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Best Septic Service Companies in Setauket-East Setauket, NY (2026)

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

The short answer

  1. 1

    Best overall in Setauket-East Setauket: Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island, CR Score 64/100; 4.9★ from 699 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Four Seasons Cesspool, posts 24/7 hours; ranked #2 of 180.

  3. 27

    Most-reviewed: Mr. Rooter Plumbing of Long Island, 1,488 Google reviews at 4.7★, the most of 180 ranked; ranked #27.

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

180 Setauket-East Setauket septic service companies are ranked here by CR Score, from ten published factors. 109 are open 24/7, 144 open Saturdays and 129 open Sundays, based on posted hours. The median Google rating is 4.9★ across 180 rated businesses.

Top 10 septic service companies in Setauket-East Setauket at a glance

Top 10 septic service companies in Setauket-East Setauket at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island644.9★ (699)Brentwood, 10 mi away24/7Overall
2Four Seasons Cesspool645.0★ (276)Nesconset, 7 mi away24/7Emergencies
3Discount Cesspool & Drain Inc.644.9★ (481)Brentwood, 10 mi away24/7—
4Reputable Cesspool & Drain635.0★ (147)Smithtown, 6 mi away24/7—
5Certified Cesspool Service Suffolk County | Cesspool Pumping Suffolk NY634.8★ (411)Stony Brook, 10 mi away24/7—
6White Wolf Cesspool Services624.9★ (729)Commack, 9 mi away——
7Finest Cesspool Sewer & Drain Inc624.9★ (186)Coram, 10 mi away24/7—
8SewerTech Cesspool & Drain625.0★ (134)Medford, 10 mi away24/7—
9AAA Dependable Cesspool, Sewer & Drain Service Inc.614.9★ (92)Ronkonkoma, 8 mi away24/7—
10Battlin' Barry's Cesspool Sewe614.9★ (121)Holbrook, 11 mi away24/7—

The 180 best septic service companies in Setauket-East Setauket, ranked

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

  1. Ranked #1 in Setauket-East Setauket

    Based in Brentwood, 10 mi away

    64/100CR Score

    Ranked #1 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.

    • 4.9★ from 699 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    180 Blydenburgh Rd, Islandia, NY 11749
  2. Based in Nesconset, 7 mi away

    64/100CR Score

    Ranked #2 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 Smithtown, 6 mi away

    63/100CR Score

    Ranked #4 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
  4. Based in Medford, 10 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 134 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    91a Southaven Ave, Medford, NY 11763
  5. 61/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “Septic system service”.

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

    • 4.8★ from 132 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  6. Based in Centereach, 5 mi away

    60/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Septic system service”.

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

    • 4.9★ from 78 Google reviews
    Hours
    Mon–Sun 7 AM–9 PM
    Address
    6 Arthur Ave, Centereach, NY 11720
  7. Based in Ronkonkoma, 10 mi away

    60/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.7★ from 196 Google reviews, listed on Google as “Septic system service”.

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

    • 4.7★ from 196 Google reviews
    Hours
    Mon–Sun 7 AM–10 PM
    Address
    847 11th St, Ronkonkoma, NY 11779
  8. Based in Coram, 7 mi away

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Septic system service”.

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

    • 4.9★ from 108 Google reviews
    Hours
    Mon–Sat 8 AM–7:30 PM · Sun closed
  9. 59/100CR Score

    Ranked #19 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
  10. Based in East Patchogue, 13 mi away

    58/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 89 Google reviews, listed on Google as “Septic system service”.

