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Best Pest Control Companies in Mehlville, MO (2026)

111 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Mehlville: Rottler Pest Solutions, CR Score 65/100; 4.9★ from 1,742 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Bug Out, posts 24/7 hours; ranked #2 of 111.

  3. 13

    Most-reviewed: Aptive Pest Control, 6,236 Google reviews at 4.6★, the most of 111 ranked; ranked #13.

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

111 Mehlville pest control companies are ranked here by CR Score, from ten published factors. 21 are open 24/7, 74 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 4.9★ across 111 rated businesses.

Top 10 pest control companies in Mehlville at a glance

Top 10 pest control companies in Mehlville at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Rottler Pest Solutions654.9★ (1,742)St. Louis, 6 mi away24/7Overall
2Bug Out644.8★ (2,015)St. Louis, 8 mi away24/7Emergencies
3Teacher's Spraying Service645.0★ (630)St. Louis, 1 mi awaySat · Sun—
4STL Pest Control634.9★ (1,852)St. Louis, 7 mi awaySat · Sun · Evenings—
5Orkin634.6★ (1,835)St. Louis, 7 mi away24/7—
6Rottler Pest Solutions634.9★ (1,656)St. Louis, 14 mi away24/7—
7STL Pest Control634.9★ (1,244)St. Louis, 7 mi awaySat · Sun · Evenings—
8Holper's Pest & Animal Solutions STL624.9★ (2,085)St. Louis, 3 mi awaySat—
92 Nice Guys Termite & Pest Control614.9★ (275)St. Louis, 9 mi away24/7—
10Orkin614.8★ (4,133)Weldon Spring, 24 mi away24/7—

The 111 best pest control companies in Mehlville, 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.

  1. Ranked #1 in Mehlville

    Based in St. Louis, 6 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,742 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 1,742 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    375 S Old Hwy 141, Fenton, MO 63026
  2. Based in St. Louis, 8 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,015 Google reviews, listed on Google as “Pest control service”.

    • 4.8★ from 2,015 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1780 Gilsinn Ln, Fenton, MO 63026
  3. Based in St. Louis, 7 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,852 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 1,852 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 9 AM–3 PM
    Address
    2525 Hampton Ave, St. Louis, MO 63139
  4. Based in St. Louis, 7 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.6★ from 1,835 Google reviews, listed on Google as “Pest control service”.

    • 4.6★ from 1,835 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1528 Fenpark Dr, Fenton, MO 63026
  5. Based in St. Louis, 14 mi away

    63/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,656 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 1,656 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8625 St Charles Rock Rd, St. Louis, MO 63114
  6. Based in St. Louis, 7 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,244 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 1,244 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 9 AM–3 PM
    Address
    500 Rudder Rd, Fenton, MO 63026
  7. #10 Orkin

    Based in Weldon Spring, 24 mi away

    61/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 4,133 Google reviews, listed on Google as “Pest control service”.

    • 4.8★ from 4,133 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    855 Westwood Industrial Park Dr, Weldon Spring, MO 63304
  8. Based in Chesterfield, 19 mi away

    61/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,148 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 1,148 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    227 Chesterfield Industrial Blvd, Chesterfield, MO 63005
  9. Based in Fairview Heights, 19 mi away

    60/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 733 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 733 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5609 N Illinois St, Fairview Heights, IL 62208
  10. Based in St. Louis, 15 mi away

    59/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.6★ from 6,236 Google reviews, the most in Mehlville.

    • 4.6★ from 6,236 Google reviews
    Hours
    Mon–Fri 6 AM–8 PM · Sat 7 AM–5 PM · Sun closed
    Address
    2347 Weldon Pkwy, St. Louis, MO 63146
  11. Based in Clayton, 10 mi away

    59/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 302 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 302 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat 8 AM–12 PM · Sun closed
    Address
    7733 Forsyth Blvd Ste 1149, Clayton, MO 63105
  12. Based in Maryland Heights, 15 mi away

    58/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.7★ from 1,936 Google reviews, listed on Google as “Pest control service”.

