61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 786 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Hanover, NJ (2026)
222 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Hanover: Zuidema Septic Services & Portable Toilets, CR Score 61/100; 4.8★ from 786 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): EarthCare, a Wind River Company, posts 24/7 hours; ranked #2 of 222.
- 23
Most-reviewed: Roto-Rooter, 3,480 Google reviews at 4.9★, the most of 222 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
222 Hanover septic service companies are ranked here by CR Score, from ten published factors. 125 are open 24/7, 175 open Saturdays and 153 open Sundays, based on posted hours. The median Google rating is 4.9★ across 222 rated businesses.
Most of this list also appears on the Septic service companies in East Orange ranking. See Septic service companies in East Orange
Top 10 septic service companies in Hanover at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Zuidema Septic Services & Portable Toilets | 61 | 4.8★ (786) | Midland Park, 18 mi away | 24/7 | Overall |
| 2 | EarthCare, a Wind River Company | 61 | 4.8★ (261) | West Milford, 12 mi away | 24/7 | Emergencies |
| 3 | Wilson Services | 60 | 4.9★ (908) | Sparta, 23 mi away | 24/7 | — |
| 4 | 123 Sewer & Drain | 60 | 5.0★ (69) | Washington Heights, 11 mi away | 24/7 | — |
| 5 | Tiger Grease and Septic | 60 | 4.9★ (28) | Paterson, 4 mi away | 24/7 | — |
| 6 | North Jersey Sewer & Drain Cleaning | 59 | 5.0★ (196) | Fairfield, 5 mi away | 24/7 | — |
| 7 | Pipe Works Services, Inc. | 59 | 4.8★ (1,940) | Chatham, 5 mi away | 24/7 | — |
| 8 | PowerFlo Sewer Service | 59 | 5.0★ (1,092) | Staten Island, 18 mi away | 24/7 | — |
| 9 | Valley Sewer & Drain Cleaning | 59 | 4.9★ (274) | Fairfield, 7 mi away | 24/7 | — |
| 10 | All Flow Sewer & Drain Service | 59 | 5.0★ (200) | Maplewood, 7 mi away | 24/7 | — |
The 222 best septic service companies in Hanover, 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, 12 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 Sparta, 23 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 908 Google reviews, listed on Google as “Septic system service”.
Based in Washington Heights, 11 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Septic system service”.
Based in Paterson, 4 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in Fairfield, 5 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 196 Google reviews, listed on Google as “Plumber”.
Based in Chatham, 5 mi away
59/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 1,940 Google reviews.
Based in Staten Island, 18 mi away
59/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 1,092 Google reviews.
Based in Fairfield, 7 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 274 Google reviews, listed on Google as “Plumber”.
Based in Maplewood, 7 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “Plumber”.
Based in Cedar Grove, 4 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Plumber”.
Based in Rockaway, 10 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 203 Google reviews, listed on Google as “Plumber”.
Based in Middlesex, 18 mi away
58/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 848 Google reviews.
Based in Staten Island, 19 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Septic system service”.
Based in Elmwood Park, 15 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 213 Google reviews, listed on Google as “Septic system service”.
Based in Fair Lawn, 16 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 248 Google reviews, listed on Google as “Septic system service”.
Based in Sparta, 21 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 693 Google reviews, listed on Google as “Septic system service”.
Based in Sparta, 24 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 274 Google reviews, listed on Google as “Septic system service”.
#19 Sewer Surgeons
Based in Chatham, 5 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Plumber”.
Based in East Hanover, 2 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in Carlstadt, 12 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 132 Google reviews, listed on Google as “Plumber”.
Based in Hawthorne, 15 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 194 Google reviews, listed on Google as “Plumber”.
#23 Roto-Rooter
Based in East Hanover, 23 mi away
56/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 3,480 Google reviews, the most in Hanover.
Based in Springfield, 7 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Plumber”.
