64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 3,372 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Westmont, CA (2026)
629 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Westmont: Orkin, CR Score 64/100; 4.8★ from 3,372 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 629.
- 41
Most-reviewed: Aptive Pest Control, 7,805 Google reviews at 4.7★, the most of 629 ranked; ranked #41.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
629 Westmont pest control companies are ranked here by CR Score, from ten published factors. 164 are open 24/7, 433 open Saturdays and 277 open Sundays, based on posted hours. The median Google rating is 4.9★ across 629 rated businesses.
Top 10 pest control companies in Westmont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 64 | 4.8★ (3,372) | Long Beach, 9 mi away | 24/7 | Overall |
| 2 | Orkin | 63 | 4.7★ (2,158) | Los Angeles, 8 mi away | 24/7 | Emergencies |
| 3 | Orkin | 63 | 4.9★ (528) | Gardena, 5 mi away | 24/7 | — |
| 4 | Western Exterminator | 62 | 4.7★ (709) | Carson, 5 mi away | 24/7 | — |
| 5 | Terminix | 62 | 4.7★ (2,287) | Santa Fe Springs, 13 mi away | 24/7 | — |
| 6 | Orkin | 61 | 4.8★ (3,213) | Anaheim, 20 mi away | 24/7 | — |
| 7 | Bug Sheriff Pest Control | 61 | 5.0★ (113) | Lynwood, 5 mi away | 24/7 | — |
| 8 | Nonstop Pest Control | 61 | 5.0★ (178) | Los Angeles, 9 mi away | 24/7 | — |
| 9 | Good Pest Management | 61 | 4.9★ (264) | Torrance, 9 mi away | 24/7 | — |
| 10 | Treebark Termite and Pest Control | 61 | 4.9★ (208) | Torrance, 8 mi away | 24/7 | — |
The 629 best pest control companies in Westmont, 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 Orkin
Based in Los Angeles, 8 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 2,158 Google reviews, listed on Google as “Pest control service”.
#3 Orkin
Based in Gardena, 5 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 528 Google reviews, listed on Google as “Pest control service”.
Based in Carson, 5 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 709 Google reviews, listed on Google as “Pest control service”.
#5 Terminix
Based in Santa Fe Springs, 13 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 2,287 Google reviews, listed on Google as “Pest control service”.
#6 Orkin
Based in Anaheim, 20 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 3,213 Google reviews, listed on Google as “Pest control service”.
Based in Lynwood, 5 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 9 mi away
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 178 Google reviews, listed on Google as “Pest control service”.
Based in Torrance, 9 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 264 Google reviews, listed on Google as “Pest control service”.
Based in Torrance, 8 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 208 Google reviews, listed on Google as “Pest control service”.
#11 Terminix
Based in Manhattan Beach, 6 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Pest control service”.
Based in Long Beach, 9 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 1,309 Google reviews, listed on Google as “Pest control service”.
Based in Carson, 7 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 208 Google reviews, listed on Google as “Pest control service”.
#14 Orkin
Based in Commerce, 9 mi away
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 299 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 9 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 170 Google reviews, listed on Google as “Pest control service”.
Based in Los Alamitos, 18 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 4,764 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 5 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 157 Google reviews, listed on Google as “Pest control service”.
#18 Terminix
Based in Los Angeles, 5 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 106 Google reviews, listed on Google as “Pest control service”.
Based in Maywood, 8 mi away
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 257 Google reviews, listed on Google as “Pest control service”.
Based in Alhambra, 8 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 179 Google reviews, listed on Google as “Pest control service”.
Based in Long Beach, 9 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 147 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 11 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 129 Google reviews, listed on Google as “Pest control service”.
Based in Manhattan Beach, 6 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 346 Google reviews, listed on Google as “Pest control service”.
Based in Torrance, 8 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Pest control service”.
