61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 2,811 Google reviews, the most in Grain Valley.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Grain Valley, MO (2026)
46 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Grain Valley: A-1 Sewer & Septic, CR Score 61/100; 4.8★ from 2,811 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Complete Septic Service, posts 24/7 hours; ranked #2 of 46.
- 9
Most-reviewed: True Blue Plumbing LLC, 1,320 Google reviews at 4.7★, the most of 46 ranked after A-1 Sewer & Septic; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
46 Grain Valley septic service companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 18 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.9★ across 46 rated businesses.
Top 10 septic service companies in Grain Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A-1 Sewer & Septic | 61 | 4.8★ (2,811) | Kansas City, 24 mi away | 24/7 | Overall |
| 2 | Complete Septic Service | 60 | 5.0★ (131) | Kansas City, 16 mi away | 24/7 | Emergencies |
| 3 | Septic Kings | 58 | 5.0★ (57) | Kansas City, 9 mi away | 24/7 | — |
| 4 | Rose Septic Tank Cleaning Inc | 58 | 4.9★ (147) | Grain Valley | — | — |
| 5 | PLUMBCO | 57 | 5.0★ (19) | Independence, 10 mi away | 24/7 | — |
| 6 | Dick Ray Master Plumber Heating and Cooling | 57 | 4.9★ (264) | Kansas City, 22 mi away | Sat · Sun · Evenings | — |
| 7 | Mathews Septic Service | 57 | 5.0★ (34) | Kansas City, 18 mi away | 24/7 | — |
| 8 | Snake 'n' Rooter Plumbing Company | 56 | 4.8★ (553) | Lee's Summit, 9 mi away | 24/7 | — |
| 9 | True Blue Plumbing LLC | 56 | 4.7★ (1,320) | Kansas City, 25 mi away | Sat · Evenings | Most reviews |
| 10 | Mr. Rooter Plumbing of Kansas City | 54 | 4.7★ (446) | Kansas City, 15 mi away | 24/7 | — |
The 46 best septic service companies in Grain Valley, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Kansas City, 16 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#3 Septic Kings
Based in Kansas City, 9 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grain Valley
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 147 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 PLUMBCO
Based in Independence, 10 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ 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 Kansas City, 22 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 264 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 18 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lee's Summit, 9 mi away
56/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 553 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 25 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 1,320 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 15 mi away
54/100CR ScoreRanked #10 because of its Google rating and review volume: 4.7★ from 446 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belton, 25 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 16 mi away
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 17 mi away
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 21 mi away
53/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lee's Summit, 13 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pleasant Hill, 16 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kansas City, 15 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lee's Summit, 13 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lee's Summit, 13 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Independence, 15 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Home inspector”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blue Springs, 5 mi away
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 55 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lee's Summit, 11 mi away
51/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 17 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kansas City, 20 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 48 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pleasant Hill, 16 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Independence, 20 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 46 septic service companies
#1 to #25 are shown in full above. Here are #26 to #46, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | DMC Service, Inc | 50 | 4.9★ (31) | 18 mi |
| 27 | KCS, LLC | 49 | 5.0★ (13) | 20 mi |
| 28 | Apex Underground - Sewer & Septic | 49 | 5.0★ (91) | 20 mi |
| 29 | Williams Plumbing Sewer-Drain | 48 | 3.9★ (36) | 12 mi |
| 30 | Affordable Plumbing and Sewer | 48 | 4.4★ (220) | 19 mi |
| 31 | Residential Sewage Treatment | 48 | 3.9★ (20) | 21 mi |
| 32 | CME Sewer Repair | 48 | 4.8★ (16) | 11 mi |
| 33 | Hudson Plumbing Sewer and Drain | 48 | 5.0★ (3) | 10 mi |
| 34 | KC Sewer Repair | 47 | 5.0★ (9) | 19 mi |
| 35 | O'Banion Plumbing and Sewer Repair, LLC | 46 | 5.0★ (5) | 20 mi |
| 36 | Dunlap Plumbing, Inc. | 45 | 4.1★ (9) | 6 mi |
| 37 | Moonlight Sewer Services | 45 | 5.0★ (3) | 19 mi |
| 38 | Hydro Physics Pipe Inspection | 45 | 5.0★ (43) | 21 mi |
| 39 | Mullendike Sanitary Sewer District | 45 | 2.5★ (4) | 17 mi |
| 40 | Alton Septic Services | 44 | 2.3★ (3) | 11 mi |
| 41 | Integrity Excavation | 44 | 5.0★ (35) | 23 mi |
| 42 | Rice Plumbing Sewer & Drain | 44 | 3.6★ (12) | 20 mi |
| 43 | M & M Plumbing Services | 43 | 4.6★ (28) | 21 mi |
| 44 | Odessa Winsupply | 43 | 3.9★ (14) | 13 mi |
| 45 | Mayes Plumbing Inc | 40 | 4.1★ (8) | 24 mi |
| 46 | Earthworks Excavation | 40 | 4.2★ (5) | 24 mi |
Also serving Grain Valley
15 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 |
|---|---|---|
| AAA Sewer Services | 5.0★ (1) | 13 mi |
| Barber Sewer & Ditching | 5.0★ (1) | 21 mi |
| Bates City Asphalt & Septic Co | 2.5★ (2) | 7 mi |
| Blue Springs Sewer Service & Plumbing Repair | 4 mi | |
| Carl's Septic Tank & Excavating | 24 mi | |
| CCB Septic Pumping LLC | 5.0★ (2) | 2 mi |
| Dale's Septic Solutions | 5.0★ (1) | 11 mi |
| Gibson Maintenance & Repair | 25 mi | |
| Heartland Vac Service | 5.0★ (1) | 24 mi |
| Kansas City Septic Services | 1.0★ (1) | 21 mi |
| OWTS Solutions | 5.0★ (2) | 25 mi |
| Reliant Septic Pumping | 21 mi | |
| Savant Sewer and Drain LLC | 22 mi | |
| Sewer Scout | 23 mi | |
| Sewer Scout, LLC | 5.0★ (2) | 20 mi |
How we ranked Grain Valley septic service companies
We scored 46 Grain Valley 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 Grain Valley 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 Grain Valley: frequently asked questions
Who is the best septic service company in Grain Valley?
By CR Score, the highest-ranked septic service company in Grain Valley, MO is A-1 Sewer & Septic with a CR Score of 61/100. It has 4.8★ from 2,811 Google reviews. It is open 24/7. Complete Septic Service (#2) and Septic Kings (#3) follow. We ranked 46 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Grain Valley?
ContractorsRanked ranks 46 septic service companies serving Grain Valley, MO. 1 of them is based in Grain Valley; the rest serve it from nearby towns. Another 15 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Grain Valley are open 24/7?
11 ranked septic service companies in Grain Valley post 24/7 hours. The highest-ranked are A-1 Sewer & Septic (#1), Complete Septic Service (#2) and Septic Kings (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Grain Valley work on weekends?
18 of 46 ranked septic service companies post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are A-1 Sewer & Septic (#1), Complete Septic Service (#2) and Septic Kings (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Grain Valley septic service companies have?
The median Google rating among 46 rated septic service companies in Grain Valley is 4.9★, with a median of 25 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 Grain Valley count in this ranking?
Yes, if they are within 25 mi of the Grain Valley 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 Grain Valley
- November 2026: CR Scores recalculated for 46 septic service companies serving Grain Valley.
- November 2026: 1 duplicate listing merged.
More septic service companies and Grain Valley pages
Septic service companies near Grain Valley
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Other trades in Grain Valley
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- All contractors in Grain Valley