62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 252 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Newberg, OR (2026)
44 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Newberg: Lil' Stinky Septic Service, CR Score 62/100; 4.8★ from 252 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): West Side Drain and Septic, posts 24/7 hours; ranked #2 of 44.
- 7
Most-reviewed: Alchemy Plumbing & Drain Cleaning, 861 Google reviews at 4.9★, the most of 44 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
44 Newberg septic service companies are ranked here by CR Score, from ten published factors. 21 are open 24/7, 27 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.9★ across 44 rated businesses.
Top 10 septic service companies in Newberg at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Lil' Stinky Septic Service | 62 | 4.8★ (252) | Canby, 15 mi away | 24/7 | Overall |
| 2 | West Side Drain and Septic | 61 | 4.9★ (151) | Hillsboro, 14 mi away | 24/7 | Emergencies |
| 3 | Mr. Rooter Plumbing of Newberg | 60 | 4.8★ (398) | Newberg | 24/7 | — |
| 4 | Wild Pine Plumbing | 59 | 4.9★ (100) | Portland, 19 mi away | 24/7 | — |
| 5 | Plumbing and Sewer Renewal Specialists | 59 | 5.0★ (539) | Portland, 13 mi away | Sat · Sun · Evenings | — |
| 6 | Overflow Septic LLC | 59 | 4.9★ (37) | Salem, 14 mi away | 24/7 | — |
| 7 | Alchemy Plumbing & Drain Cleaning | 59 | 4.9★ (861) | Lake Oswego, 13 mi away | 24/7 | Most reviews |
| 8 | Legacy Valley LLC | 59 | 5.0★ (38) | Molalla, 16 mi away | 24/7 | — |
| 9 | West Side Drain and Septic | 58 | 4.9★ (800) | Hillsboro, 24 mi away | 24/7 | — |
| 10 | West Side Drain and Septic | 58 | 5.0★ (146) | Cornelius, 16 mi away | 24/7 | — |
The 44 best septic service companies in Newberg, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Hillsboro, 14 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newberg
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 398 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 19 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 13 mi away
59/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 539 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salem, 14 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Oswego, 13 mi away
59/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 861 Google reviews, the most in Newberg.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Molalla, 16 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hillsboro, 24 mi away
58/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 800 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cornelius, 16 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 146 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tigard, 13 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hillsboro, 21 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oregon City, 17 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Pinkies Septic
Based in Oregon City, 17 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tigard, 11 mi away
56/100CR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 403 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Silverton, 22 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clackamas, 9 mi away
54/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 168 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 American On Site
Based in Newberg
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 18 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hillsboro, 13 mi away
53/100CR ScoreRanked #20 because of its Google rating and review volume: 4.7★ from 85 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McMinnville, 12 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Proline Plumbing
Based in Portland, 22 mi away
53/100CR ScoreRanked #22 because of its Google rating and review volume: 4.7★ from 178 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 NW Sewer & drain
Based in Salem, 25 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newberg
52/100CR ScoreRanked #24 because of its Google rating and availability: 3.1★ from 10 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salem, 23 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