    • 4.7★ from 1,936 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 9 AM–6 PM · Sun closed
    Address
    11475 Schenk Dr, Maryland Heights, MO 63043
  13. Based in Saint Charles, 12 mi away

    58/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 570 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 570 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–3 PM · Sun closed
  14. Based in Olivette, 12 mi away

    58/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.4★ from 3,435 Google reviews, listed on Google as “Pest control service”.

    • 4.4★ from 3,435 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 8 AM–2 PM · Sun closed
    Address
    9633 Dielman Rock Island, Industrial Dr, Olivette, MO 63132
  15. Based in Bridgeton, 18 mi away

    58/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.6★ from 3,165 Google reviews, listed on Google as “Pest control service”.

    • 4.6★ from 3,165 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 7 AM–4 PM · Sun closed
    Address
    3753 Pennridge Dr, Bridgeton, MO 63044

Pest control 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 111 ranked pest control companies here; the rest are on their profiles.

pest control companies in Mehlville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26PestShield574.8★ (399)6 mi
27Amco Ranger Termite & Pest Solutions574.9★ (1,364)24 mi
28AJS Wildlife Solutions574.8★ (111)14 mi
29Mo's Pest Control574.8★ (24)11 mi
30Heartland Pest and Termite Control565.0★ (45)18 mi
31Pure Pest564.9★ (75)20 mi
32STL Exterminating564.9★ (50)11 mi
33A1 St Louis Bed Bug Exterminator564.9★ (27)8 mi
34Rose Extermination564.8★ (90)1 mi
35Accurate Mole Removal LLC564.8★ (47)11 mi
36Gladiator Pest Control565.0★ (71)10 mi
37Feature Pest & Termite564.7★ (1,007)13 mi
38Mantis Pest Control of St. Louis565.0★ (56)7 mi
3924-7 Animal & Pest Control564.0★ (26)8 mi
40Pointe Pest Control - Saint Peters564.8★ (578)21 mi
41St. Louis Pest Control554.3★ (128)11 mi
42Evo Pest Control554.8★ (170)16 mi
43Zero Pest555.0★ (143)13 mi
44The Bugman Budget Pricing544.9★ (8)7 mi
45Fisher Pest Control545.0★ (9)2 mi
46McCarthy Pest & Termite Control545.0★ (419)22 mi
47Spring Green544.7★ (541)24 mi
48All Solutions Pest Control545.0★ (159)16 mi
49All Solutions Pest Control544.9★ (684)24 mi
50General Spraying Service Inc545.0★ (8)3 mi

Also serving Mehlville

20 more pest control companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

How we ranked Mehlville pest control companies

We scored 111 Mehlville pest control 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 Mehlville 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

Pest control companies in Mehlville: frequently asked questions

Who is the best pest control company in Mehlville?

By CR Score, the highest-ranked pest control company in Mehlville, MO is Rottler Pest Solutions with a CR Score of 65/100. It has 4.9★ from 1,742 Google reviews. It is open 24/7. Bug Out (#2) and Teacher's Spraying Service (#3) follow. We ranked 111 pest control companies on ten factors, last updated November 3, 2026.

How many pest control companies are there in Mehlville?

ContractorsRanked ranks 111 pest control companies serving Mehlville, MO. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which pest control companies in Mehlville are open 24/7?

21 ranked pest control companies in Mehlville post 24/7 hours. The highest-ranked are Rottler Pest Solutions (#1), Bug Out (#2) and Orkin (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pest control companies in Mehlville work on weekends?

74 of 111 ranked pest control companies post Saturday hours and 37 post Sunday hours. The highest-ranked open Saturdays are Rottler Pest Solutions (#1), Bug Out (#2) and Teacher's Spraying Service (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Mehlville pest control companies have?

The median Google rating among 111 rated pest control companies in Mehlville is 4.9★, with a median of 50 reviews. Aptive Pest Control has the most, 6,236 reviews, and ranks #13. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank pest control companies?

Each pest control 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 pest control companies outside Mehlville count in this ranking?

Yes, if they are within 25 mi of the Mehlville city center, our service radius for pest control 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 pest control 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 Mehlville

  1. November 2026: CR Scores recalculated for 111 pest control companies serving Mehlville.

More pest control companies and Mehlville pages

Other trades in Mehlville