62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Cedar Mill, OR (2026)
70 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cedar Mill: West Side Drain and Septic, CR Score 62/100; 4.9★ from 151 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Wild Pine Plumbing, posts 24/7 hours; ranked #2 of 70.
- 9
Most-reviewed: Henco Plumbing Services, 3,061 Google reviews at 4.9★, the most of 70 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
70 Cedar Mill septic service companies are ranked here by CR Score, from ten published factors. 29 are open 24/7, 44 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 4.9★ across 70 rated businesses.
Top 10 septic service companies in Cedar Mill at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | West Side Drain and Septic | 62 | 4.9★ (151) | Hillsboro, 6 mi away | 24/7 | Overall |
| 2 | Wild Pine Plumbing | 61 | 4.9★ (100) | Portland, 8 mi away | 24/7 | Emergencies |
| 3 | West Side Drain and Septic | 60 | 4.9★ (800) | Hillsboro, 7 mi away | 24/7 | — |
| 4 | Plumbing and Sewer Renewal Specialists | 59 | 5.0★ (539) | Portland, 7 mi away | Sat · Sun · Evenings | — |
| 5 | Lil' Stinky Septic Service | 59 | 4.8★ (252) | Canby, 19 mi away | 24/7 | — |
| 6 | Scout Septic, Grease & Drain | 59 | 4.9★ (341) | Portland, 23 mi away | 24/7 | — |
| 7 | Insight Sanitary Services | 58 | 5.0★ (29) | Hillsboro, 11 mi away | 24/7 | — |
| 8 | Alchemy Plumbing & Drain Cleaning | 57 | 4.9★ (861) | Lake Oswego, 10 mi away | 24/7 | — |
| 9 | Henco Plumbing Services | 57 | 4.9★ (3,061) | Ridgefield, 18 mi away | 24/7 | Most reviews |
| 10 | West Side Drain and Septic | 57 | 5.0★ (81) | Tigard, 7 mi away | 24/7 | — |
The 70 best septic service companies in Cedar Mill, 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 Portland, 8 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Septic system service”.
Based in Hillsboro, 7 mi away
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 800 Google reviews.
Based in Portland, 7 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 539 Google reviews.
Based in Canby, 19 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 252 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 23 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 341 Google reviews, listed on Google as “Septic system service”.
Based in Hillsboro, 11 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Septic system service”.
Based in Lake Oswego, 10 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 861 Google reviews.
Based in Ridgefield, 18 mi away
57/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 3,061 Google reviews, the most in Cedar Mill.
Based in Tigard, 7 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Plumber”.
Based in Cornelius, 12 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 146 Google reviews, listed on Google as “Plumber”.
Based in Troutdale, 21 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 247 Google reviews, listed on Google as “Septic system service”.
Based in Vancouver, 13 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.5★ from 534 Google reviews.
Based in Vancouver, 14 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Septic system service”.
Based in Battle Ground, 20 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in Salem, 22 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Septic system service”.
#17 Pinkies Septic
Based in Oregon City, 16 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Oregon City, 20 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 24 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Tigard, 7 mi away
55/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 403 Google reviews.
Based in Vancouver, 17 mi away
54/100CR ScoreRanked #21 because of its Google rating and review volume: 4.8★ from 548 Google reviews.
Based in Camas, 19 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 135 Google reviews, listed on Google as “Plumber”.
Based in Portland, 22 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 13 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Excavating contractor”.
Based in Battle Ground, 22 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Plumber”.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 70 ranked septic service companies here; the rest are on their profiles.
Also serving Cedar Mill
19 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) | 13 mi |
| CAC Excavation Inc | 20 mi | |
| D&F Drains, Sewers and More | 5.0★ (2) | 10 mi |
| Fuhriman Septic Design & Consulting | 8 mi | |
| HorizonsNW Excavating & Septic | 5.0★ (2) | 22 mi |
| Jerry's Septic | 13 mi | |
| MB Enterprises, Excavation & Sewer LLC | 5.0★ (2) | 18 mi |
| MRP Services / Metro Rooter USA Plumber Portland | 13 mi | |
| Patriot Fence and Excavation, LLC | 22 mi | |
| Plumbing Systems Solutions, Inc | 10 mi | |
| Portland Septic Pros | 8 mi | |
| Reece Johnson Paving & Excavation | 5.0★ (2) | 11 mi |
| River City Environmental Inc | 5.0★ (1) | 15 mi |
| River City Plumbing | 9 mi | |
| Roto Pro | 16 mi | |
| Septic Services in Portland | 6 mi | |
| Sewer & Drain Cleaning & Licensed Journeyman Plumber Portland Area Best Rates in Town | 10 mi | |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 10 mi |
| VeggieScout Oil LLC - Clackamas | 12 mi |
How we ranked Cedar Mill septic service companies
We scored 70 Cedar Mill 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 Cedar Mill 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 Cedar Mill: frequently asked questions
Who is the best septic service company in Cedar Mill?