All 44 septic service companies
#1 to #25 are shown in full above. Here are #26 to #44, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Precision Earthworks LLC | 51 | 4.7★ (47) | 14 mi |
| 27 | A Cut Above Sewer & Drain | 51 | 5.0★ (10) | 23 mi |
| 28 | Kings Brothers Construction, Inc. | 50 | 5.0★ (8) | 17 mi |
| 29 | United Site Services | 50 | 2.4★ (32) | 10 mi |
| 30 | Chehalem Septic & excavation | 50 | 5.0★ (5) | 15 mi |
| 31 | Mr. Rooter Plumbing of Salem - Keizer Office | 50 | 5.0★ (16) | 18 mi |
| 32 | Aloha Sanitary Service | 50 | 4.5★ (16) | 21 mi |
| 33 | EMS - Environmental Consultants | 50 | 4.3★ (16) | 20 mi |
| 34 | King's Pumping Services | 49 | 4.5★ (13) | 23 mi |
| 35 | Titan Plumbing Co | 49 | 4.5★ (18) | In Newberg |
| 36 | Black Rock Underground, LLC | 48 | 4.8★ (45) | 15 mi |
| 37 | Sewer Surgeons NW LLC | 47 | 5.0★ (15) | 18 mi |
| 38 | AASEN EXCAVATING LLC | 46 | 5.0★ (6) | 14 mi |
| 39 | Oregon Sewer & Drain LLC | 46 | 4.6★ (21) | 22 mi |
| 40 | NW Home Services LLC | 46 | 5.0★ (6) | 16 mi |
| 41 | Modern Plumbing | 46 | 4.1★ (23) | 10 mi |
| 42 | VeggieScout Oil LLC - Portland | 45 | 3.0★ (3) | 23 mi |
| 43 | The Excavators LLC | 44 | 4.0★ (4) | 12 mi |
| 44 | Cherry City Plumbing Inc | 41 | 4.0★ (8) | 25 mi |
Also serving Newberg
16 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 |
|---|---|---|
| Ace Septic & Excavating Inc | 5.0★ (2) | 12 mi |
| CAC Excavation Inc | 11 mi | |
| Canyon construction inc | 19 mi | |
| Fuhriman Septic Design & Consulting | 16 mi | |
| MB Enterprises, Excavation & Sewer LLC | 5.0★ (2) | 11 mi |
| New Line Construction, Inc. | 21 mi | |
| Patriot Fence and Excavation, LLC | In Newberg | |
| Portland Septic Pros | 23 mi | |
| Reece Johnson Paving & Excavation | 5.0★ (2) | 8 mi |
| River City Environmental Inc | 5.0★ (1) | 18 mi |
| River City Plumbing | 25 mi | |
| Sep-Tech Excavation, Inc. | 5.0★ (1) | 24 mi |
| Septic Services in Portland | 21 mi | |
| Sewer & Drain Cleaning & Licensed Journeyman Plumber Portland Area Best Rates in Town | 21 mi | |
| Valley Septic Services | 5.0★ (2) | 13 mi |
| VeggieScout Oil LLC - Clackamas | 23 mi |
How we ranked Newberg septic service companies
We scored 44 Newberg 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 Newberg 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 Newberg: frequently asked questions
Who is the best septic service company in Newberg?
By CR Score, the highest-ranked septic service company in Newberg, OR is Lil' Stinky Septic Service with a CR Score of 62/100. It has 4.8★ from 252 Google reviews. It is open 24/7. West Side Drain and Septic (#2) and Mr. Rooter Plumbing of Newberg (#3) follow. We ranked 44 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Newberg?
ContractorsRanked ranks 44 septic service companies serving Newberg, OR. 4 of them are based in Newberg; the rest serve it from nearby towns. Another 16 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Newberg are open 24/7?
21 ranked septic service companies in Newberg post 24/7 hours. The highest-ranked are Lil' Stinky Septic Service (#1), West Side Drain and Septic (#2) and Mr. Rooter Plumbing of Newberg (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Newberg work on weekends?
27 of 44 ranked septic service companies post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are Lil' Stinky Septic Service (#1), West Side Drain and Septic (#2) and Mr. Rooter Plumbing of Newberg (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Newberg septic service companies have?
The median Google rating among 44 rated septic service companies in Newberg is 4.9★, with a median of 31 reviews. Alchemy Plumbing & Drain Cleaning has the most, 861 reviews, and ranks #7. 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 Newberg count in this ranking?
Yes, if they are within 25 mi of the Newberg 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 Newberg
- November 2026: CR Scores recalculated for 44 septic service companies serving Newberg.
- November 2026: 1 duplicate listing merged.
More septic service companies and Newberg pages
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