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Top-Rated Septic system repair pros in Lebanon - Updated Nov 2026

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

Serving Lebanon, CT and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"our septic line was blocked on a Saturday afternoon. ADB responded quickly with call back. 1.5 hr later their guy arrived and snaked the line to open the blockage and finished within 1 hr of work. very happy with quick response and fix of nasty problem."
 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 Snow Septic Repair, LLC
Snow Septic Repair, LLC
New to Angi
Septic System - Repair

Serving Lebanon, CT and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

Snow Septic Repair LLC provides our customers with quality workmanship & honest pricing for all your septic system repair needs. Servicing the greater Middlesex county area. Call us today to schedule a free estimate!

New Septic Tank
New Leaching Field
New Septic Tank & Leaching Field
Finished Grade Landscaped
Waterfront Completed Installation

+4

Response time3 days
Avatar for Drainworks Plumbing & Septic, LLC
Drainworks Plumbing & Septic, LLC
4.7(
236
)
Septic System - Repair

Serving Lebanon, CT and surrounding areas

In business since 2017

Emergency services offered

Credit card accepted

"Drainworks of Columbia CT solved a serious septic system blockage at our home in Hebron when no one else would. After a quick call to set up an appointment Justinâ s team were at our home first thing the next morning. They diagnosed the blockage problem using cameras and newer technology that permits them to work faster and more efficiently than others. Then they brought in a crew and the equipment to fully clean out the blockages and repair our septic system. They worked tirelessly and cheerfully all day in a cold rain until they completed the repairs same day. Wow! Consider me a DrainWorks customer for life."
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
)
Septic System - Repair

Serving Lebanon, CT and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"When in need of a new septic system to replace an aging cesspool I contacted several advertised septic companies. Site estimates were from $15,000 to $20,000 for a simple installation to $25,000 - $30,000 with difficulties. So, with the information found on Home Advisor we chose Dan Mackin Jr. Construction from Jewett City, CT (860-376-6591 or 860639-7933) whose estimate after examination of the site was $13,200. It turned out the only acceptable area required extensive ledge removal! Mackin Construction removed the ledge at no extra cost. After installation was complete, the area was totally restored to our satisfaction. At no time was there a lack of communication (verbal or digital) between the customer and the contractor. Payoff was $13, 050 because we were credited $150 for parts not needed. BOTTOM LINE: This is one of the last family owned businesses of this kind that deliver a quality product at a fair price!"
 Rock breaking
foundation
septic install
mill machine foundation
 Beach pond retaining wal

+38

Response time1 day
Response rate86%
Recommended by100%of homeowners
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FAQs for septic system repair projects in Lebanon, CT

You should have your septic tank inspected at least once every one to three years. Regular inspections help catch minor issues before they become major problems, ensuring your system operates efficiently and extends its lifespan. You can also have your pro take care of routine septic system maintenance tasks at the same time as your inspection.

A septic tank must be inspected before buying a home to ensure the system is sound and compliant with local regulations. A comprehensive inspection evaluates all critical components and detects hidden faults that could lead to expensive repairs. This detailed review protects your investment by verifying the system’s integrity and reliability.

A septic tank's leach field fails when it encounters system overload and deteriorating conditions. Excess water usage beyond the field’s capacity and environmental stress lead to hydraulic failure. Aging infrastructure and insufficient maintenance further contribute to failure. Distributing water use evenly and scheduling regular maintenance, including enzyme treatments when necessary, preserve the leach field’s integrity.

A septic system lasts between 20 and 30 years. Steel tanks function for 15 to 20 years, concrete tanks operate for 20 to 40 years, and fiberglass or plastic tanks remain durable for 30 to 40 years. Consistent maintenance, including regular pumping and inspections, extends these lifespans by preventing buildup and structural damage, ensuring reliable long-term performance.

A failing septic system presents clear signs such as slow-draining fixtures, foul odors at or around the leach field, and overly green patches of grass. Additional indicators include persistent toilet flushing problems, standing water near the system, and noticeable gurgling noises from pipes. These symptoms reveal blockages, structural damage, or leaks. Immediate professional evaluation is essential to address these issues and prevent extensive repair costs.