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Best Septic Service Companies in Troy, MO (2026)

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

The short answer

  1. 1

    Best overall in Troy: Mission Septic And Drain, CR Score 62/100; 5.0★ from 112 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Dc septic & drain, posts 24/7 hours; ranked #2 of 9.

  3. 4

    Most-reviewed: Superior Service, 2,219 Google reviews at 5.0★, the most of 9 ranked; ranked #4.

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

9 Troy septic service companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 6 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.4★ across 9 rated businesses.

Top 9 septic service companies in Troy at a glance

Top 9 septic service companies in Troy at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mission Septic And Drain625.0★ (112)O'Fallon, 8 mi away24/7Overall
2Dc septic & drain604.7★ (15)Troy24/7Emergencies
3B & J Septic574.2★ (18)Troy——
4Superior Service575.0★ (2,219)Dardenne Prairie, 18 mi awaySat · Sun · EveningsMost reviews
5Hillside Septic Service553.7★ (10)O'Fallon, 10 mi awaySat · Sun—
6A&M Septic and Excavating, LLC543.1★ (18)O'Fallon, 15 mi away24/7—
7DC Septic & Drain485.0★ (20)Bowling Green, 23 mi away——
8All American Pumping and Drain473.0★ (6)Bowling Green, 7 mi awaySat—
9M. Turpin Services, LLC464.4★ (28)Warrenton, 11 mi away——

The 9 best septic service companies in Troy, ranked

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

  1. Ranked #1 in Troy

    #1 Mission Septic And Drain

    Based in O'Fallon, 8 mi away

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 112 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Mission Septic And Drain(636) 970-9192

  2. #2 Dc septic & drain

    Based in Troy

    60/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Septic system service”.

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

    • 4.7★ from 15 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    31 Kniess Ct, Troy, MO 63379
    View profile for Dc septic & drain(636) 383-8167

  3. #3 B & J Septic

    Based in Troy

    57/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.2★ from 18 Google reviews, listed on Google as “Septic system service”.

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

    • 4.2★ from 18 Google reviews
    Address
    550 2nd St, Troy, MO 63379
    View profile for B & J Septic(636) 528-4087

  4. #4 Superior Service

    Based in Dardenne Prairie, 18 mi away

    57/100CR Score

    Ranked #4 because of its Google rating and review volume: 5.0★ from 2,219 Google reviews, the most in Troy.

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

    • 5.0★ from 2,219 Google reviews
    Hours
    Mon–Fri 7 AM–8:30 PM · Sat–Sun 8 AM–12 PM
    Address
    101 Stag Industrial Blvd, Lake St Louis, MO 63367
    View profile for Superior Service(636) 812-6645

  5. #5 Hillside Septic Service

    Based in O'Fallon, 10 mi away

    55/100CR Score

    Ranked #5 because of its Google rating and trade focus: 3.7★ from 10 Google reviews, listed on Google as “Septic system service”.

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

    • 3.7★ from 10 Google reviews
    Hours
    Mon–Sun 7 AM–5 PM
    Address
    447 S Lindsey Rd, Old Monroe, MO 63369
    View profile for Hillside Septic Service(636) 668-8338

  7. #7 DC Septic & Drain

    Based in Bowling Green, 23 mi away

    48/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Plumber”.

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

    • 5.0★ from 20 Google reviews
    View profile for DC Septic & Drain(573) 419-2949

  9. #9 M. Turpin Services, LLC

    Based in Warrenton, 11 mi away

    46/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.4★ from 28 Google reviews, listed on Google as “Contractor”.

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

    • 4.4★ from 28 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    29053 N Stringtown Rd, Foristell, MO 63348
    View profile for M. Turpin Services, LLC(636) 262-6230

How we ranked Troy septic service companies

We scored 9 Troy 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 Troy 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 Troy: frequently asked questions

Who is the best septic service company in Troy?

By CR Score, the highest-ranked septic service company in Troy, MO is Mission Septic And Drain with a CR Score of 62/100. It has 5.0★ from 112 Google reviews. It is open 24/7. Dc septic & drain (#2) and B & J Septic (#3) follow. We ranked 9 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Troy?

ContractorsRanked ranks 9 septic service companies serving Troy, MO. 2 of them are based in Troy; the rest serve it from nearby towns. Counts are as of November 2026.

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

3 ranked septic service companies in Troy post 24/7 hours. The highest-ranked are Mission Septic And Drain (#1), Dc septic & drain (#2) and A&M Septic and Excavating, LLC (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Troy work on weekends?

6 of 9 ranked septic service companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Mission Septic And Drain (#1), Dc septic & drain (#2) and Superior Service (#4). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Troy septic service companies have?

The median Google rating among 9 rated septic service companies in Troy is 4.4★, with a median of 18 reviews. Superior Service has the most, 2,219 reviews, and ranks #4. 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 Troy count in this ranking?

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

  1. November 2026: CR Scores recalculated for 9 septic service companies serving Troy.

More septic service companies and Troy pages

Other trades in Troy