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Best Septic Service Companies in Union Hill-Novelty Hill, WA (2026)

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

The short answer

  1. 1

    Best overall in Union Hill-Novelty Hill: Fresh N Clean Septic, CR Score 64/100; 4.9★ from 663 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Zoom Drain of Seattle, posts 24/7 hours; ranked #2 of 147.

  3. 14

    Most-reviewed: Gene Johnson Plumbing, 4,041 Google reviews at 4.8★, the most of 147 ranked; ranked #14.

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

147 Union Hill-Novelty Hill septic service companies are ranked here by CR Score, from ten published factors. 79 are open 24/7, 120 open Saturdays and 100 open Sundays, based on posted hours. The median Google rating is 4.9★ across 147 rated businesses.

Top 10 septic service companies in Union Hill-Novelty Hill at a glance

Top 10 septic service companies in Union Hill-Novelty Hill at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Fresh N Clean Septic644.9★ (663)Woodinville, 7 mi away24/7Overall
2Zoom Drain of Seattle635.0★ (835)Seattle, 15 mi away24/7Emergencies
3A Wesco Septic Services614.8★ (550)Snohomish, 12 mi away24/7—
4Washington Rooter Sewer & Drain Service LLC605.0★ (310)Bellevue, 6 mi away24/7—
5A Wesco Septic Services594.7★ (229)Snohomish, 13 mi away24/7—
6American Rooter Sewer & Drain Service LLC595.0★ (316)Bellevue, 8 mi away24/7—
72 Sons Plumbing, Sewer, Septic, Electric, Heating & Air594.9★ (3,532)Seattle, 17 mi awaySat · Sun · Evenings—
8Puget Sound Septic595.0★ (413)Maple Valley, 21 mi awaySat · Sun · Evenings—
9JSM Dirt and Sanitation585.0★ (45)Camano, 7 mi awaySat · Sun · Evenings—
10All County Septic Service584.9★ (121)Everett, 19 mi away24/7—

The 147 best septic service companies in Union Hill-Novelty Hill, 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. Ranked #1 in Union Hill-Novelty Hill

    #1 Fresh N Clean Septic

    Based in Woodinville, 7 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 663 Google reviews, listed on Google as “Septic system service”.

    • 4.9★ from 663 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17226 NE Woodinville Duvall Rd, Woodinville, WA 98072
    View profile for Fresh N Clean Septic(888) 362-7782

  2. #2 Zoom Drain of Seattle

    Based in Seattle, 15 mi away

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 835 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 835 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10011 Greenwood Ave N, Seattle, WA 98133
    View profile for Zoom Drain of Seattle(206) 309-5645

  8. #8 Puget Sound Septic

    Based in Maple Valley, 21 mi away

    59/100CR 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
    View profile for Puget Sound Septic(425) 403-2979

  11. #11 Septic Response

    Based in Kirkland, 8 mi away

    58/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 213 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    672 7th Ave, Kirkland, WA 98033
    View profile for Septic Response(206) 962-2600

  25. #25 A1 Septic Service

    Based in Everett, 19 mi away

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 279 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 279 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10121 Evergreen Wy Suite 25-696, Everett, WA 98204
    View profile for A1 Septic Service(425) 231-3454

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

septic service companies in Union Hill-Novelty Hill, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mr. Rooter Plumbing of Seattle564.8★ (2,646)18 mi
27Above Grade Septic565.0★ (65)17 mi
28Eastside Plumbing, Sewer, Septic, Electric, Heating & Air - Issaquah564.9★ (98)10 mi
29Sky Valley Pumper, Inc564.9★ (66)17 mi
30Jafco Plumbing and Sewer564.8★ (251)15 mi
31Newline Pipe Solutions Plumbing Sewer & Drain565.0★ (36)6 mi
32Lighthouse Plumbing565.0★ (268)10 mi
33The Septic Group (Formerly Kingsgate Septic)563.1★ (12)5 mi
34SOS Septic Pumping555.0★ (26)20 mi
35ALL WAYS ROOTER LLC Sewer & Drain, Hydro Jet555.0★ (180)12 mi
36Upfront Septic & Plumbing - Woodinville555.0★ (3)7 mi
37Beacon Plumbing, Heating, Electrical & Mechanical Inc - Seattle554.5★ (2,956)15 mi
38All City Sewer Repair555.0★ (81)14 mi
39Sewer Friendly554.8★ (198)16 mi
40McNel Septic Service554.9★ (144)11 mi
41Fox Plumbing, Heating & Cooling (now a Gene Johnson company)554.8★ (2,264)22 mi
42Kaizen Plumbing & Sewer, Bellevue555.0★ (29)8 mi
43Lakeside Septic554.9★ (85)16 mi
44Aqualine Plumbing & Sewer554.8★ (579)18 mi
45Northwest Septic & Pumping554.6★ (169)22 mi
46Jim Dandy Sewer and Plumbing554.5★ (436)16 mi
47Pacific Custom Sewer and Drainage555.0★ (57)13 mi
48Pro Sewer Repair555.0★ (201)22 mi
49Neighbors Septic Service554.6★ (28)13 mi
50Craftsman Plumbing544.8★ (636)17 mi

