63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 387 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in San Dimas, CA (2026)
432 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Dimas: Orkin, CR Score 63/100; 4.8★ from 387 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 432.
- 11
Most-reviewed: Brooks Pest Control, 11,523 Google reviews at 4.6★, the most of 432 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
432 San Dimas pest control companies are ranked here by CR Score, from ten published factors. 108 are open 24/7, 305 open Saturdays and 171 open Sundays, based on posted hours. The median Google rating is 4.9★ across 432 rated businesses.
Top 10 pest control companies in San Dimas at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 63 | 4.8★ (387) | San Dimas | 24/7 | Overall |
| 2 | Orkin | 63 | 4.7★ (1,367) | Claremont, 6 mi away | 24/7 | Emergencies |
| 3 | CURA Termite & Pest Control - West Covina | 62 | 5.0★ (252) | West Covina, 7 mi away | 24/7 | — |
| 4 | Orkin | 61 | 4.8★ (3,213) | Anaheim, 20 mi away | 24/7 | — |
| 5 | Dewey Pest & Termite Control | 60 | 4.8★ (244) | Ontario, 8 mi away | 24/7 | — |
| 6 | Orkin | 60 | 4.8★ (3,667) | Riverside, 23 mi away | 24/7 | — |
| 7 | Western Exterminator | 60 | 4.7★ (596) | Chino, 11 mi away | 24/7 | — |
| 8 | Terminix | 60 | 4.7★ (2,287) | Santa Fe Springs, 19 mi away | 24/7 | — |
| 9 | Orkin | 60 | 4.9★ (460) | Anaheim, 17 mi away | 24/7 | — |
| 10 | Rodent Guys Gopher & Pest Control | 60 | 4.9★ (256) | San Dimas | Sat | — |
The 432 best pest control companies in San Dimas, 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 Claremont, 6 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 1,367 Google reviews, listed on Google as “Pest control service”.
Based in West Covina, 7 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 252 Google reviews, listed on Google as “Pest control service”.
#4 Orkin
Based in Anaheim, 20 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 3,213 Google reviews, listed on Google as “Pest control service”.
Based in Ontario, 8 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 244 Google reviews, listed on Google as “Pest control service”.
#6 Orkin
Based in Riverside, 23 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 3,667 Google reviews, listed on Google as “Pest control service”.
Based in Chino, 11 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 596 Google reviews, listed on Google as “Pest control service”.
#8 Terminix
Based in Santa Fe Springs, 19 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 2,287 Google reviews, listed on Google as “Pest control service”.
#9 Orkin
Based in Anaheim, 17 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 460 Google reviews, listed on Google as “Pest control service”.
Based in San Dimas
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 256 Google reviews, listed on Google as “Pest control service”.
Based in Corona, 21 mi away
59/100CR ScoreRanked #11 because of its Google rating and review volume: 4.6★ from 11,523 Google reviews, the most in San Dimas.
#12 Orkin
Based in Brea, 14 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 306 Google reviews, listed on Google as “Pest control service”.
Based in Yorba Linda, 16 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 7,199 Google reviews, listed on Google as “Pest control service”.
Based in Anaheim, 20 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 562 Google reviews, listed on Google as “Pest control service”.
Based in Fontana, 7 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Pest control service”.
Based in Upland, 7 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 320 Google reviews, listed on Google as “Pest control service”.
Based in Baldwin Park, 10 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 135 Google reviews, listed on Google as “Pest control service”.
Based in Corona, 19 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 9,224 Google reviews, listed on Google as “Pest control service”.
#19 the bugman
Based in Anaheim, 18 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 2,576 Google reviews, listed on Google as “Pest control service”.
#20 Terminix
Based in Anaheim, 20 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 389 Google reviews, listed on Google as “Pest control service”.
Based in Walnut, 7 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 525 Google reviews, listed on Google as “Pest control service”.
#22 Orkin
Based in Baldwin Park, 10 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Pest control service”.
#23 Terminix
Based in Ontario, 11 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Pest control service”.
Based in Fontana, 13 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 1,940 Google reviews, listed on Google as “Pest control service”.
#25 Pest Innovations
Based in Glendora, 2 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 425 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 432 ranked pest control companies here; the rest are on their profiles.
Also serving San Dimas
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 |
|---|---|---|
| All Pro Pest Control | 5.0★ (2) | 14 mi |
| Apex Shield Exterminators | 4.5★ (2) | 7 mi |
| B & S Pest Control Corporation Claremont CA | 5.0★ (2) | 6 mi |
| Bio Pest Control Shield | 4.5★ (2) | 8 mi |
| Crest Pest Control | 5.0★ (2) | 7 mi |
| Eazell pest services | 5.0★ (2) | 12 mi |
| EcoZone Pest Control | 5.0★ (2) | 9 mi |
| Everguard Exterminators | 3.0★ (2) | 10 mi |
| family bees removal has 3 same names | 5.0★ (2) | 14 mi |
| Hirst gopher control | 5.0★ (2) | 14 mi |
| Hunting Pest Services | 5.0★ (2) | 8 mi |
| Impressive Exterminating | 5.0★ (2) | 8 mi |
| Lady Bugs Termite & Pest Control | 5.0★ (2) | 14 mi |
| Mercury Termite & Pest Control | 3.0★ (2) | 3 mi |
| Morgan Termite Control | 5.0★ (2) | 11 mi |
| Nexa Guard Pest Services | 4.5★ (2) | 6 mi |
| OC Bug Company | 5.0★ (2) | 14 mi |
| Pastene Pest Control | 4.0★ (2) | 1 mi |
| Pest Commander Pest Control | 5.0★ (2) | 5 mi |
| Survival Pest Control | 5.0★ (2) | 14 mi |
How we ranked San Dimas pest control companies
We scored 432 San Dimas 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 San Dimas 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 San Dimas: frequently asked questions
Who is the best pest control company in San Dimas?
By CR Score, the highest-ranked pest control company in San Dimas, CA is Orkin with a CR Score of 63/100. It has 4.8★ from 387 Google reviews. It is open 24/7. Orkin (#2) and CURA Termite & Pest Control - West Covina (#3) follow. We ranked 432 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in San Dimas?
ContractorsRanked ranks 432 pest control companies serving San Dimas, CA. 3 of them are based in San Dimas; 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 San Dimas are open 24/7?
108 ranked pest control companies in San Dimas post 24/7 hours. The highest-ranked are Orkin (#1), Orkin (#2) and CURA Termite & Pest Control - West Covina (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in San Dimas work on weekends?
305 of 432 ranked pest control companies post Saturday hours and 171 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Orkin (#2) and CURA Termite & Pest Control - West Covina (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Dimas pest control companies have?
The median Google rating among 432 rated pest control companies in San Dimas is 4.9★, with a median of 21 reviews. Brooks Pest Control has the most, 11,523 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 San Dimas count in this ranking?
Yes, if they are within 25 mi of the San Dimas 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 San Dimas
- November 2026: CR Scores recalculated for 432 pest control companies serving San Dimas.
- November 2026: 10 duplicate listings merged.
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