67/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 2,378 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in St. Charles, MD (2026)
124 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in St. Charles: Orkin, CR Score 67/100; 4.7★ from 2,378 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Green Pest Services, posts 24/7 hours; ranked #4 of 124.
- 5
Most-reviewed: Terminix, 2,469 Google reviews at 4.8★, the most of 124 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
124 St. Charles pest control companies are ranked here by CR Score, from ten published factors. 41 are open 24/7, 98 open Saturdays and 67 open Sundays, based on posted hours. The median Google rating is 4.9★ across 124 rated businesses.
Top 10 pest control companies in St. Charles at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 67 | 4.7★ (2,378) | Waldorf, 1 mi away | 24/7 | Overall |
| 2 | Frontline Pest and Termite of White Plains | 65 | 4.8★ (2,004) | Waldorf, 2 mi away | Sat · Sun · Evenings | — |
| 3 | Mike's Pest and Termite Control | 63 | 4.9★ (820) | Waldorf, 2 mi away | Sat | — |
| 4 | Green Pest Services | 63 | 4.9★ (2,353) | Arlington, 22 mi away | 24/7 | Emergencies |
| 5 | Terminix | 62 | 4.8★ (2,469) | Largo, 21 mi away | 24/7 | Most reviews |
| 6 | Better Termite & Pest Control | 62 | 4.9★ (1,783) | Alexandria, 16 mi away | Sat · Sun · Evenings | — |
| 7 | Lane's Termite/Pest Inc | 60 | 4.9★ (88) | Waldorf, 13 mi away | 24/7 | — |
| 8 | Sure Shot Pest Control | 60 | 5.0★ (187) | Springfield, 19 mi away | 24/7 | — |
| 9 | My Pest Pros | 59 | 4.9★ (172) | Dale City, 18 mi away | 24/7 | — |
| 10 | Pest Chase Termite and Pest Control Inc. | 59 | 5.0★ (238) | Alexandria, 16 mi away | Sat · Sun | — |
The 124 best pest control companies in St. Charles, 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 Waldorf, 2 mi away
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 2,004 Google reviews, listed on Google as “Pest control service”.
Based in Waldorf, 2 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 820 Google reviews, listed on Google as “Pest control service”.
Based in Arlington, 22 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 2,353 Google reviews, listed on Google as “Pest control service”.
#5 Terminix
Based in Largo, 21 mi away
62/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 2,469 Google reviews, the most in St. Charles.
Based in Alexandria, 16 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 1,783 Google reviews, listed on Google as “Pest control service”.
Based in Waldorf, 13 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “Pest control service”.
Based in Springfield, 19 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “Pest control service”.
#9 My Pest Pros
Based in Dale City, 18 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Pest control service”.
Based in Alexandria, 16 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 238 Google reviews, listed on Google as “Pest control service”.
Based in Bethesda, 16 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Pest control service”.
#12 American Pest
Based in Lanham, 24 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 767 Google reviews, listed on Google as “Pest control service”.
#13 Orkin
Based in Lanham, 24 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 1,718 Google reviews, listed on Google as “Pest control service”.
Based in Waldorf, 1 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Pest control service”.
Based in Springfield, 18 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 771 Google reviews, listed on Google as “Pest control service”.
Based in Bowie, 6 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 422 Google reviews, listed on Google as “Pest control service”.
#17 American Pest
Based in Bowie, 24 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 759 Google reviews, listed on Google as “Pest control service”.
Based in Largo, 21 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 515 Google reviews, listed on Google as “Pest control service”.
#19 American Pest
Based in Springfield, 21 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 658 Google reviews, listed on Google as “Pest control service”.
Based in Lanham, 25 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 862 Google reviews, listed on Google as “Pest control service”.
Based in Fort Washington, 10 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 79 Google reviews, listed on Google as “Pest control service”.
#22 Terminix
Based in Alexandria, 15 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Pest control service”.
#23 Bed Bug & Beyond
Based in Bethesda, 17 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Pest control service”.
Based in Bowie, 22 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “Pest control service”.
Based in Brandywine, 7 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 9 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 124 ranked pest control companies here; the rest are on their profiles.
Also serving St. Charles
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 |
|---|---|---|
| Ace Waldorf Pest Control | 5.0★ (1) | 3 mi |
| All Pikesville Insect Services | 5.0★ (1) | 22 mi |
| Atlantic P.D.Q. Pest Control | 5.0★ (1) | 21 mi |
| Bed Bug Exterminator Washington DC | 5.0★ (2) | 21 mi |
| Blades of Green | 1.0★ (2) | 25 mi |
| Bright Pest Control | 5.0★ (1) | 21 mi |
| CJI Pest Management | 5.0★ (1) | 21 mi |
| Danta Pest Control, LLC | 5 mi | |
| Eco Friendly Pest Control Services in Arlington | 5.0★ (2) | 21 mi |
| Nasjay pest control | 5.0★ (1) | 22 mi |
| Nest Pest Control | 5.0★ (1) | 25 mi |
| Organic Exterminator in Waldorf | 5.0★ (1) | 1 mi |
| Premier Burke Pest Control | 5.0★ (1) | 24 mi |
| Redwood Guard Pest Control | 3 mi | |
| Sierra Pest Services | 5.0★ (2) | 21 mi |
| Stonebridge Pest Defense Services | 6 mi | |
| Summit Environmental Solutions, Inc. | 2.0★ (2) | 14 mi |
| U.S. Lawns - Waldorf MD | In St. Charles | |
| Vexaro Pest Services | 6 mi | |
| Zentara Pest Control Service | 1 mi |
How we ranked St. Charles pest control companies
We scored 124 St. Charles 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 St. Charles 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 St. Charles: frequently asked questions
Who is the best pest control company in St. Charles?
By CR Score, the highest-ranked pest control company in St. Charles, MD is Orkin with a CR Score of 67/100. It has 4.7★ from 2,378 Google reviews. It is open 24/7. Frontline Pest and Termite of White Plains (#2) and Mike's Pest and Termite Control (#3) follow. We ranked 124 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in St. Charles?
ContractorsRanked ranks 124 pest control companies serving St. Charles, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in St. Charles are open 24/7?
41 ranked pest control companies in St. Charles post 24/7 hours. The highest-ranked are Orkin (#1), Green Pest Services (#4) and Terminix (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in St. Charles work on weekends?
98 of 124 ranked pest control companies post Saturday hours and 67 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Frontline Pest and Termite of White Plains (#2) and Mike's Pest and Termite Control (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do St. Charles pest control companies have?
The median Google rating among 124 rated pest control companies in St. Charles is 4.9★, with a median of 44 reviews. Terminix has the most, 2,469 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 St. Charles count in this ranking?
Yes, if they are within 25 mi of the St. Charles 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 St. Charles
- November 2026: CR Scores recalculated for 124 pest control companies serving St. Charles.
- November 2026: 2 duplicate listings merged.
More pest control companies and St. Charles pages
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