58/100CR 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 Greatwood, TX (2026)
34 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Greatwood: League City Septic, CR Score 58/100; 4.8★ from 91 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Texas Hydro Jetting & Drain, posts 24/7 hours; ranked #2 of 34.
- 5
Most-reviewed: Big State Plumbing, 390 Google reviews at 4.7★, the most of 34 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Greatwood septic service companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 20 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.
Top 10 septic service companies in Greatwood at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | League City Septic | 58 | 4.8★ (91) | Houston, 25 mi away | 24/7 | Overall |
| 2 | Texas Hydro Jetting & Drain | 58 | 5.0★ (22) | Houston, 12 mi away | 24/7 | Emergencies |
| 3 | Shamrock Septic ️ - 24/7 Alvin, Texas | 58 | 4.8★ (81) | Alvin, 23 mi away | 24/7 | — |
| 4 | Briggs Septic Service | 58 | 5.0★ (18) | Sugar Land, 4 mi away | Sat · Sun | — |
| 5 | Big State Plumbing | 57 | 4.7★ (390) | Rosenberg, 13 mi away | 24/7 | Most reviews |
| 6 | JB SEPTIC LLC | 56 | 5.0★ (43) | Houston, 18 mi away | Sat · Sun · Evenings | — |
| 7 | Ebenezer Septic LLC | 55 | 4.9★ (35) | Houston, 21 mi away | Sat · Sun · Evenings | — |
| 8 | Liquid Waste Solutions | 55 | 3.9★ (32) | Houston, 17 mi away | 24/7 | — |
| 9 | Acacias Plumbing | Emergency Plumber, Drain Cleaning, Sewer Repair and Water Heater Installation Houston, TX | 53 | 4.8★ (62) | Houston, 24 mi away | 24/7 | — |
| 10 | Silva's Septic Services | 53 | 5.0★ (29) | Rosenberg, 16 mi away | — | — |
The 34 best septic service companies in Greatwood, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Houston, 12 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alvin, 23 mi away
58/100CR ScoreRanked #3 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 Sugar Land, 4 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ 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 Rosenberg, 13 mi away
57/100CR ScoreRanked #5 because of its Google rating and review volume: 4.7★ from 390 Google reviews, the most in Greatwood.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 18 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ 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 Houston, 21 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ 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 Houston, 17 mi away
55/100CR ScoreRanked #8 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 Houston, 24 mi away
53/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 62 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosenberg, 16 mi away
53/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ 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 Sugar Land, 5 mi away
52/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ 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 Rosenberg, 8 mi away
52/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.2★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Richmond, 8 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.1★ from 27 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosenberg, 5 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 16 mi away
52/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 20 mi away
52/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.3★ 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 Manvel, 22 mi away
51/100CR ScoreRanked #17 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 Houston, 22 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 2.9★ 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 Stafford, 9 mi away
51/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cypress, 11 mi away
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 3.2★ 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 Pasadena, 19 mi away
50/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.8★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pearland, 24 mi away
50/100CR ScoreRanked #22 because of its Google rating and review volume: 4.7★ from 144 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cinco Ranch, 23 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Houston, 16 mi away
49/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.8★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosenberg, 11 mi away
49/100CR ScoreRanked #25 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.
All 34 septic service companies
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Big State Plumbing | 49 | 4.4★ (24) | 20 mi |
| 27 | United Rentals - Reliable Onsite Services | 48 | 5.0★ (7) | 21 mi |
| 28 | Affordable Septic Co | 48 | 3.7★ (37) | 24 mi |
| 29 | Bluestem Land & Septic | 47 | 5.0★ (3) | 19 mi |
| 30 | Sewer & Drain - Garbage Disposal | 46 | 2.3★ (30) | 16 mi |
| 31 | Go GREEN Septic Solutions | 46 | 1.6★ (7) | 25 mi |
| 32 | CPC Trenchless LLC | 46 | 4.9★ (29) | 24 mi |
| 33 | Alternative Plumbing Solutions, LLC | 42 | 3.9★ (48) | 23 mi |
| 34 | Backbone Plumbing | 40 | 4.8★ (6) | 24 mi |
Also serving Greatwood
7 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 |
|---|---|---|
| G.I Environmental Vacuum Service - Septic Cleaning & Pumping Services | 3.0★ (2) | 22 mi |
| Hydro Septic Sanitation Solutions | 23 mi | |
| Mr. Rooter Plumbing of Houston West | 5.0★ (1) | 15 mi |
| Septic Service | 5.0★ (1) | 24 mi |
| Sewer Repair Service Houston | 22 mi | |
| Texas Septic & Sewer | 24 mi | |
| Texas Septic Solutions | 23 mi |
How we ranked Greatwood septic service companies
We scored 34 Greatwood 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 Greatwood 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 Greatwood: frequently asked questions
Who is the best septic service company in Greatwood?
By CR Score, the highest-ranked septic service company in Greatwood, TX is League City Septic with a CR Score of 58/100. It has 4.8★ from 91 Google reviews. It is open 24/7. Texas Hydro Jetting & Drain (#2) and Shamrock Septic ️ - 24/7 Alvin, Texas (#3) follow. We ranked 34 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Greatwood?
ContractorsRanked ranks 34 septic service companies serving Greatwood, TX. Another 7 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Greatwood are open 24/7?
8 ranked septic service companies in Greatwood post 24/7 hours. The highest-ranked are League City Septic (#1), Texas Hydro Jetting & Drain (#2) and Shamrock Septic ️ - 24/7 Alvin, Texas (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Greatwood work on weekends?
20 of 34 ranked septic service companies post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are League City Septic (#1), Texas Hydro Jetting & Drain (#2) and Shamrock Septic ️ - 24/7 Alvin, Texas (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Greatwood septic service companies have?
The median Google rating among 34 rated septic service companies in Greatwood is 4.8★, with a median of 24 reviews. Big State Plumbing has the most, 390 reviews, and ranks #5. 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 Greatwood count in this ranking?
Yes, if they are within 25 mi of the Greatwood 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 Greatwood
- November 2026: CR Scores recalculated for 34 septic service companies serving Greatwood.
More septic service companies and Greatwood pages
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