Skip to content

Best Septic Service Companies in Stamford, CT (2026)

162 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Stamford: Andersons Septic Service, CR Score 62/100; 5.0★ from 244 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Al Dexter Septic & Drainage, posts 24/7 hours; ranked #2 of 162.

  3. 44

    Most-reviewed: Mr. Rooter Plumbing of Long Island, 1,488 Google reviews at 4.7★, the most of 162 ranked; ranked #44.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

162 Stamford septic service companies are ranked here by CR Score, from ten published factors. 88 are open 24/7, 116 open Saturdays and 101 open Sundays, based on posted hours. The median Google rating is 4.9★ across 162 rated businesses.

Top 10 septic service companies in Stamford at a glance

Top 10 septic service companies in Stamford at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Andersons Septic Service625.0★ (244)Wilton, 13 mi away24/7Overall
2Al Dexter Septic & Drainage624.8★ (48)Stamford24/7Emergencies
3Four Seasons Cesspool605.0★ (276)Nesconset, 25 mi away24/7—
4Rick's Pump and Water Service604.9★ (171)Danbury, 19 mi away24/7—
5White Wolf Cesspool Services594.9★ (729)Commack, 20 mi away——
6Empire Sewer and Water CT595.0★ (54)Stamford24/7—
7Reputable Cesspool & Drain585.0★ (147)Smithtown, 24 mi away24/7—
8A. Procaccini & Sons Septic and Drain Cleaning585.0★ (9)Darien, 3 mi away24/7—
9Citywide Sewer-Drain & Plumbing Corp584.8★ (1,423)East Garden City, 22 mi away24/7—
10Drain Away Sewer Service Inc585.0★ (38)Stamford24/7—

The 162 best septic service companies in Stamford, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Stamford

    Based in Wilton, 13 mi away

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 244 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 244 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    140 Kellogg Dr, Wilton, CT 06897
  2. Based in Nesconset, 25 mi away

    60/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 276 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 276 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    169 Smithtown Blvd, Nesconset, NY 11767
  3. Based in Danbury, 19 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 171 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    614 Redding Rd, Redding, CT 06896
  4. Based in Stamford

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 54 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    680 E Main St STE 582, Stamford, CT 06901
  5. Based in Smithtown, 24 mi away

    58/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 147 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    769 Smithtown Bypass Unit A, Smithtown, NY 11787
  6. Based in Jefferson Valley-Yorktown, 14 mi away

    58/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 34 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  7. 57/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 70 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    110 Voice Rd, Carle Place, NY 11514
  8. Based in Stamford

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  9. Based in Sleepy Hollow, 14 mi away

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 27 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1 Broadway, Hawthorne, NY 10532
  10. 57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.6★ from 155 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 155 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    55 Brook Ave, Deer Park, NY 11729
  11. Based in Huntington Station, 16 mi away

    56/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 18 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  12. Based in New City, 17 mi away

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 29 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    597 Saw Mill River Rd, Millwood, NY 10546

Septic service companies ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 162 ranked septic service companies here; the rest are on their profiles.

septic service companies in Stamford, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Royal Sewer&Drain Service LLC565.0★ (16)In Stamford
27HS Drains LLC. 24/7 Emergency Sewer, Plumber Drain Cleaning Services Camera Inspection565.0★ (65)11 mi
28FIX-A-LEAK Plumbing & Heating Inc. | Plumber, Sewer Repair, Water Heater Installation & Heating Services Bohemia, NY564.8★ (706)13 mi
29Dr. Rooter sewer & drain experts565.0★ (287)24 mi
30East-Nor Cesspool Service, Inc.564.4★ (14)12 mi
31Epic Septic of Fairfield County565.0★ (15)16 mi
32Unlimited Excavation and Construction565.0★ (27)21 mi
33JP Plumbing and Sewer565.0★ (130)19 mi
34Dynamic Drainage LLC565.0★ (23)21 mi
35J Bond Septic Services555.0★ (7)2 mi
36A&A Systems Control Inc555.0★ (19)In Stamford
37Atomic Rooter Plumbing Sewer & Drain Cleaning555.0★ (20)8 mi
38Assured Pump Services555.0★ (19)In Stamford
39Connecticut Sewer Rooter & Drain Cleaning554.9★ (171)23 mi
40M&M Sewer and Drain555.0★ (25)10 mi
41Atomic Rooter - Plumbing, Sewer & Drain Cleaning554.8★ (25)9 mi
42Rooter Express Sewer and Drain Cleaning Corp.554.9★ (129)22 mi
43D Palladino & Son Septic Co554.7★ (29)3 mi
44Mr. Rooter Plumbing of Long Island554.7★ (1,488)25 mi
45United Site Services543.3★ (9)In Stamford
46Moran Cesspool Service Corp.545.0★ (14)23 mi
47Hupal Septics & Excavating LLC545.0★ (3)7 mi
48Liberty Drain and Sewer Inc.545.0★ (371)12 mi
49Minutemen Sewer & Drain544.5★ (202)19 mi
50Express Plumbing Sewer & Water Main Contracting Corp.544.9★ (99)23 mi

