63/100CR 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 White Center, WA (2026)
157 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in White Center: Zoom Drain of Seattle, CR Score 63/100; 5.0★ from 835 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): A Advanced Septic & Construction Services, posts 24/7 hours; ranked #2 of 157.
- 11
Most-reviewed: Gene Johnson Plumbing, 4,041 Google reviews at 4.8★, the most of 157 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
157 White Center septic service companies are ranked here by CR Score, from ten published factors. 77 are open 24/7, 123 open Saturdays and 103 open Sundays, based on posted hours. The median Google rating is 4.9★ across 157 rated businesses.
Most of this list also appears on the Septic service companies in Burien ranking. See Septic service companies in Burien
Top 10 septic service companies in White Center at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Zoom Drain of Seattle | 63 | 5.0★ (835) | Seattle, 13 mi away | 24/7 | Overall |
| 2 | A Advanced Septic & Construction Services | 63 | 4.8★ (2,933) | Auburn, 16 mi away | 24/7 | Emergencies |
| 3 | Fresh N Clean Septic | 60 | 4.9★ (663) | Woodinville, 20 mi away | 24/7 | — |
| 4 | Mr. Rooter Plumbing of Seattle | 60 | 4.8★ (2,646) | Seattle, 3 mi away | 24/7 | — |
| 5 | 2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air | 60 | 4.9★ (3,532) | Seattle, 11 mi away | Sat · Sun · Evenings | — |
| 6 | Puget Sound Septic | 60 | 5.0★ (413) | Maple Valley, 16 mi away | Sat · Sun · Evenings | — |
| 7 | Fox Plumbing, Heating & Cooling (now a Gene Johnson company) | 59 | 4.8★ (2,264) | SeaTac, 6 mi away | 24/7 | — |
| 8 | Bob Oates Sewer & Rooter | 59 | 4.7★ (716) | Seattle, 8 mi away | 24/7 | — |
| 9 | Aqualine Plumbing & Sewer | 58 | 4.8★ (579) | Tukwila, 4 mi away | Sat · Sun · Evenings | — |
| 10 | American Rooter Sewer & Drain Service LLC | 58 | 5.0★ (316) | Bellevue, 11 mi away | 24/7 | — |
The 157 best septic service companies in White Center, 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 Auburn, 16 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 2,933 Google reviews, listed on Google as “Septic system service”.
Based in Woodinville, 20 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, 3 mi away
60/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 2,646 Google reviews.
Based in Seattle, 11 mi away
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 3,532 Google reviews.
Based in Maple Valley, 16 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 413 Google reviews, listed on Google as “Septic system service”.
Based in SeaTac, 6 mi away
59/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 2,264 Google reviews.
Based in Seattle, 8 mi away
59/100CR ScoreRanked #8 because of its Google rating and review volume: 4.7★ from 716 Google reviews.
Based in Tukwila, 4 mi away
58/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 579 Google reviews.
Based in Bellevue, 11 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 316 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 13 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 4,041 Google reviews, the most in White Center.
#12 Sewer Inspector
Based in Tacoma, 3 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 184 Google reviews, listed on Google as “Plumber”.
Based in Bellevue, 13 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 6 mi away
58/100CR ScoreRanked #14 because of its Google rating and review volume: 4.5★ from 2,956 Google reviews.
Based in Bremerton, 18 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 279 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 13 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 218 Google reviews, listed on Google as “Plumber”.
Based in Kent, 12 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 169 Google reviews, listed on Google as “Septic system service”.
Based in Seattle, 13 mi away
57/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 409 Google reviews.
Based in Kent, 9 mi away
57/100CR ScoreRanked #19 because of its Google rating and review volume: 4.7★ from 1,362 Google reviews.
Based in Seattle, 2 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Demolition contractor”.
Based in Puyallup, 23 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 218 Google reviews, listed on Google as “Septic system service”.
Based in Lynnwood, 20 mi away
57/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 781 Google reviews.
Based in Kent, 11 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 145 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 1 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 202 Google reviews, listed on Google as “Plumber”.
Based in Seattle, 5 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Plumber”.
How we ranked White Center septic service companies
We scored 157 White Center 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 White Center 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 White Center: frequently asked questions
Who is the best septic service company in White Center?
By CR Score, the highest-ranked septic service company in White Center, WA is Zoom Drain of Seattle with a CR Score of 63/100. It has 5.0★ from 835 Google reviews. It is open 24/7. A Advanced Septic & Construction Services (#2) and Fresh N Clean Septic (#3) follow. We ranked 157 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in White Center?
ContractorsRanked ranks 157 septic service companies serving White Center, WA. Counts are as of November 2026.
Which septic service companies in White Center are open 24/7?
77 ranked septic service companies in White Center post 24/7 hours. The highest-ranked are Zoom Drain of Seattle (#1), A Advanced Septic & Construction Services (#2) and Fresh N Clean Septic (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in White Center work on weekends?
123 of 157 ranked septic service companies post Saturday hours and 103 post Sunday hours. The highest-ranked open Saturdays are Zoom Drain of Seattle (#1), A Advanced Septic & Construction Services (#2) and Fresh N Clean Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do White Center septic service companies have?
The median Google rating among 157 rated septic service companies in White Center is 4.9★, with a median of 35 reviews. Gene Johnson Plumbing has the most, 4,041 reviews, and ranks #11. 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 White Center count in this ranking?
Yes, if they are within 25 mi of the White Center 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 White Center
- November 2026: CR Scores recalculated for 157 septic service companies serving White Center.
More septic service companies and White Center pages
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