63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 908 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Dover, NJ (2026)
127 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Dover: Wilson Services, CR Score 63/100; 4.9★ from 908 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): EarthCare, a Wind River Company, posts 24/7 hours; ranked #2 of 127.
- 8
Most-reviewed: Roto-Rooter, 3,480 Google reviews at 4.9★, the most of 127 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
127 Dover septic service companies are ranked here by CR Score, from ten published factors. 60 are open 24/7, 92 open Saturdays and 74 open Sundays, based on posted hours. The median Google rating is 4.9★ across 127 rated businesses.
Top 10 septic service companies in Dover at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Wilson Services | 63 | 4.9★ (908) | Sparta, 13 mi away | 24/7 | Overall |
| 2 | EarthCare, a Wind River Company | 61 | 4.8★ (261) | West Milford, 9 mi away | 24/7 | Emergencies |
| 3 | EarthCare, A Wind River Company | 61 | 4.9★ (1,913) | West Milford, 24 mi away | 24/7 | — |
| 4 | RDH Plumbing Sewer & Drain Specialist | 60 | 5.0★ (203) | Rockaway, 3 mi away | 24/7 | — |
| 5 | Zuidema Septic Services & Portable Toilets | 60 | 4.8★ (786) | Midland Park, 23 mi away | 24/7 | — |
| 6 | Ever-Green Inspection Services LLC | 60 | 4.9★ (693) | Sparta, 10 mi away | Sat | — |
| 7 | ATS Environmental | 59 | 4.9★ (274) | Sparta, 14 mi away | Sat · Sun · Evenings | — |
| 8 | Roto-Rooter | 59 | 4.9★ (3,480) | East Hanover, 11 mi away | 24/7 | Most reviews |
| 9 | Tiger Grease and Septic | 59 | 4.9★ (28) | Paterson, 8 mi away | 24/7 | — |
| 10 | Oak Tree Inspection Services LLC | 58 | 4.9★ (259) | Sparta, 12 mi away | Sat | — |
The 127 best septic service companies in Dover, 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 West Milford, 9 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 261 Google reviews, listed on Google as “Septic system service”.
Based in West Milford, 24 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 1,913 Google reviews, listed on Google as “Septic system service”.
Based in Rockaway, 3 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 203 Google reviews, listed on Google as “Plumber”.
Based in Midland Park, 23 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 786 Google reviews, listed on Google as “Septic system service”.
Based in Sparta, 10 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 693 Google reviews, listed on Google as “Septic system service”.
Based in Sparta, 14 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 274 Google reviews, listed on Google as “Septic system service”.
#8 Roto-Rooter
Based in East Hanover, 11 mi away
59/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 3,480 Google reviews, the most in Dover.
Based in Paterson, 8 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in Sparta, 12 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 259 Google reviews, listed on Google as “Septic system service”.
Based in Washington Heights, 19 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Septic system service”.
Based in Landing, 5 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 101 Google reviews, listed on Google as “Plumber”.
Based in Cedar Grove, 9 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Plumber”.
Based in Hopatcong, 9 mi away
57/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 478 Google reviews.
Based in Fairfield, 13 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 196 Google reviews, listed on Google as “Plumber”.
Based in Fairfield, 14 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 274 Google reviews, listed on Google as “Plumber”.
Based in Chatham, 14 mi away
57/100CR ScoreRanked #17 because of its Google rating and review volume: 4.8★ from 1,940 Google reviews.
Based in Middlesex, 22 mi away
57/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 848 Google reviews.
Based in Maplewood, 18 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “Plumber”.
Based in Wanaque, 18 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 152 Google reviews, listed on Google as “Plumber”.
Based in Hopatcong, 8 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based in Fair Lawn, 23 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 248 Google reviews, listed on Google as “Septic system service”.
Based in Budd Lake, 6 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Elmwood Park, 24 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 213 Google reviews, listed on Google as “Septic system service”.
Based in Carlstadt, 19 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 132 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 127 ranked septic service companies here; the rest are on their profiles.
