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ContractorsRanked

Best Septic Service Companies in Sherman, TX (2026)

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

The short answer

  1. 1

    Best overall in Sherman: Underwood Plumbing and Septic, CR Score 64/100; 4.9★ from 114 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): D & D Septic Tank Service, posts 24/7 hours; ranked #3 of 18.

  3. 3

    Most-reviewed: D & D Septic Tank Service, 89 Google reviews at 4.7★, the most of 18 ranked after Underwood Plumbing and Septic; ranked #3.

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

18 Sherman septic service companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 6 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.7★ across 18 rated businesses.

Top 10 septic service companies in Sherman at a glance

Top 10 septic service companies in Sherman at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Underwood Plumbing and Septic644.9★ (114)Sherman24/7Overall
2Slaughter Septic625.0★ (74)Sherman——
3D & D Septic Tank Service614.7★ (89)Durant, 14 mi away24/7Emergencies, Most reviews
4Jaresh Backhoe Inc604.5★ (66)Sherman——
5Texoma Vacuum Trucks604.7★ (47)Sherman——
6Cantex Septic Pumping605.0★ (49)Edmonton, 25 mi away24/7—
7Advantage Septic Solutions594.3★ (27)ShermanSat—
8Slaughter Septic Pumping574.1★ (9)ShermanSat—
9First Choice Septic Service, LLC574.7★ (14)Sherman——
10Nortex Septic Service565.0★ (49)Anna, 20 mi away——

The 18 best septic service companies in Sherman, 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.

  2. #2 Slaughter Septic

    Based in Sherman

    62/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 74 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2959 Luella Rd, Sherman, TX 75090
    View profile for Slaughter Septic(903) 815-8549

  4. #4 Jaresh Backhoe Inc

    Based in Sherman

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.5★ from 66 Google reviews, listed on Google as “Septic system service”.

    • 4.5★ from 66 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    481 O'Hanlon Rd, Whitesboro, TX 76273
    View profile for Jaresh Backhoe Inc(903) 564-5063

  10. #10 Nortex Septic Service

    Based in Anna, 20 mi away

    56/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 49 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    511 N Church St, Anna, TX 75409
    View profile for Nortex Septic Service(469) 307-3787

  11. #11 CFM Septic LLC

    Based in Gainesville, 11 mi away

    55/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–2 PM · Sun closed
    View profile for CFM Septic LLC(903) 818-6409

  15. #15 Aerobics Unlimited

    Based in Gainesville, 19 mi away

    51/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.1★ from 13 Google reviews, listed on Google as “Septic system service”.

    • 4.1★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    7680 US-377, Collinsville, TX 76233
    View profile for Aerobics Unlimited(903) 429-3237

  16. #16 Pat's Pump Service

    Based in Bonham, 25 mi away

    51/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Septic system service”.

    • 4.6★ from 18 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    110 W 1st St, Bonham, TX 75418
    View profile for Pat's Pump Service(903) 583-3986

  17. #17 Arms Septic Services

    Based in Anna, 21 mi away

    51/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Septic system service”.

    • 4.6★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    112 Houston St, Westminster, TX 75485
    View profile for Arms Septic Services(972) 924-2970

Also serving Sherman

5 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 Sherman
BusinessGoogle ratingDistance
AAA Septic ServiceIn Sherman
Advantage Septic Repair & Cleaning5.0★ (1)18 mi
Morrison Septic Services5.0★ (2)In Sherman
Red River Septic Services4 mi
Supreme Septic L.L.C.5.0★ (2)18 mi

How we ranked Sherman septic service companies

We scored 18 Sherman 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 Sherman 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 Sherman: frequently asked questions

Who is the best septic service company in Sherman?

By CR Score, the highest-ranked septic service company in Sherman, TX is Underwood Plumbing and Septic with a CR Score of 64/100. It has 4.9★ from 114 Google reviews. It is open 24/7. Slaughter Septic (#2) and D & D Septic Tank Service (#3) follow. We ranked 18 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Sherman?

ContractorsRanked ranks 18 septic service companies serving Sherman, TX. 8 of them are based in Sherman; the rest serve it from nearby towns. Another 5 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

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

3 ranked septic service companies in Sherman post 24/7 hours. The highest-ranked are Underwood Plumbing and Septic (#1), D & D Septic Tank Service (#3) and Cantex Septic Pumping (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Sherman work on weekends?

6 of 18 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Underwood Plumbing and Septic (#1), D & D Septic Tank Service (#3) and Cantex Septic Pumping (#6). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Sherman septic service companies have?

The median Google rating among 18 rated septic service companies in Sherman is 4.7★, with a median of 28 reviews. Underwood Plumbing and Septic has the most, 114 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 Sherman count in this ranking?

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

  1. November 2026: CR Scores recalculated for 18 septic service companies serving Sherman.
  2. November 2026: 1 duplicate listing merged.

More septic service companies and Sherman pages

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