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Best Pest Control Companies in Maryland Heights, MO (2026)

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

The short answer

  1. 1

    Best overall in Maryland Heights: Rottler Pest Solutions, CR Score 65/100; 4.9★ from 1,656 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 132.

  3. 5

    Most-reviewed: Aptive Pest Control, 6,236 Google reviews at 4.6★, the most of 132 ranked; ranked #5.

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

132 Maryland Heights pest control companies are ranked here by CR Score, from ten published factors. 24 are open 24/7, 86 open Saturdays and 43 open Sundays, based on posted hours. The median Google rating is 4.9★ across 132 rated businesses.

Most of this list also appears on the Pest control companies in University City ranking. See Pest control companies in University City

Top 10 pest control companies in Maryland Heights at a glance

Top 10 pest control companies in Maryland Heights at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Rottler Pest Solutions654.9★ (1,656)St. Louis, 5 mi away24/7Overall
2Orkin644.8★ (4,133)Weldon Spring, 13 mi away24/7Emergencies
3Bug Out634.8★ (2,015)St. Louis, 12 mi away24/7—
4Rottler Pest Solutions634.9★ (1,148)Chesterfield, 11 mi away24/7—
5Aptive Pest Control634.6★ (6,236)St. Louis, 1 mi awaySat · EveningsMost reviews
6Rottler Pest Solutions634.9★ (1,742)St. Louis, 14 mi away24/7—
7STL Pest Control624.9★ (1,852)St. Louis, 10 mi awaySat · Sun · Evenings—
8EcoShield Pest Solutions624.7★ (1,936)Maryland HeightsSat · Evenings—
9Rottler Pest Solutions624.6★ (511)St. Louis, 5 mi away24/7—
10Orkin614.6★ (1,835)St. Louis, 12 mi away24/7—

The 132 best pest control companies in Maryland Heights, 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 Maryland Heights

    Based in St. Louis, 5 mi away

    65/100CR Score

    Ranked #1 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
  2. Based in Weldon Spring, 13 mi away

    64/100CR Score

    Ranked #2 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
  3. Based in St. Louis, 12 mi away

    63/100CR Score

    Ranked #3 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
  4. Based in Chesterfield, 11 mi away

    63/100CR Score

    Ranked #4 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
  5. Based in St. Louis, 1 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.6★ from 6,236 Google reviews, the most in Maryland Heights.

    • 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
  6. Based in St. Louis, 10 mi away

    62/100CR Score

    Ranked #7 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
  7. Based in Maryland Heights

    62/100CR Score

    Ranked #8 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
  8. #10 Orkin

    Based in St. Louis, 12 mi away

    61/100CR Score

    Ranked #10 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
  9. Based in Bridgeton, 3 mi away

    61/100CR Score

    Ranked #11 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
  10. Based in St. Louis, 12 mi away

    61/100CR Score

    Ranked #12 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
  11. Based in Saint Charles, 4 mi away

    60/100CR Score

    Ranked #13 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
  12. Based in Olivette, 4 mi away

    60/100CR Score

    Ranked #14 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
  13. Based in Clayton, 7 mi away

    59/100CR Score

    Ranked #20 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
  14. Based in O'Fallon, 10 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 75 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days

How we ranked Maryland Heights pest control companies

We scored 132 Maryland Heights 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 Maryland Heights 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 Maryland Heights: frequently asked questions

Who is the best pest control company in Maryland Heights?

By CR Score, the highest-ranked pest control company in Maryland Heights, MO is Rottler Pest Solutions with a CR Score of 65/100. It has 4.9★ from 1,656 Google reviews. It is open 24/7. Orkin (#2) and Bug Out (#3) follow. We ranked 132 pest control companies on ten factors, last updated November 3, 2026.

How many pest control companies are there in Maryland Heights?

ContractorsRanked ranks 132 pest control companies serving Maryland Heights, MO. 1 of them is based in Maryland Heights; the rest serve it from nearby towns. Counts are as of November 2026.

Which pest control companies in Maryland Heights are open 24/7?

24 ranked pest control companies in Maryland Heights post 24/7 hours. The highest-ranked are Rottler Pest Solutions (#1), Orkin (#2) and Bug Out (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pest control companies in Maryland Heights work on weekends?

86 of 132 ranked pest control companies post Saturday hours and 43 post Sunday hours. The highest-ranked open Saturdays are Rottler Pest Solutions (#1), Orkin (#2) and Bug Out (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Maryland Heights pest control companies have?

The median Google rating among 132 rated pest control companies in Maryland Heights is 4.9★, with a median of 45 reviews. Aptive Pest Control has the most, 6,236 reviews, and ranks #5. 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 Maryland Heights count in this ranking?

Yes, if they are within 25 mi of the Maryland Heights 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 Maryland Heights

  1. November 2026: CR Scores recalculated for 132 pest control companies serving Maryland Heights.

More pest control companies and Maryland Heights pages

Other trades in Maryland Heights