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Best septic tank pros near Windsor, CT

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TRUSTED BY WINDSOR, CT HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon39
    Verified septic tank services reviews

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

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

Serving Windsor, CT and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Justin answered my telephone messages within 15 minutes each time and was service and cost specific. Chris was professional and committed to resolving and testing our septic tank issue before leaving on a Sunday evening! Exceptional service -- highly recommend! Thank you to Home Advisors."
 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 H L Bowman
H L Bowman
4.6(
429
)
Septic Tank - Clean or Pump OutSeptic System - Install or ReplaceSeptic System - Repair

Serving Windsor, CT and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Great experience Justin, Nate & Timothy were awesome. Very knowledgeable, professional & curious. Aside from the cleanliness they delivered an experience. I highly recommend HL bowman if you want rapid service on your HVAC. Pricing was reasonable in my opinion & financing is an option. Keep in mind when seeking quotes for your HVAC repair/ new install you must consider performance over equipment, that is if your want a good system that will have a good run/life span."
Additional Photos
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Additional Photos

+6

483 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
3.6(
183
)
Septic System - RepairSeptic Tank - Clean or Pump OutSeptic System - Install or Replace+3 more

Serving Windsor, CT and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Matt, AJ, Scott, Vinnie, Charlie all did a terrific job. They installed a gas water heater, installed a shut off on the water heater where there was one missing, replaced a kitchen sink from an old double sink to a new full size sink and in doing so, moved the garbage disposal and re-piped the whole project. They checked other pipes & plumbing and repaired a broken outside water pipe. Tisha in the office was also wonderful - very accommodating, congenial and they are all very customer service oriented. Respectful, honest, and I would highly recommend this company to anyone."
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%
45 neighbors recently requested a quote
Avatar for Yankee Home Improvement, Inc.
Yankee Home Improvement, Inc.
3.5(
116
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Windsor, CT and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

New England's Most Referred Contractor, serving homeowners since 2008. Yankee Home specializes in Plumbing, Bathroom Remodeling, Replacement Windows, Doors, Siding, and Roofing. We proudly serve homeowners across New England and New York, with locations in Western and Eastern Massachusetts, New York, and Connecticut. \n\nOur employee installers—not subcontractors—deliver quality craftsmanship backed by our Never Cattywampus Guarantee. From your first consultation to the final walkthrough, we're committed to making your home improvement project simple, stress-free, and done right the first time.

Entry Door
Walk-in Shower Spa Transformation
Windows
Entry Door
Walk-in Shower Spa Transformation

+63

Response time10 hrs
Response rate90%
Recommended by83%of homeowners
Avatar for Jade Construction
Jade Construction
4.4(
45
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Windsor, CT and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"Jason was prompt and helpful and was very flexible in changing or modifying the nature of some of the work before starting. He did virtually all the grading himself and knew exactly what to do. The work was done on time and as specified. I will surely contact him if I need drainage work for another project."
Septic Install
Septic Install
Foundation
Footing drains
Septic Install

+131

Response time5 hrs
Response rate94%
6 neighbors recently requested a quote
Avatar for DBG Construction, LLC
DBG Construction, LLC
4.9(
42
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Windsor, CT and surrounding areas

In business since 2013

Free estimates

"Devon did an excellent job draining my septic tank, excavating to hook up to city sewer, crushing and filling in the septic tank. Made sure that I was hooked up before they left the first day. Very fair pricing. Highly recommend!"
Response time4 hrs
Response rate92%
Recommended by92%of homeowners
Septicology, LLC
5.0(
3
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Windsor, CT and surrounding areas

In business since 2017

Free estimates

Small jobs welcome

"We have been using Septicology for our clients' septic system inspections and certifications for about one year now. Daniel presents a professional demeanor and his detailed reports include complete documentation of testing results including photos of all conditions he is seeing. We are very pleased with Daniel's great services and pricing and will continue using Septicology, LLC."
Response time2 days
Recommended by100%of homeowners
Showing 1-10 of 26
Septic Tanks FAQs, answered by experts

A mound septic system, when properly maintained, can last between 20 and 25 years on average—though some last longer or malfunction sooner than that. The most important part of maintenance is getting an annual inspection of the vital parts of the system to ensure they’re in proper working order and not too backed up with sewage.

Never use Drano on blocked toilets. You can end up with a ghastly leak because the chemicals eat away at the glue that holds pipes together just as effectively as they do with clogs. Drano is known for being particularly rough on toilets, which is why some plumbers actually dislike the product. 

For the most part, choosing between 30/50 psi and 40/60 psi is based on your water-pressure preference. However, it can also depend a little bit on your house—if you have older plumbing, a lower water pressure can be easier on the pipes (and a bit more gentle on your well pump). 

The lower 30/50 pressure is usually enough for a single-story home, but you may want 40/60 if you have multiple stories, as the extra pressure helps water flow smoothly up to the second floor.

Most well pump pressure switches have a factory setting of 30 to 50 PSI. There’s some flexibility with this if you’d like a lower or higher water pressure, but remember that it should sit 2 to 3 PSI above your well tank’s general pressure setting.

The inside of your pressure switch cover will usually indicate minimum and maximum settings—going below and above the numbers might damage your well pump.

A septic system can fail for various reasons, and most commonly, excessive water use or sudden surges in wastewater can overwhelm the system's capacity. Neglecting regular maintenance, like tank pumping and inspections, can also lead to clogs, leaks, and eventual breakdowns. Other issues that lead to failure include age-related wear and tear, root infiltration, improper disposal of non-biodegradable materials or chemicals into the system, unsuitable soil conditions, physical damage, and even environmental factors like flooding or soil erosion.

The Windsor, CT homeowners’ guide to septic tank services

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