65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 4,133 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Lake Saint Louis, MO (2026)
91 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lake Saint Louis: Orkin, CR Score 65/100; 4.8★ from 4,133 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Rottler Pest Solutions, posts 24/7 hours; ranked #2 of 91.
- 11
Most-reviewed: Aptive Pest Control, 6,236 Google reviews at 4.6★, the most of 91 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
91 Lake Saint Louis pest control companies are ranked here by CR Score, from ten published factors. 15 are open 24/7, 57 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.9★ across 91 rated businesses.
Top 10 pest control companies in Lake Saint Louis at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 65 | 4.8★ (4,133) | Weldon Spring, 8 mi away | 24/7 | Overall |
| 2 | Rottler Pest Solutions | 64 | 4.9★ (1,199) | Wentzville, 5 mi away | 24/7 | Emergencies |
| 3 | Mosquito Squad of West St. Louis County | 64 | 4.9★ (369) | Lake Saint Louis | 24/7 | — |
| 4 | Rottler Pest Solutions | 62 | 4.9★ (1,148) | Chesterfield, 13 mi away | 24/7 | — |
| 5 | Amco Ranger Termite & Pest Solutions | 61 | 4.9★ (1,364) | O'Fallon, 8 mi away | Sat | — |
| 6 | Rottler Pest Solutions | 60 | 4.9★ (1,656) | St. Louis, 25 mi away | 24/7 | — |
| 7 | Bug Out | 60 | 4.8★ (2,015) | St. Louis, 25 mi away | 24/7 | — |
| 8 | Salvo's Pest & Termite Control, Inc | 59 | 5.0★ (235) | O'Fallon, 6 mi away | Sat | — |
| 9 | MAC Pest Management | 59 | 5.0★ (93) | Troy, 13 mi away | 24/7 | — |
| 10 | Pure Pest | 58 | 4.9★ (75) | O'Fallon, 12 mi away | 24/7 | — |
The 91 best pest control companies in Lake Saint Louis, 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.
Based in Wentzville, 5 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 1,199 Google reviews, listed on Google as “Pest control service”.
Based in Lake Saint Louis
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 369 Google reviews, listed on Google as “Pest control service”.
Based in Chesterfield, 13 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,148 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 8 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 1,364 Google reviews, listed on Google as “Pest control service”.
Based in St. Louis, 25 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 1,656 Google reviews, listed on Google as “Pest control service”.
#7 Bug Out
Based in St. Louis, 25 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 2,015 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 6 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 235 Google reviews, listed on Google as “Pest control service”.
Based in Troy, 13 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Pest control service”.
#10 Pure Pest
Based in O'Fallon, 12 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Pest control service”.
Based in St. Louis, 20 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 4.6★ from 6,236 Google reviews, the most in Lake Saint Louis.
#12 Spring Green
Based in O'Fallon, 8 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 541 Google reviews, listed on Google as “Pest control service”.
Based in Saint Charles, 9 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 684 Google reviews, listed on Google as “Pest control service”.
Based in Saint Peters, 13 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 578 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 5 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Pest control service”.
Based in Bridgeton, 19 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 3,165 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 4 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 1 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 5 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 197 Google reviews, listed on Google as “Pest control service”.
Based in Saint Charles, 11 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 419 Google reviews, listed on Google as “Pest control service”.
Based in Maryland Heights, 21 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 1,936 Google reviews, listed on Google as “Pest control service”.
Based in Wildwood, 16 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 1 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Pest control service”.
Based in St. Louis, 25 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 511 Google reviews, listed on Google as “Pest control service”.
Based in O'Fallon, 5 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Pest control service”.
