64/100CR 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.
Best Septic Service Companies in Norwalk, CT (2026)
135 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Norwalk: Andersons Septic Service, CR Score 64/100; 5.0★ from 244 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Al Dexter Septic & Drainage, posts 24/7 hours; ranked #2 of 135.
- 7
Most-reviewed: White Wolf Cesspool Services, 729 Google reviews at 4.9★, the most of 135 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
135 Norwalk septic service companies are ranked here by CR Score, from ten published factors. 60 are open 24/7, 90 open Saturdays and 74 open Sundays, based on posted hours. The median Google rating is 4.9★ across 135 rated businesses.
Top 10 septic service companies in Norwalk at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Andersons Septic Service | 64 | 5.0★ (244) | Wilton, 9 mi away | 24/7 | Overall |
| 2 | Al Dexter Septic & Drainage | 62 | 4.8★ (48) | Stamford, 3 mi away | 24/7 | Emergencies |
| 3 | Rick's Pump and Water Service | 62 | 4.9★ (171) | Danbury, 14 mi away | 24/7 | — |
| 4 | Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island | 62 | 4.9★ (699) | Brentwood, 25 mi away | 24/7 | — |
| 5 | Discount Cesspool & Drain Inc. | 61 | 4.9★ (481) | Brentwood, 25 mi away | 24/7 | — |
| 6 | Four Seasons Cesspool | 61 | 5.0★ (276) | Nesconset, 23 mi away | 24/7 | — |
| 7 | White Wolf Cesspool Services | 61 | 4.9★ (729) | Commack, 19 mi away | — | Most reviews |
| 8 | Reputable Cesspool & Drain | 60 | 5.0★ (147) | Smithtown, 23 mi away | 24/7 | — |
| 9 | J Rooter Sewer and Drain Cleaning | 60 | 5.0★ (167) | Bridgeport, 9 mi away | 24/7 | — |
| 10 | Unlimited Excavation and Construction | 59 | 5.0★ (27) | Bridgeport, 13 mi away | 24/7 | — |
The 135 best septic service companies in Norwalk, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Stamford, 3 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 48 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Danbury, 14 mi away
62/100CR ScoreRanked #3 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.
Based in Brentwood, 25 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 699 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 25 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 481 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nesconset, 23 mi away
61/100CR ScoreRanked #6 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.
Based in Commack, 19 mi away
61/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 729 Google reviews, the most in Norwalk.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Smithtown, 23 mi away
60/100CR ScoreRanked #8 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.
Based in Bridgeport, 9 mi away
60/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 167 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 13 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 9 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Darien, 6 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 A&M Pumps
Based in Jefferson Valley-Yorktown, 18 mi away
58/100CR ScoreRanked #13 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.
Based in Ronkonkoma, 25 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 15 mi away
58/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 171 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stamford, 8 mi away
58/100CR ScoreRanked #16 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.
Based in Norwalk
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Southbury, 24 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 268 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 1 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stamford, 7 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Englewood Cliffs, 17 mi away
57/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 108 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 All Star Rooter
Based in Norwalk
57/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 53 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shelton, 20 mi away
57/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 722 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stamford, 7 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 10 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
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 135 ranked septic service companies here; the rest are on their profiles.
Also serving Norwalk
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.
| Business | Google rating | Distance |
|---|---|---|
| ABC Sewer Services Inc | 5.0★ (2) | 25 mi |
| Anthony's Sewer & Drain, llc | 5.0★ (2) | 20 mi |
| Artco Construction INC | 5.0★ (2) | 23 mi |
| Assured Pump Services | In Norwalk | |
| Atomic Rooter Plumbing Sewer and Drain Cleaning | 5.0★ (2) | 8 mi |
| AZ Sewers & Drain Services | 5.0★ (2) | 24 mi |
| Better Home Sewerage Service | 5.0★ (2) | 22 mi |
| Highland Sewer & Drain Services | 3.0★ (2) | 9 mi |
| JC Land & Site Development, INC | 5.0★ (2) | 24 mi |
| Norwalk Plumbing & Drain | In Norwalk | |
| Oly Mattera Construction | 5.0★ (2) | 13 mi |
| Powell Septic Services Inc | 5.0★ (2) | 17 mi |
| Premium Sewer & Drain | 3.0★ (2) | 17 mi |
| Sam's Septic Cleaning | 3.0★ (2) | In Norwalk |
| Santini Septic Services | 1.0★ (2) | 12 mi |
| Shelton Septic & Sewer | 4.0★ (2) | 24 mi |
| Skyline Septic | 5.0★ (2) | 13 mi |
| Swanson Septic Services LLC | In Norwalk | |
| The Brothers Sewer & Drain Co. | 1.0★ (2) | 24 mi |
| Tony's Sewer & Drain Corporation | In Norwalk |
How we ranked Norwalk septic service companies
We scored 135 Norwalk 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.
| Factor | Weight | Computed from | In Norwalk data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Septic service companies in Norwalk: frequently asked questions
Who is the best septic service company in Norwalk?
By CR Score, the highest-ranked septic service company in Norwalk, CT is Andersons Septic Service with a CR Score of 64/100. It has 5.0★ from 244 Google reviews. It is open 24/7. Al Dexter Septic & Drainage (#2) and Rick's Pump and Water Service (#3) follow. We ranked 135 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Norwalk?
ContractorsRanked ranks 135 septic service companies serving Norwalk, CT. 4 of them are based in Norwalk; 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 Norwalk are open 24/7?
60 ranked septic service companies in Norwalk post 24/7 hours. The highest-ranked are Andersons Septic Service (#1), Al Dexter Septic & Drainage (#2) and Rick's Pump and Water Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Norwalk work on weekends?
90 of 135 ranked septic service companies post Saturday hours and 74 post Sunday hours. The highest-ranked open Saturdays are Andersons Septic Service (#1), Al Dexter Septic & Drainage (#2) and Rick's Pump and Water Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Norwalk septic service companies have?
The median Google rating among 135 rated septic service companies in Norwalk is 4.9★, with a median of 17 reviews. White Wolf Cesspool Services has the most, 729 reviews, and ranks #7. 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 Norwalk count in this ranking?
Yes, if they are within 25 mi of the Norwalk 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 Norwalk
- November 2026: CR Scores recalculated for 135 septic service companies serving Norwalk.
- November 2026: 2 duplicate listings merged.
More septic service companies and Norwalk pages
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