By CR Score, the highest-ranked septic service company in Cedar Mill, OR is West Side Drain and Septic with a CR Score of 62/100. It has 4.9★ from 151 Google reviews. It is open 24/7. Wild Pine Plumbing (#2) and West Side Drain and Septic (#3) follow. We ranked 70 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Cedar Mill?
ContractorsRanked ranks 70 septic service companies serving Cedar Mill, OR. Another 19 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Cedar Mill are open 24/7?
29 ranked septic service companies in Cedar Mill post 24/7 hours. The highest-ranked are West Side Drain and Septic (#1), Wild Pine Plumbing (#2) and West Side Drain and Septic (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Cedar Mill work on weekends?
44 of 70 ranked septic service companies post Saturday hours and 34 post Sunday hours. The highest-ranked open Saturdays are West Side Drain and Septic (#1), Wild Pine Plumbing (#2) and West Side Drain and Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Cedar Mill septic service companies have?
The median Google rating among 70 rated septic service companies in Cedar Mill is 4.9★, with a median of 39 reviews. Henco Plumbing Services has the most, 3,061 reviews, and ranks #9. 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 Cedar Mill count in this ranking?
Yes, if they are within 25 mi of the Cedar Mill 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 Cedar Mill
- November 2026: CR Scores recalculated for 70 septic service companies serving Cedar Mill.
- November 2026: 1 duplicate listing merged.
More septic service companies and Cedar Mill pages
Septic service companies near Cedar Mill
- Septic service companies in Oak Hills, OR69 ranked
- Septic service companies in Beaverton, OR67 ranked
- Septic service companies in Aloha, OR63 ranked
- Septic service companies in Bethany, OR66 ranked
- Septic service companies in Portland, OR77 ranked
- Septic service companies in Tigard, OR60 ranked
- Septic service companies in Hillsboro, OR54 ranked
- Septic service companies in Lake Oswego, OR63 ranked
- Septic service companies in Milwaukie, OR71 ranked
- Septic service companies in Tualatin, OR59 ranked
Other trades in Cedar Mill
- Roofers in Cedar Mill696 ranked
- Plumbers in Cedar Mill471 ranked
- Electricians in Cedar Mill363 ranked
- HVAC contractors in Cedar Mill439 ranked
- General contractors in Cedar Mill1052 ranked
- Painters in Cedar Mill445 ranked
- Landscapers in Cedar Mill391 ranked
- Handymen in Cedar Mill162 ranked
- Kitchen remodelers in Cedar Mill459 ranked
- Bathroom remodelers in Cedar Mill463 ranked
- Flooring contractors in Cedar Mill373 ranked
- Tile installers in Cedar Mill125 ranked
- Drywall contractors in Cedar Mill41 ranked
- Concrete contractors in Cedar Mill308 ranked
- Fence contractors in Cedar Mill260 ranked
- Deck builders in Cedar Mill268 ranked
- Siding contractors in Cedar Mill281 ranked
- Window installers in Cedar Mill255 ranked
- Gutter installers in Cedar Mill351 ranked
- Insulation contractors in Cedar Mill90 ranked
- Solar installers in Cedar Mill78 ranked
- Garage door repair companies in Cedar Mill98 ranked
- Foundation repair companies in Cedar Mill71 ranked
- Tree services in Cedar Mill295 ranked
- Masonry contractors in Cedar Mill153 ranked
- Water damage restoration companies in Cedar Mill315 ranked
- Home builders in Cedar Mill361 ranked
- Demolition contractors in Cedar Mill102 ranked
- Window cleaners in Cedar Mill139 ranked
- Pressure washing companies in Cedar Mill191 ranked
- Pest control companies in Cedar Mill127 ranked
- Paving contractors in Cedar Mill146 ranked
- Auto glass repair shops in Cedar Mill146 ranked
- Excavating contractors in Cedar Mill230 ranked
- Pool builders in Cedar Mill44 ranked
- All contractors in Cedar Mill