Top-rated septic system installers and replacers.

Get matched with top septic system installers and replacers in Cobalt, 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 Cobalt

Avatar for A.D.B. Construction & Septic Corp.
A.D.B. Construction & Septic Corp.
4.6(
217
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"install new septic/leaching field....professional, meticulous job...all the guys were friendly, and very helpful when asked questions...art explained the project in detail from start to finish...i highly recommend a.d.b. and will use them again..."
 Curtain Drain
 Sewer line replacment
 footing drains around an oil tank
 Sewer line repair
 Stone added

+33

Response time8 hrs
9 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Rooterman Hartford LLC
Rooterman Hartford LLC
4.0(
68
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Ash and M did a great job. Neat, courteous, professional — did great work on jacuzzi faucet replacement, including all associated plumbing. Explained everything when complete."
HVAC
275 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
3.6(
183
)
Septic System - Install or Replace

Serving Cobalt, 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 time10 hrs
Response rate95%
40 neighbors recently requested a quote
Avatar for Hazelwood Excavating, Inc.
Hazelwood Excavating, Inc.
5.0(
1
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

Approved

In business since 1950

Free estimates

Emergency services offered

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.

New Septic Tank
Leaching
New Leaching
Response time2 days
Avatar for Drainworks Plumbing & Septic, LLC
Drainworks Plumbing & Septic, LLC
4.7(
236
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

In business since 2017

Emergency services offered

Credit card accepted

"Drainworks customer service was exceptional. Special mention to Jasmine who goes above and beyond in catering to our needs. Derrick too who was on site was very helpful in giving us basic information on septic maintenance especially for us who did not have any experience with this particular system. We are one happy customer here!"
Broken footing drain pipe
new PVC Footing drain
Trench
septic system repair
Response time7 hrs
Recommended by96%of homeowners
Avatar for Drain Blasters
Drain Blasters
5.0(
9
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

In business since 2020

Emergency services offered

"Showed up quickly performed the work they said they would do for the price. everything was straightforward and simple and they left us with a color video of the inside of my septic system which was super cool and well worth the $950 for the peace of mind of knowing what’s in the ground. ❤️❤️❤️"
Recommended by100%of homeowners
Avatar for Alterio Drain Cleaning & More
Alterio Drain Cleaning & More
4.6(
16
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

In business since 2012

Free estimates

Emergency services offered

"I purchased an deal for $99 for 2 hours of labor.  Originally I intended to apply the time toward replacement of a shower faucet, but the same week, three gate valves in my basement began to fail.  Lew was very responsive and able to accommodate my schedule, and replaced all three valves with ball valves as well as the piping in the area.  I purchased an additional $150 worth of parts from Lew which are warrantied for a year.
What I appreciated most was Lew's evaluation of the shower faucet, which he looked at while he was at my house.  He pointed out that the faucet that I had purchased would not meet my long-term needs and made recommendations so that I could purchase (on my own) a model that would be better for me.  He also gave a very rough quote for the labor that would be required.  Lew could have just installed the faucet I purchased and waited until it failed in another year and installed another one and made twice as much money, but he didn't.  I'll certainly have him back again.
"
Before
After
Close up
In person
New Hot Water Heater

+3

Recommended by92%of homeowners
Avatar for Drainworks Plumbing & Septic LLC
Drainworks Plumbing & Septic LLC
4.2(
9
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"Drainworks team has done several different jobs to my Plumbing and Well system to get them up to excellent standards. The guys were patient and had a sense of urgency wanting to get things repaired for me. I was absolutely satisfied with every job the guys completed. I had my entire Home filter system replaced, I had a leak in my Well casing repaired and also a leak in an underground main water Pipe that had sprung a leak repaired. I highly recommend Drain Works for all your plumbing needs!"
Install new septic tank
Septic System Install
Pump Septic Tank
Septic System Install
Pump Septic Tank

+18

Recommended by75%of homeowners
Avatar for Czaja Brothers, Inc.
Czaja Brothers, Inc.
5.0(
6
)
Septic System - Install or Replace

Serving Cobalt, CT and surrounding areas

In business since 2015

Free estimates

Emergency services offered

Welcome to Czaja Brothers, Inc. here to assist you with all of your excavation and landscaping needs. We have been running the business for a year, but have over twenty years of experience in the industry. Give us a call!!!

concrete sidewalk
oil tank removal
excavation
Response time1 day
Recommended by100%of homeowners
Showing 1-10 of 24
FAQs for septic system installation and replacement projects in Cobalt, CT

Most septic system replacements require several days to complete, not including permitting and preparation time. The process begins with site assessment and testing, followed by excavation, component installation, and final inspection. Weather conditions, property accessibility, and inspection schedules can all affect your project timeline. Your contractor can provide a more specific estimate based on your property's unique characteristics.

Standard homeowners' insurance policies don't cover septic system replacement due to age or normal deterioration. Coverage may apply if damage results from specific covered events, but routine maintenance and eventual replacement are generally considered homeowner responsibilities. Review your policy details or speak with your insurance agent to understand your specific coverage limitations.

Look for multiple indicators such as slow-draining fixtures, unusual gurgling sounds in plumbing, sewage odors inside or outside your home, or wet spots in your yard. Unusually lush grass over the drain field area, frequent backups, or recurring repair needs might signal system failure. Addressing these warning signs promptly can prevent property damage and health hazards.

DIY septic installation is not recommended and may violate local regulations. Professional installation ensures compliance with health codes, proper design for your specific site conditions, and appropriate safety measures. The specialized equipment, technical knowledge, and permitting requirements make this a job best left to licensed professionals who can guarantee the system's safety and effectiveness.

With proper maintenance, including regular pumping, a drain field lasts 20 years. Various factors influence system longevity, including household size, water usage patterns, and soil conditions. Regular professional inspections can help determine when replacement becomes necessary. If your system requires increasingly frequent repairs, replacement might be more economical than continuing to address individual problems.

The Cobalt, 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.