64/100CR 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 Bainbridge Island, WA (2026)
131 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Bainbridge Island: Zoom Drain of Seattle, CR Score 64/100; 5.0★ from 835 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Fresh N Clean Septic, posts 24/7 hours; ranked #3 of 131.
- 4
Most-reviewed: Gene Johnson Plumbing, 4,041 Google reviews at 4.8★, the most of 131 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
131 Bainbridge Island septic service companies are ranked here by CR Score, from ten published factors. 68 are open 24/7, 102 open Saturdays and 86 open Sundays, based on posted hours. The median Google rating is 4.9★ across 131 rated businesses.
Top 10 septic service companies in Bainbridge Island at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Zoom Drain of Seattle | 64 | 5.0★ (835) | Seattle, 9 mi away | 24/7 | Overall |
| 2 | 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 61 | 4.9★ (3,532) | Seattle, 7 mi away | Sat · Sun · Evenings | — |
| 3 | Fresh N Clean Septic | 60 | 4.9★ (663) | Woodinville, 21 mi away | 24/7 | Emergencies |
| 4 | Gene Johnson Plumbing | 59 | 4.8★ (4,041) | Seattle, 9 mi away | 24/7 | Most reviews |
| 5 | Bob Oates Sewer & Rooter | 59 | 4.7★ (716) | Seattle, 8 mi away | 24/7 | — |
| 6 | Dano's Septic Service | 59 | 4.5★ (279) | Bremerton, 13 mi away | 24/7 | — |
| 7 | A Wesco Septic Services | 59 | 4.8★ (550) | Snohomish, 24 mi away | 24/7 | — |
| 8 | Price Busters Plumbing & Sewer | 58 | 4.9★ (781) | Lynnwood, 16 mi away | 24/7 | — |
| 9 | Knight Rooter Sewer & Drain Cleaning Services | 58 | 5.0★ (218) | Seattle, 11 mi away | 24/7 | — |
| 10 | Raymark Plumbing & Sewer | 57 | 4.8★ (409) | Seattle, 12 mi away | 24/7 | — |
The 131 best septic service companies in Bainbridge Island, 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, 7 mi away
61/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 3,532 Google reviews.
Based in Woodinville, 21 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 663 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 9 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 4,041 Google reviews, the most in Bainbridge Island.
Based in Seattle, 8 mi away
59/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 716 Google reviews.
Based in Bremerton, 13 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.5★ from 279 Google reviews, listed on Google as “Septic system service”.
Based in Snohomish, 24 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 550 Google reviews, listed on Google as “Septic system service”.
Based in Lynnwood, 16 mi away
58/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 781 Google reviews.
Based in Seattle, 11 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 218 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 12 mi away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 409 Google reviews.
Based in Seattle, 13 mi away
57/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 2,646 Google reviews.
Based in Everett, 23 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 11 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 251 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 7 mi away
57/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 636 Google reviews.
Based in Snohomish, 24 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 229 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 9 mi away
57/100CR ScoreRanked #16 because of its Google rating and review volume: 4.5★ from 2,956 Google reviews.
Based in Bellevue, 18 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Plumber”.
Based in Bellevue, 18 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Plumber”.
Based in SeaTac, 16 mi away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 2,264 Google reviews.
#20 Northwest Septic
Based in Bremerton, 11 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.1★ from 62 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 7 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Plumber”.
#22 Septic Response
Based in Kirkland, 16 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Plumber”.
#23 Sewer Friendly
Based in Edmonds, 14 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 198 Google reviews, listed on Google as “Plumber”.
Based in Lynnwood, 18 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Tukwila, 15 mi away
56/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 579 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 131 ranked septic service companies here; the rest are on their profiles.
