60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 3,678 Google reviews, the most in Gahanna.
Best Septic Service Companies in Gahanna, OH (2026)
50 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Gahanna: Mr. Rooter Plumbing of Columbus, CR Score 60/100; 4.7★ from 3,678 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Parson Plumbing and Drains, posts 24/7 hours; ranked #2 of 50.
- 5
Most-reviewed: The Waterworks Plumbing, Drain, Heating & Cooling, 2,138 Google reviews at 4.7★, the most of 50 ranked after Mr. Rooter Plumbing of Columbus; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Gahanna septic service companies are ranked here by CR Score, from ten published factors. 20 are open 24/7, 28 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.8★ across 50 rated businesses.
Top 10 septic service companies in Gahanna at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Rooter Plumbing of Columbus | 60 | 4.7★ (3,678) | Columbus, 4 mi away | 24/7 | Overall |
| 2 | Parson Plumbing and Drains | 59 | 5.0★ (492) | Columbus, 2 mi away | 24/7 | Emergencies |
| 3 | DrainMaster Drain Cleaning & Sewer Line Repair | 59 | 4.9★ (741) | Columbus, 13 mi away | 24/7 | — |
| 4 | Epic Septic | 58 | 4.8★ (15) | Columbus, 5 mi away | 24/7 | — |
| 5 | The Waterworks Plumbing, Drain, Heating & Cooling | 58 | 4.7★ (2,138) | Columbus, 9 mi away | 24/7 | Most reviews |
| 6 | Miller's Septic Tank Cleaning | 57 | 5.0★ (10) | Hickory, 6 mi away | 24/7 | — |
| 7 | J. Blanton Plumbing, Sewer & Drain | 57 | 4.9★ (137) | Columbus, 9 mi away | 24/7 | — |
| 8 | BE Ohio | 56 | 5.0★ (36) | Marion, 20 mi away | 24/7 | — |
| 9 | Bassett Services: Heating, Cooling, Plumbing & Electrical (Discount Drains) | 55 | 4.7★ (987) | Lewis Center, 14 mi away | 24/7 | — |
| 10 | Chuck's Septic Tank Sewer & Drain Cleaning Inc. | 55 | 4.6★ (131) | Grove City, 11 mi away | 24/7 | — |
The 50 best septic service companies in Gahanna, 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.
Based in Columbus, 2 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 492 Google reviews.
Based in Columbus, 13 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 741 Google reviews.
#4 Epic Septic
Based in Columbus, 5 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Columbus, 9 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 2,138 Google reviews.
Based in Hickory, 6 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Columbus, 9 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 137 Google reviews, listed on Google as “Plumber”.
#8 BE Ohio
Based in Marion, 20 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Septic system service”.
Based in Lewis Center, 14 mi away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 4.7★ from 987 Google reviews.
Based in Grove City, 11 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 131 Google reviews, listed on Google as “Plumber”.
Based in Columbus, 3 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 4.6★ from 145 Google reviews.
#12 Sewer Pro
Based in Columbus, 4 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 236 Google reviews, listed on Google as “Contractor”.
Based in Westerville, 8 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.9★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Columbus, 8 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 41 Google reviews, listed on Google as “Plumber”.
Based in Columbus, 9 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 231 Google reviews, listed on Google as “Plumber”.
Based in Delaware, 25 mi away
53/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 1,104 Google reviews.
Based in London, 17 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Septic system service”.
Based in Grove City, 6 mi away
53/100CR ScoreRanked #18 because of its Google rating and availability: 4.6★ from 54 Google reviews, open 24/7.
Based in Columbus, 6 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based in Columbus, 13 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Septic system service”.
Based in Pataskala, 12 mi away
52/100CR ScoreRanked #21 because of its Google rating and review volume: 4.7★ from 71 Google reviews.
Based in Delaware, 21 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.
Based in Reynoldsburg, 3 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Groveport, 10 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.2★ from 105 Google reviews, listed on Google as “Plumber”.
Based in Columbus, 4 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Plumber”.
All 50 septic service companies
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Also serving Gahanna
4 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 |
|---|---|---|
| A Buckeye Rooter Sewer and Drain Services | 1.0★ (2) | 8 mi |
| ACR DRAINS | 8 mi | |
| Dodrill Excavating | 23 mi | |
| Ecosep Septic Tank Pumping | 13 mi |
How we ranked Gahanna septic service companies
We scored 50 Gahanna 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 Gahanna 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 Gahanna: frequently asked questions
Who is the best septic service company in Gahanna?
By CR Score, the highest-ranked septic service company in Gahanna, OH is Mr. Rooter Plumbing of Columbus with a CR Score of 60/100. It has 4.7★ from 3,678 Google reviews. It is open 24/7. Parson Plumbing and Drains (#2) and DrainMaster Drain Cleaning & Sewer Line Repair (#3) follow. We ranked 50 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Gahanna?
ContractorsRanked ranks 50 septic service companies serving Gahanna, OH. Another 4 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Gahanna are open 24/7?
20 ranked septic service companies in Gahanna post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Columbus (#1), Parson Plumbing and Drains (#2) and DrainMaster Drain Cleaning & Sewer Line Repair (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Gahanna work on weekends?
28 of 50 ranked septic service companies post Saturday hours and 23 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of Columbus (#1), Parson Plumbing and Drains (#2) and DrainMaster Drain Cleaning & Sewer Line Repair (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Gahanna septic service companies have?
The median Google rating among 50 rated septic service companies in Gahanna is 4.8★, with a median of 42 reviews. Mr. Rooter Plumbing of Columbus has the most, 3,678 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 Gahanna count in this ranking?
Yes, if they are within 25 mi of the Gahanna 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 Gahanna
- November 2026: CR Scores recalculated for 50 septic service companies serving Gahanna.
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