59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 406 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 Katy, TX (2026)
40 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Katy: Brown Aerobic Septic Specialists, CR Score 59/100; 4.8★ from 406 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): John Moore Services, posts 24/7 hours; ranked #3 of 40.
- 3
Most-reviewed: John Moore Services, 18,868 Google reviews at 4.7★, the most of 40 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
40 Katy septic service companies are ranked here by CR Score, from ten published factors. 9 are open 24/7, 22 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 40 rated businesses.
Top 10 septic service companies in Katy at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Brown Aerobic Septic Specialists | 59 | 4.8★ (406) | Cypress, 14 mi away | 24/7 | Overall |
| 2 | JB SEPTIC LLC | 57 | 5.0★ (43) | Houston, 5 mi away | Sat · Sun · Evenings | — |
| 3 | John Moore Services | 56 | 4.7★ (18,868) | Houston, 18 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Ebenezer Septic LLC | 55 | 4.9★ (35) | Houston, 10 mi away | Sat · Sun · Evenings | — |
| 5 | Affordable Environmental Services | 55 | 5.0★ (56) | Houston, 23 mi away | 24/7 | — |
| 6 | Abracadabra Septic Pumping | 55 | 4.9★ (223) | Houston, 18 mi away | Sat | — |
| 7 | Texas Hydro Jetting & Drain | 53 | 5.0★ (22) | Houston, 21 mi away | 24/7 | — |
| 8 | Briggs Septic Service | 52 | 5.0★ (18) | Sugar Land, 18 mi away | Sat · Sun | — |
| 9 | United Rentals - Reliable Onsite Services | 52 | 5.0★ (7) | Katy | — | — |
| 10 | Zoom Drain | 52 | 5.0★ (107) | Cypress, 15 mi away | 24/7 | — |
The 40 best septic service companies in Katy, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Houston, 5 mi away
57/100CR ScoreRanked #2 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, 18 mi away
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 18,868 Google reviews, the most in Katy.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 10 mi away
55/100CR ScoreRanked #4 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, 23 mi away
55/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 18 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 223 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
53/100CR ScoreRanked #7 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 Sugar Land, 18 mi away
52/100CR ScoreRanked #8 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 Katy
52/100CR ScoreRanked #9 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.
#10 Zoom Drain
Based in Cypress, 15 mi away
52/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 107 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conroe, 24 mi away
51/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cinco Ranch, 7 mi away
51/100CR ScoreRanked #12 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 Fulshear, 1 mi away
51/100CR ScoreRanked #13 because of its Google rating and availability: 4.4★ from 24 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosenberg, 16 mi away
50/100CR ScoreRanked #14 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 Houston, 17 mi away
50/100CR 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.
#16 Apache septic
Based in Tomball, 25 mi away
50/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.4★ 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 Rosenberg, 25 mi away
49/100CR ScoreRanked #17 because of its Google rating and review volume: 4.7★ from 390 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cypress, 16 mi away
49/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 445 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cypress, 23 mi away
49/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 73 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
49/100CR ScoreRanked #20 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 Rosenberg, 14 mi away
48/100CR ScoreRanked #21 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 Houston, 24 mi away
48/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosenberg, 18 mi away
48/100CR ScoreRanked #23 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 Stafford, 19 mi away
48/100CR ScoreRanked #24 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 Sugar Land, 17 mi away
48/100CR ScoreRanked #25 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.
All 40 septic service companies
#1 to #25 are shown in full above. Here are #26 to #40, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Aero-Septic Maintenance Inc | 47 | 4.2★ (50) | 21 mi |
| 27 | Trenchcore Plumbing Septic & Grease | 47 | 4.9★ (147) | 23 mi |
| 28 | South Texas Environmental | 47 | 3.2★ (14) | 20 mi |
| 29 | Bluestem Land & Septic | 47 | 5.0★ (3) | 15 mi |
| 30 | Septic Solutions LLC | 47 | 4.1★ (27) | 20 mi |
| 31 | Rocket Rooter LLC | 46 | 4.9★ (253) | 21 mi |
| 32 | Pro Source Septic & Pumping | 45 | 2.6★ (5) | 18 mi |
| 33 | All Septics | 45 | 4.3★ (6) | 24 mi |
| 34 | CPC Trenchless LLC | 45 | 4.9★ (29) | 17 mi |
| 35 | Alton's Aerobic Wastewater | 45 | 3.7★ (6) | 22 mi |
| 36 | Sewer & Drain - Garbage Disposal | 45 | 2.3★ (30) | 11 mi |
| 37 | Go Green Plumbing | 45 | 4.9★ (41) | 14 mi |
| 38 | T.E.R. Septic Site & Utilities LLC | 44 | 4.5★ (51) | 23 mi |
| 39 | Alternative Plumbing Solutions, LLC | 39 | 3.9★ (48) | 23 mi |
| 40 | Apt Plumbing | 37 | 1.7★ (7) | 23 mi |
Also serving Katy
12 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) | 23 mi |
| H J Services LLC | 21 mi | |
| Hydro Septic Sanitation Solutions | 22 mi | |
| Mr. Rooter Plumbing of Houston West | 5.0★ (1) | 21 mi |
| Septic Service | 5.0★ (1) | 24 mi |
| Septic Tank Houston | 23 mi | |
| SERVPRO of Katy North | 4.9★ (34) | In Katy |
| Sewer Repair Service Houston | 22 mi | |
| Texas Septic Solutions | 22 mi | |
| The Home Depot | 4.2★ (3,407) | In Katy |
| The Home Depot | 4.1★ (2,591) | In Katy |
| The Home Depot | 4.3★ (528) | In Katy |
How we ranked Katy septic service companies
We scored 40 Katy 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 Katy 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 Katy: frequently asked questions
Who is the best septic service company in Katy?
By CR Score, the highest-ranked septic service company in Katy, TX is Brown Aerobic Septic Specialists with a CR Score of 59/100. It has 4.8★ from 406 Google reviews. It is open 24/7. JB SEPTIC LLC (#2) and John Moore Services (#3) follow. We ranked 40 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Katy?
ContractorsRanked ranks 40 septic service companies serving Katy, TX. 1 of them is based in Katy; the rest serve it from nearby towns. Another 12 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Katy are open 24/7?
9 ranked septic service companies in Katy post 24/7 hours. The highest-ranked are Brown Aerobic Septic Specialists (#1), John Moore Services (#3) and Affordable Environmental Services (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Katy work on weekends?
22 of 40 ranked septic service companies post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are Brown Aerobic Septic Specialists (#1), JB SEPTIC LLC (#2) and John Moore Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Katy septic service companies have?
The median Google rating among 40 rated septic service companies in Katy is 4.8★, with a median of 29 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 Katy count in this ranking?
Yes, if they are within 25 mi of the Katy 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 Katy
- November 2026: CR Scores recalculated for 40 septic service companies serving Katy.
More septic service companies and Katy pages
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