leadership experience. Additionally, we back all of our installation and replacement services with a 24-month, 100% satisfaction guarantee.
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"can not rate never showed never did project but I got charged for it anyway."
Mayre G on March 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"can not rate never showed never did project but I got charged for it anyway."
Mayre G on March 2025
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project.
"Edgar was fantastic and great to work with! I highly recommend G-Septic for your septic needs."
Linda E on April 2024
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project.
"Edgar was fantastic and great to work with! I highly recommend G-Septic for your septic needs."
Linda E on April 2024
JOHN MOUNTAIN is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"These guys did a great job, they worked efficiently and did top quality work."
Kip B on October 2024
JOHN MOUNTAIN is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"These guys did a great job, they worked efficiently and did top quality work."
Kip B on October 2024
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!
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!
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 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!
"Fast response and clear communication throughout the process."
Marco T on April 2025
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 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!
"Fast response and clear communication throughout the process."
Marco T on April 2025
Chatham Plumbing LLC offers expert plumbing services in the Bay Area and Lake County. With over 13 years of experience, our family-owned business is dedicated to providing reliable solutions for all your plumbing needs. Connect with us today for exceptional service and personalized attention.
"I would highly recommend Chatham Plumbing! I hired them to install all new plumbing for my new studio. They installed everything new for my bathroom and kitchen and even a water pump outside. They did a very professional and excellent job in a timely manner. You will not be disappointed! Thank you Chatham Plumbing!?"
Adda A on May 2024
Chatham Plumbing LLC offers expert plumbing services in the Bay Area and Lake County. With over 13 years of experience, our family-owned business is dedicated to providing reliable solutions for all your plumbing needs. Connect with us today for exceptional service and personalized attention.
"I would highly recommend Chatham Plumbing! I hired them to install all new plumbing for my new studio. They installed everything new for my bathroom and kitchen and even a water pump outside. They did a very professional and excellent job in a timely manner. You will not be disappointed! Thank you Chatham Plumbing!?"
Adda A on May 2024
We are a family owned and operated plumbing and rooter company. From residential, new construction, commercial and remodel plumbing! We are fully licensed and insured with many years of experience. We believe in honest respectable hard work and would love the opportunity to leave you with a great experience.
We are a family owned and operated plumbing and rooter company. From residential, new construction, commercial and remodel plumbing! We are fully licensed and insured with many years of experience. We believe in honest respectable hard work and would love the opportunity to leave you with a great experience.
General Engineering Contractor specializing in excavating, grading, hardscaping, landscaping, land clearing, demo, bunkers, driveways, exterior plumbing, drainage, and utility installation/repair. We are able to create custom projects and visions for your property or home exterior. Have an idea or project that isn't listed? We can probably construct it for you! Just contact us and ask! Owner/founder, Brandon Hankes has 10 years of quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!
"They were great, came on time, and get all done timely. Good order and I would recommend them to anyone. Also comes with a positive attitude as well and is pleasant to work with."
Tim S on November 2022
General Engineering Contractor specializing in excavating, grading, hardscaping, landscaping, land clearing, demo, bunkers, driveways, exterior plumbing, drainage, and utility installation/repair. We are able to create custom projects and visions for your property or home exterior. Have an idea or project that isn't listed? We can probably construct it for you! Just contact us and ask! Owner/founder, Brandon Hankes has 10 years of quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!
"They were great, came on time, and get all done timely. Good order and I would recommend them to anyone. Also comes with a positive attitude as well and is pleasant to work with."
Tim S on November 2022
**OVER 15 YEARS OF EXPERIENCE IN THE INDUSTRY** We have the experience our clients depend on to make every dollar count. We are a positive-safety company that takes extra care and effort to ensure that every job is done to the standards of the industry, the State of California, and most importantly our standards. We don’t leave a job half-done or only “looking” finished. We will fully complete the job you hired us for, asking the questions needed to make sure that we have all the details to ensure the work is done to your satisfaction. Contact us for your FREE ESTIMATE!!
"Dario is awesome and easy to work with. His team is excellent and professional. They exceeding my expectations in every way and made a difficult project much easier. Highly recommend them!"
Branden J on January 2025
**OVER 15 YEARS OF EXPERIENCE IN THE INDUSTRY** We have the experience our clients depend on to make every dollar count. We are a positive-safety company that takes extra care and effort to ensure that every job is done to the standards of the industry, the State of California, and most importantly our standards. We don’t leave a job half-done or only “looking” finished. We will fully complete the job you hired us for, asking the questions needed to make sure that we have all the details to ensure the work is done to your satisfaction. Contact us for your FREE ESTIMATE!!
"Dario is awesome and easy to work with. His team is excellent and professional. They exceeding my expectations in every way and made a difficult project much easier. Highly recommend them!"
Branden J on January 2025
FAQs for septic tank service projects in Napa, CA
Yes, most states require septic tank installers to have a license, and for good reason. Hiring an unlicensed septic tank pro could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The cost to replace a septic tank is $7,350 for the average homeowner. This cost can range, however, from $470 to $22,500, depending on several factors. Your house size is a significant factor in the overall cost, but other things like material type impact the final price tag. For example, installing a new septic tank in a one-bedroom house typically costs $500 to $900, whereas installing a new septic tank in a five or six-bedroom home is generally $1,200 to $1,600.
The cost of septic tank repair is $1,775 for the average homeowner. However, depending on a few elements, you might pay as little as $170 or as much as $6,100. Location, repair type, and tank material all determine the final cost. For example, replacing the septic tank filter can be as little as $200 to $300. However, repairing septic lines costs more, averaging around $1,500.
A septic tank can typically last 15 to 20 years on average, though your system's lifespan will vary depending on the type of septic system and the materials used. To help increase your septic tank's lifespan, schedule routine maintenance and do not flush items like cat litter, cigarette butts, or paper towels.
Repairing or replacing a septic tank is a job best left to a professional. Your septic tank is an essential part of your home, and if installed or repaired incorrectly, it could lead to significant problems. Things like polluted water, property damage, and health risks to your family could all happen as a result of an improper septic tank repair or installation.
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