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Find Septic system installers and replacers in South Windham

Avatar for A.D.B. Construction & Septic Corp.
A.D.B. Construction & Septic Corp.
4.6(
217
)

Serving South Windham, CT and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"They were very friendly and knowledgeable from the moment they picked up the phone until the time the serviceman left my property. They cleaned up well and answered all my questions regarding the septic system. Would definitely recommend them."
 Curtain Drain
 Sewer line replacment
 footing drains around an oil tank
 Sewer line repair
 Stone added

+33

Response time8 hrs
7 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
3.6(
181
)

Serving South Windham, CT and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"They came on time and after giving the estimate Vinnie was able to install the new water heater. Amazingly he was able to complete the job in 2 hours. I was very pleased start to finish."
Dry Well
BOCK WATER HEATER INSTALL
AO SMITH WATER HEATER INSTALL
HAPPY CUSTOMERS ARE WHAT WE WANT!
TANKLESS INSTALL

+16

Response time1 day
Response rate85%
26 neighbors recently requested a quote
Hawkins Maintenance, LLC
5.0(
13
)

Serving South Windham, CT and surrounding areas

In business since 1995

Free estimates

Offers commercial services

"I am only giving them 5 stars because this rating will not allow 10 stars. Wayne and his crew installed a new septic system in our new Warwick, RI home. Everyone was extremely professional and courteous. They answered questions along the way as they worked through the complicated permit process. All of the crew were super personable and responsive. They also helped me move dirt on a landscape project I was working on while they had the heavy equipment. Saved me a lot of shoveling."
Recommended by100%of homeowners
Avatar for Drainworks Plumbing & Septic, LLC
Drainworks Plumbing & Septic, LLC
4.7(
236
)

Serving South Windham, CT and surrounding areas

In business since 2017

Emergency services offered

Credit card accepted

"Glenn handled our clogged septic tank problem. Problem rectified within a few hours of my call. He was very professional and knowledgeable and we are so satisfied with the service provided!"
Broken footing drain pipe
new PVC Footing drain
Trench
septic system repair
Response time7 hrs
Recommended by96%of homeowners
Avatar for Dan Mackin, Jr., Construction
Dan Mackin, Jr., Construction
4.7(
21
)

Serving South Windham, CT and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"This was a much smaller project that Mr. Mackin's company usually does. It took a while to co-ordinate schedules with him to arrange a day to do the demolition. He was concerned about his equipment damaging my lawn since we had had a lot of rain. When we finally booked a date, he and his son showed up on time, and finished the project in less time than I expected. They cleaned up the area and secured the fencing, and gave me some good advice on how to proceed with the rest of my project. And there was no damage to the lawn! Would hire again."
 Rock breaking
foundation
septic install
mill machine foundation
 Beach pond retaining wal

+38

Response time1 day
Recommended by100%of homeowners
Avatar for Stone Building Systems, LLC
Stone Building Systems, LLC
5.0(
5
)

Serving South Windham, CT and surrounding areas

In business since 2008

Free estimates

Offers commercial services

"Paul is extremely knowledgeable about excavation work and more specifically septic systems. I have used Paul on several projects from small tank, repairs to large engineered systems, and each time he delivers a perfect project, within our timeframe and at a reasonable price. I would highly recommend Paul and his team."
Septic Repair
Septic Repair
Response time6 hrs
Recommended by100%of homeowners
Avatar for Alterio Drain Cleaning & More
Alterio Drain Cleaning & More
4.6(
16
)

Serving South Windham, CT and surrounding areas

In business since 2012

Free estimates

Emergency services offered

"Lov's wife set up the appointment. A phone call confirmed Lov's arrival time. He was on time. He worked neatly and efficiently to fix the leak. It was Saturday of Labor Day weekend. Lov and his wife were pleasant. Overall a great experience."
Before
After
Close up
In person
New Hot Water Heater

+3

Recommended by92%of homeowners
Showing 1-10 of 21
FAQs for septic system installation and replacement projects in South Windham, 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 South Windham, 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.