62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 165 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Houston, TX (2026)
76 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Houston: Septic Pro Services, CR Score 62/100; 4.9★ from 165 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): John Moore Services, posts 24/7 hours; ranked #3 of 76.
- 3
Most-reviewed: John Moore Services, 18,868 Google reviews at 4.7★, the most of 76 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
76 Houston septic service companies are ranked here by CR Score, from ten published factors. 27 are open 24/7, 52 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.8★ across 76 rated businesses.
Top 10 septic service companies in Houston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Septic Pro Services | 62 | 4.9★ (165) | Houston | 24/7 | Overall |
| 2 | Magnolia Septic Pumping LLC | 61 | 5.0★ (248) | Houston | Sat · Sun · Evenings | — |
| 3 | John Moore Services | 61 | 4.7★ (18,868) | Houston | 24/7 | Emergencies, Most reviews |
| 4 | League City Septic | 60 | 4.8★ (91) | Houston | 24/7 | — |
| 5 | Affordable Environmental Services | 60 | 5.0★ (56) | Houston | 24/7 | — |
| 6 | Las Haciendas Design & Engineering, LLC (Planos, Permisos, Plans, Permits) | 60 | 4.8★ (202) | Houston | Sat · Sun · Evenings | — |
| 7 | Allied Septic Service LLC | 59 | 4.5★ (120) | Houston | 24/7 | — |
| 8 | Abracadabra Septic Pumping | 59 | 4.9★ (223) | Houston | Sat | — |
| 9 | Texas Hydro Jetting & Drain | 58 | 5.0★ (22) | Houston | 24/7 | — |
| 10 | JB SEPTIC LLC | 58 | 5.0★ (43) | Houston | Sat · Sun · Evenings | — |
The 76 best septic service companies in Houston, 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
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 248 Google reviews, listed on Google as “Septic system service”.
Based in Houston
61/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 18,868 Google reviews, the most in Houston.
Based in Houston
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 91 Google reviews, listed on Google as “Septic system service”.
Based in Houston
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Septic system service”.
Based in Houston
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 202 Google reviews, listed on Google as “Septic system service”.
Based in Houston
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Septic system service”.
Based in Houston
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 223 Google reviews, listed on Google as “Septic system service”.
Based in Houston
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Septic system service”.
#10 JB SEPTIC LLC
Based in Houston
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Septic system service”.
Based in Houston
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Houston
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based in Houston
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Septic system service”.
Based in Houston
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Cypress, 23 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 406 Google reviews, listed on Google as “Septic system service”.
#16 Sewer Squad
Based in Houston
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in Houston
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.1★ from 20 Google reviews, listed on Google as “Septic system service”.
Based in Houston
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Houston
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 62 Google reviews, listed on Google as “Plumber”.
Based in Houston
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.1★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Houston
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.2★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Houston
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ from 25 Google reviews, listed on Google as “Septic system service”.
Based in Houston
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 2.9★ from 21 Google reviews, listed on Google as “Septic system service”.
Based in Alvin, 23 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Septic system service”.
Based in Houston
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 16 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 76 ranked septic service companies here; the rest are on their profiles.
Also serving Houston
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) | In Houston |
| ALL SERVICES PLUMBING | 4.3★ (11) | In Houston |
| Bluebonnet Waste and Water | 5.0★ (6) | In Houston |
| Capital Care Plumbing | 5.0★ (525) | In Houston |
| Ferguson | 4.4★ (95) | In Houston |
| Ferguson | 4.5★ (36) | In Houston |
| G.I Environmental Vacuum Service - Septic Cleaning & Pumping Services | 3.0★ (2) | In Houston |
| Houston Drain Kings | 5.0★ (4) | In Houston |
| J B Paisanos Septic Tank | 4.0★ (1) | In Houston |
| JV Plumbing | 5.0★ (1) | In Houston |
| Lowe's Home Improvement | 3.9★ (3,015) | In Houston |
| Mr. Rooter Plumbing of Houston West | 5.0★ (1) | In Houston |
| Plumbers911 Houston | 4.6★ (5) | In Houston |
| Septic Service | 5.0★ (1) | In Houston |
| SERVPRO of Downtown Houston - Team Olson | In Houston | |
| Stan Roberts & Associates | 4.1★ (16) | In Houston |
| Sweet Septic | 5.0★ (1) | In Houston |
| The Home Depot | 4.2★ (2,074) | In Houston |
| Thomas & Sons Plumbing & Water Heaters | 4.9★ (119) | In Houston |
| Zoom Drain | 5.0★ (125) | In Houston |
How we ranked Houston septic service companies
We scored 76 Houston 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 Houston 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 Houston: frequently asked questions
Who is the best septic service company in Houston?
By CR Score, the highest-ranked septic service company in Houston, TX is Septic Pro Services with a CR Score of 62/100. It has 4.9★ from 165 Google reviews. It is open 24/7. Magnolia Septic Pumping LLC (#2) and John Moore Services (#3) follow. We ranked 76 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Houston?
ContractorsRanked ranks 76 septic service companies serving Houston, TX. 32 of them are based in Houston; 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 Houston are open 24/7?
27 ranked septic service companies in Houston post 24/7 hours. The highest-ranked are Septic Pro Services (#1), John Moore Services (#3) and League City Septic (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Houston work on weekends?
52 of 76 ranked septic service companies post Saturday hours and 33 post Sunday hours. The highest-ranked open Saturdays are Septic Pro Services (#1), Magnolia Septic Pumping LLC (#2) and John Moore Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Houston septic service companies have?
The median Google rating among 76 rated septic service companies in Houston is 4.8★, with a median of 24 reviews. John Moore Services has the most, 18,868 reviews, and ranks #3. 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 Houston count in this ranking?
Yes, if they are within 25 mi of the Houston 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 Houston
- November 2026: CR Scores recalculated for 76 septic service companies serving Houston.
- November 2026: 1 duplicate listing merged.
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