Skip to content

Best Septic Service Companies in Parkland, WA (2026)

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

The short answer

  1. 1

    Best overall in Parkland: 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): A Advanced Septic & Construction Services, posts 24/7 hours; ranked #2 of 112.

  3. 3

    Most-reviewed: FloHawks Plumbing and Septic, 5,286 Google reviews at 4.9★, the most of 112 ranked; ranked #3.

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

112 Parkland septic service companies are ranked here by CR Score, from ten published factors. 41 are open 24/7, 72 open Saturdays and 61 open Sundays, based on posted hours. The median Google rating is 4.8★ across 112 rated businesses.

Top 10 septic service companies in Parkland at a glance

Top 10 septic service companies in Parkland at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Sterling Septic & Plumbing LLC644.9★ (503)Puyallup, 4 mi away24/7Overall
2A Advanced Septic & Construction Services644.8★ (2,933)Auburn, 13 mi away24/7Emergencies
3FloHawks Plumbing and Septic634.9★ (5,286)Puyallup, 7 mi away24/7Most reviews
4Drain-Pro Inc. - Washington604.7★ (218)Puyallup, 8 mi away24/7—
5Flow-Rite Septic Solutions595.0★ (41)Puyallup, 7 mi away24/7—
6Aloha Septic Service/Town & Country Inc.594.8★ (155)Spanaway, 7 mi awaySat · Sun—
7Spartan Plumbing Services594.8★ (1,108)Tacoma, 1 mi away24/7—
8Beacon Plumbing, Heating, Electrical & Mechanical Inc - Tacoma584.8★ (1,670)Tacoma, 7 mi away24/7—
9Mr. Rooter Plumbing of Tacoma584.8★ (631)Tacoma, 2 mi away24/7—
10Puget Sound Septic585.0★ (413)Maple Valley, 23 mi awaySat · Sun · Evenings—

The 112 best septic service companies in Parkland, 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, 23 mi away

    58/100CR Score

    Ranked #10 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 South Hill, 17 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
  3. Based in Puyallup, 4 mi away

    56/100CR Score

    Ranked #19 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

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

septic service companies in Parkland, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26A1 Septic & Plumbing LLC555.0★ (7)14 mi
27All Septic & Sewer554.9★ (51)6 mi
28Barney's Plumbing & Sewer Services545.0★ (174)22 mi
29Elite Sewer Repair544.5★ (16)2 mi
30Mr. Rooter Plumbing of Seattle544.8★ (2,646)25 mi
31FloHawks Plumbing and Septic544.6★ (262)18 mi
32AAA Septic & Plumbing LLC.544.8★ (280)16 mi
33Skinner Construction, Inc - Septic Construction Services545.0★ (45)11 mi
34Olympic Plumbing Technology534.9★ (1,814)21 mi
35Bumblebee Services Inc.534.7★ (50)4 mi
36Beacon Plumbing, Heating, Electrical & Mechanical Inc - Kent534.7★ (1,362)21 mi
37North Hill Sewer and Drain534.9★ (76)19 mi
38Hemley's Septic534.3★ (167)15 mi
39Aqualine Plumbing & Sewer534.8★ (579)24 mi
40Top Plumbing & Sewer Drain Cleaning535.0★ (8)8 mi
41Westside Septic Design LLC534.7★ (13)4 mi
42Sewer Inspector535.0★ (184)23 mi
43Attili Design & Engineering. Inc. P.S.534.4★ (37)6 mi
44Hemley's Handy-Kan535.0★ (46)15 mi
45Drain Beast - Kent534.9★ (208)18 mi
46Clean Septic Pumping LLC525.0★ (53)16 mi
47Lilly's Septic Service524.9★ (288)24 mi
48MD Construction and Sewer524.9★ (27)10 mi
49Grit City Sewer Systems525.0★ (4)6 mi
50Gillette Sewer & Utility524.9★ (35)8 mi

Also serving Parkland

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 Parkland septic service companies

We scored 112 Parkland 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 Parkland 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 Parkland: frequently asked questions

Who is the best septic service company in Parkland?

By CR Score, the highest-ranked septic service company in Parkland, 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. A Advanced Septic & Construction Services (#2) and FloHawks Plumbing and Septic (#3) follow. We ranked 112 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Parkland?

ContractorsRanked ranks 112 septic service companies serving Parkland, WA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Parkland are open 24/7?

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

Which septic service companies in Parkland work on weekends?

72 of 112 ranked septic service companies post Saturday hours and 61 post Sunday hours. The highest-ranked open Saturdays are Sterling Septic & Plumbing LLC (#1), A Advanced Septic & Construction Services (#2) and FloHawks Plumbing and Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Parkland septic service companies have?

The median Google rating among 112 rated septic service companies in Parkland is 4.8★, with a median of 32 reviews. FloHawks Plumbing and Septic has the most, 5,286 reviews, and ranks #3. 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 Parkland count in this ranking?

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

  1. November 2026: CR Scores recalculated for 112 septic service companies serving Parkland.

More septic service companies and Parkland pages

Other trades in Parkland