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Best Septic Service Companies in Liberty, MO (2026)

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

The short answer

  1. 1

    Best overall in Liberty: A-1 Sewer & Septic, CR Score 63/100; 4.8★ from 2,811 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Complete Septic Service, posts 24/7 hours; ranked #2 of 43.

  3. 7

    Most-reviewed: Dick Ray Master Plumber Heating and Cooling, 1,414 Google reviews at 4.8★, the most of 43 ranked after A-1 Sewer & Septic; ranked #7.

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

43 Liberty septic service companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 21 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.8★ across 43 rated businesses.

Top 10 septic service companies in Liberty at a glance

Top 10 septic service companies in Liberty at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1A-1 Sewer & Septic634.8★ (2,811)Kansas City, 19 mi away24/7Overall
2Complete Septic Service615.0★ (131)Kansas City, 11 mi away24/7Emergencies
3True Blue Plumbing LLC604.7★ (1,320)Kansas City, 12 mi awaySat · Evenings—
4Dick Ray Master Plumber Heating and Cooling594.9★ (264)Kansas City, 15 mi awaySat · Sun · Evenings—
5Sewer Surgeon of Kansas City/KCMO594.9★ (824)Gladstone, 9 mi awaySat · Sun—
6Septic Kings565.0★ (57)Kansas City, 19 mi away24/7—
7Dick Ray Master Plumber Heating and Cooling554.8★ (1,414)Overland Park, 20 mi away24/7Most reviews
8Dump N Pump Septic LLC555.0★ (52)Kansas City, 16 mi awaySat—
9Chapman Septic Service554.9★ (84)Kansas City, 11 mi away——
10Snake 'n' Rooter Plumbing Company544.8★ (553)Lee's Summit, 19 mi away24/7—

The 43 best septic service companies in Liberty, 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 Liberty

    Based in Kansas City, 19 mi away

    63/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.8★ from 2,811 Google reviews, the most in Liberty.

    • 4.8★ from 2,811 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1891 Merriam Ln, Kansas City, KS 66106
  2. Based in Kansas City, 12 mi away

    60/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.7★ from 1,320 Google reviews, listed on Google as “Septic system service”.

    • 4.7★ from 1,320 Google reviews
    Hours
    Mon–Fri 7:30 AM–7 PM · Sat 8 AM–5 PM · Sun closed
    Address
    3519 North Oak Trafficway, Kansas City, MO 64116
  3. Based in Kansas City, 19 mi away

    56/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 57 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  4. Based in Kansas City, 11 mi away

    55/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Septic system service”.

    • 4.9★ from 84 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1624 Blue Ridge Blvd, Kansas City, MO 64126
  5. Based in Independence, 10 mi away

    53/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Home inspector”.

    • 5.0★ from 153 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    110 1, 2 N Sterling Ave, Sugar Creek, MO 64054
  6. Based in Kansas City, 22 mi away

    49/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed

All 43 septic service companies

#1 to #25 are shown in full above. Here are #26 to #43, in CR Score order; each links to its profile.

septic service companies in Liberty, ranks 26 to 43
RankBusinessCR ScoreGoogle ratingDistance
26Affordable Plumbing and Sewer494.4★ (220)16 mi
27DMC Service, Inc494.9★ (31)24 mi
28Dykes Construction484.4★ (7)19 mi
29Williams Plumbing Sewer-Drain483.9★ (36)13 mi
30Gene's Plumbing & Sewer Service LLC484.7★ (55)17 mi
31Dick Ray Master Plumber Heating and Cooling484.8★ (17)22 mi
32Hudson Plumbing Sewer and Drain485.0★ (3)10 mi
33O'Banion Plumbing and Sewer Repair, LLC475.0★ (5)16 mi
34Moonlight Sewer Services475.0★ (3)12 mi
35KC Sewer Repair465.0★ (9)23 mi
36123 plumbing Kansas City463.7★ (3)19 mi
37M & M Plumbing Services454.6★ (28)13 mi
38Campbell Custom Homes (Wausau Homes - Smithville)454.8★ (27)12 mi
39CME Sewer Repair454.8★ (16)22 mi
40Mayes Plumbing Inc454.1★ (8)5 mi
41Alton Septic Services452.3★ (3)11 mi
42Rice Plumbing Sewer & Drain433.6★ (12)22 mi
43Dunlap Plumbing, Inc.434.1★ (9)14 mi

Also serving Liberty

17 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 Liberty septic service companies

We scored 43 Liberty 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 Liberty 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 Liberty: frequently asked questions

Who is the best septic service company in Liberty?

By CR Score, the highest-ranked septic service company in Liberty, MO is A-1 Sewer & Septic with a CR Score of 63/100. It has 4.8★ from 2,811 Google reviews. It is open 24/7. Complete Septic Service (#2) and True Blue Plumbing LLC (#3) follow. We ranked 43 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Liberty?

ContractorsRanked ranks 43 septic service companies serving Liberty, MO. Another 17 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

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

13 ranked septic service companies in Liberty post 24/7 hours. The highest-ranked are A-1 Sewer & Septic (#1), Complete Septic Service (#2) and Septic Kings (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Liberty work on weekends?

21 of 43 ranked septic service companies post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are A-1 Sewer & Septic (#1), Complete Septic Service (#2) and True Blue Plumbing LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Liberty septic service companies have?

The median Google rating among 43 rated septic service companies in Liberty is 4.8★, with a median of 40 reviews. A-1 Sewer & Septic has the most, 2,811 reviews, and ranks #1. 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 Liberty count in this ranking?

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

  1. November 2026: CR Scores recalculated for 43 septic service companies serving Liberty.
  2. November 2026: 2 duplicate listings merged.

More septic service companies and Liberty pages

Other trades in Liberty