63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.6★ from 2,858 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in San Carlos, CA (2026)
208 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Carlos: Orkin, CR Score 63/100; 4.6★ from 2,858 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 208.
- 23
Most-reviewed: Aptive Pest Control, 3,943 Google reviews at 4.5★, the most of 208 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
208 San Carlos pest control companies are ranked here by CR Score, from ten published factors. 47 are open 24/7, 133 open Saturdays and 91 open Sundays, based on posted hours. The median Google rating is 4.8★ across 207 rated businesses.
Top 10 pest control companies in San Carlos at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 63 | 4.6★ (2,858) | Hayward, 12 mi away | 24/7 | Overall |
| 2 | Orkin | 63 | 4.7★ (1,071) | Burlingame, 9 mi away | 24/7 | Emergencies |
| 3 | PURCOR Pest Solutions | 62 | 4.9★ (561) | Hayward, 12 mi away | 24/7 | — |
| 4 | Terminix Commercial | 61 | 4.8★ (652) | Union City, 13 mi away | 24/7 | — |
| 5 | Bills Trapping & Pest Removal | 61 | 4.9★ (145) | Gilroy, 7 mi away | 24/7 | — |
| 6 | PURCOR Pest Solutions | 61 | 4.7★ (123) | Redwood City, 2 mi away | 24/7 | — |
| 7 | Terminix | 61 | 4.7★ (2,830) | Pleasanton, 23 mi away | 24/7 | — |
| 8 | Xpert Rodent Solutions - Pest Control Service, San Mateo County, California | 60 | 4.9★ (99) | Half Moon Bay, 10 mi away | 24/7 | — |
| 9 | Terminix | 60 | 4.8★ (660) | San Jose, 21 mi away | 24/7 | — |
| 10 | Clark Pest Control | 60 | 4.6★ (408) | Belmont, 1 mi away | Sat · Evenings | — |
The 208 best pest control companies in San Carlos, 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 Burlingame, 9 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 1,071 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 12 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 561 Google reviews, listed on Google as “Pest control service”.
Based in Union City, 13 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 652 Google reviews, listed on Google as “Pest control service”.
Based in Gilroy, 7 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “Pest control service”.
Based in Redwood City, 2 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 123 Google reviews, listed on Google as “Pest control service”.
#7 Terminix
Based in Pleasanton, 23 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 2,830 Google reviews, listed on Google as “Pest control service”.
Based in Half Moon Bay, 10 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Pest control service”.
#9 Terminix
Based in San Jose, 21 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 660 Google reviews, listed on Google as “Pest control service”.
Based in Belmont, 1 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 408 Google reviews, listed on Google as “Pest control service”.
#11 Terminix
Based in Menlo Park, 6 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.5★ from 106 Google reviews, listed on Google as “Pest control service”.
#12 Terminix
Based in Burlingame, 9 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 102 Google reviews, listed on Google as “Pest control service”.
Based in San Jose, 21 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 934 Google reviews, listed on Google as “Pest control service”.
Based in Oakland, 19 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 1,206 Google reviews, listed on Google as “Pest control service”.
Based in San Jose, 22 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 2,749 Google reviews, listed on Google as “Pest control service”.
#16 Orkin
Based in San Jose, 21 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 865 Google reviews, listed on Google as “Pest control service”.
Based in Union City, 14 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 711 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 11 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.4★ from 325 Google reviews, listed on Google as “Pest control service”.
Based in Pleasanton, 23 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 617 Google reviews, listed on Google as “Pest control service”.
Based in Santa Clara, 19 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 570 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 12 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Pest control service”.
Based in San Jose, 21 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ from 458 Google reviews, listed on Google as “Pest control service”.
Based in Fremont, 19 mi away
58/100CR ScoreRanked #23 because of its Google rating and review volume: 4.5★ from 3,943 Google reviews, the most in San Carlos.
Based in San Jose, 22 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 1,034 Google reviews, listed on Google as “Pest control service”.
#25 Terminix
Based in Hayward, 11 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.3★ from 236 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 208 ranked pest control companies here; the rest are on their profiles.
Also serving San Carlos
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 |
|---|---|---|
| A & R Termite Control | 3.0★ (2) | 5 mi |
| ADVANCED PEST CONTROL | In San Carlos | |
| All American Pest Control Inc. | 5.0★ (2) | 16 mi |
| Bayou Shield Pest Control | 4.5★ (2) | 21 mi |
| Brandon's Attic Control | 5.0★ (2) | 20 mi |
| Clean Fremont Pest Control | 5.0★ (2) | 16 mi |
| Coastal Termite and Pest Control | 3.0★ (2) | 20 mi |
| Danville Pest Control | 3.0★ (2) | 19 mi |
| Eco Francisco Pest Control Experts | 5.0★ (2) | 21 mi |
| Evans West Valley Spray Co Inc | 5.0★ (2) | 22 mi |
| Exquisite Pest Control San Francisco CA | 5.0★ (2) | 17 mi |
| Iron Shield Pest Control Solutions | 4.5★ (2) | 21 mi |
| Logic Wave Pest Control | 5.0★ (2) | 23 mi |
| Panda Heating & Cooling | 3.5★ (2) | 16 mi |
| PestStop Experts | 5.0★ (2) | 8 mi |
| Pure Guard Pest Control Experts | 4.5★ (2) | 15 mi |
| Rodent Relief | 5.0★ (2) | 7 mi |
| San Mateo Termite And Pest Control | 5.0★ (2) | 13 mi |
| SERVICE PLUS | 5.0★ (2) | 21 mi |
| Vector Guard Pest Control | 4.5★ (2) | 19 mi |
How we ranked San Carlos pest control companies
We scored 208 San Carlos 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 Carlos 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 Carlos: frequently asked questions
Who is the best pest control company in San Carlos?
By CR Score, the highest-ranked pest control company in San Carlos, CA is Orkin with a CR Score of 63/100. It has 4.6★ from 2,858 Google reviews. It is open 24/7. Orkin (#2) and PURCOR Pest Solutions (#3) follow. We ranked 208 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in San Carlos?
ContractorsRanked ranks 208 pest control companies serving San Carlos, CA. 1 of them is based in San Carlos; 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 Carlos are open 24/7?
47 ranked pest control companies in San Carlos post 24/7 hours. The highest-ranked are Orkin (#1), Orkin (#2) and PURCOR Pest Solutions (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in San Carlos work on weekends?
133 of 208 ranked pest control companies post Saturday hours and 91 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Orkin (#2) and PURCOR Pest Solutions (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Carlos pest control companies have?
The median Google rating among 207 rated pest control companies in San Carlos is 4.8★, with a median of 18 reviews. Aptive Pest Control has the most, 3,943 reviews, and ranks #23. 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 Carlos count in this ranking?
Yes, if they are within 25 mi of the San Carlos 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 Carlos
- November 2026: CR Scores recalculated for 208 pest control companies serving San Carlos.
- November 2026: 1 duplicate listing merged.
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