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Best Septic Service Companies in Frederickson, WA (2026)

98 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Frederickson: Sterling Septic & Plumbing LLC, CR Score 64/100; 4.9★ from 503 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): FloHawks Plumbing and Septic, posts 24/7 hours; ranked #2 of 98.

  3. 2

    Most-reviewed: FloHawks Plumbing and Septic, 5,286 Google reviews at 4.9★, the most of 98 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

98 Frederickson septic service companies are ranked here by CR Score, from ten published factors. 35 are open 24/7, 60 open Saturdays and 52 open Sundays, based on posted hours. The median Google rating is 4.8★ across 98 rated businesses.

Top 10 septic service companies in Frederickson at a glance

Top 10 septic service companies in Frederickson at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Sterling Septic & Plumbing LLC644.9★ (503)Puyallup, 4 mi away24/7Overall
2FloHawks Plumbing and Septic644.9★ (5,286)Puyallup, 3 mi away24/7Emergencies, Most reviews
3A Advanced Septic & Construction Services634.8★ (2,933)Auburn, 15 mi away24/7—
4Drain-Pro Inc. - Washington604.7★ (218)Puyallup, 8 mi away24/7—
5Aloha Septic Service/Town & Country Inc.604.8★ (155)Spanaway, 2 mi awaySat · Sun—
6Flow-Rite Septic Solutions605.0★ (41)Puyallup, 5 mi away24/7—
7Spartan Plumbing Services584.8★ (1,108)Tacoma, 6 mi away24/7—
8Puget Sound Septic575.0★ (413)Maple Valley, 24 mi awaySat · Sun · Evenings—
9DrainTech Northwest, LLC574.3★ (24)FredericksonSat · Sun · Evenings—
10Mr. Rooter Plumbing of Tacoma574.8★ (631)Tacoma, 6 mi away24/7—

The 98 best septic service companies in Frederickson, 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.

  1. Based in Maple Valley, 24 mi away

    57/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 413 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 413 Google reviews
    Hours
    Mon–Fri 9 AM–10:30 PM · Sat 9 AM–6 PM · Sun 11 AM–9 PM
    Address
    20222 SE 245th St, Maple Valley, WA 98038
  2. Based in Puyallup, 2 mi away

    56/100CR Score

    Ranked #14 because of its Google rating and review volume: 5.0★ from 132 Google reviews.

    • 5.0★ from 132 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13716 Canyon Rd E Ste C, Puyallup, WA 98373
  3. Based in Puyallup, 1 mi away

    56/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Septic system service”.

    • 4.9★ from 51 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    6715 176th St E Bldg. B, Puyallup, WA 98375
  4. Based in South Hill, 18 mi away

    56/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 21 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days

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 98 ranked septic service companies here; the rest are on their profiles.

septic service companies in Frederickson, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Raptor Plumbing & Sewer545.0★ (145)20 mi
27Skinner Construction, Inc - Septic Construction Services545.0★ (45)8 mi
28Brewer's Sewer Repair545.0★ (47)13 mi
29Fox Plumbing, Heating & Cooling (now a Gene Johnson company)544.8★ (2,264)23 mi
30AAA Septic & Plumbing LLC.544.8★ (280)17 mi
31Elite Sewer Repair534.5★ (16)8 mi
32Attili Design & Engineering. Inc. P.S.534.4★ (37)5 mi
33Bumblebee Services Inc.534.7★ (50)5 mi
34Top Plumbing & Sewer Drain Cleaning535.0★ (8)8 mi
35Olympic Plumbing Technology534.9★ (1,814)24 mi
36Beacon Plumbing, Heating, Electrical & Mechanical Inc - Kent534.7★ (1,362)24 mi
37Westside Septic Design LLC534.7★ (13)4 mi
38FloHawks Plumbing and Septic534.6★ (262)23 mi
39Clean Septic Pumping LLC535.0★ (53)15 mi
40Lilly's Septic Service524.9★ (288)24 mi
41North Hill Sewer and Drain524.9★ (76)23 mi
42Drain Beast - Kent524.9★ (208)20 mi
43Hemley's Septic524.3★ (167)21 mi
44HSCC1 & Services Inc.524.6★ (19)9 mi
45Drain Beast - Puyallup524.7★ (18)6 mi
46Campbell Jim & Sons Inc525.0★ (3)2 mi
47Spark Drain & Sewer515.0★ (9)14 mi
48Hemley's Handy-Kan515.0★ (46)21 mi
49MD Construction and Sewer514.9★ (27)15 mi
50Grit City Sewer Systems515.0★ (4)11 mi

Also serving Frederickson

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.

How we ranked Frederickson septic service companies

We scored 98 Frederickson 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Frederickson data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Frederickson: frequently asked questions

Who is the best septic service company in Frederickson?

By CR Score, the highest-ranked septic service company in Frederickson, WA is Sterling Septic & Plumbing LLC with a CR Score of 64/100. It has 4.9★ from 503 Google reviews. It is open 24/7. FloHawks Plumbing and Septic (#2) and A Advanced Septic & Construction Services (#3) follow. We ranked 98 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Frederickson?

ContractorsRanked ranks 98 septic service companies serving Frederickson, WA. 1 of them is based in Frederickson; 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 Frederickson are open 24/7?

35 ranked septic service companies in Frederickson post 24/7 hours. The highest-ranked are Sterling Septic & Plumbing LLC (#1), FloHawks Plumbing and Septic (#2) and A Advanced Septic & Construction Services (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Frederickson work on weekends?

60 of 98 ranked septic service companies post Saturday hours and 52 post Sunday hours. The highest-ranked open Saturdays are Sterling Septic & Plumbing LLC (#1), FloHawks Plumbing and Septic (#2) and A Advanced Septic & Construction Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Frederickson septic service companies have?

The median Google rating among 98 rated septic service companies in Frederickson is 4.8★, with a median of 34 reviews. FloHawks Plumbing and Septic has the most, 5,286 reviews, and ranks #2. 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 Frederickson count in this ranking?

Yes, if they are within 25 mi of the Frederickson 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 Frederickson

  1. November 2026: CR Scores recalculated for 98 septic service companies serving Frederickson.

More septic service companies and Frederickson pages

Other trades in Frederickson