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Best Septic Service Companies in Weslaco, TX (2026)

28 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Weslaco: Roto-Rooter Plumbing & Drain Services - Upper RGV, CR Score 59/100; 4.8★ from 1,034 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Drain - Lower RGV, posts 24/7 hours; ranked #3 of 28.

  3. 3

    Most-reviewed: Roto-Rooter Plumbing & Drain - Lower RGV, 760 Google reviews at 4.8★, the most of 28 ranked after Roto-Rooter Plumbing & Drain Services - Upper RGV; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

28 Weslaco septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 17 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.5★ across 28 rated businesses.

Top 10 septic service companies in Weslaco at a glance

Top 10 septic service companies in Weslaco at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Drain Services - Upper RGV594.8★ (1,034)Edinburg, 10 mi away24/7Overall
2ST Sanitation575.0★ (31)McAllen, 12 mi awaySat · Sun—
3Roto-Rooter Plumbing & Drain - Lower RGV564.8★ (760)Harlingen, 18 mi away24/7Emergencies, Most reviews
4Caballero Septic Tanks563.3★ (12)WeslacoSat · Sun · Evenings—
5Richard's Septic Services565.0★ (29)La Feria, 11 mi away——
6M.A.Y Septic Service565.0★ (47)Mercedes, 7 mi away——
7F & J Septic Tanks and Services564.6★ (18)McAllen, 10 mi away24/7—
8Angel's Septic Tank Services564.5★ (32)Mercedes, 7 mi awaySat · Evenings—
9Ace's Septic Services LLC555.0★ (11)McAllen, 7 mi away——
10Zuniga's Septic Service545.0★ (37)Edinburg, 18 mi awaySat—

The 28 best septic service companies in Weslaco, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  2. #2 ST Sanitation

    Based in McAllen, 12 mi away

    57/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 31 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    View profile for ST Sanitation(956) 221-1962

  4. #4 Caballero Septic Tanks

    Based in Weslaco

    56/100CR Score

    Ranked #4 because of its Google rating and trade focus: 3.3★ from 12 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.3★ from 12 Google reviews
    Hours
    Mon–Sun 7 AM–8 PM
    Address
    100 Pleasantview Dr, Weslaco, TX 78596
    View profile for Caballero Septic Tanks(956) 968-7843

  5. #5 Richard's Septic Services

    Based in La Feria, 11 mi away

    56/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Septic system service”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 29 Google reviews
    Address
    29559 Kansas City Rd, La Feria, TX 78559
    View profile for Richard's Septic Services(956) 245-4918

  6. #6 M.A.Y Septic Service

    Based in Mercedes, 7 mi away

    56/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 47 Google reviews
    Hours
    Mon–Fri 7:30 AM–6 PM · Sat–Sun closed
    Address
    1904 Ash Ave, Mercedes, TX 78570
    View profile for M.A.Y Septic Service(956) 406-4851

  8. #8 Angel's Septic Tank Services

    Based in Mercedes, 7 mi away

    56/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.5★ from 32 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 32 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat 8 AM–1 PM · Sun closed
    Address
    2424 E Mile 14 N, Mercedes, TX 78570
    View profile for Angel's Septic Tank Services(956) 262-4145

  10. #10 Zuniga's Septic Service

    Based in Edinburg, 18 mi away

    54/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 37 Google reviews
    Hours
    Mon–Sat 6 AM–5 PM · Sun closed
    Address
    3024 N Juan St, Edinburg, TX 78541
    View profile for Zuniga's Septic Service(956) 381-8992

  11. #11 Lewis Septic Services

    Based in Harlingen, 17 mi away

    53/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Septic system service”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.9★ from 18 Google reviews
    Address
    Harlingen, TX 78552
    View profile for Lewis Septic Services(956) 423-5922

  13. #13 Garcia Septic Tank

    Based in McAllen, 19 mi away

    52/100CR Score

    Ranked #13 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.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    View profile for Garcia Septic Tank(956) 907-8833

  14. #14 Montemayor Septic Tanks

    Based in Edinburg, 16 mi away

    52/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
    Address
    204 Larry Twayne Way, Edinburg, TX 78541
    View profile for Montemayor Septic Tanks(956) 638-3927

  15. #15 LJH Services INC.

