64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 283 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Ossining, NY (2026)
147 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ossining: Fred A. Cook Jr. Inc., CR Score 64/100; 4.8★ from 283 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Zuidema Septic Services & Portable Toilets, posts 24/7 hours; ranked #2 of 147.
- 2
Most-reviewed: Zuidema Septic Services & Portable Toilets, 786 Google reviews at 4.8★, the most of 147 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
147 Ossining septic service companies are ranked here by CR Score, from ten published factors. 84 are open 24/7, 108 open Saturdays and 102 open Sundays, based on posted hours. The median Google rating is 4.9★ across 147 rated businesses.
Top 10 septic service companies in Ossining at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Fred A. Cook Jr. Inc. | 64 | 4.8★ (283) | Peekskill, 8 mi away | 24/7 | Overall |
| 2 | Zuidema Septic Services & Portable Toilets | 63 | 4.8★ (786) | Midland Park, 19 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Andersons Septic Service | 61 | 5.0★ (244) | Wilton, 20 mi away | 24/7 | — |
| 4 | Evans Septic Tank Service | 61 | 4.9★ (218) | Mahopac, 18 mi away | 24/7 | — |
| 5 | Dr. Rooter sewer & drain experts | 61 | 5.0★ (287) | Chestnut Ridge, 8 mi away | 24/7 | — |
| 6 | A&M Pumps | 61 | 5.0★ (34) | Jefferson Valley-Yorktown, 7 mi away | 24/7 | — |
| 7 | East Coast Septic | 60 | 4.7★ (29) | New City, 5 mi away | 24/7 | — |
| 8 | County Septic Tank Co | 60 | 4.6★ (27) | Sleepy Hollow, 5 mi away | 24/7 | — |
| 9 | DC NY Sewer and Mechanical | 59 | 5.0★ (108) | Englewood Cliffs, 7 mi away | 24/7 | — |
| 10 | Express Sewer, Drain Cleaning & Repairs Inc . | 59 | 5.0★ (518) | The Bronx, 21 mi away | 24/7 | — |
The 147 best septic service companies in Ossining, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Midland Park, 19 mi away
63/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 786 Google reviews, the most in Ossining.
Based in Wilton, 20 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 244 Google reviews, listed on Google as “Septic system service”.
Based in Mahopac, 18 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 218 Google reviews, listed on Google as “Septic system service”.
Based in Chestnut Ridge, 8 mi away
61/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 287 Google reviews.
#6 A&M Pumps
Based in Jefferson Valley-Yorktown, 7 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Septic system service”.
Based in New City, 5 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Septic system service”.
Based in Sleepy Hollow, 5 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in Englewood Cliffs, 7 mi away
59/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 108 Google reviews.
Based in The Bronx, 21 mi away
59/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 518 Google reviews.
Based in Upper Saddle River, 16 mi away
59/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 238 Google reviews.
Based in White Plains, 8 mi away
59/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 111 Google reviews.
Based in Peekskill, 9 mi away
58/100CR ScoreRanked #13 because of its Google rating and review volume: 4.7★ from 158 Google reviews.
Based in Spring Valley, 11 mi away
58/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 150 Google reviews.
#15 Draino Sewer
Based in Spring Valley, 9 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Plumber”.
Based in Franklin Lakes, 16 mi away
58/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 702 Google reviews.
Based in Westwood, 15 mi away
58/100CR ScoreRanked #17 because of its Google rating and review volume: 4.7★ from 254 Google reviews.
Based in Yonkers, 16 mi away
58/100CR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 130 Google reviews.
Based in Ramsey, 16 mi away
58/100CR ScoreRanked #19 because of its Google rating and review volume: 5.0★ from 135 Google reviews.
Based in White Plains, 10 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Plumber”.
Based in Fair Lawn, 21 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 248 Google reviews, listed on Google as “Septic system service”.
Based in Mahwah, 13 mi away
57/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 255 Google reviews.
Based in Peekskill, 6 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in New Milford, 24 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Septic system service”.
Based in Elmwood Park, 22 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 213 Google reviews, listed on Google as “Septic system service”.
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 147 ranked septic service companies here; the rest are on their profiles.
Also serving Ossining
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 |
|---|---|---|
| A & J Sewer Specialists | 4.5★ (2) | 23 mi |
| Able Tex Sewer Rooter | 5.0★ (2) | 21 mi |
| Anthony's Sewer & Drain, llc | 5.0★ (2) | 9 mi |
| Atomic Rooter Plumbing Sewer and Drain Cleaning | 5.0★ (2) | 20 mi |
| AZ Sewers & Drain Services | 5.0★ (2) | 17 mi |
| Better Home Sewerage Service | 5.0★ (2) | 4 mi |
| Brother´s Sewer and Heating | 5.0★ (2) | 22 mi |
| Garden State Sewer & Drain | 5.0★ (2) | 22 mi |
| Highland Sewer & Drain Services | 3.0★ (2) | 18 mi |
| JC Land & Site Development, INC | 5.0★ (2) | In Ossining |
| Liberty Sewer Drain & Plumbing | 5.0★ (2) | 24 mi |
| Mc Lean Sewer & Drain | 5.0★ (2) | 18 mi |
| Nyack Sewer & Drain | 1.0★ (2) | 6 mi |
| Powell Septic Services Inc | 5.0★ (2) | 10 mi |
| Premium Sewer & Drain | 3.0★ (2) | 21 mi |
| Root Runner Plumbing Solutions | 5.0★ (2) | 19 mi |
| Sam's Septic Cleaning | 3.0★ (2) | 22 mi |
| Santini Septic Services | 1.0★ (2) | 21 mi |
| Sluggo's Sewer & Drain Service, LLC | 3.0★ (2) | 23 mi |
| The Brothers Sewer & Drain Co. | 1.0★ (2) | 6 mi |
How we ranked Ossining septic service companies
We scored 147 Ossining 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 3, 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 Ossining 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 Ossining: frequently asked questions
Who is the best septic service company in Ossining?
By CR Score, the highest-ranked septic service company in Ossining, NY is Fred A. Cook Jr. Inc. with a CR Score of 64/100. It has 4.8★ from 283 Google reviews. It is open 24/7. Zuidema Septic Services & Portable Toilets (#2) and Andersons Septic Service (#3) follow. We ranked 147 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Ossining?
ContractorsRanked ranks 147 septic service companies serving Ossining, NY. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Ossining are open 24/7?
84 ranked septic service companies in Ossining post 24/7 hours. The highest-ranked are Fred A. Cook Jr. Inc. (#1), Zuidema Septic Services & Portable Toilets (#2) and Andersons Septic Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Ossining work on weekends?
108 of 147 ranked septic service companies post Saturday hours and 102 post Sunday hours. The highest-ranked open Saturdays are Fred A. Cook Jr. Inc. (#1), Zuidema Septic Services & Portable Toilets (#2) and Andersons Septic Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ossining septic service companies have?
The median Google rating among 147 rated septic service companies in Ossining is 4.9★, with a median of 24 reviews. Zuidema Septic Services & Portable Toilets has the most, 786 reviews, and ranks #2. 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 Ossining count in this ranking?
Yes, if they are within 25 mi of the Ossining 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 Ossining
- November 2026: CR Scores recalculated for 147 septic service companies serving Ossining.
- November 2026: 3 duplicate listings merged.
More septic service companies and Ossining pages
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