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

    • 4.8★ from 89 Google reviews
    Hours
    Mon–Sun 12 AM–11:30 PM
    Address
    363 N Dunton Ave, East Patchogue, NY 11772
  11. Based in Coram, 1 mi away

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Septic system service”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.8★ from 24 Google reviews
    Address
    7 Bobcat Ln, Setauket- East Setauket, NY 11733

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 180 ranked septic service companies here; the rest are on their profiles.

septic service companies in Setauket-East Setauket, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Strong Island Cesspool and Drain | 24/7 Cesspool Service | Cesspool Pumping585.0★ (93)24 mi
27Mr. Rooter Plumbing of Long Island574.7★ (1,488)13 mi
28Moran Cesspool Service Corp.575.0★ (14)11 mi
29Outback Cesspool Service574.8★ (20)14 mi
30Unlimited Excavation and Construction565.0★ (27)19 mi
31UNIVERSAL SEWER AND DRAIN LLC564.9★ (66)10 mi
32Emergency Cesspool Pumping Long Island | Certified Cesspool Service Suffolk NY565.0★ (50)24 mi
33Suffolk Septic Services | Septic Tank Pumping Suffolk NY564.4★ (11)10 mi
3489.95 Sewer and Drainage565.0★ (18)17 mi
35Connecticut Sewer Rooter & Drain Cleaning564.9★ (171)18 mi
36Al Dexter Septic & Drainage564.8★ (48)23 mi
37Murph’s Drainage Solutions Inc. | Cesspool Service565.0★ (159)10 mi
38Bill Mallins Cesspool Service Corp.564.7★ (15)8 mi
39Septic System Services Long Island | Septic Tank Pumping Suffolk NY565.0★ (6)10 mi
40Epic Septic of Fairfield County565.0★ (15)17 mi
41Rignola Cesspool Services565.0★ (40)25 mi
42Deep Impact Cesspool Service Inc564.4★ (53)13 mi
43Suffolk Septic System Installation | Septic Tank Replacement Suffolk County NY565.0★ (5)10 mi
44Coleman Cesspool Service564.7★ (26)13 mi
45J Rooter Sewer and Drain Cleaning565.0★ (167)22 mi
46Speckless Sewer & Drain Cleaning,LLC564.9★ (21)4 mi
47Dan Pazienza Cesspool Services564.0★ (23)2 mi
48Cesspool Kings555.0★ (33)24 mi
49CMM Cesspool Services | Cesspool Pumping & Drain Cleaning555.0★ (6)12 mi
50Great River Cesspool Services554.0★ (4)7 mi

Also serving Setauket-East Setauket

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.

How we ranked Setauket-East Setauket septic service companies

We scored 180 Setauket-East Setauket 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Setauket-East Setauket 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 Setauket-East Setauket: frequently asked questions

Who is the best septic service company in Setauket-East Setauket?

By CR Score, the highest-ranked septic service company in Setauket-East Setauket, NY is Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island with a CR Score of 64/100. It has 4.9★ from 699 Google reviews. It is open 24/7. Four Seasons Cesspool (#2) and Discount Cesspool & Drain Inc. (#3) follow. We ranked 180 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Setauket-East Setauket?

ContractorsRanked ranks 180 septic service companies serving Setauket-East Setauket, NY. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Setauket-East Setauket are open 24/7?

109 ranked septic service companies in Setauket-East Setauket post 24/7 hours. The highest-ranked are Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island (#1), Four Seasons Cesspool (#2) and Discount Cesspool & Drain Inc. (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Setauket-East Setauket work on weekends?

144 of 180 ranked septic service companies post Saturday hours and 129 post Sunday hours. The highest-ranked open Saturdays are Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island (#1), Four Seasons Cesspool (#2) and Discount Cesspool & Drain Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Setauket-East Setauket septic service companies have?

The median Google rating among 180 rated septic service companies in Setauket-East Setauket is 4.9★, with a median of 21 reviews. Mr. Rooter Plumbing of Long Island has the most, 1,488 reviews, and ranks #27. 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 Setauket-East Setauket count in this ranking?

Yes, if they are within 25 mi of the Setauket-East Setauket 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 Setauket-East Setauket

  1. November 2026: CR Scores recalculated for 180 septic service companies serving Setauket-East Setauket.
  2. November 2026: 4 duplicate listings merged.

More septic service companies and Setauket-East Setauket pages

Other trades in Setauket-East Setauket