64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 652 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Union City, CA (2026)
263 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Union City: Terminix Commercial, CR Score 64/100; 4.8★ from 652 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): PURCOR Pest Solutions, posts 24/7 hours; ranked #2 of 263.
- 9
Most-reviewed: Aptive Pest Control, 6,419 Google reviews at 4.6★, the most of 263 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
263 Union City pest control companies are ranked here by CR Score, from ten published factors. 61 are open 24/7, 165 open Saturdays and 113 open Sundays, based on posted hours. The median Google rating is 4.9★ across 262 rated businesses.
Top 10 pest control companies in Union City at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Terminix Commercial | 64 | 4.8★ (652) | Union City | 24/7 | Overall |
| 2 | PURCOR Pest Solutions | 63 | 4.9★ (561) | Hayward, 5 mi away | 24/7 | Emergencies |
| 3 | Terminix | 63 | 4.7★ (2,830) | Pleasanton, 9 mi away | 24/7 | — |
| 4 | Orkin | 63 | 4.6★ (2,858) | Hayward, 8 mi away | 24/7 | — |
| 5 | ATCO Pest Control | 62 | 4.9★ (711) | Union City | Sat | — |
| 6 | Western Exterminator | 61 | 4.7★ (617) | Pleasanton, 9 mi away | 24/7 | — |
| 7 | Terminix | 60 | 4.8★ (660) | San Jose, 16 mi away | 24/7 | — |
| 8 | Banner Pest Services | 60 | 4.9★ (2,749) | San Jose, 15 mi away | Sat · Evenings | — |
| 9 | Aptive Pest Control | 60 | 4.6★ (6,419) | Livermore, 13 mi away | Sat · Evenings | Most reviews |
| 10 | Western Exterminator | 60 | 4.4★ (325) | Hayward, 5 mi away | 24/7 | — |
The 263 best pest control companies in Union City, 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.
Based in Hayward, 5 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 561 Google reviews, listed on Google as “Pest control service”.
#3 Terminix
Based in Pleasanton, 9 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 2,830 Google reviews, listed on Google as “Pest control service”.
#4 Orkin
Based in Hayward, 8 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 2,858 Google reviews, listed on Google as “Pest control service”.
Based in Union City
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 711 Google reviews, listed on Google as “Pest control service”.
Based in Pleasanton, 9 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 617 Google reviews, listed on Google as “Pest control service”.
#7 Terminix
Based in San Jose, 16 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 660 Google reviews, listed on Google as “Pest control service”.
Based in San Jose, 15 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 2,749 Google reviews, listed on Google as “Pest control service”.
Based in Livermore, 13 mi away
60/100CR ScoreRanked #9 because of its Google rating and review volume: 4.6★ from 6,419 Google reviews, the most in Union City.
Based in Hayward, 5 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.4★ from 325 Google reviews, listed on Google as “Pest control service”.
Based in San Jose, 16 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 934 Google reviews, listed on Google as “Pest control service”.
#12 Orkin
Based in San Jose, 15 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.6★ from 865 Google reviews, listed on Google as “Pest control service”.
#13 Orkin
Based in Burlingame, 19 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 1,071 Google reviews, listed on Google as “Pest control service”.
Based in Livermore, 4 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Pest control service”.
#15 Orkin
Based in Livermore, 18 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 496 Google reviews, listed on Google as “Pest control service”.
Based in Fremont, 10 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.5★ from 3,943 Google reviews, listed on Google as “Pest control service”.
Based in Oakland, 17 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 1,206 Google reviews, listed on Google as “Pest control service”.
#18 Terminix
Based in Hayward, 5 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.3★ from 236 Google reviews, listed on Google as “Pest control service”.
Based in Hayward, 8 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Pest control service”.
Based in Santa Clara, 15 mi away
59/100CR 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 San Jose, 16 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 458 Google reviews, listed on Google as “Pest control service”.
Based in San Jose, 16 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 1,034 Google reviews, listed on Google as “Pest control service”.
Based in Pleasanton, 10 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 228 Google reviews, listed on Google as “Pest control service”.
Based in Redwood City, 13 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 123 Google reviews, listed on Google as “Pest control service”.
