Ranked #1 because of its Google rating and trade focus: 4.9★ from 663 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Cottage Lake, WA (2026)
143 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cottage Lake: Fresh N Clean Septic, CR Score 65/100; 4.9★ from 663 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Zoom Drain of Seattle, posts 24/7 hours; ranked #2 of 143.
- 15
Most-reviewed: Gene Johnson Plumbing, 4,041 Google reviews at 4.8★, the most of 143 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
143 Cottage Lake septic service companies are ranked here by CR Score, from ten published factors. 79 are open 24/7, 117 open Saturdays and 97 open Sundays, based on posted hours. The median Google rating is 4.9★ across 143 rated businesses.
Top 10 septic service companies in Cottage Lake at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Fresh N Clean Septic | 65 | 4.9★ (663) | Woodinville, 2 mi away | 24/7 | Overall |
| 2 | Zoom Drain of Seattle | 63 | 5.0★ (835) | Seattle, 13 mi away | 24/7 | Emergencies |
| 3 | A Wesco Septic Services | 63 | 4.8★ (550) | Snohomish, 7 mi away | 24/7 | — |
| 4 | A Wesco Septic Services | 61 | 4.7★ (229) | Snohomish, 8 mi away | 24/7 | — |
| 5 | All County Septic Service | 59 | 4.9★ (121) | Everett, 14 mi away | 24/7 | — |
| 6 | Washington Rooter Sewer & Drain Service LLC | 59 | 5.0★ (310) | Bellevue, 8 mi away | 24/7 | — |
| 7 | Price Busters Plumbing & Sewer | 59 | 4.9★ (781) | Lynnwood, 12 mi away | 24/7 | — |
| 8 | 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 59 | 4.9★ (3,532) | Seattle, 15 mi away | Sat · Sun · Evenings | — |
| 9 | Northlake Septic Services | 59 | 4.8★ (17) | Woodinville, 3 mi away | 24/7 | — |
| 10 | Greenlake Sewer & Drain | 58 | 4.9★ (124) | Everett, 2 mi away | 24/7 | — |
The 143 best septic service companies in Cottage Lake, 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.
- 65/100CR Score
Based in Seattle, 13 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 835 Google reviews, listed on Google as “Septic system service”.
Based in Snohomish, 7 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 550 Google reviews, listed on Google as “Septic system service”.
Based in Snohomish, 8 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 229 Google reviews, listed on Google as “Septic system service”.
Based in Everett, 14 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Septic system service”.
Based in Bellevue, 8 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Plumber”.
Based in Lynnwood, 12 mi away
59/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 781 Google reviews.
Based in Seattle, 15 mi away
59/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 3,532 Google reviews.
Based in Woodinville, 3 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Septic system service”.
Based in Everett, 2 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 124 Google reviews, listed on Google as “Plumber”.
Based in Bellevue, 11 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Plumber”.
#12 Septic Response
Based in Kirkland, 7 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Plumber”.
Based in Lynnwood, 9 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Snohomish, 15 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 13 mi away
58/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 4,041 Google reviews, the most in Cottage Lake.
Based in Bellevue, 6 mi away
58/100CR ScoreRanked #16 because of its Google rating and review volume: 4.6★ from 393 Google reviews.
Based in Bothell, 7 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 11 mi away
58/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 409 Google reviews.
Based in Everett, 14 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 279 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 12 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 218 Google reviews, listed on Google as “Plumber”.
Based in Maple Valley, 25 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 413 Google reviews, listed on Google as “Septic system service”.
Based in Everett, 13 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Septic system service”.
Based in Camano, 11 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 15 mi away
57/100CR ScoreRanked #24 because of its Google rating and review volume: 4.7★ from 716 Google reviews.
Based in Bothell, 8 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 180 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 143 ranked septic service companies here; the rest are on their profiles.
Also serving Cottage Lake
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 |
|---|---|---|
| Ace Sewer Line Repair Services | 16 mi | |
| Cal Septic LLC | 21 mi | |
| Clearline Sewer Repair | 5.0★ (1) | 8 mi |
| E & R Septic & Landscaping | 5.0★ (1) | 23 mi |
| Earthwise Excavation | 5.0★ (1) | 5 mi |
| Evergreen Sanitation | 1.0★ (1) | 20 mi |
| Grease Masters, Inc | 15 mi | |
| Hackney Designs | 5.0★ (1) | 19 mi |
| I Need A Plumber Now and Sewer Services | 5.0★ (2) | 18 mi |
| Insight Septic Design | 5.0★ (2) | 21 mi |
| Lake Stevens Sewer District | 16 mi | |
| Limitless Sewer Solutions, LLC | 5.0★ (1) | 16 mi |
| Northrup Construction Inc | 5.0★ (1) | 12 mi |
| Pipe Commander Sewer And Septic | 12 mi | |
| Pro Flow Plumbing & Sewers | 5.0★ (2) | 12 mi |
| S V Greso | 12 mi | |
| Seattle Septic Pros | 15 mi | |
| Sorrell Septic Design LLC | 5.0★ (2) | 16 mi |
| The Septic Group (Formerly Snohomish Septic) | 1.0★ (2) | 18 mi |
| Wadleigh Water and Sewer | 5.0★ (2) | 18 mi |
How we ranked Cottage Lake septic service companies
We scored 143 Cottage Lake 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 Cottage Lake 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 Cottage Lake: frequently asked questions
Who is the best septic service company in Cottage Lake?
How many septic service companies are there in Cottage Lake?
Which septic service companies in Cottage Lake are open 24/7?
Which septic service companies in Cottage Lake work on weekends?
What Google rating do Cottage Lake septic service companies have?
How does ContractorsRanked rank septic service companies?
Do septic service companies outside Cottage Lake count in this ranking?
Can septic service companies pay to rank higher on ContractorsRanked?
Update log for Cottage Lake
- November 2026: CR Scores recalculated for 143 septic service companies serving Cottage Lake.
- November 2026: 1 duplicate listing merged.
More septic service companies and Cottage Lake pages
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