Also serving Stamford

20 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked septic service companies serving Stamford
BusinessGoogle ratingDistance
All County Sewer & Drain ServicesIn Stamford
Anthony's Sewer & Drain, llc5.0★ (2)12 mi
Atomic Rooter Plumbing Sewer and Drain Cleaning5.0★ (2)In Stamford
AZ Sewers & Drain Services5.0★ (2)16 mi
Better Home Sewerage Service5.0★ (2)16 mi
GoodFlow SolutionsIn Stamford
Highland Sewer & Drain Services3.0★ (2)In Stamford
JC Land & Site Development, INC5.0★ (2)19 mi
Mc Lean Sewer & Drain5.0★ (2)21 mi
Nyack Sewer & Drain1.0★ (2)20 mi
Oly Mattera Construction5.0★ (2)20 mi
Onevac Sewer & Drain Services Llc5.0★ (1)In Stamford
Powell Septic Services Inc5.0★ (2)15 mi
Premium Sewer & Drain3.0★ (2)10 mi
Sam's Septic Cleaning3.0★ (2)6 mi
Santini Septic Services1.0★ (2)16 mi
Skyline Septic5.0★ (2)In Stamford
Sluggo's Sewer & Drain Service, LLC3.0★ (2)22 mi
Stone Harbour Construction, LLCIn Stamford
The Brothers Sewer & Drain Co.1.0★ (2)17 mi

How we ranked Stamford septic service companies

We scored 162 Stamford septic service companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 2, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Stamford data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Stamford: frequently asked questions

Who is the best septic service company in Stamford?

By CR Score, the highest-ranked septic service company in Stamford, CT is Andersons Septic Service with a CR Score of 62/100. It has 5.0★ from 244 Google reviews. It is open 24/7. Al Dexter Septic & Drainage (#2) and Four Seasons Cesspool (#3) follow. We ranked 162 septic service companies on ten factors, last updated November 2, 2026.

How many septic service companies are there in Stamford?

ContractorsRanked ranks 162 septic service companies serving Stamford, CT. 10 of them are based in Stamford; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Stamford are open 24/7?

88 ranked septic service companies in Stamford post 24/7 hours. The highest-ranked are Andersons Septic Service (#1), Al Dexter Septic & Drainage (#2) and Four Seasons Cesspool (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Stamford work on weekends?

116 of 162 ranked septic service companies post Saturday hours and 101 post Sunday hours. The highest-ranked open Saturdays are Andersons Septic Service (#1), Al Dexter Septic & Drainage (#2) and Four Seasons Cesspool (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Stamford septic service companies have?

The median Google rating among 162 rated septic service companies in Stamford is 4.9★, with a median of 18 reviews. Mr. Rooter Plumbing of Long Island has the most, 1,488 reviews, and ranks #44. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank septic service companies?

Each septic service company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do septic service companies outside Stamford count in this ranking?

Yes, if they are within 25 mi of the Stamford city center, our service radius for septic service companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can septic service companies pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Stamford

  1. November 2026: CR Scores recalculated for 162 septic service companies serving Stamford.
  2. November 2026: 3 duplicate listings merged.

More septic service companies and Stamford pages

Other trades in Stamford