    Based in Edinburg, 11 mi away

    52/100CR Score

    Ranked #15 because of its Google rating and trade focus: 3.8★ from 19 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.8★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    5405 E Texas Rd, Edinburg, TX 78542
    View profile for LJH Services INC.(956) 381-5223

  16. #16 Valley septic service LLC

    Based in Edinburg, 13 mi away

    52/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.3★ from 10 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 10 Google reviews
    Hours
    Mon–Fri 7:30 AM–6 PM · Sat 8 AM–1 PM · Sun closed
    Address
    1507 N Alamo Rd, Edinburg, TX 78542
    View profile for Valley septic service LLC(956) 777-8542

  17. #17 Agarmar Logistics LLC

    Based in Edinburg, 23 mi away

    52/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Agarmar Logistics LLC(956) 325-2740

  18. #18 Septic Services By R & R

    Based in La Feria, 11 mi away

    51/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.1★ from 21 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.1★ from 21 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12967 Tio Cano Lake Cross Rd, La Feria, TX 78559
    View profile for Septic Services By R & R(956) 226-9468

  20. #20 Martin's Sewer & Drain Clean

    Based in San Benito, 21 mi away

    50/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    21928 Jim Bowie Blvd, San Benito, TX 78586
    View profile for Martin's Sewer & Drain Clean(956) 792-9372

  21. #21 B J's Septic Tank

    Based in San Benito, 24 mi away

    49/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 6 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 PM–12 AM · Sat 12 AM–5 PM · Sun closed
    Address
    30471 E Business 77, San Benito, TX 78586
    View profile for B J's Septic Tank(956) 399-5765

  23. #23 Always Here Septic

    Based in Alton, 23 mi away

    48/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Always Here Septic(956) 424-0436

  24. #24 JLR Septic Tanks

    Based in Palmview, 25 mi away

    48/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.0★ from 4 Google reviews
    Address
    672 W Palma Vista Dr, Palmview, TX 78572
    View profile for JLR Septic Tanks(956) 585-7379

  25. #25 Always Here Septic

    Based in McAllen, 21 mi away

    47/100CR Score

    Ranked #25 because of its Google rating and trade focus: 2.8★ from 9 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 2.8★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Always Here Septic(956) 330-8190

All 28 septic service companies

#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile.

septic service companies in Weslaco, ranks 26 to 28
RankBusinessCR ScoreGoogle ratingDistance
26Rosales Septic Tank Cleaning463.5★ (11)25 mi
27Always Here Septic452.6★ (5)18 mi
28Super G's Construction Inc413.0★ (4)19 mi

Also serving Weslaco

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.

Unranked septic service companies serving Weslaco
BusinessGoogle ratingDistance
AA5 Backhoe service5.0★ (2)7 mi
GBS Get Tanked1.0★ (1)22 mi
Griffin Industries Inc18 mi
M.A.Y Septic Service5.0★ (1)20 mi
Mata's Septic Tanks1.0★ (2)12 mi
Professional Clean19 mi
Rosales Septic Tank Cleaning20 mi

How we ranked Weslaco septic service companies

We scored 28 Weslaco 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Weslaco data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Weslaco: frequently asked questions

Who is the best septic service company in Weslaco?

By CR Score, the highest-ranked septic service company in Weslaco, TX is Roto-Rooter Plumbing & Drain Services - Upper RGV with a CR Score of 59/100. It has 4.8★ from 1,034 Google reviews. It is open 24/7. ST Sanitation (#2) and Roto-Rooter Plumbing & Drain - Lower RGV (#3) follow. We ranked 28 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Weslaco?

ContractorsRanked ranks 28 septic service companies serving Weslaco, TX. 1 of them is based in Weslaco; the rest serve it from nearby towns. Another 7 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Weslaco are open 24/7?

7 ranked septic service companies in Weslaco post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Drain Services - Upper RGV (#1), Roto-Rooter Plumbing & Drain - Lower RGV (#3) and F & J Septic Tanks and Services (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Weslaco work on weekends?

17 of 28 ranked septic service companies post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Drain Services - Upper RGV (#1), ST Sanitation (#2) and Roto-Rooter Plumbing & Drain - Lower RGV (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Weslaco septic service companies have?

The median Google rating among 28 rated septic service companies in Weslaco is 4.5★, with a median of 12 reviews. Roto-Rooter Plumbing & Drain Services - Upper RGV has the most, 1,034 reviews, and ranks #1. 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 Weslaco count in this ranking?

Yes, if they are within 25 mi of the Weslaco 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 Weslaco

  1. November 2026: CR Scores recalculated for 28 septic service companies serving Weslaco.

More septic service companies and Weslaco pages

Other trades in Weslaco