65/100CR Score
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 Woodinville, WA (2026)
144 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Woodinville: 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 144.
- 10
Most-reviewed: Gene Johnson Plumbing, 4,041 Google reviews at 4.8★, the most of 144 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
144 Woodinville septic service companies are ranked here by CR Score, from ten published factors. 78 are open 24/7, 117 open Saturdays and 95 open Sundays, based on posted hours. The median Google rating is 4.9★ across 144 rated businesses.
Most of this list also appears on the Septic service companies in Shoreline ranking. See Septic service companies in Shoreline
Top 10 septic service companies in Woodinville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Fresh N Clean Septic | 65 | 4.9★ (663) | Woodinville | 24/7 | Overall |
| 2 | Zoom Drain of Seattle | 64 | 5.0★ (835) | Seattle, 10 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, 7 mi away | 24/7 | — |
| 5 | All County Septic Service | 60 | 4.9★ (121) | Everett, 11 mi away | 24/7 | — |
| 6 | Price Busters Plumbing & Sewer | 60 | 4.9★ (781) | Lynnwood, 8 mi away | 24/7 | — |
| 7 | 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 60 | 4.9★ (3,532) | Seattle, 12 mi away | Sat · Sun · Evenings | — |
| 8 | Northlake Septic Services | 59 | 4.8★ (17) | Woodinville | 24/7 | — |
| 9 | Done Right Plumbing, Heating, and Sewer Repair | 59 | 4.9★ (268) | Lynnwood, 5 mi away | 24/7 | — |
| 10 | Gene Johnson Plumbing | 59 | 4.8★ (4,041) | Seattle, 10 mi away | 24/7 | Most reviews |
The 144 best septic service companies in Woodinville, 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 Seattle, 10 mi away
64/100CR 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, 7 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, 11 mi away
60/100CR 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 Lynnwood, 8 mi away
60/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 781 Google reviews.
Based in Seattle, 12 mi away
60/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 3,532 Google reviews.
Based in Woodinville
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Septic system service”.
Based in Lynnwood, 5 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Seattle, 10 mi away
59/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 4,041 Google reviews, the most in Woodinville.
Based in Bellevue, 9 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Plumber”.
Based in Bothell, 3 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 7 mi away
59/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 409 Google reviews.
#14 Septic Response
Based in Kirkland, 5 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Plumber”.
Based in Everett, 2 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 124 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 8 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 218 Google reviews, listed on Google as “Plumber”.
Based in Bellevue, 11 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Plumber”.
Based in Everett, 11 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 279 Google reviews, listed on Google as “Plumber”.
Based in Bellevue, 5 mi away
58/100CR ScoreRanked #19 because of its Google rating and review volume: 4.6★ from 393 Google reviews.
Based in Snohomish, 15 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 12 mi away
58/100CR ScoreRanked #21 because of its Google rating and review volume: 4.7★ from 716 Google reviews.
Based in Seattle, 9 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 251 Google reviews, listed on Google as “Plumber”.
Based in Bothell, 4 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 180 Google reviews, listed on Google as “Plumber”.
Based in Everett, 13 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Septic system service”.
Based in Woodinville
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
How we ranked Woodinville septic service companies
We scored 144 Woodinville 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 Woodinville 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 Woodinville: frequently asked questions
Who is the best septic service company in Woodinville?
By CR Score, the highest-ranked septic service company in Woodinville, WA is Fresh N Clean Septic with a CR Score of 65/100. It has 4.9★ from 663 Google reviews. It is open 24/7. Zoom Drain of Seattle (#2) and A Wesco Septic Services (#3) follow. We ranked 144 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Woodinville?
ContractorsRanked ranks 144 septic service companies serving Woodinville, WA. 3 of them are based in Woodinville; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Woodinville are open 24/7?
78 ranked septic service companies in Woodinville post 24/7 hours. The highest-ranked are Fresh N Clean Septic (#1), Zoom Drain of Seattle (#2) and A Wesco Septic Services (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Woodinville work on weekends?
117 of 144 ranked septic service companies post Saturday hours and 95 post Sunday hours. The highest-ranked open Saturdays are Fresh N Clean Septic (#1), Zoom Drain of Seattle (#2) and A Wesco Septic Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Woodinville septic service companies have?
The median Google rating among 144 rated septic service companies in Woodinville is 4.9★, with a median of 38 reviews. Gene Johnson Plumbing has the most, 4,041 reviews, and ranks #10. 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 Woodinville count in this ranking?
Yes, if they are within 25 mi of the Woodinville 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 Woodinville
- November 2026: CR Scores recalculated for 144 septic service companies serving Woodinville.
- November 2026: 1 duplicate listing merged.
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