64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 2,830 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in San Ramon, CA (2026)
227 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Ramon: Terminix, CR Score 64/100; 4.7★ from 2,830 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 227.
- 8
Most-reviewed: Aptive Pest Control, 6,419 Google reviews at 4.6★, the most of 227 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
227 San Ramon pest control companies are ranked here by CR Score, from ten published factors. 47 are open 24/7, 146 open Saturdays and 95 open Sundays, based on posted hours. The median Google rating is 4.9★ across 227 rated businesses.
Top 10 pest control companies in San Ramon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Terminix | 64 | 4.7★ (2,830) | Pleasanton, 7 mi away | 24/7 | Overall |
| 2 | Orkin | 62 | 4.6★ (2,858) | Hayward, 13 mi away | 24/7 | Emergencies |
| 3 | Western Exterminator | 62 | 4.7★ (617) | Pleasanton, 7 mi away | 24/7 | — |
| 4 | PURCOR Pest Solutions | 61 | 4.9★ (561) | Hayward, 13 mi away | 24/7 | — |
| 5 | Orkin | 61 | 4.8★ (2,112) | Brentwood, 20 mi away | 24/7 | — |
| 6 | Terminix Commercial | 61 | 4.8★ (652) | Union City, 13 mi away | 24/7 | — |
| 7 | HomeShield Pest Control | 61 | 4.9★ (1,832) | Walnut Creek, 10 mi away | Sat · Evenings | — |
| 8 | Aptive Pest Control | 61 | 4.6★ (6,419) | Livermore, 11 mi away | Sat · Evenings | Most reviews |
| 9 | Orkin | 60 | 4.8★ (496) | Livermore, 15 mi away | 24/7 | — |
| 10 | Bay Area Bed Bug | 60 | 4.9★ (229) | San Ramon | Sat | — |
The 227 best pest control companies in San Ramon, 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, 13 mi away
62/100CR 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 Pleasanton, 7 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 617 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 13 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 561 Google reviews, listed on Google as “Pest control service”.
#5 Orkin
Based in Brentwood, 20 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 2,112 Google reviews, listed on Google as “Pest control service”.
Based in Union City, 13 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 652 Google reviews, listed on Google as “Pest control service”.
Based in Walnut Creek, 10 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 1,832 Google reviews, listed on Google as “Pest control service”.
Based in Livermore, 11 mi away
61/100CR ScoreRanked #8 because of its Google rating and review volume: 4.6★ from 6,419 Google reviews, the most in San Ramon.
#9 Orkin
Based in Livermore, 15 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 496 Google reviews, listed on Google as “Pest control service”.
#10 Bay Area Bed Bug
Based in San Ramon
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 229 Google reviews, listed on Google as “Pest control service”.
Based in Walnut Creek, 11 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 716 Google reviews, listed on Google as “Pest control service”.
Based in Oakland, 14 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 1,206 Google reviews, listed on Google as “Pest control service”.
Based in Alameda, 9 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 615 Google reviews, listed on Google as “Pest control service”.
Based in San Ramon
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Pest control service”.
Based in Pleasanton, 8 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 228 Google reviews, listed on Google as “Pest control service”.
Based in Concord, 17 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 2,834 Google reviews, listed on Google as “Pest control service”.
#17 Orkin
Based in Livermore, 10 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 179 Google reviews, listed on Google as “Pest control service”.
Based in Brentwood, 20 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 688 Google reviews, listed on Google as “Pest control service”.
Based in Union City, 13 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 711 Google reviews, listed on Google as “Pest control service”.
Based in Walnut Creek, 11 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 448 Google reviews, listed on Google as “Pest control service”.
Based in San Ramon
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Pest control service”.
Based in San Ramon
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Pest control service”.
#23 Orkin
Based in Burlingame, 25 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 1,071 Google reviews, listed on Google as “Pest control service”.
Based in Concord, 15 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 910 Google reviews, listed on Google as “Pest control service”.
Based in Livermore, 10 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 82 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 227 ranked pest control companies here; the rest are on their profiles.
Also serving San Ramon
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-Scientific Pest Control | In San Ramon | |
| All American Pest Control Inc. | 5.0★ (2) | 9 mi |
| ALL CROSS TERMITE SERVICE | In San Ramon | |
| Attic Solutions | 3.0★ (2) | 9 mi |
| Best Danville Pest Control | 5.0★ (2) | 3 mi |
| Brick & Hammer | 5.0★ (2) | 12 mi |
| Danville Pest Control | 3.0★ (2) | 5 mi |
| Danville Pest Control Pros | In San Ramon | |
| Dublin Pest Control | 5.0★ (1) | In San Ramon |
| Ever Shield Pest Control | 4.5★ (2) | 3 mi |
| Fortress Pest Control Crew | 4.5★ (2) | In San Ramon |
| Guardian Nex Pest Care | 4.5★ (2) | 11 mi |
| Killroy Pest Control in San Ramon, CA | In San Ramon | |
| Logic Wave Pest Control | 5.0★ (2) | 6 mi |
| Martin Pest Control | 5.0★ (1) | In San Ramon |
| Mighty Men Pest Control of San Ramon | 5.0★ (2) | 3 mi |
| Panda Heating & Cooling | 3.5★ (2) | 12 mi |
| Pure Guard Pest Control Experts | 4.5★ (2) | 10 mi |
| San Ramon Pest Control | In San Ramon | |
| Tim's Pest & Weed Control | 4.5★ (2) | 9 mi |
How we ranked San Ramon pest control companies
We scored 227 San Ramon 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 Ramon 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 Ramon: frequently asked questions
Who is the best pest control company in San Ramon?
By CR Score, the highest-ranked pest control company in San Ramon, CA is Terminix with a CR Score of 64/100. It has 4.7★ from 2,830 Google reviews. It is open 24/7. Orkin (#2) and Western Exterminator (#3) follow. We ranked 227 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in San Ramon?
ContractorsRanked ranks 227 pest control companies serving San Ramon, CA. 4 of them are based in San Ramon; 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 Ramon are open 24/7?
47 ranked pest control companies in San Ramon post 24/7 hours. The highest-ranked are Terminix (#1), Orkin (#2) and Western Exterminator (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in San Ramon work on weekends?
146 of 227 ranked pest control companies post Saturday hours and 95 post Sunday hours. The highest-ranked open Saturdays are Terminix (#1), Orkin (#2) and Western Exterminator (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Ramon pest control companies have?
The median Google rating among 227 rated pest control companies in San Ramon is 4.9★, with a median of 20 reviews. Aptive Pest Control has the most, 6,419 reviews, and ranks #8. 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 Ramon count in this ranking?
Yes, if they are within 25 mi of the San Ramon 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 Ramon
- November 2026: CR Scores recalculated for 227 pest control companies serving San Ramon.
- November 2026: 1 duplicate listing merged.
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