65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.6★ from 326 Google reviews, the most in Eugene.
Best Septic Service Companies in Eugene, OR (2026)
13 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Eugene: Best Septic Tank Pumping, CR Score 65/100; 4.6★ from 326 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Ken The Sewer Dr LLC, posts 24/7 hours; ranked #4 of 13.
- 3
Most-reviewed: SOS Septic Pumping LLC, 99 Google reviews at 5.0★, the most of 13 ranked after Best Septic Tank Pumping; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Eugene septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 8 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 13 rated businesses.
Top 10 septic service companies in Eugene at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Best Septic Tank Pumping | 65 | 4.6★ (326) | Springfield, 6 mi away | 24/7 | Overall |
| 2 | Royal Flush Environmental Services | 61 | 4.4★ (79) | Eugene | Sat · Sun | — |
| 3 | SOS Septic Pumping LLC | 60 | 5.0★ (99) | Eugene | — | Most reviews |
| 4 | Ken The Sewer Dr LLC | 58 | 5.0★ (21) | Eugene | 24/7 | Emergencies |
| 5 | Innovative Underground | 57 | 4.9★ (54) | Eugene | 24/7 | — |
| 6 | Oregon Water Services, Inc. | 57 | 4.7★ (31) | Eugene | — | — |
| 7 | Hidden Gem Septic Llc | 55 | 4.6★ (89) | Cottage Grove, 18 mi away | 24/7 | — |
| 8 | Bennett's Drain Savers - Septic & Rooter Service | 55 | 4.5★ (19) | Eugene | — | — |
| 9 | Mr. Rooter Plumbing of Eugene | 55 | 5.0★ (21) | Eugene | 24/7 | — |
| 10 | United Site Services | 54 | 2.6★ (9) | Eugene | Sat · Evenings | — |
The 13 best septic service companies in Eugene, 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 Eugene
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.4★ from 79 Google reviews, listed on Google as “Septic system service”.
Based in Eugene
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “Septic system service”.
Based in Eugene
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Plumber”.
Based in Eugene
57/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 54 Google reviews.
Based in Eugene
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Septic system service”.
Based in Cottage Grove, 18 mi away
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.6★ from 89 Google reviews.
Based in Eugene
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Septic system service”.
Based in Eugene
55/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 21 Google reviews.
Based in Eugene
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 2.6★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Eugene
52/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 34 Google reviews.
Based in Eugene
50/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based in Cottage Grove, 18 mi away
46/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Also serving Eugene
5 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 |
|---|---|---|
| Arrow Septic Services | In Eugene | |
| Arrow Septic Services | 13 mi | |
| Emerald Excavating | In Eugene | |
| Innovative Underground | In Eugene | |
| Sasquatch septic and sewer llc | 5.0★ (2) | In Eugene |
How we ranked Eugene septic service companies
We scored 13 Eugene 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 Eugene 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 Eugene: frequently asked questions
Who is the best septic service company in Eugene?
By CR Score, the highest-ranked septic service company in Eugene, OR is Best Septic Tank Pumping with a CR Score of 65/100. It has 4.6★ from 326 Google reviews. It is open 24/7. Royal Flush Environmental Services (#2) and SOS Septic Pumping LLC (#3) follow. We ranked 13 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Eugene?
ContractorsRanked ranks 13 septic service companies serving Eugene, OR. 10 of them are based in Eugene; the rest serve it from nearby towns. Another 5 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Eugene are open 24/7?
5 ranked septic service companies in Eugene post 24/7 hours. The highest-ranked are Best Septic Tank Pumping (#1), Ken The Sewer Dr LLC (#4) and Innovative Underground (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Eugene work on weekends?
8 of 13 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Best Septic Tank Pumping (#1), Royal Flush Environmental Services (#2) and Ken The Sewer Dr LLC (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Eugene septic service companies have?
The median Google rating among 13 rated septic service companies in Eugene is 4.9★, with a median of 31 reviews. Best Septic Tank Pumping has the most, 326 reviews, and ranks #1. 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 Eugene count in this ranking?
Yes, if they are within 25 mi of the Eugene 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 Eugene
- November 2026: CR Scores recalculated for 13 septic service companies serving Eugene.
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