62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 2,287 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in San Marino, CA (2026)
601 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Marino: Terminix, CR Score 62/100; 4.7★ from 2,287 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 601.
- 43
Most-reviewed: Aptive Pest Control, 7,805 Google reviews at 4.7★, the most of 601 ranked; ranked #43.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
601 San Marino pest control companies are ranked here by CR Score, from ten published factors. 159 are open 24/7, 424 open Saturdays and 257 open Sundays, based on posted hours. The median Google rating is 4.9★ across 601 rated businesses.
Top 10 pest control companies in San Marino at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Terminix | 62 | 4.7★ (2,287) | Santa Fe Springs, 12 mi away | 24/7 | Overall |
| 2 | Orkin | 62 | 4.7★ (2,158) | Los Angeles, 13 mi away | 24/7 | Emergencies |
| 3 | Dewey Pest & Termite Control | 62 | 4.7★ (228) | Pasadena, 2 mi away | 24/7 | — |
| 4 | Orkin | 61 | 4.8★ (3,213) | Anaheim, 21 mi away | 24/7 | — |
| 5 | CURA Termite & Pest Control - West Covina | 61 | 5.0★ (252) | West Covina, 11 mi away | 24/7 | — |
| 6 | HomeShield Pest Control | 61 | 5.0★ (494) | Pasadena, 3 mi away | Sat · Evenings | — |
| 7 | Orkin | 61 | 4.8★ (3,372) | Long Beach, 22 mi away | 24/7 | — |
| 8 | Mosquito Squad Plus of Pasadena | 61 | 4.9★ (129) | Los Angeles, 6 mi away | 24/7 | — |
| 9 | Orkin | 61 | 4.8★ (299) | Commerce, 9 mi away | 24/7 | — |
| 10 | ALL STAR ANIMAL TRAPPING | 61 | 4.9★ (161) | Glendale, 8 mi away | 24/7 | — |
The 601 best pest control companies in San Marino, 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, 13 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 2,158 Google reviews, listed on Google as “Pest control service”.
Based in Pasadena, 2 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 228 Google reviews, listed on Google as “Pest control service”.
#4 Orkin
Based in Anaheim, 21 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 West Covina, 11 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 252 Google reviews, listed on Google as “Pest control service”.
Based in Pasadena, 3 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 494 Google reviews, listed on Google as “Pest control service”.
#7 Orkin
Based in Long Beach, 22 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 3,372 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 6 mi away
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 129 Google reviews, listed on Google as “Pest control service”.
#9 Orkin
Based in Commerce, 9 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 299 Google reviews, listed on Google as “Pest control service”.
Based in Glendale, 8 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 161 Google reviews, listed on Google as “Pest control service”.
#11 Terminix
Based in South El Monte, 6 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 159 Google reviews, listed on Google as “Pest control service”.
Based in Pasadena, 3 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 148 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 3 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “Pest control service”.
#14 Orkin
Based in Gardena, 20 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 528 Google reviews, listed on Google as “Pest control service”.
Based in Alhambra, 10 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 179 Google reviews, listed on Google as “Pest control service”.
Based in Baldwin Park, 9 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 135 Google reviews, listed on Google as “Pest control service”.
#17 Orkin
Based in North Hollywood, 18 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 490 Google reviews, listed on Google as “Pest control service”.
Based in Maywood, 11 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 257 Google reviews, listed on Google as “Pest control service”.
Based in Los Angeles, 11 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.4★ from 625 Google reviews, listed on Google as “Pest control service”.
Based in Los Alamitos, 22 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 4,764 Google reviews, listed on Google as “Pest control service”.
#21 Orkin
Based in Baldwin Park, 8 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Pest control service”.
#22 Orkin
Based in San Dimas, 18 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 387 Google reviews, listed on Google as “Pest control service”.
Based in Anaheim, 22 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 562 Google reviews, listed on Google as “Pest control service”.
Based in San Marino
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Pest control service”.