Also serving Bainbridge Island
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 | 9 mi | |
| Action On-Site Services Inc | 5.0★ (1) | 11 mi |
| Arness Septic | 5 mi | |
| Benson Hill Septic Tank Services | 3.0★ (2) | 23 mi |
| Corey's On-Site Septic Services | 10 mi | |
| Drain Field Mechanic | 5.0★ (2) | 11 mi |
| E & R Septic & Landscaping | 5.0★ (1) | 10 mi |
| Earthwise Excavation | 5.0★ (1) | 23 mi |
| Evergreen Sanitation | 1.0★ (1) | 18 mi |
| Final Vision Inc | 5.0★ (2) | 12 mi |
| Gravity Sewer Repair | 17 mi | |
| I Need A Plumber Now and Sewer Services | 5.0★ (2) | 19 mi |
| Insight Septic Design | 5.0★ (2) | 22 mi |
| Joe the Pro Plumbing, Septic, Sewer, Heating & Air | 10 mi | |
| Kitsap Pumping Services | 5 mi | |
| Nathan Cleaver & Associates | 1.0★ (1) | 11 mi |
| New Horizon Sewer Services | 3.0★ (2) | 24 mi |
| Seattle Septic Pros | 9 mi | |
| Sewer Rat | 8 mi | |
| Sorrell Septic Design LLC | 5.0★ (2) | 23 mi |
How we ranked Bainbridge Island septic service companies
We scored 131 Bainbridge Island 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 Bainbridge Island 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 Bainbridge Island: frequently asked questions
Who is the best septic service company in Bainbridge Island?
By CR Score, the highest-ranked septic service company in Bainbridge Island, WA is Zoom Drain of Seattle with a CR Score of 64/100. It has 5.0★ from 835 Google reviews. It is open 24/7. 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air (#2) and Fresh N Clean Septic (#3) follow. We ranked 131 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Bainbridge Island?
ContractorsRanked ranks 131 septic service companies serving Bainbridge Island, WA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Bainbridge Island are open 24/7?
68 ranked septic service companies in Bainbridge Island post 24/7 hours. The highest-ranked are Zoom Drain of Seattle (#1), Fresh N Clean Septic (#3) and Gene Johnson Plumbing (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Bainbridge Island work on weekends?
102 of 131 ranked septic service companies post Saturday hours and 86 post Sunday hours. The highest-ranked open Saturdays are Zoom Drain of Seattle (#1), 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air (#2) and Fresh N Clean Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Bainbridge Island septic service companies have?
The median Google rating among 131 rated septic service companies in Bainbridge Island is 4.9★, with a median of 39 reviews. Gene Johnson Plumbing has the most, 4,041 reviews, and ranks #4. 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 Bainbridge Island count in this ranking?
Yes, if they are within 25 mi of the Bainbridge Island 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 Bainbridge Island
- November 2026: CR Scores recalculated for 131 septic service companies serving Bainbridge Island.
More septic service companies and Bainbridge Island pages
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Other trades in Bainbridge Island
- Roofers in Bainbridge Island1171 ranked
- Plumbers in Bainbridge Island531 ranked
- Electricians in Bainbridge Island454 ranked
- HVAC contractors in Bainbridge Island485 ranked
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- Painters in Bainbridge Island260 ranked
- Landscapers in Bainbridge Island232 ranked
- Handymen in Bainbridge Island123 ranked
- Kitchen remodelers in Bainbridge Island708 ranked
- Bathroom remodelers in Bainbridge Island687 ranked
- Flooring contractors in Bainbridge Island431 ranked
- Tile installers in Bainbridge Island55 ranked
- Drywall contractors in Bainbridge Island29 ranked
- Concrete contractors in Bainbridge Island272 ranked
- Fence contractors in Bainbridge Island255 ranked
- Deck builders in Bainbridge Island406 ranked
- Siding contractors in Bainbridge Island373 ranked
- Window installers in Bainbridge Island389 ranked
- Gutter installers in Bainbridge Island376 ranked
- Insulation contractors in Bainbridge Island150 ranked
- Solar installers in Bainbridge Island80 ranked
- Garage door repair companies in Bainbridge Island213 ranked
- Foundation repair companies in Bainbridge Island136 ranked
- Tree services in Bainbridge Island246 ranked
- Masonry contractors in Bainbridge Island166 ranked
- Water damage restoration companies in Bainbridge Island510 ranked
- Home builders in Bainbridge Island631 ranked
- Demolition contractors in Bainbridge Island100 ranked
- Window cleaners in Bainbridge Island72 ranked
- Pressure washing companies in Bainbridge Island121 ranked
- Pest control companies in Bainbridge Island130 ranked
- Paving contractors in Bainbridge Island160 ranked
- Auto glass repair shops in Bainbridge Island146 ranked
- Excavating contractors in Bainbridge Island143 ranked
- Pool builders in Bainbridge Island52 ranked
- All contractors in Bainbridge Island