62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 835 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Silverdale, WA (2026)
80 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Silverdale: Zoom Drain of Seattle, CR Score 62/100; 5.0★ from 835 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Dano's Septic Service, posts 24/7 hours; ranked #2 of 80.
- 5
Most-reviewed: Gene Johnson Plumbing, 4,041 Google reviews at 4.8★, the most of 80 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
80 Silverdale septic service companies are ranked here by CR Score, from ten published factors. 38 are open 24/7, 59 open Saturdays and 51 open Sundays, based on posted hours. The median Google rating is 4.8★ across 80 rated businesses.
Top 10 septic service companies in Silverdale at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Zoom Drain of Seattle | 62 | 5.0★ (835) | Seattle, 16 mi away | 24/7 | Overall |
| 2 | Dano's Septic Service | 59 | 4.5★ (279) | Bremerton, 10 mi away | 24/7 | Emergencies |
| 3 | 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 59 | 4.9★ (3,532) | Seattle, 15 mi away | Sat · Sun · Evenings | — |
| 4 | Northwest Septic | 58 | 4.1★ (62) | Bremerton, 4 mi away | 24/7 | — |
| 5 | Gene Johnson Plumbing | 57 | 4.8★ (4,041) | Seattle, 16 mi away | 24/7 | Most reviews |
| 6 | Price Busters Plumbing & Sewer | 57 | 4.9★ (781) | Lynnwood, 21 mi away | 24/7 | — |
| 7 | Bob Oates Sewer & Rooter | 57 | 4.7★ (716) | Seattle, 16 mi away | 24/7 | — |
| 8 | Knight Rooter Sewer & Drain Cleaning Services | 56 | 5.0★ (218) | Seattle, 18 mi away | 24/7 | — |
| 9 | Raymark Plumbing & Sewer | 56 | 4.8★ (409) | Seattle, 19 mi away | 24/7 | — |
| 10 | Mr. Rooter Plumbing of Seattle | 55 | 4.8★ (2,646) | Seattle, 21 mi away | 24/7 | — |
The 80 best septic service companies in Silverdale, 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 Bremerton, 10 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.5★ from 279 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 15 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 3,532 Google reviews.
Based in Bremerton, 4 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.1★ from 62 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 16 mi away
57/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 4,041 Google reviews, the most in Silverdale.
Based in Lynnwood, 21 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 781 Google reviews.
Based in Seattle, 16 mi away
57/100CR ScoreRanked #7 because of its Google rating and review volume: 4.7★ from 716 Google reviews.
Based in Seattle, 18 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 218 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 19 mi away
56/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 409 Google reviews.
Based in Seattle, 21 mi away
55/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 2,646 Google reviews.
Based in Seattle, 17 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 251 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 15 mi away
55/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 636 Google reviews.
Based in SeaTac, 23 mi away
55/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 2,264 Google reviews.
Based in Seattle, 18 mi away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.5★ from 2,956 Google reviews.
#15 Sewer Friendly
Based in Edmonds, 19 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 198 Google reviews, listed on Google as “Plumber”.
Based in Lynnwood, 24 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Seattle, 15 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Plumber”.
Based in Gig Harbor, 19 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 262 Google reviews, listed on Google as “Plumber”.
#19 Septic Response
Based in Kirkland, 23 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Plumber”.
#20 Sewer Inspector
Based in Tacoma, 19 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 184 Google reviews, listed on Google as “Plumber”.
Based in Poulsbo, 5 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Tukwila, 22 mi away
54/100CR ScoreRanked #22 because of its Google rating and review volume: 4.8★ from 579 Google reviews.
#23 A + Onsite, LLC
Based in Bremerton, 5 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Septic system service”.
#24 Green Latrine
Based in Seattle, 15 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Septic system service”.
Based in Mountlake Terrace, 21 mi away
54/100CR ScoreRanked #25 because of its Google rating and review volume: 4.5★ from 436 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 80 ranked septic service companies here; the rest are on their profiles.
Also serving Silverdale
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 |
|---|---|---|
| Ace Sewer Line Repair Services | 17 mi | |
| Action On-Site Services Inc | 5.0★ (1) | 10 mi |
| Arness Septic | 5 mi | |
| Assured Septic LLC | 24 mi | |
| Corey's On-Site Septic Services | In Silverdale | |
| Drain Field Mechanic | 5.0★ (2) | 4 mi |
| E & R Septic & Landscaping | 5.0★ (1) | 10 mi |
| Final Vision Inc | 5.0★ (2) | 11 mi |
| Gravity Sewer Repair | 24 mi | |
| Joe the Pro Plumbing, Septic, Sewer, Heating & Air | 17 mi | |
| Kitsap Pumping Services | 4 mi | |
| Nathan Cleaver & Associates | 1.0★ (1) | 8 mi |
| Ron Hemley Septic Installation | 20 mi | |
| Seattle Septic Pros | 17 mi | |
| Sewer Rat | In Silverdale |
How we ranked Silverdale septic service companies
We scored 80 Silverdale 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 Silverdale 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 Silverdale: frequently asked questions
Who is the best septic service company in Silverdale?
By CR Score, the highest-ranked septic service company in Silverdale, WA is Zoom Drain of Seattle with a CR Score of 62/100. It has 5.0★ from 835 Google reviews. It is open 24/7. Dano's Septic Service (#2) and 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air (#3) follow. We ranked 80 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Silverdale?
ContractorsRanked ranks 80 septic service companies serving Silverdale, WA. Another 15 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Silverdale are open 24/7?
38 ranked septic service companies in Silverdale post 24/7 hours. The highest-ranked are Zoom Drain of Seattle (#1), Dano's Septic Service (#2) and Northwest Septic (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Silverdale work on weekends?
59 of 80 ranked septic service companies post Saturday hours and 51 post Sunday hours. The highest-ranked open Saturdays are Zoom Drain of Seattle (#1), Dano's Septic Service (#2) and 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Silverdale septic service companies have?
The median Google rating among 80 rated septic service companies in Silverdale is 4.8★, with a median of 43 reviews. Gene Johnson Plumbing has the most, 4,041 reviews, and ranks #5. 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 Silverdale count in this ranking?
Yes, if they are within 25 mi of the Silverdale 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 Silverdale
- November 2026: CR Scores recalculated for 80 septic service companies serving Silverdale.
More septic service companies and Silverdale pages
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