65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 341 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Damascus, OR (2026)
57 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Damascus: Scout Septic, Grease & Drain, CR Score 65/100; 4.9★ from 341 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Speedy Septic, posts 24/7 hours; ranked #2 of 57.
- 12
Most-reviewed: Alchemy Plumbing & Drain Cleaning, 861 Google reviews at 4.9★, the most of 57 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
57 Damascus septic service companies are ranked here by CR Score, from ten published factors. 24 are open 24/7, 38 open Saturdays and 29 open Sundays, based on posted hours. The median Google rating is 4.8★ across 57 rated businesses.
Top 10 septic service companies in Damascus at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Scout Septic, Grease & Drain | 65 | 4.9★ (341) | Portland, 4 mi away | 24/7 | Overall |
| 2 | Speedy Septic | 65 | 4.7★ (792) | Portland, 7 mi away | 24/7 | Emergencies |
| 3 | Lil' Stinky Septic Service | 62 | 4.8★ (252) | Canby, 15 mi away | 24/7 | — |
| 4 | Wild Pine Plumbing | 61 | 4.9★ (100) | Portland, 11 mi away | 24/7 | — |
| 5 | Goodman Septic Services | 61 | 4.8★ (247) | Troutdale, 10 mi away | Sat · Sun · Evenings | — |
| 6 | Byers Septic Tank Service | 60 | 4.9★ (32) | Portland, 6 mi away | 24/7 | — |
| 7 | Drain-Pro Inc. - Oregon | 59 | 4.6★ (22) | Portland, 4 mi away | 24/7 | — |
| 8 | West Side Drain and Septic | 59 | 4.9★ (151) | Hillsboro, 23 mi away | 24/7 | — |
| 9 | Cascade Septic Tank Service | 59 | 5.0★ (81) | Portland, 14 mi away | Sat · Sun · Evenings | — |
| 10 | West Side Drain and Septic | 59 | 4.9★ (800) | Hillsboro, 22 mi away | 24/7 | — |
The 57 best septic service companies in Damascus, 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, 7 mi away
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 792 Google reviews, listed on Google as “Septic system service”.
Based in Canby, 15 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 252 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 11 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Septic system service”.
Based in Troutdale, 10 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 247 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 6 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 4 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Hillsboro, 23 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 14 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Septic system service”.
Based in Hillsboro, 22 mi away
59/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 800 Google reviews.
Based in Portland, 15 mi away
59/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 539 Google reviews.
Based in Lake Oswego, 14 mi away
58/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 861 Google reviews, the most in Damascus.
Based in Oregon City, 13 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.
#14 Pinkies Septic
Based in Oregon City, 10 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Salem, 20 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Septic system service”.
Based in Camas, 13 mi away
57/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 135 Google reviews.
#17 Sandy Septic
Based in Portland, 12 mi away
57/100CR 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 Vancouver, 19 mi away
56/100CR ScoreRanked #18 because of its Google rating and review volume: 4.5★ from 534 Google reviews.
Based in Tigard, 15 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Plumber”.
Based in Vancouver, 18 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Septic system service”.
Based in Damascus
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
Based in Portland, 8 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Excavating contractor”.
#23 Proline Plumbing
Based in Portland, 8 mi away
56/100CR ScoreRanked #23 because of its Google rating and review volume: 4.7★ from 178 Google reviews.
Based in Portland, 3 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.5★ from 53 Google reviews, listed on Google as “Septic system service”.
Based in Vancouver, 20 mi away
56/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 548 Google reviews.
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 57 ranked septic service companies here; the rest are on their profiles.
Also serving Damascus
20 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) | 11 mi |
| AP McMahon Sewer & Excavation | 9 mi | |
| D&F Drains, Sewers and More | 5.0★ (2) | 18 mi |
| Fuhriman Septic Design & Consulting | 13 mi | |
| HorizonsNW Excavating & Septic | 5.0★ (2) | 23 mi |
| Johnsen Excavation and Sewer Repair | 13 mi | |
| MB Enterprises, Excavation & Sewer LLC | 5.0★ (2) | In Damascus |
| MRP Services / Metro Rooter USA Plumber Portland | 11 mi | |
| Portland Septic Pros | 13 mi | |
| Reece Johnson Paving & Excavation | 5.0★ (2) | 19 mi |
| River City Environmental Inc | 5.0★ (1) | 8 mi |
| River City Plumbing | 14 mi | |
| Roto Pro | 14 mi | |
| Septic Services in Portland | 13 mi | |
| Septic Solutions | 14 mi | |
| Sewer & Drain Cleaning & Licensed Journeyman Plumber Portland Area Best Rates in Town | 9 mi | |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 13 mi |
| VeggieScout Oil LLC - Clackamas | 7 mi | |
| VeggieScout Oil LLC - Gresham | 9 mi | |
| Wibbing Pump Services LLC | 5.0★ (2) | In Damascus |
How we ranked Damascus septic service companies
We scored 57 Damascus 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 Damascus 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 Damascus: frequently asked questions
Who is the best septic service company in Damascus?
By CR Score, the highest-ranked septic service company in Damascus, OR is Scout Septic, Grease & Drain with a CR Score of 65/100. It has 4.9★ from 341 Google reviews. It is open 24/7. Speedy Septic (#2) and Lil' Stinky Septic Service (#3) follow. We ranked 57 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Damascus?
ContractorsRanked ranks 57 septic service companies serving Damascus, OR. 2 of them are based in Damascus; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Damascus are open 24/7?
24 ranked septic service companies in Damascus post 24/7 hours. The highest-ranked are Scout Septic, Grease & Drain (#1), Speedy Septic (#2) and Lil' Stinky Septic Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Damascus work on weekends?
38 of 57 ranked septic service companies post Saturday hours and 29 post Sunday hours. The highest-ranked open Saturdays are Scout Septic, Grease & Drain (#1), Speedy Septic (#2) and Lil' Stinky Septic Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Damascus septic service companies have?
The median Google rating among 57 rated septic service companies in Damascus is 4.8★, with a median of 42 reviews. Alchemy Plumbing & Drain Cleaning has the most, 861 reviews, and ranks #12. 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 Damascus count in this ranking?
Yes, if they are within 25 mi of the Damascus 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 Damascus
- November 2026: CR Scores recalculated for 57 septic service companies serving Damascus.
- November 2026: 1 duplicate listing merged.
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