Also serving Union Hill-Novelty Hill

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.

Unranked septic service companies serving Union Hill-Novelty Hill
BusinessGoogle ratingDistance
Ace Sewer Line Repair Services16 mi
Clearline Sewer Repair5.0★ (1)11 mi
CLS Septics & Electrical5.0★ (1)22 mi
Earthwise Excavation5.0★ (1)10 mi
Evergreen Sanitation1.0★ (1)17 mi
Evergreen Sewer5.0★ (1)23 mi
Grease Masters, Inc19 mi
Hackney Designs5.0★ (1)23 mi
I Need A Plumber Now and Sewer Services5.0★ (2)15 mi
Insight Septic Design5.0★ (2)17 mi
Limitless Sewer Solutions, LLC5.0★ (1)21 mi
Neighbor's Sno-Valley Septic17 mi
Northrup Construction Inc5.0★ (1)15 mi
Pipe Commander Sewer And Septic17 mi
Pro Flow Plumbing & Sewers5.0★ (2)17 mi
S V Greso16 mi
Seattle Septic Pros15 mi
Sorrell Septic Design LLC5.0★ (2)12 mi
The Septic Group (Formerly Snohomish Septic)1.0★ (2)23 mi
Wadleigh Water and Sewer5.0★ (2)13 mi

How we ranked Union Hill-Novelty Hill septic service companies

We scored 147 Union Hill-Novelty Hill 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 Union Hill-Novelty Hill 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 Union Hill-Novelty Hill: frequently asked questions

Who is the best septic service company in Union Hill-Novelty Hill?

By CR Score, the highest-ranked septic service company in Union Hill-Novelty Hill, WA is Fresh N Clean Septic with a CR Score of 64/100. It has 4.9★ from 663 Google reviews. It is open 24/7. Zoom Drain of Seattle (#2) and A Wesco Septic Services (#3) follow. We ranked 147 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Union Hill-Novelty Hill?

ContractorsRanked ranks 147 septic service companies serving Union Hill-Novelty Hill, WA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Union Hill-Novelty Hill are open 24/7?

79 ranked septic service companies in Union Hill-Novelty Hill post 24/7 hours. The highest-ranked are Fresh N Clean Septic (#1), Zoom Drain of Seattle (#2) and A Wesco Septic Services (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Union Hill-Novelty Hill work on weekends?

120 of 147 ranked septic service companies post Saturday hours and 100 post Sunday hours. The highest-ranked open Saturdays are Fresh N Clean Septic (#1), Zoom Drain of Seattle (#2) and A Wesco Septic Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Union Hill-Novelty Hill septic service companies have?

The median Google rating among 147 rated septic service companies in Union Hill-Novelty Hill is 4.9★, with a median of 39 reviews. Gene Johnson Plumbing has the most, 4,041 reviews, and ranks #14. 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 Union Hill-Novelty Hill count in this ranking?

Yes, if they are within 25 mi of the Union Hill-Novelty Hill 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 Union Hill-Novelty Hill

  1. November 2026: CR Scores recalculated for 147 septic service companies serving Union Hill-Novelty Hill.
  2. November 2026: 1 duplicate listing merged.

More septic service companies and Union Hill-Novelty Hill pages

Other trades in Union Hill-Novelty Hill