62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 493 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Arlington, WA (2026)
78 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Arlington: Septic Solutions LLC, CR Score 62/100; 4.9★ from 493 Google reviews; open Saturdays until 5 PM.
- 2
Best for emergencies (open 24/7): Blackwater Services - Septic System Service, posts 24/7 hours; ranked #2 of 78.
- 13
Most-reviewed: CPI Plumbing & Heating, 2,955 Google reviews at 4.8★, the most of 78 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
78 Arlington septic service companies are ranked here by CR Score, from ten published factors. 27 are open 24/7, 48 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.8★ across 78 rated businesses.
Top 10 septic service companies in Arlington at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Septic Solutions LLC | 62 | 4.9★ (493) | Arlington | Sat · Evenings | Overall |
| 2 | Blackwater Services - Septic System Service | 61 | 4.9★ (132) | Marysville, 7 mi away | 24/7 | Emergencies |
| 3 | Klein Septic Service | 60 | 4.7★ (73) | Arlington | Sat · Sun · Evenings | — |
| 4 | Prime Septic LLC | 59 | 4.9★ (78) | Arlington | Sat | — |
| 5 | A Wesco Septic Services | 59 | 4.8★ (550) | Snohomish, 24 mi away | 24/7 | — |
| 6 | Cascade Septic Pumping | 58 | 4.9★ (36) | Arlington | Sat · Evenings | — |
| 7 | North Valley Septic Service LLC | 58 | 5.0★ (23) | Arlington | — | — |
| 8 | Ace-Acme Septic Tank Services Inc | 58 | 3.7★ (62) | Arlington | 24/7 | — |
| 9 | All County Septic Service | 58 | 4.9★ (121) | Everett, 21 mi away | 24/7 | — |
| 10 | A Austin’s Septic Company LLC | 58 | 4.9★ (67) | Snohomish, 17 mi away | 24/7 | — |
The 78 best septic service companies in Arlington, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Marysville, 7 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 132 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 73 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snohomish, 24 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 550 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Arlington
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.7★ from 62 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Everett, 21 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snohomish, 17 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 23 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Snohomish, 24 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 229 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 17 mi away
57/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 2,955 Google reviews, the most in Arlington.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Pro Sewer Repair
Based in Everett, 16 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 201 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 10 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Everett, 21 mi away
56/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 279 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Everett, 19 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Everett, 19 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.5★ from 80 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 10 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 The Septic Group
Based in Lake Stevens, 13 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 279 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camano, 21 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 28 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Camano, 2 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.3★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 10 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Everett, 21 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 78 ranked septic service companies here; the rest are on their profiles.
Also serving Arlington
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 |
|---|---|---|
| A1 Septic Solution | 18 mi | |
| All Island Septic and Building | 19 mi | |
| Arnold's Septic Systems | 22 mi | |
| C Johnson Construction, Inc. | 5.0★ (1) | 17 mi |
| Cal Septic LLC | 19 mi | |
| Centennial Septic Service | 7 mi | |
| Dirty Deeds Septic Services | 16 mi | |
| ELVROM CONSTRUCTION & EXCAVATING LLC | 5.0★ (2) | 15 mi |
| Evergreen Sanitation | 19 mi | |
| Grease Masters, Inc | 17 mi | |
| Hackney Designs | 5.0★ (1) | 13 mi |
| Lake Stevens Sewer District | 15 mi | |
| Limitless Sewer Solutions, LLC | 5.0★ (1) | 18 mi |
| Northrup Construction Inc | 5.0★ (1) | 24 mi |
| Pipe Commander Sewer And Septic | 20 mi | |
| Polymer Land Consultants | 3.5★ (2) | 16 mi |
| Pro Flow Plumbing & Sewers | 5.0★ (2) | 20 mi |
| S V Greso | 20 mi | |
| Septic Alert | 21 mi | |
| The Septic Group (Formerly Snohomish Septic) | 1.0★ (2) | 14 mi |
How we ranked Arlington septic service companies
We scored 78 Arlington 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 Arlington 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 Arlington: frequently asked questions
Who is the best septic service company in Arlington?
By CR Score, the highest-ranked septic service company in Arlington, WA is Septic Solutions LLC with a CR Score of 62/100. It has 4.9★ from 493 Google reviews. It is open Saturdays until 5 PM. Blackwater Services - Septic System Service (#2) and Klein Septic Service (#3) follow. We ranked 78 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Arlington?
ContractorsRanked ranks 78 septic service companies serving Arlington, WA. 8 of them are based in Arlington; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Arlington are open 24/7?
27 ranked septic service companies in Arlington post 24/7 hours. The highest-ranked are Blackwater Services - Septic System Service (#2), A Wesco Septic Services (#5) and Ace-Acme Septic Tank Services Inc (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Arlington work on weekends?
48 of 78 ranked septic service companies post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are Septic Solutions LLC (#1), Blackwater Services - Septic System Service (#2) and Klein Septic Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Arlington septic service companies have?
The median Google rating among 78 rated septic service companies in Arlington is 4.8★, with a median of 30 reviews. CPI Plumbing & Heating has the most, 2,955 reviews, and ranks #13. 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 Arlington count in this ranking?
Yes, if they are within 25 mi of the Arlington 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 Arlington
- November 2026: CR Scores recalculated for 78 septic service companies serving Arlington.
- November 2026: 2 duplicate listings merged.
More septic service companies and Arlington pages
Septic service companies near Arlington
- Septic service companies in Marysville, WA93 ranked
- Septic service companies in Lake Stevens, WA99 ranked
- Septic service companies in West Lake Stevens, WA104 ranked
- Septic service companies in Everett, WA117 ranked
- Septic service companies in Mount Vernon, WA32 ranked
- Septic service companies in Camano, WA60 ranked
- Septic service companies in Mukilteo, WA117 ranked
- Septic service companies in Eastmont, WA125 ranked
- Septic service companies in Sedro-Woolley, WA33 ranked
- Septic service companies in Silver Firs, WA135 ranked
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