Top-rated septic system installers and replacers.

Get matched with top septic system installers and replacers in New Haven, CT

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Septic system installers and replacers in New Haven

John H. Bensavage, LLC

4.96(
91
)
•Approved Pro

John H. Bensavage, LLC

4.96(
91
)
•Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
42 local quotes requested

John H. Bensavage Septic, LLC, is a locally owned and operated septic cleaning company. We value honesty and integrity in all aspects of our business and offer a variety of services that are customizable to each individual project. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"John Bensavage is AMAZING! He's experienced and cares about doing the best job possible. Additionally, he leaves the job site in better condition than when he started the job. If I could give John a higher rating than 5 stars, I would. If you're looking for the right company to install or repair your septic system, hire John Bensavage, I can't imagine any other septic system installer doing a better job. Elizabeth Martin "

Elizabeth M on November 2025

John H. Bensavage Septic, LLC, is a locally owned and operated septic cleaning company. We value honesty and integrity in all aspects of our business and offer a variety of services that are customizable to each individual project. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"John Bensavage is AMAZING! He's experienced and cares about doing the best job possible. Additionally, he leaves the job site in better condition than when he started the job. If I could give John a higher rating than 5 stars, I would. If you're looking for the right company to install or repair your septic system, hire John Bensavage, I can't imagine any other septic system installer doing a better job. Elizabeth Martin "

Elizabeth M on November 2025

Avatar for Hazelwood Excavating, Inc.

Hazelwood Excavating, Inc.

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Hazelwood Excavating, Inc.

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
76 years of experience
Free onsite estimate

Hazelwood Excavating, Inc., is a family owned company based out of Wallingford, CT. The company was founded in 1950 and has been passed down through generation after generation. We take extreme pride in the 3 P's fundamental to any good business which are Punctuality, Professionalism, and Precision.

Hazelwood Excavating, Inc., is a family owned company based out of Wallingford, CT. The company was founded in 1950 and has been passed down through generation after generation. We take extreme pride in the 3 P's fundamental to any good business which are Punctuality, Professionalism, and Precision.

A-1 Quality Rooter

5.00(
1
)

A-1 Quality Rooter

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Additional phone - (860) 346-4155.

Additional phone - (860) 346-4155.

Avatar for Seaview Custom Homes LLC

Seaview Custom Homes LLC

4.83(
87
)

Seaview Custom Homes LLC

4.83(
87
)
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Quality roofing, siding and general contracting at competitive prices. At Seaview Custom Homes, LLC, we offer a wide range of renovation services designed to enhance your property. From installing wood and vinyl siding to all-new decks and patios, we do it all. Additionally, we offer convenient roofing services for home and business owners throughout the state. Residential & Commercial. 24 hour emergency services. Serving the shoreline since 1980. Licensed and Insured (CT License #609268). All work guaranteed. Additional phone number - (860) 857-7600. Additional DBA - Seaview Home Improvement LLC, Seaview Home and Roofing, Seaview Roofing. Award winning. Alternate Phone: (860) 399-8306

"It went very smooth and they showed up ahead schedule and finished on time."

John N on August 2019

Quality roofing, siding and general contracting at competitive prices. At Seaview Custom Homes, LLC, we offer a wide range of renovation services designed to enhance your property. From installing wood and vinyl siding to all-new decks and patios, we do it all. Additionally, we offer convenient roofing services for home and business owners throughout the state. Residential & Commercial. 24 hour emergency services. Serving the shoreline since 1980. Licensed and Insured (CT License #609268). All work guaranteed. Additional phone number - (860) 857-7600. Additional DBA - Seaview Home Improvement LLC, Seaview Home and Roofing, Seaview Roofing. Award winning. Alternate Phone: (860) 399-8306

"It went very smooth and they showed up ahead schedule and finished on time."

John N on August 2019

Sunshine Environmental Services Inc

5.00(
3
)

Sunshine Environmental Services Inc

5.00(
3
)
Customers say: Quick response
"We had Tom come out for an estimate on a pool demolition, which he did give us a quote on, but more important is that he helped us rethink what could be done INSTEAD of demotion. He passed up the opportunity for a job, but gave our family back a treasured summer activity. If you need an HONEST assessment, call Sunshine."

David G on September 2023

"We had Tom come out for an estimate on a pool demolition, which he did give us a quote on, but more important is that he helped us rethink what could be done INSTEAD of demotion. He passed up the opportunity for a job, but gave our family back a treasured summer activity. If you need an HONEST assessment, call Sunshine."

David G on September 2023

Geo's Handyman/Landscaping Services

No reviews yet

Geo's Handyman/Landscaping Services

No reviews yet
16 years of experience

I am a handyman and I have professionals in all fields available to attend you. You name it we can do it. We can match or beat all prices and we can get you a appointment quick. Satisfaction guaranteed. We take all payments and we also can work something out if you are unable to pay all at once.

I am a handyman and I have professionals in all fields available to attend you. You name it we can do it. We can match or beat all prices and we can get you a appointment quick. Satisfaction guaranteed. We take all payments and we also can work something out if you are unable to pay all at once.

