62/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 1,092 Google reviews.
Best Septic Service Companies in Clark, NJ (2026)
234 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clark: PowerFlo Sewer Service, CR Score 62/100; 5.0★ from 1,092 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Arrow Sewer and Drain, posts 24/7 hours; ranked #2 of 234.
- 5
Most-reviewed: Pipe Works Services, Inc., 1,940 Google reviews at 4.8★, the most of 234 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
234 Clark septic service companies are ranked here by CR Score, from ten published factors. 141 are open 24/7, 185 open Saturdays and 171 open Sundays, based on posted hours. The median Google rating is 4.9★ across 234 rated businesses.
Top 10 septic service companies in Clark at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PowerFlo Sewer Service | 62 | 5.0★ (1,092) | Staten Island, 9 mi away | 24/7 | Overall |
| 2 | Arrow Sewer and Drain | 60 | 4.9★ (848) | Middlesex, 12 mi away | 24/7 | Emergencies |
| 3 | NY Sewer and Drain | 60 | 5.0★ (65) | Staten Island, 11 mi away | 24/7 | — |
| 4 | All Flow Sewer & Drain Service | 60 | 5.0★ (200) | Maplewood, 5 mi away | 24/7 | — |
| 5 | Pipe Works Services, Inc. | 60 | 4.8★ (1,940) | Chatham, 7 mi away | 24/7 | Most reviews |
| 6 | Freedom Plumbing Heating and Sewer Service LLC | 59 | 4.9★ (255) | Rahway, 3 mi away | 24/7 | — |
| 7 | 123 Sewer & Drain | 58 | 5.0★ (69) | Washington Heights, 18 mi away | 24/7 | — |
| 8 | EarthCare, a Wind River Company | 58 | 4.8★ (261) | West Milford, 24 mi away | 24/7 | — |
| 9 | Arrow Sewer and Drain | 58 | 4.8★ (122) | South Plainfield, 6 mi away | 24/7 | — |
| 10 | Edison Sewer & Drain Service | 58 | 4.9★ (149) | Piscataway, 9 mi away | 24/7 | — |
The 234 best septic service companies in Clark, 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 Middlesex, 12 mi away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 848 Google reviews.
Based in Staten Island, 11 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Septic system service”.
Based in Maplewood, 5 mi away
60/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 200 Google reviews.
Based in Chatham, 7 mi away
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 1,940 Google reviews, the most in Clark.
Based in Rahway, 3 mi away
59/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 255 Google reviews.
Based in Washington Heights, 18 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Septic system service”.
Based in West Milford, 24 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 261 Google reviews, listed on Google as “Septic system service”.
Based in South Plainfield, 6 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 122 Google reviews, listed on Google as “Plumber”.
Based in Piscataway, 9 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 149 Google reviews, listed on Google as “Plumber”.
Based in Brooklyn, 18 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 401 Google reviews.
Based in Staten Island, 9 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Plumber”.
Based in Paterson, 13 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in Bloomfield, 5 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “HVAC contractor”.
Based in Mountainside, 4 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 146 Google reviews, listed on Google as “Plumber”.
Based in Fairfield, 16 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 196 Google reviews, listed on Google as “Plumber”.
Based in Brooklyn, 19 mi away
57/100CR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 304 Google reviews.
Based in Springfield, 5 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Plumber”.
Based in Staten Island, 7 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Plumber”.
Based in Staten Island, 10 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.0★ from 88 Google reviews, listed on Google as “Septic system service”.
Based in Fairfield, 17 mi away
57/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 274 Google reviews.
Based in Brooklyn, 20 mi away
57/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 326 Google reviews.
Based in Elizabeth, 10 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Plumber”.
Based in Staten Island, 9 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Plumber”.
Based in Staten Island, 9 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Plumber”.
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 234 ranked septic service companies here; the rest are on their profiles.
