62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 252 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Monrovia, CA (2026)
496 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Monrovia: CURA Termite & Pest Control - West Covina, CR Score 62/100; 5.0★ from 252 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Terminix, posts 24/7 hours; ranked #2 of 496.
- 30
Most-reviewed: Aptive Pest Control, 7,199 Google reviews at 4.7★, the most of 496 ranked; ranked #30.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
496 Monrovia pest control companies are ranked here by CR Score, from ten published factors. 130 are open 24/7, 343 open Saturdays and 199 open Sundays, based on posted hours. The median Google rating is 4.9★ across 496 rated businesses.
Top 10 pest control companies in Monrovia at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CURA Termite & Pest Control - West Covina | 62 | 5.0★ (252) | West Covina, 7 mi away | 24/7 | Overall |
| 2 | Terminix | 62 | 4.7★ (2,287) | Santa Fe Springs, 15 mi away | 24/7 | Emergencies |
| 3 | Orkin | 61 | 4.8★ (3,213) | Anaheim, 21 mi away | 24/7 | — |
| 4 | Dewey Pest & Termite Control | 61 | 4.7★ (228) | Pasadena, 5 mi away | 24/7 | — |
| 5 | Orkin | 61 | 4.8★ (387) | San Dimas, 12 mi away | 24/7 | — |
| 6 | Orkin | 60 | 4.7★ (1,367) | Claremont, 17 mi away | 24/7 | — |
| 7 | Orkin | 60 | 4.7★ (2,158) | Los Angeles, 20 mi away | 24/7 | — |
| 8 | Orkin | 60 | 4.9★ (50) | Baldwin Park, 3 mi away | 24/7 | — |
| 9 | Dewey Pest & Termite Control | 60 | 4.7★ (135) | Baldwin Park, 6 mi away | 24/7 | — |
| 10 | Terminix | 60 | 4.7★ (159) | South El Monte, 8 mi away | 24/7 | — |
The 496 best pest control companies in Monrovia, 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.
#2 Terminix
Based in Santa Fe Springs, 15 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 2,287 Google reviews, listed on Google as “Pest control service”.
#3 Orkin
Based in Anaheim, 21 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 3,213 Google reviews, listed on Google as “Pest control service”.
Based in Pasadena, 5 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 228 Google reviews, listed on Google as “Pest control service”.
#5 Orkin
Based in San Dimas, 12 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 387 Google reviews, listed on Google as “Pest control service”.
#6 Orkin
Based in Claremont, 17 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 1,367 Google reviews, listed on Google as “Pest control service”.
#7 Orkin
Based in Los Angeles, 20 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 2,158 Google reviews, listed on Google as “Pest control service”.
#8 Orkin
Based in Baldwin Park, 3 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Pest control service”.
Based in Baldwin Park, 6 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 135 Google reviews, listed on Google as “Pest control service”.
#10 Terminix
Based in South El Monte, 8 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 159 Google reviews, listed on Google as “Pest control service”.
Based in Pasadena, 8 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 494 Google reviews, listed on Google as “Pest control service”.
#12 Orkin
Based in Commerce, 14 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 299 Google reviews, listed on Google as “Pest control service”.
Based in Monrovia
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Pest control service”.
Based in Glendale, 13 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 161 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 12 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 129 Google reviews, listed on Google as “Pest control service”.
#16 Orkin
Based in Brea, 16 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 306 Google reviews, listed on Google as “Pest control service”.
Based in Anaheim, 22 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 562 Google reviews, listed on Google as “Pest control service”.
Based in Pasadena, 8 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 148 Google reviews, listed on Google as “Pest control service”.
Based in Los Alamitos, 24 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 4,764 Google reviews, listed on Google as “Pest control service”.
#20 Orkin
Based in Anaheim, 22 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 460 Google reviews, listed on Google as “Pest control service”.
#21 Terminix
Based in Anaheim, 22 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 389 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 8 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “Pest control service”.
#23 Orkin
Based in Gardena, 25 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 528 Google reviews, listed on Google as “Pest control service”.
#24 Lit trappers
Based in West Covina, 9 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Pest control service”.
Based in Chino, 21 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 596 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 496 ranked pest control companies here; the rest are on their profiles.
Also serving Monrovia
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 |
|---|---|---|
| AmeriCal Termite Co. | 5.0★ (2) | 14 mi |
| Apex Shield Exterminators | 4.5★ (2) | 15 mi |
| B & S Pest Control Corporation Claremont CA | 5.0★ (2) | 17 mi |
| Economy Termite Inspections | 1.5★ (2) | 11 mi |
| EZ 911 | 5.0★ (2) | 16 mi |
| family bees removal has 3 same names | 5.0★ (2) | 6 mi |
| Fumigacion actiba | 5.0★ (2) | 16 mi |
| Hirst gopher control | 5.0★ (2) | 9 mi |
| Lady Bugs Termite & Pest Control | 5.0★ (2) | 15 mi |
| Mercury Termite & Pest Control | 3.0★ (2) | 9 mi |
| Montebello Pest Control | 5.0★ (2) | 11 mi |
| Montrose Pest Control | 5.0★ (2) | 13 mi |
| Morgan Termite Control | 5.0★ (2) | 8 mi |
| Nexa Guard Pest Services | 4.5★ (2) | 16 mi |
| OC Bug Company | 5.0★ (2) | 15 mi |
| Pastene Pest Control | 4.0★ (2) | 11 mi |
| Pest Commander Pest Control | 5.0★ (2) | 8 mi |
| Socal Rodent Exterminator & Control | 5.0★ (2) | 12 mi |
| Survival Pest Control | 5.0★ (2) | 5 mi |
| Veratech Pest Solutions | 5.0★ (2) | 13 mi |
How we ranked Monrovia pest control companies
We scored 496 Monrovia 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 Monrovia 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 Monrovia: frequently asked questions
Who is the best pest control company in Monrovia?
By CR Score, the highest-ranked pest control company in Monrovia, CA is CURA Termite & Pest Control - West Covina with a CR Score of 62/100. It has 5.0★ from 252 Google reviews. It is open 24/7. Terminix (#2) and Orkin (#3) follow. We ranked 496 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Monrovia?
ContractorsRanked ranks 496 pest control companies serving Monrovia, CA. 1 of them is based in Monrovia; 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 Monrovia are open 24/7?
130 ranked pest control companies in Monrovia post 24/7 hours. The highest-ranked are CURA Termite & Pest Control - West Covina (#1), Terminix (#2) and Orkin (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Monrovia work on weekends?
343 of 496 ranked pest control companies post Saturday hours and 199 post Sunday hours. The highest-ranked open Saturdays are CURA Termite & Pest Control - West Covina (#1), Terminix (#2) and Orkin (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Monrovia pest control companies have?
The median Google rating among 496 rated pest control companies in Monrovia is 4.9★, with a median of 15 reviews. Aptive Pest Control has the most, 7,199 reviews, and ranks #30. 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 Monrovia count in this ranking?
Yes, if they are within 25 mi of the Monrovia 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 Monrovia
- November 2026: CR Scores recalculated for 496 pest control companies serving Monrovia.
- November 2026: 11 duplicate listings merged.
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