Based in Carson, 19 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 709 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 601 ranked pest control companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | LA pest control Los Angeles | 59 | 5.0★ (100) | 14 mi |
| 27 | Orkin | 59 | 4.7★ (1,367) | 23 mi |
| 28 | Orkin | 59 | 4.8★ (916) | 23 mi |
| 29 | HomeShield Pest Control | 59 | 5.0★ (1,309) | 17 mi |
| 30 | Rodent Expertz Inc | 59 | 4.9★ (170) | 16 mi |
| 31 | Accurate Rodent & Wildlife Control | 59 | 5.0★ (88) | 8 mi |
| 32 | Orkin | 59 | 4.8★ (306) | 18 mi |
| 33 | Terminix | 59 | 4.9★ (389) | 22 mi |
| 34 | Twin Home Rodent Control | 59 | 4.8★ (311) | 18 mi |
| 35 | Spartan Pest Control Inc. | 59 | 4.8★ (62) | 3 mi |
| 36 | Dewey Pest & Termite Control | 58 | 4.7★ (82) | 10 mi |
| 37 | Bug Sheriff Pest Control | 58 | 5.0★ (113) | 16 mi |
| 38 | Lit trappers | 58 | 5.0★ (31) | 8 mi |
| 39 | Nonstop Pest Control | 58 | 5.0★ (178) | 20 mi |
| 40 | Western Exterminator | 58 | 4.7★ (602) | 21 mi |
| 41 | My Termite Company | 58 | 4.8★ (70) | 5 mi |
| 42 | Orkin | 58 | 4.9★ (460) | 24 mi |
| 43 | Aptive Pest Control | 58 | 4.7★ (7,805) | 23 mi |
| 44 | Dewey Pest & Termite Control | 58 | 4.6★ (106) | 11 mi |
| 45 | Unicare Pest Management | 58 | 5.0★ (54) | 7 mi |
| 46 | Good Pest Management | 58 | 4.9★ (125) | 17 mi |
| 47 | South Pasadena Pest Control | 58 | 5.0★ (10) | 3 mi |
| 48 | Alhambra Pest Control | 58 | 5.0★ (8) | 2 mi |
| 49 | Dewey Pest & Termite Control | 58 | 4.8★ (147) | 17 mi |
| 50 | Brooks Pest Control | 58 | 4.7★ (1,897) | 23 mi |
Also serving San Marino
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) | 13 mi |
| ClearZone Pest Control | 5.0★ (2) | 16 mi |
| Cornerstone Termite Damage Repair | 5.0★ (2) | 11 mi |
| Economy Termite Inspections | 1.5★ (2) | 5 mi |
| Exos Pest Control Huntington Park | 5.0★ (2) | 12 mi |
| EZ 911 | 5.0★ (2) | 12 mi |
| family bees removal has 3 same names | 5.0★ (2) | 5 mi |
| Fumes-R-Us | 5.0★ (2) | 14 mi |
| Fumigacion actiba | 5.0★ (2) | 10 mi |
| Hirst gopher control | 5.0★ (2) | 8 mi |
| Lady Bugs Termite & Pest Control | 5.0★ (2) | 16 mi |
| Mercury Termite & Pest Control | 3.0★ (2) | 15 mi |
| Montebello Pest Control | 5.0★ (2) | 7 mi |
| Montrose Pest Control | 5.0★ (2) | 9 mi |
| Morgan Termite Control | 5.0★ (2) | 10 mi |
| Pest Commander Pest Control | 5.0★ (2) | 13 mi |
| Socal Rodent Exterminator & Control | 5.0★ (2) | 11 mi |
| Survival Pest Control | 5.0★ (2) | 3 mi |
| Termike Pest Control | 5.0★ (2) | 14 mi |
| Veratech Pest Solutions | 5.0★ (2) | 10 mi |
How we ranked San Marino pest control companies
We scored 601 San Marino 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 Marino 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 Marino: frequently asked questions
Who is the best pest control company in San Marino?
By CR Score, the highest-ranked pest control company in San Marino, CA is Terminix with a CR Score of 62/100. It has 4.7★ from 2,287 Google reviews. It is open 24/7. Orkin (#2) and Dewey Pest & Termite Control (#3) follow. We ranked 601 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in San Marino?
ContractorsRanked ranks 601 pest control companies serving San Marino, CA. 1 of them is based in San Marino; 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 Marino are open 24/7?
159 ranked pest control companies in San Marino post 24/7 hours. The highest-ranked are Terminix (#1), Orkin (#2) and Dewey Pest & Termite Control (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in San Marino work on weekends?
424 of 601 ranked pest control companies post Saturday hours and 257 post Sunday hours. The highest-ranked open Saturdays are Terminix (#1), Orkin (#2) and Dewey Pest & Termite Control (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Marino pest control companies have?
The median Google rating among 601 rated pest control companies in San Marino is 4.9★, with a median of 15 reviews. Aptive Pest Control has the most, 7,805 reviews, and ranks #43. 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 Marino count in this ranking?
Yes, if they are within 25 mi of the San Marino 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 Marino
- November 2026: CR Scores recalculated for 601 pest control companies serving San Marino.
- November 2026: 13 duplicate listings merged.
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