64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 1,071 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in San Mateo, CA (2026)
156 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Mateo: Orkin, CR Score 64/100; 4.7★ from 1,071 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 156.
- 27
Most-reviewed: Aptive Pest Control, 3,943 Google reviews at 4.5★, the most of 156 ranked; ranked #27.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
156 San Mateo pest control companies are ranked here by CR Score, from ten published factors. 42 are open 24/7, 107 open Saturdays and 80 open Sundays, based on posted hours. The median Google rating is 4.9★ across 155 rated businesses.
Top 10 pest control companies in San Mateo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 64 | 4.7★ (1,071) | Burlingame, 4 mi away | 24/7 | Overall |
| 2 | Orkin | 63 | 4.6★ (2,858) | Hayward, 12 mi away | 24/7 | Emergencies |
| 3 | PURCOR Pest Solutions | 62 | 4.9★ (561) | Hayward, 13 mi away | 24/7 | — |
| 4 | GOT SNAKES? Bay Area Snake Removal | 61 | 5.0★ (44) | San Mateo | 24/7 | — |
| 5 | Terminix Commercial | 61 | 4.8★ (652) | Union City, 16 mi away | 24/7 | — |
| 6 | Chang An Termite Control 长安白蚁防治 | 61 | 5.0★ (83) | San Mateo | Sat · Sun · Evenings | — |
| 7 | Terminix | 60 | 4.7★ (102) | Burlingame, 4 mi away | 24/7 | — |
| 8 | Terminix | 60 | 4.7★ (2,830) | Pleasanton, 25 mi away | 24/7 | — |
| 9 | Bills Trapping & Pest Removal | 60 | 4.9★ (145) | Gilroy, 12 mi away | 24/7 | — |
| 10 | PURCOR Pest Solutions | 60 | 4.7★ (123) | Redwood City, 7 mi away | 24/7 | — |
The 156 best pest control companies in San Mateo, 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 Hayward, 12 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.6★ from 2,858 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 13 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 San Mateo
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Pest control service”.
Based in Union City, 16 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 652 Google reviews, listed on Google as “Pest control service”.
Based in San Mateo
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Pest control service”.
#7 Terminix
Based in Burlingame, 4 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 102 Google reviews, listed on Google as “Pest control service”.
#8 Terminix
Based in Pleasanton, 25 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 2,830 Google reviews, listed on Google as “Pest control service”.
Based in Gilroy, 12 mi away
60/100CR ScoreRanked #9 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, 7 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 123 Google reviews, listed on Google as “Pest control service”.
Based in Oakland, 16 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 1,206 Google reviews, listed on Google as “Pest control service”.
Based in Half Moon Bay, 10 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Pest control service”.
Based in Belmont, 4 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.6★ from 408 Google reviews, listed on Google as “Pest control service”.
Based in San Francisco, 15 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 13 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ from 325 Google reviews, listed on Google as “Pest control service”.
Based in Union City, 16 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 711 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 12 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Pest control service”.
#18 Terminix
Based in Menlo Park, 11 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.5★ from 106 Google reviews, listed on Google as “Pest control service”.
Based in Pleasanton, 25 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 San Francisco, 16 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “Pest control service”.
#21 Terminix
Based in Hayward, 13 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.3★ from 236 Google reviews, listed on Google as “Pest control service”.
Based in San Francisco, 12 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.4★ from 107 Google reviews, listed on Google as “Pest control service”.
Based in San Mateo
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Pest control service”.
#24 Mole Busters
Based in Fremont, 2 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 212 Google reviews, listed on Google as “Pest control service”.
Based in Santa Clara, 24 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 570 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 156 ranked pest control companies here; the rest are on their profiles.
Also serving San Mateo
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) | In San Mateo |
| Angel's Gopher Exterminator San Mateo | In San Mateo | |
| Armando Ramires gardens services | 5.0★ (1) | In San Mateo |
| Bay Area Rodent Solutions | In San Mateo | |
| Bay Area Rodent Solutions | In San Mateo | |
| Baywood Termite Control | 1.0★ (1) | In San Mateo |
| Burlingame Pest Control | In San Mateo | |
| Exquisite Pest Control San Francisco CA | 5.0★ (2) | 12 mi |
| Forthaven Control | In San Mateo | |
| Forthavenix Solution | In San Mateo | |
| Hillsborough Pest & Termite Control | 5.0★ (1) | In San Mateo |
| Millbrae Pest Control | In San Mateo | |
| Monster Pest Control | In San Mateo | |
| Pest Control of San Mateo County | In San Mateo | |
| Pest Control San Mateo CA | In San Mateo | |
| PestStop Experts | 5.0★ (2) | 3 mi |
| Rodent Relief | 5.0★ (2) | 12 mi |
| San Mateo Termite And Pest Control | 5.0★ (2) | In San Mateo |
| South San Francisco Pest Services | In San Mateo | |
| The Rat Control Guys - Mice Infestation | In San Mateo |
How we ranked San Mateo pest control companies
We scored 156 San Mateo 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 Mateo 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 Mateo: frequently asked questions
Who is the best pest control company in San Mateo?
By CR Score, the highest-ranked pest control company in San Mateo, CA is Orkin with a CR Score of 64/100. It has 4.7★ from 1,071 Google reviews. It is open 24/7. Orkin (#2) and PURCOR Pest Solutions (#3) follow. We ranked 156 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in San Mateo?
ContractorsRanked ranks 156 pest control companies serving San Mateo, CA. 8 of them are based in San Mateo; 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 Mateo are open 24/7?
42 ranked pest control companies in San Mateo 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 Mateo work on weekends?
107 of 156 ranked pest control companies post Saturday hours and 80 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 Mateo pest control companies have?
The median Google rating among 155 rated pest control companies in San Mateo is 4.9★, with a median of 15 reviews. Aptive Pest Control has the most, 3,943 reviews, and ranks #27. 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 Mateo count in this ranking?
Yes, if they are within 25 mi of the San Mateo 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 Mateo
- November 2026: CR Scores recalculated for 156 pest control companies serving San Mateo.
- November 2026: 1 duplicate listing merged.
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