60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 3,061 Google reviews, the most in Saint Helens.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Saint Helens, OR (2026)
42 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Saint Helens: Henco Plumbing Services, CR Score 60/100; 4.9★ from 3,061 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): West Side Drain and Septic, posts 24/7 hours; ranked #2 of 42.
- 2
Most-reviewed: West Side Drain and Septic, 800 Google reviews at 4.9★, the most of 42 ranked after Henco Plumbing Services; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
42 Saint Helens septic service companies are ranked here by CR Score, from ten published factors. 14 are open 24/7, 24 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.8★ across 42 rated businesses.
Top 10 septic service companies in Saint Helens at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Henco Plumbing Services | 60 | 4.9★ (3,061) | Ridgefield, 9 mi away | 24/7 | Overall |
| 2 | West Side Drain and Septic | 58 | 4.9★ (800) | Hillsboro, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Adrenaline Services | 58 | 5.0★ (28) | Battle Ground, 12 mi away | 24/7 | — |
| 4 | St Helens-Scappoose Septic Services | 58 | 4.9★ (23) | Saint Helens | — | — |
| 5 | Wild Pine Plumbing | 57 | 4.9★ (187) | Saint Helens | 24/7 | — |
| 6 | Makana Trucking and Excavation, Inc. | 57 | 4.9★ (17) | Saint Helens | Sat · Evenings | — |
| 7 | Proline Plumbing & Sewer | 56 | 4.9★ (141) | Battle Ground, 13 mi away | 24/7 | — |
| 8 | Insight Sanitary Services | 56 | 5.0★ (29) | Hillsboro, 21 mi away | 24/7 | — |
| 9 | Proline Plumbing & Sewer - Vancouver | 55 | 4.5★ (534) | Vancouver, 16 mi away | 24/7 | — |
| 10 | Bloomquist Septic Inspections | 55 | 4.7★ (35) | Battle Ground, 14 mi away | Sat · Sun · Evenings | — |
The 42 best septic service companies in Saint Helens, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Hillsboro, 16 mi away
58/100CR ScoreRanked #2 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 Battle Ground, 12 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Helens
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Saint Helens
57/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 187 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Helens
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Battle Ground, 13 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 141 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
56/100CR ScoreRanked #8 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 Vancouver, 16 mi away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 4.5★ from 534 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Battle Ground, 14 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Battle Ground, 12 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 304 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vancouver, 17 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Helens
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vancouver, 17 mi away
54/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 548 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vancouver, 17 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vancouver, 14 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ from 59 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 15 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kelso, 21 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 68 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Battle Ground, 12 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vancouver, 15 mi away
52/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 294 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Vancouver, 12 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Battle Ground, 14 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 41 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vancouver, 25 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 2.6★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 24 mi away
50/100CR ScoreRanked #24 because of its Google rating and review volume: 4.5★ from 386 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#25 Roto Pro
Based in Five Corners, 8 mi away
50/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 42 septic service companies
#1 to #25 are shown in full above. Here are #26 to #42, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Drain king | 50 | 4.6★ (95) | 21 mi |
| 27 | United Site Services | 49 | 2.9★ (9) | 19 mi |
| 28 | Reliable Septic Tank Services | 49 | 3.0★ (4) | 19 mi |
| 29 | Willy Make It? Temporary Site Services | 49 | 4.6★ (31) | 24 mi |
| 30 | Affordable Septic Services | 48 | 3.0★ (3) | 18 mi |
| 31 | Aloha Sanitary Service | 48 | 4.5★ (16) | 23 mi |
| 32 | PDX Sewer Solutions | 48 | 5.0★ (34) | 17 mi |
| 33 | Ek Engineering | 47 | 4.9★ (51) | 13 mi |
| 34 | Axiom Plumbing & Sewers | 47 | 4.6★ (10) | 21 mi |
| 35 | Cor Tech Plumbing & Mechanical LLC | 46 | 5.0★ (7) | 20 mi |
| 36 | Molecular Inc. - No Dig Sewer Repair | 45 | 4.8★ (5) | 22 mi |
| 37 | Earthworks Excavating Services | 44 | 4.7★ (16) | 15 mi |
| 38 | State Contracting LLC | 44 | 5.0★ (8) | 16 mi |
| 39 | Acre Maker | 44 | 5.0★ (13) | 18 mi |
| 40 | N W Construction General Contracting | 43 | 4.2★ (5) | 11 mi |
| 41 | Northwest Siteworks, Inc | 43 | 4.4★ (7) | 18 mi |
| 42 | SLE, Inc | 42 | 3.6★ (19) | 15 mi |
Also serving Saint Helens
15 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 |
|---|---|---|
| A Advanced Pumping | 5.0★ (1) | 24 mi |
| Anytime Sewer & Drain Service, LLC | 18 mi | |
| Axium Excavation LLC | 18 mi | |
| D&F Drains, Sewers and More | 5.0★ (2) | 17 mi |
| HorizonsNW Excavating & Septic | 5.0★ (2) | 18 mi |
| Jerry's Septic | 20 mi | |
| MRP Services / Metro Rooter USA Plumber Portland | 24 mi | |
| Peltzer Septic Tank | 5.0★ (2) | 25 mi |
| Plumbing Systems Solutions, Inc | 17 mi | |
| Portland Septic Pros | 23 mi | |
| Reliable Septic Tank Services | 24 mi | |
| River City Plumbing | 22 mi | |
| Roto Pro | 22 mi | |
| Septic Services in Portland | 25 mi | |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 22 mi |
How we ranked Saint Helens septic service companies
We scored 42 Saint Helens 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 Saint Helens 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 Saint Helens: frequently asked questions
Who is the best septic service company in Saint Helens?
By CR Score, the highest-ranked septic service company in Saint Helens, OR is Henco Plumbing Services with a CR Score of 60/100. It has 4.9★ from 3,061 Google reviews. It is open 24/7. West Side Drain and Septic (#2) and Adrenaline Services (#3) follow. We ranked 42 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Saint Helens?
ContractorsRanked ranks 42 septic service companies serving Saint Helens, OR. 4 of them are based in Saint Helens; the rest serve it from nearby towns. Another 15 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Saint Helens are open 24/7?
14 ranked septic service companies in Saint Helens post 24/7 hours. The highest-ranked are Henco Plumbing Services (#1), West Side Drain and Septic (#2) and Adrenaline Services (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Saint Helens work on weekends?
24 of 42 ranked septic service companies post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Henco Plumbing Services (#1), West Side Drain and Septic (#2) and Adrenaline Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Saint Helens septic service companies have?
The median Google rating among 42 rated septic service companies in Saint Helens is 4.8★, with a median of 30 reviews. Henco Plumbing Services has the most, 3,061 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 Saint Helens count in this ranking?
Yes, if they are within 25 mi of the Saint Helens 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 Saint Helens
- November 2026: CR Scores recalculated for 42 septic service companies serving Saint Helens.
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