59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.6★ from 199 Google reviews.
Best Septic Service Companies in Bangor, ME (2026)
6 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Bangor: Nichols Plumbing & Drain Cleaning, CR Score 59/100; 4.6★ from 199 Google reviews; open 24/7.
- 2
Most-reviewed: Alliance Home Inspections, 248 Google reviews at 4.6★, the most of 6 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
6 Bangor septic service companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 5 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.8★ across 6 rated businesses.
Top 6 septic service companies in Bangor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nichols Plumbing & Drain Cleaning | 59 | 4.6★ (199) | Brewer, 2 mi away | 24/7 | Overall |
| 2 | Alliance Home Inspections | 57 | 4.6★ (248) | Bangor | Sat · Evenings | Most reviews |
| 3 | Strong's Septic Solutions | 56 | 5.0★ (8) | Bangor | Sat | — |
| 4 | Eastern Maine Excavation | 53 | 5.0★ (16) | Bangor | Sat · Sun | — |
| 5 | Moyse Environmental Services | 53 | 4.2★ (5) | Bangor | — | — |
| 6 | Advanced Development | 48 | 5.0★ (4) | Bangor | Sat | — |
The 6 best septic service companies in Bangor, 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 Bangor
57/100CR ScoreRanked #2 because of its Google rating and review volume: 4.6★ from 248 Google reviews, the most in Bangor.
Based in Bangor
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Bangor
53/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 16 Google reviews.
Based in Bangor
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Bangor
48/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Masonry contractor”.
How we ranked Bangor septic service companies
We scored 6 Bangor 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 Bangor 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 Bangor: frequently asked questions
Who is the best septic service company in Bangor?
By CR Score, the highest-ranked septic service company in Bangor, ME is Nichols Plumbing & Drain Cleaning with a CR Score of 59/100. It has 4.6★ from 199 Google reviews. It is open 24/7. Alliance Home Inspections (#2) and Strong's Septic Solutions (#3) follow. We ranked 6 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Bangor?
ContractorsRanked ranks 6 septic service companies serving Bangor, ME. 5 of them are based in Bangor; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Bangor are open 24/7?
1 ranked septic service company in Bangor posts 24/7 hours. The highest-ranked is Nichols Plumbing & Drain Cleaning (#1). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Bangor work on weekends?
5 of 6 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Nichols Plumbing & Drain Cleaning (#1), Alliance Home Inspections (#2) and Strong's Septic Solutions (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Bangor septic service companies have?
The median Google rating among 6 rated septic service companies in Bangor is 4.8★, with a median of 12 reviews. Alliance Home Inspections has the most, 248 reviews, and ranks #2. 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 Bangor count in this ranking?
Yes, if they are within 25 mi of the Bangor 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 Bangor
- November 2026: CR Scores recalculated for 6 septic service companies serving Bangor.
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