63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 91 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 League City, TX (2026)
37 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in League City: League City Septic, CR Score 63/100; 4.8★ from 91 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Shamrock Septic ️ - 24/7 Alvin, Texas, posts 24/7 hours; ranked #2 of 37.
- 7
Most-reviewed: The Repipe Company a Plumbing & Sewer Drain specialist, 144 Google reviews at 4.7★, the most of 37 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 League City septic service companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 19 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.3★ across 37 rated businesses.
Top 10 septic service companies in League City at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | League City Septic | 63 | 4.8★ (91) | Houston, 13 mi away | 24/7 | Overall |
| 2 | Shamrock Septic ️ - 24/7 Alvin, Texas | 62 | 4.8★ (81) | Alvin, 14 mi away | 24/7 | Emergencies |
| 3 | Ingram Plumbing Co | 58 | 4.9★ (132) | Webster, 5 mi away | 24/7 | — |
| 4 | Tideland Grease Trap & Septic Service | 58 | 4.9★ (82) | Santa Fe, 8 mi away | — | — |
| 5 | Ryno Plumbing LLC | 56 | 5.0★ (24) | League City | 24/7 | — |
| 6 | Liquid Waste Solutions | 55 | 3.9★ (32) | Houston, 21 mi away | 24/7 | — |
| 7 | The Repipe Company a Plumbing & Sewer Drain specialist | 55 | 4.7★ (144) | Pearland, 12 mi away | — | Most reviews |
| 8 | Environmental Construction Services | 55 | 4.8★ (43) | Manvel, 14 mi away | — | — |
| 9 | Hughes Pump Service | 55 | 4.5★ (37) | Alvin, 10 mi away | — | — |
| 10 | Wastewater Transport Services | 54 | 4.1★ (20) | Houston, 22 mi away | 24/7 | — |
The 37 best septic service companies in League City, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Alvin, 14 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Webster, 5 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 132 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Fe, 8 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 82 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in League City
56/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 21 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearland, 12 mi away
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.7★ from 144 Google reviews, the most in League City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manvel, 14 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ 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 Alvin, 10 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.5★ from 37 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 22 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.1★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 DH Services
Based in Deer Park, 15 mi away
54/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 52 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Fe, 9 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alvin, 10 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.4★ from 29 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Fe, 7 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#15 Sewer Squad
Based in Houston, 21 mi away
53/100CR ScoreRanked #15 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.
Based in Webster, 5 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 Trecon Co Inc.
Based in Pasadena, 8 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.0★ 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 Galveston, 18 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 Texas Precast
Based in Santa Fe, 9 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ 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 Pearland, 18 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alvin, 17 mi away
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.7★ from 37 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Quality Plumbing
Based in Galveston, 11 mi away
51/100CR ScoreRanked #22 because of its Google rating and review volume: 4.0★ from 41 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hitchcock, 12 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.9★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearland, 20 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.4★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton, 10 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 1.6★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 37 septic service companies
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | United Site Services | 50 | 2.5★ (18) | 16 mi |
| 27 | Puddle Pulse French Drain's & Sewerage Installation | 50 | 5.0★ (5) | 10 mi |
| 28 | Brumfield Sanitation | 50 | 3.8★ (5) | 24 mi |
| 29 | Southern Vacuum | 49 | 4.2★ (20) | 22 mi |
| 30 | United Rentals - Reliable Onsite Services | 49 | 3.9★ (7) | 14 mi |
| 31 | Drane Ranger Vacuum Services | 49 | 3.8★ (16) | 21 mi |
| 32 | Patriot Plumbing | 48 | 5.0★ (12) | 9 mi |
| 33 | Keenan Water Well & Septic Systems | 47 | 3.3★ (21) | 11 mi |
| 34 | R&B Aerobic Treatments Systems LLC | 45 | 4.3★ (11) | 12 mi |
| 35 | Apt Plumbing | 45 | 1.7★ (7) | In League City |
| 36 | Central Flow Line Plumbing of Galveston | 44 | 4.2★ (6) | 23 mi |
| 37 | Backbone Plumbing | 43 | 4.8★ (6) | 14 mi |
Also serving League City
6 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 |
|---|---|---|
| Cosmic Septic | 5.0★ (1) | 15 mi |
| J.Leal Construction Services | 5.0★ (1) | 19 mi |
| Jaxo Septic Tank Pumping | 11 mi | |
| Kleen Tank of Galveston | 5.0★ (2) | 23 mi |
| Texans #1 Septic and Grease Service | In League City | |
| USA Houston Septic Service | 5 mi |
How we ranked League City septic service companies
We scored 37 League City 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 League City 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 League City: frequently asked questions
Who is the best septic service company in League City?
By CR Score, the highest-ranked septic service company in League City, TX is League City Septic with a CR Score of 63/100. It has 4.8★ from 91 Google reviews. It is open 24/7. Shamrock Septic ️ - 24/7 Alvin, Texas (#2) and Ingram Plumbing Co (#3) follow. We ranked 37 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in League City?
ContractorsRanked ranks 37 septic service companies serving League City, TX. 2 of them are based in League City; the rest serve it from nearby towns. Another 6 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in League City are open 24/7?
11 ranked septic service companies in League City post 24/7 hours. The highest-ranked are League City Septic (#1), Shamrock Septic ️ - 24/7 Alvin, Texas (#2) and Ingram Plumbing Co (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in League City work on weekends?
19 of 37 ranked septic service companies post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are League City Septic (#1), Shamrock Septic ️ - 24/7 Alvin, Texas (#2) and Ingram Plumbing Co (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do League City septic service companies have?
The median Google rating among 37 rated septic service companies in League City is 4.3★, with a median of 18 reviews. The Repipe Company a Plumbing & Sewer Drain specialist has the most, 144 reviews, and ranks #7. 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 League City count in this ranking?
Yes, if they are within 25 mi of the League City 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 League City
- November 2026: CR Scores recalculated for 37 septic service companies serving League City.
- November 2026: 1 duplicate listing merged.
More septic service companies and League City pages
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