Based in Beverly Hills, 11 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 125 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 629 ranked pest control companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Good Pest Management | 59 | 5.0★ (119) | 13 mi |
| 27 | Rodent Professor ® | 59 | 5.0★ (70) | 9 mi |
| 28 | Western Exterminator | 59 | 4.4★ (625) | 9 mi |
| 29 | Harvey's Pest Control | 59 | 4.8★ (48) | 5 mi |
| 30 | Admiral Pest Control | 59 | 4.9★ (1,007) | 11 mi |
| 31 | LA pest control Los Angeles | 59 | 5.0★ (100) | 13 mi |
| 32 | PURCOR Pest Solutions | 59 | 4.9★ (562) | 22 mi |
| 33 | Wildlife Solutions And Trapping | 59 | 5.0★ (91) | 6 mi |
| 34 | Orkin | 59 | 4.8★ (490) | 19 mi |
| 35 | Orkin | 59 | 4.8★ (916) | 22 mi |
| 36 | Bed Bug Exterminator LA King | 59 | 5.0★ (215) | 13 mi |
| 37 | All Pest Pros | 59 | 4.9★ (735) | 12 mi |
| 38 | Terminix | 59 | 4.9★ (389) | 22 mi |
| 39 | Animal Country Wildlife Removal | 59 | 5.0★ (73) | 13 mi |
| 40 | HomeShield Pest Control | 59 | 5.0★ (2,945) | 8 mi |
| 41 | Aptive Pest Control | 58 | 4.7★ (7,805) | 22 mi |
| 42 | HomeShield Pest Control | 58 | 5.0★ (497) | 13 mi |
| 43 | Dewey Pest & Termite Control | 58 | 4.6★ (106) | 9 mi |
| 44 | ALL STAR ANIMAL TRAPPING | 58 | 4.9★ (161) | 18 mi |
| 45 | American Rat Control Inc. | 58 | 4.5★ (103) | 8 mi |
| 46 | Dewey Pest & Termite Control | 58 | 4.7★ (82) | 10 mi |
| 47 | Twin Home Rodent Control | 58 | 4.8★ (311) | 19 mi |
| 48 | Western Exterminator | 58 | 4.7★ (602) | 21 mi |
| 49 | Legacy Exterminators, Inc. | 58 | 4.9★ (37) | 9 mi |
| 50 | Orkin | 58 | 4.9★ (66) | 12 mi |
Also serving Westmont
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 |
|---|---|---|
| American Service Pest Control | 3.0★ (2) | 3 mi |
| Big Foot Fumigation | 3.0★ (2) | 8 mi |
| Braveheart Pest & Termite Control | 5.0★ (2) | 11 mi |
| City Pro Pest Control & Termite | 3.0★ (2) | 11 mi |
| Cornerstone Termite Damage Repair | 5.0★ (2) | 8 mi |
| Eary Termite & Pest Service | 5.0★ (2) | 6 mi |
| Elite Pest & Wildlife Control of Torrance | 5.0★ (2) | 8 mi |
| Emerald Pest Control Management | 5.0★ (2) | 8 mi |
| Exos Pest Control Huntington Park | 5.0★ (2) | 5 mi |
| EZ 911 | 5.0★ (2) | 10 mi |
| Fumes-R-Us | 5.0★ (2) | 5 mi |
| Fumigacion actiba | 5.0★ (2) | 7 mi |
| Long Beach Exterminating Pros | 3.5★ (2) | 9 mi |
| Los Angeles Pest Control 2 Day | 5.0★ (2) | 6 mi |
| Pest Cleaner | 3.0★ (2) | 8 mi |
| Pest Service Direct | Termite Professionals | 5.0★ (2) | 10 mi |
| PEST ZAPP | 3.0★ (2) | 3 mi |
| R&A Pest Control | 5.0★ (2) | 8 mi |
| The Salazar Landscape Company | 3.0★ (2) | 11 mi |
| Westside Termite Control | 5.0★ (2) | 3 mi |
How we ranked Westmont pest control companies
We scored 629 Westmont 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 Westmont 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 Westmont: frequently asked questions
Who is the best pest control company in Westmont?
By CR Score, the highest-ranked pest control company in Westmont, CA is Orkin with a CR Score of 64/100. It has 4.8★ from 3,372 Google reviews. It is open 24/7. Orkin (#2) and Orkin (#3) follow. We ranked 629 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Westmont?
ContractorsRanked ranks 629 pest control companies serving Westmont, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Westmont are open 24/7?
164 ranked pest control companies in Westmont post 24/7 hours. The highest-ranked are Orkin (#1), Orkin (#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 Westmont work on weekends?
433 of 629 ranked pest control companies post Saturday hours and 277 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Orkin (#2) and Orkin (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Westmont pest control companies have?
The median Google rating among 629 rated pest control companies in Westmont is 4.9★, with a median of 13 reviews. Aptive Pest Control has the most, 7,805 reviews, and ranks #41. 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 Westmont count in this ranking?
Yes, if they are within 25 mi of the Westmont 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 Westmont
- November 2026: CR Scores recalculated for 629 pest control companies serving Westmont.
- November 2026: 10 duplicate listings merged.
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