Also serving Clark
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 |
|---|---|---|
| 911 Sewer & Drain of East Rutherford | 5.0★ (2) | 15 mi |
| 911 Sewer & Drain of Little Falls | 5.0★ (2) | 15 mi |
| A & J Sewer Specialists | 4.5★ (2) | 21 mi |
| A 49.95 Any Sewer Or Drain | 5.0★ (2) | 22 mi |
| ABC PLUMBING & SEWERS | 5.0★ (2) | 7 mi |
| Able Tex Sewer Rooter | 3.0★ (2) | 17 mi |
| Able Tex Sewer Rooter | 5.0★ (2) | 22 mi |
| Brother´s Sewer and Heating | 5.0★ (2) | 21 mi |
| Eagles Sewer & Drainage | 3.0★ (2) | 17 mi |
| KCM Construction LLC | 4.0★ (2) | 23 mi |
| Liberty Sewer Drain & Plumbing | 5.0★ (2) | 21 mi |
| Norton Sewer & Drain Lake | 3.0★ (2) | 17 mi |
| Plainfield Sewer & Drain Corporation | 1.5★ (2) | 8 mi |
| Reliable Septic Pumping Incorporated | 5.0★ (2) | 8 mi |
| Ridgewood Sewer & Drain Cleaning | 3.0★ (2) | 22 mi |
| Sewer King Co | 2.5★ (2) | 22 mi |
| South Brunswick Contracting | 5.0★ (2) | 21 mi |
| Sun Ray Sewer & Drain | 4.5★ (2) | 20 mi |
| T.P. Trezza Contracting Inc. | 5.0★ (2) | 16 mi |
| Teramax LLC | 3.0★ (2) | 23 mi |
How we ranked Clark septic service companies
We scored 234 Clark 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 Clark 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 Clark: frequently asked questions
Who is the best septic service company in Clark?
By CR Score, the highest-ranked septic service company in Clark, NJ is PowerFlo Sewer Service with a CR Score of 62/100. It has 5.0★ from 1,092 Google reviews. It is open 24/7. Arrow Sewer and Drain (#2) and NY Sewer and Drain (#3) follow. We ranked 234 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Clark?
ContractorsRanked ranks 234 septic service companies serving Clark, NJ. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Clark are open 24/7?
141 ranked septic service companies in Clark post 24/7 hours. The highest-ranked are PowerFlo Sewer Service (#1), Arrow Sewer and Drain (#2) and NY Sewer and Drain (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Clark work on weekends?
185 of 234 ranked septic service companies post Saturday hours and 171 post Sunday hours. The highest-ranked open Saturdays are PowerFlo Sewer Service (#1), Arrow Sewer and Drain (#2) and NY Sewer and Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Clark septic service companies have?
The median Google rating among 234 rated septic service companies in Clark is 4.9★, with a median of 24 reviews. Pipe Works Services, Inc. has the most, 1,940 reviews, and ranks #5. 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 Clark count in this ranking?
Yes, if they are within 25 mi of the Clark 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 Clark
- November 2026: CR Scores recalculated for 234 septic service companies serving Clark.
- November 2026: 1 duplicate listing merged.
More septic service companies and Clark pages
Septic service companies near Clark
- Septic service companies in Cranford, NJ244 ranked
- Septic service companies in Westfield, NJ233 ranked
- Septic service companies in Roselle, NJ247 ranked
- Septic service companies in Rahway, NJ239 ranked
- Septic service companies in Roselle Park, NJ249 ranked
- Septic service companies in Linden, NJ243 ranked
- Septic service companies in Scotch Plains, NJ215 ranked
- Septic service companies in Avenel, NJ227 ranked
- Septic service companies in Springfield, NJ250 ranked
- Septic service companies in Iselin, NJ214 ranked
Other trades in Clark
- Roofers in Clark3250 ranked
- Plumbers in Clark1850 ranked
- Electricians in Clark1242 ranked
- HVAC contractors in Clark2492 ranked
- General contractors in Clark3319 ranked
- Painters in Clark536 ranked
- Landscapers in Clark535 ranked
- Handymen in Clark223 ranked
- Kitchen remodelers in Clark1524 ranked
- Bathroom remodelers in Clark1410 ranked
- Flooring contractors in Clark1017 ranked
- Tile installers in Clark183 ranked
- Drywall contractors in Clark35 ranked
- Concrete contractors in Clark559 ranked
- Fence contractors in Clark338 ranked
- Deck builders in Clark434 ranked
- Siding contractors in Clark1158 ranked
- Window installers in Clark898 ranked
- Gutter installers in Clark690 ranked
- Insulation contractors in Clark247 ranked
- Solar installers in Clark256 ranked
- Garage door repair companies in Clark299 ranked
- Foundation repair companies in Clark561 ranked
- Tree services in Clark506 ranked
- Masonry contractors in Clark1238 ranked
- Water damage restoration companies in Clark1466 ranked
- Home builders in Clark889 ranked
- Demolition contractors in Clark235 ranked
- Window cleaners in Clark135 ranked
- Pressure washing companies in Clark213 ranked
- Pest control companies in Clark718 ranked
- Paving contractors in Clark543 ranked
- Auto glass repair shops in Clark329 ranked
- Excavating contractors in Clark220 ranked
- Pool builders in Clark475 ranked
- All contractors in Clark