Also serving Dover
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) | 25 mi |
| 911 Sewer & Drain of Little Falls | 5.0★ (2) | 22 mi |
| Aaron Excavating & Associates | 5.0★ (2) | 6 mi |
| ABC PLUMBING & SEWERS | 5.0★ (2) | 19 mi |
| Able Tex Sewer Rooter | 3.0★ (2) | 24 mi |
| Advanced Septic Inspections | 5.0★ (2) | 14 mi |
| American Contractors | 3.0★ (2) | 3 mi |
| B Horstmann Septic Services LLC | 2.0★ (1) | In Dover |
| Dover Sewer Department | 5.0★ (1) | In Dover |
| Flow Pro Sewer and Drain Cleaning Professionals | 5.0★ (1) | 5 mi |
| Garden State Sewer & Drain | 5.0★ (2) | 19 mi |
| KCM Construction LLC | 4.0★ (2) | 15 mi |
| Morris County Septic Services | 5.0★ (1) | 9 mi |
| Norton Sewer & Drain Lake | 3.0★ (2) | 9 mi |
| Plainfield Sewer & Drain Corporation | 1.5★ (2) | 17 mi |
| Sure Flow Septic Inspections | 5.0★ (1) | 6 mi |
| T.P. Trezza Contracting Inc. | 5.0★ (2) | 24 mi |
| Teramax LLC | 3.0★ (2) | 6 mi |
| Texagon Septic Pumping | 5.0★ (2) | 8 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 3 mi |
How we ranked Dover septic service companies
We scored 127 Dover 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 Dover 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 Dover: frequently asked questions
Who is the best septic service company in Dover?
By CR Score, the highest-ranked septic service company in Dover, NJ is Wilson Services with a CR Score of 63/100. It has 4.9★ from 908 Google reviews. It is open 24/7. EarthCare, a Wind River Company (#2) and EarthCare, A Wind River Company (#3) follow. We ranked 127 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Dover?
ContractorsRanked ranks 127 septic service companies serving Dover, NJ. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Dover are open 24/7?
60 ranked septic service companies in Dover post 24/7 hours. The highest-ranked are Wilson Services (#1), EarthCare, a Wind River Company (#2) and EarthCare, A Wind River Company (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Dover work on weekends?
92 of 127 ranked septic service companies post Saturday hours and 74 post Sunday hours. The highest-ranked open Saturdays are Wilson Services (#1), EarthCare, a Wind River Company (#2) and EarthCare, A Wind River Company (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Dover septic service companies have?
The median Google rating among 127 rated septic service companies in Dover is 4.9★, with a median of 23 reviews. Roto-Rooter has the most, 3,480 reviews, and ranks #8. 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 Dover count in this ranking?
Yes, if they are within 25 mi of the Dover 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 Dover
- November 2026: CR Scores recalculated for 127 septic service companies serving Dover.
More septic service companies and Dover pages
Septic service companies near Dover
- Septic service companies in Randolph, NJ126 ranked
- Septic service companies in Hopatcong, NJ91 ranked
- Septic service companies in Hopatcong Hills, NJ87 ranked
- Septic service companies in Parsippany, NJ174 ranked
- Septic service companies in Morristown, NJ161 ranked
- Septic service companies in Sparta, NJ81 ranked
- Septic service companies in East Hanover, NJ213 ranked
- Septic service companies in Florham Park, NJ215 ranked
- Septic service companies in Madison, NJ200 ranked
- Septic service companies in Hanover, NJ222 ranked
Other trades in Dover
- Roofers in Dover2644 ranked
- Plumbers in Dover852 ranked
- Electricians in Dover639 ranked
- HVAC contractors in Dover1122 ranked
- General contractors in Dover1360 ranked
- Painters in Dover242 ranked
- Landscapers in Dover356 ranked
- Handymen in Dover93 ranked
- Kitchen remodelers in Dover705 ranked
- Bathroom remodelers in Dover665 ranked
- Flooring contractors in Dover451 ranked
- Tile installers in Dover79 ranked
- Drywall contractors in Dover16 ranked
- Concrete contractors in Dover258 ranked
- Fence contractors in Dover176 ranked
- Deck builders in Dover293 ranked
- Siding contractors in Dover892 ranked
- Window installers in Dover720 ranked
- Gutter installers in Dover427 ranked
- Insulation contractors in Dover110 ranked
- Solar installers in Dover180 ranked
- Garage door repair companies in Dover152 ranked
- Foundation repair companies in Dover477 ranked
- Tree services in Dover379 ranked
- Masonry contractors in Dover690 ranked
- Water damage restoration companies in Dover1196 ranked
- Home builders in Dover683 ranked
- Demolition contractors in Dover123 ranked
- Window cleaners in Dover62 ranked
- Pressure washing companies in Dover105 ranked
- Pest control companies in Dover232 ranked
- Paving contractors in Dover321 ranked
- Auto glass repair shops in Dover165 ranked
- Excavating contractors in Dover191 ranked
- Pool builders in Dover386 ranked
- All contractors in Dover