Based in Emerson, 11 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Plumber”.
How we ranked Hanover septic service companies
We scored 222 Hanover 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 Hanover 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 Hanover: frequently asked questions
Who is the best septic service company in Hanover?
By CR Score, the highest-ranked septic service company in Hanover, NJ is Zuidema Septic Services & Portable Toilets with a CR Score of 61/100. It has 4.8★ from 786 Google reviews. It is open 24/7. EarthCare, a Wind River Company (#2) and Wilson Services (#3) follow. We ranked 222 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Hanover?
ContractorsRanked ranks 222 septic service companies serving Hanover, NJ. Counts are as of November 2026.
Which septic service companies in Hanover are open 24/7?
125 ranked septic service companies in Hanover post 24/7 hours. The highest-ranked are Zuidema Septic Services & Portable Toilets (#1), EarthCare, a Wind River Company (#2) and Wilson Services (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Hanover work on weekends?
175 of 222 ranked septic service companies post Saturday hours and 153 post Sunday hours. The highest-ranked open Saturdays are Zuidema Septic Services & Portable Toilets (#1), EarthCare, a Wind River Company (#2) and Wilson Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Hanover septic service companies have?
The median Google rating among 222 rated septic service companies in Hanover is 4.9★, with a median of 24 reviews. Roto-Rooter has the most, 3,480 reviews, and ranks #23. 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 Hanover count in this ranking?
Yes, if they are within 25 mi of the Hanover 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 Hanover
- November 2026: CR Scores recalculated for 222 septic service companies serving Hanover.
- November 2026: 1 duplicate listing merged.
More septic service companies and Hanover pages
Septic service companies near Hanover
- Septic service companies in East Hanover, NJ213 ranked
- Septic service companies in Florham Park, NJ215 ranked
- Septic service companies in Livingston, NJ258 ranked
- Septic service companies in Madison, NJ200 ranked
- Septic service companies in Short Hills, NJ248 ranked
- Septic service companies in Parsippany, NJ174 ranked
- Septic service companies in Morristown, NJ161 ranked
- Septic service companies in Summit, NJ237 ranked
- Septic service companies in West Orange, NJ277 ranked
- Septic service companies in South Orange, NJ281 ranked
Other trades in Hanover
- Roofers in Hanover3010 ranked
- Plumbers in Hanover1723 ranked
- Electricians in Hanover1155 ranked
- HVAC contractors in Hanover2322 ranked
- General contractors in Hanover3036 ranked
- Painters in Hanover586 ranked
- Landscapers in Hanover580 ranked
- Handymen in Hanover226 ranked
- Kitchen remodelers in Hanover1416 ranked
- Bathroom remodelers in Hanover1287 ranked
- Flooring contractors in Hanover928 ranked
- Tile installers in Hanover190 ranked
- Drywall contractors in Hanover46 ranked
- Concrete contractors in Hanover499 ranked
- Fence contractors in Hanover297 ranked
- Deck builders in Hanover431 ranked
- Siding contractors in Hanover1047 ranked
- Window installers in Hanover841 ranked
- Gutter installers in Hanover632 ranked
- Insulation contractors in Hanover216 ranked
- Solar installers in Hanover229 ranked
- Garage door repair companies in Hanover273 ranked
- Foundation repair companies in Hanover545 ranked
- Tree services in Hanover523 ranked
- Masonry contractors in Hanover1167 ranked
- Water damage restoration companies in Hanover1399 ranked
- Home builders in Hanover832 ranked
- Demolition contractors in Hanover227 ranked
- Window cleaners in Hanover144 ranked
- Pressure washing companies in Hanover230 ranked
- Pest control companies in Hanover652 ranked
- Paving contractors in Hanover496 ranked
- Auto glass repair shops in Hanover304 ranked
- Excavating contractors in Hanover241 ranked
- Pool builders in Hanover442 ranked
- All contractors in Hanover