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Best Septic Service Companies in Brentwood, NY (2026)

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

The short answer

  1. 1

    Best overall in Brentwood: Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island, CR Score 67/100; 4.9★ from 699 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Discount Cesspool & Drain Inc., posts 24/7 hours; ranked #2 of 158.

  3. 16

    Most-reviewed: Mr. Rooter Plumbing of Long Island, 1,488 Google reviews at 4.7★, the most of 158 ranked; ranked #16.

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

158 Brentwood septic service companies are ranked here by CR Score, from ten published factors. 99 are open 24/7, 130 open Saturdays and 118 open Sundays, based on posted hours. The median Google rating is 4.9★ across 158 rated businesses.

Top 10 septic service companies in Brentwood at a glance

Top 10 septic service companies in Brentwood at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island674.9★ (699)Brentwood24/7Overall
2Discount Cesspool & Drain Inc.664.9★ (481)Brentwood24/7Emergencies
3Four Seasons Cesspool645.0★ (276)Nesconset, 6 mi away24/7—
4White Wolf Cesspool Services634.9★ (729)Commack, 6 mi away——
5Reputable Cesspool & Drain635.0★ (147)Smithtown, 7 mi away24/7—
6Rapid Response Cesspool, Sewer & Drain634.9★ (108)Bay Shore, 4 mi away24/7—
7Emergency Cesspool Pumping Long Island | Certified Cesspool Service Suffolk NY625.0★ (50)Brentwood24/7—
824/7 CESSPOOL SEPTIC SERVICE SUFFOLK COUNTY - Drastic Drainage Long Island624.8★ (132)West Babylon, 6 mi away24/7—
9AAA Dependable Cesspool, Sewer & Drain Service Inc.624.9★ (92)Ronkonkoma, 6 mi away24/7—
10Cesspool Pros & Sewer and Drain Pros of Suffolk & Nassau County624.6★ (155)Deer Park, 4 mi away24/7—

The 158 best septic service companies in Brentwood, ranked

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

  1. 67/100CR 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, 6 mi away

    64/100CR 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 Smithtown, 7 mi away

    63/100CR Score

    Ranked #5 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. 62/100CR Score

    Ranked #10 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
  5. Based in Brentwood

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 33 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  6. Based in Medford, 13 mi away

    61/100CR Score

    Ranked #13 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
  7. Based in Brentwood

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  8. Based in Ronkonkoma, 7 mi away

    60/100CR Score

    Ranked #18 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
  9. Based in Brentwood

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.4★ from 53 Google reviews, listed on Google as “Septic system service”.

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

    • 4.4★ from 53 Google reviews
    Hours
    Mon 7 AM–6:30 PM · Tue–Sat 7 AM–7:45 PM · Sun 9 AM–6 PM
    Address
    900 Crooked Hill Rd, Brentwood, NY 11717
  10. Based in Coram, 7 mi away

    59/100CR Score

    Ranked #24 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

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

septic service companies in Brentwood, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Perfect Pumping LLC584.9★ (78)11 mi
27Best Flo Cesspool Service Suffolk County584.4★ (87)11 mi
28Wilson's Plumbing Heating HVAC & Electric585.0★ (258)4 mi
29Edwards Sewer & Drains Inc584.8★ (76)4 mi
30Colletti Sewer and Drain585.0★ (55)18 mi
3189.95 Sewer and Drainage585.0★ (18)9 mi
32Citywide Grease Trap Maintenance | Cesspool Pumping Service Long Island584.9★ (70)20 mi
33Direct Drainage Inc.574.8★ (89)15 mi
34Sal Manzo Plumbing, Heating & Cooling574.8★ (1,390)15 mi
35Great River Cesspool Services574.0★ (4)In Brentwood
36Magic Cesspool Service Inc.574.4★ (14)2 mi
37East Coast Sewer & Drain575.0★ (41)5 mi
38Lange Family Cesspool & Sewer574.4★ (7)In Brentwood
39World Class Sewer & Drain575.0★ (142)16 mi
40FIX-A-LEAK Plumbing & Heating Inc. | Plumber, Sewer Repair, Water Heater Installation & Heating Services Bohemia, NY574.8★ (706)12 mi
41Anthony's Any Sewer Any Drain, LLC564.8★ (201)16 mi
42Sewer & Drains Services565.0★ (120)16 mi
43Mr. Pump564.3★ (86)5 mi
44Rescue Cesspool & Drain564.8★ (136)4 mi
45Minutemen Sewer & Drain564.5★ (202)11 mi
46Outback Cesspool Service564.8★ (20)16 mi
47Quick Drain565.0★ (6)9 mi
48Quick Drain565.0★ (126)8 mi
49Bill Mallins Cesspool Service Corp.564.7★ (15)8 mi
50All Island Plumbing Heating & Cooling564.9★ (283)12 mi

Also serving Brentwood

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 Brentwood septic service companies

We scored 158 Brentwood 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 Brentwood 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 Brentwood: frequently asked questions

Who is the best septic service company in Brentwood?

By CR Score, the highest-ranked septic service company in Brentwood, NY is Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island with a CR Score of 67/100. It has 4.9★ from 699 Google reviews. It is open 24/7. Discount Cesspool & Drain Inc. (#2) and Four Seasons Cesspool (#3) follow. We ranked 158 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Brentwood?

ContractorsRanked ranks 158 septic service companies serving Brentwood, NY. 10 of them are based in Brentwood; 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 Brentwood are open 24/7?

99 ranked septic service companies in Brentwood post 24/7 hours. The highest-ranked are Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island (#1), Discount Cesspool & Drain Inc. (#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 Brentwood work on weekends?

130 of 158 ranked septic service companies post Saturday hours and 118 post Sunday hours. The highest-ranked open Saturdays are Affordable Cesspool Sewer & Drain | Septic & Grease Trap Service - Long Island (#1), Discount Cesspool & Drain Inc. (#2) and Four Seasons Cesspool (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Brentwood septic service companies have?

The median Google rating among 158 rated septic service companies in Brentwood is 4.9★, with a median of 22 reviews. Mr. Rooter Plumbing of Long Island has the most, 1,488 reviews, and ranks #16. 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 Brentwood count in this ranking?

Yes, if they are within 25 mi of the Brentwood 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 Brentwood

  1. November 2026: CR Scores recalculated for 158 septic service companies serving Brentwood.
  2. November 2026: 3 duplicate listings merged.

More septic service companies and Brentwood pages

Other trades in Brentwood