Avatar for Matt's Pro Plumbing Inc

Matt's Pro Plumbing Inc

4.97(
174
)

Matt's Pro Plumbing Inc

4.97(
174
)
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Call "The Tub Man" at Matt's Pro Plumbing for quality work and competitive pricing- no job too small! We offer full plumbing service and tub/shower conversion specials. If you're not home during the day we make evening calls, by appointment. We're a family run business with over 17 years of experience, and will ensure your plumbing project will be done right the first time. Customer service and satisfaction are our top priorities. Thank you for your consideration, we look forward to working with you. Our goal is to earn your business today and be your trusted plumber for the future. Matt's Pro Plumbing is Central CT's bathroom remodeling specialist!

"Matt and his team took good care of us! It’s clear Matt’s Pro cares about its customers. They were quick to respond, professional, efficient, knowledgeable and committed to quality - all for a reasonable price. Very thankful!"

Kimberly M on February 2024

Call "The Tub Man" at Matt's Pro Plumbing for quality work and competitive pricing- no job too small! We offer full plumbing service and tub/shower conversion specials. If you're not home during the day we make evening calls, by appointment. We're a family run business with over 17 years of experience, and will ensure your plumbing project will be done right the first time. Customer service and satisfaction are our top priorities. Thank you for your consideration, we look forward to working with you. Our goal is to earn your business today and be your trusted plumber for the future. Matt's Pro Plumbing is Central CT's bathroom remodeling specialist!

"Matt and his team took good care of us! It’s clear Matt’s Pro cares about its customers. They were quick to respond, professional, efficient, knowledgeable and committed to quality - all for a reasonable price. Very thankful!"

Kimberly M on February 2024

Avatar for Porco Construction

Porco Construction

No reviews yet

Porco Construction

No reviews yet
54 years of experience

Porco Construction Company is a unique and dedicated entity in the construction industry. Today's building environment is littered with shoddy workmanship and people who just don't care about the job or their clients. We use the principles and philosophies that have been handed down for generation.

Porco Construction Company is a unique and dedicated entity in the construction industry. Today's building environment is littered with shoddy workmanship and people who just don't care about the job or their clients. We use the principles and philosophies that have been handed down for generation.

Brians plumbing Co

No reviews yet

Brians plumbing Co

No reviews yet
22 years of experience

plumbing, heating, cooling

plumbing, heating, cooling

Bill Roy Septic

5.00(
3
)

Bill Roy Septic

5.00(
3
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

At Bill Roy Septic, we want to make septic system care and maintenance simple and hassle free. Our highly trained septic technicians go above and beyond to ensure that you are aware of any potential issues - necessary repairs, Board of Health requirements, and recommendations for your system. We want to make sure your septic system is healthy in an effort to save you money on costly repairs and to help keep our environment safe and clean. At Bill Roy Septic, we know what it’s like to be a customer. You will be amazed with our service! Routine septic system pumping is the key to maintaining a healthy septic system. There is no way to avoid sludge build up, but regular servicing helps keep it at a manageable level. Your septic system must be cleaned properly and pumped on a regular basis to ensure that your system remains at a healthy liquid balance. Regular servicing and septic pumping will help to identify potential problems that could be lurking under the surface. Our technicians are trained to spot warning signs the home owner would not see. THREE RESAONS WHY YOUR SEPTIC SYSTEM DESERVES BILL ROY SEPTIC 1. We have the best trained technicians in the industry – All of our technicians are graduates of BILL ROY UNIVERSITY 2. We are WHERE you need us to be WHEN you need us to be there – Unparalleled 24 hour emergency service 3. Our three step maintenance program is designed to extend the life of your septic system Protect your investment – Go with the BEST – Go Green Bill Roy Septic is a Wind River Environmental Company

At Bill Roy Septic, we want to make septic system care and maintenance simple and hassle free. Our highly trained septic technicians go above and beyond to ensure that you are aware of any potential issues - necessary repairs, Board of Health requirements, and recommendations for your system. We want to make sure your septic system is healthy in an effort to save you money on costly repairs and to help keep our environment safe and clean. At Bill Roy Septic, we know what it’s like to be a customer. You will be amazed with our service! Routine septic system pumping is the key to maintaining a healthy septic system. There is no way to avoid sludge build up, but regular servicing helps keep it at a manageable level. Your septic system must be cleaned properly and pumped on a regular basis to ensure that your system remains at a healthy liquid balance. Regular servicing and septic pumping will help to identify potential problems that could be lurking under the surface. Our technicians are trained to spot warning signs the home owner would not see. THREE RESAONS WHY YOUR SEPTIC SYSTEM DESERVES BILL ROY SEPTIC 1. We have the best trained technicians in the industry – All of our technicians are graduates of BILL ROY UNIVERSITY 2. We are WHERE you need us to be WHEN you need us to be there – Unparalleled 24 hour emergency service 3. Our three step maintenance program is designed to extend the life of your septic system Protect your investment – Go with the BEST – Go Green Bill Roy Septic is a Wind River Environmental Company

...
Showing 1-10 of 119
FAQs for septic system installation and replacement projects in New Haven, CT

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 New Haven, CT 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