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”.
Best Septic Service Companies in Pasadena, TX (2026)
61 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Pasadena: League City Septic, CR Score 63/100; 4.8★ from 91 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Shamrock Septic ️ - 24/7 Alvin, Texas, posts 24/7 hours; ranked #3 of 61.
- 5
Most-reviewed: C&A Plumbing & Septic Solutions, 219 Google reviews at 4.9★, the most of 61 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
61 Pasadena septic service companies are ranked here by CR Score, from ten published factors. 21 are open 24/7, 36 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.7★ across 61 rated businesses.
Top 10 septic service companies in Pasadena at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | League City Septic | 63 | 4.8★ (91) | Houston, 7 mi away | 24/7 | Overall |
| 2 | Las Haciendas Design & Engineering, LLC (Planos, Permisos, Plans, Permits) | 62 | 4.8★ (202) | Houston, 14 mi away | Sat · Sun · Evenings | — |
| 3 | Shamrock Septic ️ - 24/7 Alvin, Texas | 60 | 4.8★ (81) | Alvin, 18 mi away | 24/7 | Emergencies |
| 4 | Affordable Environmental Services | 60 | 5.0★ (56) | Houston, 20 mi away | 24/7 | — |
| 5 | C&A Plumbing & Septic Solutions | 58 | 4.9★ (219) | Baytown, 24 mi away | 24/7 | Most reviews |
| 6 | Ameri-Tex Septic and Grease Service | 58 | 5.0★ (15) | Houston, 11 mi away | 24/7 | — |
| 7 | Wastewater Transport Services | 58 | 4.1★ (20) | Houston, 8 mi away | 24/7 | — |
| 8 | JS Grease Services | 58 | 5.0★ (14) | Houston, 12 mi away | 24/7 | — |
| 9 | Texas Hydro Jetting & Drain | 57 | 5.0★ (22) | Houston, 18 mi away | 24/7 | — |
| 10 | DH Services | 57 | 4.8★ (52) | Deer Park, 1 mi away | 24/7 | — |
The 61 best septic service companies in Pasadena, 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 Houston, 14 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 202 Google reviews, listed on Google as “Septic system service”.
Based in Alvin, 18 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 20 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Septic system service”.
Based in Baytown, 24 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 219 Google reviews, the most in Pasadena.
Based in Houston, 11 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 8 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.1★ from 20 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 12 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 18 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Septic system service”.
#10 DH Services
Based in Deer Park, 1 mi away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 52 Google reviews.
Based in Houston, 12 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 15 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 14 mi away
57/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 62 Google reviews.
Based in Webster, 10 mi away
56/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 132 Google reviews.
Based in Pasadena
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 3.8★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Pearland, 10 mi away
55/100CR ScoreRanked #16 because of its Google rating and review volume: 4.7★ from 144 Google reviews.
#17 Trecon Co Inc.
Based in Pasadena
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 15 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 2.9★ from 21 Google reviews, listed on Google as “Septic system service”.
Based in Atascocita, 22 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Plumber”.
#20 Sewer Squad
Based in Houston, 20 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in The Woodlands, 23 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Septic system service”.
Based in Houston, 14 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “Septic system service”.
Based in Santa Fe, 22 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 82 Google reviews, listed on Google as “Septic system service”.
Based in Manvel, 17 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 43 Google reviews, listed on Google as “Septic system service”.
Based in Pearland, 6 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 3.4★ from 23 Google reviews, listed on Google as “Septic system service”.
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 61 ranked septic service companies here; the rest are on their profiles.
Also serving Pasadena
20 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-VAC Septic Service | 5.0★ (1) | 16 mi |
| Cosmic Septic | 5.0★ (1) | In Pasadena |
| ETs Septic Maintenance LLC | 19 mi | |
| G.I Environmental Vacuum Service - Septic Cleaning & Pumping Services | 3.0★ (2) | 16 mi |
| H J Services LLC | 21 mi | |
| Hydro Septic Sanitation Solutions | In Pasadena | |
| J B Paisanos Septic Tank | 4.0★ (1) | 15 mi |
| J.Leal Construction Services | 5.0★ (1) | 5 mi |
| Jaxo Septic Tank Pumping | In Pasadena | |
| Johnson's Septic Design | 3.0★ (2) | In Pasadena |
| Mr. Rooter Plumbing of Houston West | 5.0★ (1) | 17 mi |
| Round Services | 19 mi | |
| Septic Service | 5.0★ (1) | 17 mi |
| Sewer Repair Service Houston | 17 mi | |
| Surface Septic Systems | 5.0★ (1) | 23 mi |
| Texans #1 Septic and Grease Service | 11 mi | |
| Texas Pride Septic | 2.5★ (2) | 22 mi |
| Texas Septic Design | 5.0★ (2) | 24 mi |
| Texas Septic Solutions | 18 mi | |
| USA Houston Septic Service | 16 mi |
How we ranked Pasadena septic service companies
We scored 61 Pasadena 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 Pasadena 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 Pasadena: frequently asked questions
Who is the best septic service company in Pasadena?
By CR Score, the highest-ranked septic service company in Pasadena, 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. Las Haciendas Design & Engineering, LLC (Planos, Permisos, Plans, Permits) (#2) and Shamrock Septic ️ - 24/7 Alvin, Texas (#3) follow. We ranked 61 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Pasadena?
ContractorsRanked ranks 61 septic service companies serving Pasadena, TX. 2 of them are based in Pasadena; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Pasadena are open 24/7?
21 ranked septic service companies in Pasadena post 24/7 hours. The highest-ranked are League City Septic (#1), Shamrock Septic ️ - 24/7 Alvin, Texas (#3) and Affordable Environmental Services (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Pasadena work on weekends?
36 of 61 ranked septic service companies post Saturday hours and 23 post Sunday hours. The highest-ranked open Saturdays are League City Septic (#1), Las Haciendas Design & Engineering, LLC (Planos, Permisos, Plans, Permits) (#2) and Shamrock Septic ️ - 24/7 Alvin, Texas (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Pasadena septic service companies have?
The median Google rating among 61 rated septic service companies in Pasadena is 4.7★, with a median of 21 reviews. C&A Plumbing & Septic Solutions has the most, 219 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 Pasadena count in this ranking?
Yes, if they are within 25 mi of the Pasadena 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 Pasadena
- November 2026: CR Scores recalculated for 61 septic service companies serving Pasadena.
- November 2026: 1 duplicate listing merged.
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