Based in San Mateo, 10 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 83 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 263 ranked pest control companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Bills Trapping & Pest Removal | 58 | 4.9★ (145) | 18 mi |
| 27 | HomeShield Pest Control | 58 | 4.9★ (1,832) | 22 mi |
| 28 | Hayward Pest Control | 58 | 5.0★ (10) | 3 mi |
| 29 | Orkin | 57 | 4.5★ (179) | 14 mi |
| 30 | Bay Area Bed Bug | 57 | 4.9★ (229) | 12 mi |
| 31 | Patriot Pest Management, Inc | 57 | 4.9★ (161) | 9 mi |
| 32 | Terminix | 57 | 4.5★ (106) | 13 mi |
| 33 | FreshStart Pest Solutions | 57 | 5.0★ (10) | 6 mi |
| 34 | Frank Pest Control Co.,Inc. | 57 | 5.0★ (17) | 4 mi |
| 35 | Banner Pest Services | 57 | 5.0★ (716) | 23 mi |
| 36 | Pacific Coast Termite Inc. | 57 | 4.6★ (171) | 6 mi |
| 37 | Critter Control of San Jose | 57 | 4.9★ (121) | 16 mi |
| 38 | Clark Pest Control | 57 | 4.7★ (548) | 15 mi |
| 39 | The Original Rodent Proofers | 57 | 5.0★ (615) | 22 mi |
| 40 | Attic Pros | 56 | 4.8★ (1,938) | 13 mi |
| 41 | Dewey Pest & Termite Control | 56 | 4.5★ (154) | 18 mi |
| 42 | Clark Pest Control | 56 | 4.7★ (692) | 17 mi |
| 43 | Evans Exterminator | 56 | 5.0★ (20) | 13 mi |
| 44 | Fresh Hayward Pest Control | 56 | 5.0★ (4) | 4 mi |
| 45 | Advanced Integrated Pest Management | 56 | 4.9★ (274) | 17 mi |
| 46 | Terminix | 56 | 4.7★ (102) | 20 mi |
| 47 | Bay Pest Solution Inc | 56 | 4.8★ (332) | 9 mi |
| 48 | All About Termite Solutions | 56 | 4.9★ (63) | 21 mi |
| 49 | Pioneer San Lorenzo Pest Control | 56 | 5.0★ (8) | 8 mi |
| 50 | Clark Pest Control | 56 | 4.7★ (191) | 12 mi |
Also serving Union City
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) | 16 mi |
| All American Pest Control Inc. | 5.0★ (2) | 9 mi |
| Best Danville Pest Control | 5.0★ (2) | 16 mi |
| Brandon's Attic Control | 5.0★ (2) | 17 mi |
| Clean Fremont Pest Control | 5.0★ (2) | 4 mi |
| Coastal Termite and Pest Control | 3.0★ (2) | 15 mi |
| Danville Pest Control | 3.0★ (2) | 8 mi |
| Ever Shield Pest Control | 4.5★ (2) | 15 mi |
| Fortress Pest Control Crew | 4.5★ (2) | 17 mi |
| Iron Shield Pest Control Solutions | 4.5★ (2) | 14 mi |
| Logic Wave Pest Control | 5.0★ (2) | 9 mi |
| Mighty Men Pest Control of San Ramon | 5.0★ (2) | 12 mi |
| Panda Heating & Cooling | 3.5★ (2) | 13 mi |
| PestStop Experts | 5.0★ (2) | 19 mi |
| Pro Pest Control Solutions | 5.0★ (2) | 21 mi |
| Pure Guard Pest Control Experts | 4.5★ (2) | 6 mi |
| Rodent Relief | 5.0★ (2) | 11 mi |
| San Mateo Termite And Pest Control | 5.0★ (2) | 8 mi |
| Sky Ox Fumigation | 5.0★ (2) | 21 mi |
| Vector Guard Pest Control | 4.5★ (2) | 19 mi |
How we ranked Union City pest control companies
We scored 263 Union City 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 Union City 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 Union City: frequently asked questions
Who is the best pest control company in Union City?
By CR Score, the highest-ranked pest control company in Union City, CA is Terminix Commercial with a CR Score of 64/100. It has 4.8★ from 652 Google reviews. It is open 24/7. PURCOR Pest Solutions (#2) and Terminix (#3) follow. We ranked 263 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Union City?
ContractorsRanked ranks 263 pest control companies serving Union City, CA. 2 of them are based in Union City; 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 Union City are open 24/7?
61 ranked pest control companies in Union City post 24/7 hours. The highest-ranked are Terminix Commercial (#1), PURCOR Pest Solutions (#2) and Terminix (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Union City work on weekends?
165 of 263 ranked pest control companies post Saturday hours and 113 post Sunday hours. The highest-ranked open Saturdays are Terminix Commercial (#1), PURCOR Pest Solutions (#2) and Terminix (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Union City pest control companies have?
The median Google rating among 262 rated pest control companies in Union City is 4.9★, with a median of 18 reviews. Aptive Pest Control has the most, 6,419 reviews, and ranks #9. 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 Union City count in this ranking?
Yes, if they are within 25 mi of the Union City 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 Union City
- November 2026: CR Scores recalculated for 263 pest control companies serving Union City.
- November 2026: 1 duplicate listing merged.
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