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 91 ranked pest control companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | All Solutions Pest Control | 56 | 5.0★ (198) | 8 mi |
| 27 | Spring Green | 56 | 4.9★ (570) | 21 mi |
| 28 | Vogelsang Pest Management | 56 | 5.0★ (118) | 6 mi |
| 29 | Bug Out | 56 | 5.0★ (185) | 6 mi |
| 30 | Newt’s Pest Control | 56 | 5.0★ (303) | 15 mi |
| 31 | Aptive Pest Control | 55 | 4.9★ (352) | 22 mi |
| 32 | Wildlife Control Solutions, Inc. | 55 | 4.2★ (19) | 4 mi |
| 33 | Hawx Pest Control | 55 | 4.4★ (3,435) | 24 mi |
| 34 | The Xterminator LLC | 55 | 5.0★ (121) | 10 mi |
| 35 | Evo Pest Control | 55 | 4.8★ (170) | 18 mi |
| 36 | Wildlife Getters | 55 | 5.0★ (35) | 11 mi |
| 37 | O'Fallon Pest Control | 55 | 4.2★ (10) | 5 mi |
| 38 | Around the Clock Pest Control | 55 | 4.9★ (69) | 13 mi |
| 39 | AJS Wildlife Solutions | 54 | 4.8★ (111) | 25 mi |
| 40 | Buckingham Pest Control | 54 | 5.0★ (937) | 13 mi |
| 41 | Lawn Doctor of St. Charles | 54 | 4.5★ (224) | 8 mi |
| 42 | Arch Mole Trapping | 54 | 5.0★ (51) | 16 mi |
| 43 | All Solutions Pest Control | 54 | 5.0★ (159) | 18 mi |
| 44 | Feature Pest & Termite | 54 | 4.7★ (1,007) | 22 mi |
| 45 | Pest Shield | 53 | 4.9★ (62) | 11 mi |
| 46 | Pezz Pest Control | 53 | 4.7★ (46) | 6 mi |
| 47 | Gateway Thermal Solutions, LLC | 53 | 5.0★ (10) | 14 mi |
| 48 | Arch Pest Services | 53 | 5.0★ (12) | 9 mi |
| 49 | Zero Pest | 53 | 5.0★ (143) | 21 mi |
| 50 | Urban Crawl Pest Solutions | 53 | 5.0★ (14) | 5 mi |
Also serving Lake Saint Louis
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.
| Business | Google rating | Distance |
|---|---|---|
| Amco Ranger Termite and Pest Solutions | 14 mi | |
| Archwest Termite Control Co | 5.0★ (2) | 16 mi |
| Bay's Termite & Pest Control | 5.0★ (1) | 5 mi |
| Bed Bug St Louis provides expert, family-safe bed bug removal | 5.0★ (1) | 21 mi |
| Diamond Edge Outdoor Management | 20 mi | |
| Drysdale Termite & Pest | 5.0★ (2) | 12 mi |
| Eco Friendly Pest Control Services in O'Fallon | 5.0★ (2) | 5 mi |
| Eco Friendly Pest Control Services in St. Charles | 5.0★ (1) | 17 mi |
| Eddie Pest Control Solutions | 5.0★ (1) | 22 mi |
| Freedom Pest Control | 5.0★ (1) | 8 mi |
| Local Pest Control Services in St. Peters | 5.0★ (2) | 9 mi |
| Midwestern Termite & Pest | 3.0★ (2) | 15 mi |
| Pest Assassin | 24 mi | |
| Peters Pest Control Solutions | 5.0★ (2) | 11 mi |
| Pezz Pest Control Wentzville | 5.0★ (1) | 9 mi |
| Premier Pest Management, LLC | 9 mi | |
| Rays Pest Control | 15 mi | |
| STL Mole Hunt | 23 mi | |
| STL Pest Control | 9 mi | |
| Wildlife Pest Removal St Louis | 5.0★ (2) | 22 mi |
How we ranked Lake Saint Louis pest control companies
We scored 91 Lake Saint Louis 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.
| Factor | Weight | Computed from | In Lake Saint Louis data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Pest control companies in Lake Saint Louis: frequently asked questions
Who is the best pest control company in Lake Saint Louis?
By CR Score, the highest-ranked pest control company in Lake Saint Louis, MO is Orkin with a CR Score of 65/100. It has 4.8★ from 4,133 Google reviews. It is open 24/7. Rottler Pest Solutions (#2) and Mosquito Squad of West St. Louis County (#3) follow. We ranked 91 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Lake Saint Louis?
ContractorsRanked ranks 91 pest control companies serving Lake Saint Louis, MO. 1 of them is based in Lake Saint Louis; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Lake Saint Louis are open 24/7?
15 ranked pest control companies in Lake Saint Louis post 24/7 hours. The highest-ranked are Orkin (#1), Rottler Pest Solutions (#2) and Mosquito Squad of West St. Louis County (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Lake Saint Louis work on weekends?
57 of 91 ranked pest control companies post Saturday hours and 23 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Rottler Pest Solutions (#2) and Mosquito Squad of West St. Louis County (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Lake Saint Louis pest control companies have?
The median Google rating among 91 rated pest control companies in Lake Saint Louis is 4.9★, with a median of 67 reviews. Aptive Pest Control has the most, 6,236 reviews, and ranks #11. 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 Lake Saint Louis count in this ranking?
Yes, if they are within 25 mi of the Lake Saint Louis 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 Lake Saint Louis
- November 2026: CR Scores recalculated for 91 pest control companies serving Lake Saint Louis.
More pest control companies and Lake Saint Louis pages
Pest control companies near Lake Saint Louis
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