61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 384 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Mason, OH (2026)
51 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mason: SepTek Services, CR Score 61/100; 4.8★ from 384 Google reviews; open 7 days a week.
- 4
Best for emergencies (open 24/7): Mr. Rooter Plumbing of Greater Cincinnati, posts 24/7 hours; ranked #4 of 51.
- 4
Most-reviewed: Mr. Rooter Plumbing of Greater Cincinnati, 819 Google reviews at 4.7★, the most of 51 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
51 Mason septic service companies are ranked here by CR Score, from ten published factors. 10 are open 24/7, 27 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.7★ across 51 rated businesses.
Top 10 septic service companies in Mason at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SepTek Services | 61 | 4.8★ (384) | Franklin, 12 mi away | Sat · Sun | Overall |
| 2 | Black Water Septic Pros | 61 | 4.8★ (211) | Hamilton, 10 mi away | Sat · Sun | — |
| 3 | Bishop Septic Pumping | 59 | 4.6★ (66) | Mason | — | — |
| 4 | Mr. Rooter Plumbing of Greater Cincinnati | 58 | 4.7★ (819) | Cincinnati, 9 mi away | 24/7 | Emergencies, Most reviews |
| 5 | Sanitary Septic & Excavation | 58 | 5.0★ (85) | Middletown, 9 mi away | Sat | — |
| 6 | Triple A Pro Services | 58 | 4.8★ (653) | Middletown, 16 mi away | — | — |
| 7 | Aaron-Andrews Septic Tank Service | 57 | 4.6★ (57) | Cincinnati, 20 mi away | 24/7 | — |
| 8 | Complete Septic | 57 | 4.7★ (60) | Goshen, 16 mi away | Sat · Sun | — |
| 9 | Tank Busters Sewer & Septic | 56 | 4.9★ (43) | Cincinnati, 22 mi away | 24/7 | — |
| 10 | Mr. Rooter Plumbing of Butler and Warren Counties | 55 | 4.8★ (109) | Beckett Ridge, 9 mi away | 24/7 | — |
The 51 best septic service companies in Mason, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Hamilton, 10 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 211 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mason
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 66 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cincinnati, 9 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.7★ from 819 Google reviews, the most in Mason.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middletown, 9 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middletown, 16 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 653 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cincinnati, 20 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ 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 Goshen, 16 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 60 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cincinnati, 22 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beckett Ridge, 9 mi away
55/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 109 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 11 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 297 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in The Village of Indian Hill, 12 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 Septic Solutions
Based in Cincinnati, 23 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.1★ from 52 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 CME Sewer Repair
Based in Reading, 11 mi away
53/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 169 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middletown, 11 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Goshen, 18 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#17 Exnil Septic
Based in Cincinnati, 20 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 17 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.3★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Germantown, 22 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 33 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middletown, 10 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 19 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cincinnati, 24 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.6★ from 51 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cincinnati, 24 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cincinnati, 7 mi away
51/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.7★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cincinnati, 22 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
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 51 ranked septic service companies here; the rest are on their profiles.
Also serving Mason
18 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 |
|---|---|---|
| 4Aces Plumbing & Septic Services | 5.0★ (2) | 9 mi |
| All About Plumbing & Water Systems | 4.0★ (2) | 24 mi |
| Cincinnati Water Heater Pros | 14 mi | |
| Clearpoint Contracting | 5.0★ (1) | 20 mi |
| Dill's Dirt Work and Demolition LLC | 19 mi | |
| Dirt worx LLC | 12 mi | |
| Drying Solutions, LLC | 19 mi | |
| Eco Septic Tank Pumping Cincinnati | 18 mi | |
| Eco System Supply | 7 mi | |
| Green Acres Excavating | 5.0★ (2) | 10 mi |
| Haddix Environmental Services | 9 mi | |
| LandWORX Cincinnati LLC | 4 mi | |
| Neal's Septic Services | 7 mi | |
| Porginski Excavating, LLC | 5.0★ (2) | In Mason |
| Sep Tek | 12 mi | |
| Septic Services in Cincinnati | 22 mi | |
| Septic Tank Dayton Ohio | 5.0★ (1) | 21 mi |
| Tri State Liquid Waste | 14 mi |
How we ranked Mason septic service companies
We scored 51 Mason 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 Mason 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 Mason: frequently asked questions
Who is the best septic service company in Mason?
By CR Score, the highest-ranked septic service company in Mason, OH is SepTek Services with a CR Score of 61/100. It has 4.8★ from 384 Google reviews. It is open 7 days a week. Black Water Septic Pros (#2) and Bishop Septic Pumping (#3) follow. We ranked 51 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Mason?
ContractorsRanked ranks 51 septic service companies serving Mason, OH. 1 of them is based in Mason; the rest serve it from nearby towns. Another 18 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Mason are open 24/7?
10 ranked septic service companies in Mason post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Greater Cincinnati (#4), Aaron-Andrews Septic Tank Service (#7) and Tank Busters Sewer & Septic (#9). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Mason work on weekends?
27 of 51 ranked septic service companies post Saturday hours and 17 post Sunday hours. The highest-ranked open Saturdays are SepTek Services (#1), Black Water Septic Pros (#2) and Mr. Rooter Plumbing of Greater Cincinnati (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mason septic service companies have?
The median Google rating among 51 rated septic service companies in Mason is 4.7★, with a median of 31 reviews. Mr. Rooter Plumbing of Greater Cincinnati has the most, 819 reviews, and ranks #4. 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 Mason count in this ranking?
Yes, if they are within 25 mi of the Mason 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 Mason
- November 2026: CR Scores recalculated for 51 septic service companies serving Mason.
More septic service companies and Mason pages
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