64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,509 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Mercer Island, WA (2026)
170 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mercer Island: PURCOR Pest Solutions, CR Score 64/100; 4.8★ from 1,509 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Saela Pest Control, posts 24/7 hours; ranked #4 of 170.
- 33
Most-reviewed: Aptive Pest Control, 7,742 Google reviews at 4.6★, the most of 170 ranked; ranked #33.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
170 Mercer Island pest control companies are ranked here by CR Score, from ten published factors. 28 are open 24/7, 103 open Saturdays and 62 open Sundays, based on posted hours. The median Google rating is 4.9★ across 170 rated businesses.
Top 10 pest control companies in Mercer Island at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PURCOR Pest Solutions | 64 | 4.8★ (1,509) | Seattle, 6 mi away | 24/7 | Overall |
| 2 | Insight Pest Control - Bellevue | 63 | 4.9★ (2,761) | Bellevue, 3 mi away | Sat | — |
| 3 | Insight Pest Control - Seattle | 62 | 4.9★ (7,360) | Seattle, 9 mi away | Sat | — |
| 4 | Saela Pest Control | 62 | 4.6★ (2,940) | Kent, 14 mi away | 24/7 | Emergencies |
| 5 | Rambo Total Pest Control | 61 | 5.0★ (874) | Renton, 6 mi away | Sat | — |
| 6 | Terminix | 61 | 4.7★ (120) | Bellevue, 2 mi away | 24/7 | — |
| 7 | Orkin | 60 | 4.8★ (339) | Kent, 12 mi away | 24/7 | — |
| 8 | PURCOR Pest Solutions | 60 | 4.6★ (232) | Renton, 6 mi away | 24/7 | — |
| 9 | Sunrise Pest & Turf Management | Bellevue, WA | 60 | 4.9★ (720) | Bellevue, 5 mi away | Sat | — |
| 10 | Western Exterminator | 60 | 4.8★ (237) | Kent, 10 mi away | 24/7 | — |
The 170 best pest control companies in Mercer Island, 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 Bellevue, 3 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 2,761 Google reviews, listed on Google as “Pest control service”.
Based in Seattle, 9 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 7,360 Google reviews, listed on Google as “Pest control service”.
Based in Kent, 14 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 2,940 Google reviews, listed on Google as “Pest control service”.
Based in Renton, 6 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 874 Google reviews, listed on Google as “Pest control service”.
#6 Terminix
Based in Bellevue, 2 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 120 Google reviews, listed on Google as “Pest control service”.
#7 Orkin
Based in Kent, 12 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 339 Google reviews, listed on Google as “Pest control service”.
Based in Renton, 6 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 232 Google reviews, listed on Google as “Pest control service”.
Based in Bellevue, 5 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 720 Google reviews, listed on Google as “Pest control service”.
Based in Kent, 10 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 237 Google reviews, listed on Google as “Pest control service”.
#11 Terminix
Based in Bothell, 14 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 948 Google reviews, listed on Google as “Pest control service”.
Based in Federal Way, 19 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 6,049 Google reviews, listed on Google as “Pest control service”.
Based in Bothell, 14 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 455 Google reviews, listed on Google as “Pest control service”.
Based in Bellevue, 3 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 194 Google reviews, listed on Google as “Pest control service”.
Based in Renton, 9 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 5,307 Google reviews, listed on Google as “Pest control service”.
#16 Orkin
Based in Kent, 14 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 412 Google reviews, listed on Google as “Pest control service”.
Based in Seattle, 10 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 239 Google reviews, listed on Google as “Pest control service”.
Based in Seattle, 6 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 879 Google reviews, listed on Google as “Pest control service”.
Based in Auburn, 17 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Pest control service”.
Based in Bremerton, 19 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 2,284 Google reviews, listed on Google as “Pest control service”.
Based in Renton, 7 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 871 Google reviews, listed on Google as “Pest control service”.
Based in Seattle, 5 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Pest control service”.
Based in Woodinville, 13 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 1,210 Google reviews, listed on Google as “Pest control service”.
Based in Tacoma, 14 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “Pest control service”.
Based in Everett, 24 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 3,628 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 170 ranked pest control companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Cascade Pest Control | 58 | 4.9★ (596) | 6 mi |
| 27 | AMPM Exterminators | 58 | 4.8★ (141) | 10 mi |
| 28 | Rodent Guard Pest Control | 58 | 5.0★ (536) | 8 mi |
| 29 | Pro Pest Control Exterminators | 58 | 4.9★ (15) | 5 mi |
| 30 | Kelly's Pest Control | 57 | 5.0★ (466) | 8 mi |
| 31 | Bugnation, LLC | 57 | 5.0★ (43) | 14 mi |
| 32 | Wild Bee Company | 57 | 5.0★ (57) | 10 mi |
| 33 | Aptive Pest Control | 57 | 4.6★ (7,742) | 23 mi |
| 34 | Issaquah Pest Control | 57 | 4.9★ (571) | 9 mi |
| 35 | Axiom Eco-Pest Control | 57 | 4.7★ (1,568) | 9 mi |
| 36 | Bamboo Pest Control Servicing | 57 | 4.8★ (824) | 8 mi |
| 37 | Pest Control Experts | 57 | 4.9★ (15) | 7 mi |
| 38 | Plateau Pest | 57 | 4.7★ (289) | 16 mi |
| 39 | Zunex Pest Control | 57 | 4.9★ (2,022) | 16 mi |
| 40 | Holly Moley! | 57 | 5.0★ (5) | 3 mi |
| 41 | Aptive Pest Control | 57 | 4.7★ (2,379) | 21 mi |
| 42 | Northwest Mole Pros | 57 | 5.0★ (102) | 16 mi |
| 43 | Bellevue Pest Control Pros | 57 | 5.0★ (5) | 4 mi |
| 44 | Modern Pest Control | 56 | 4.9★ (888) | 22 mi |
| 45 | Eastside Exterminators | 56 | 4.9★ (2,159) | 12 mi |
| 46 | PURCOR Pest Solutions | 56 | 4.3★ (83) | 13 mi |
| 47 | Croach Pest Control | 56 | 4.9★ (1,209) | 25 mi |
| 48 | Urban Pest Control Services | 56 | 5.0★ (16) | 7 mi |
| 49 | Pest Control Seattle WA | 56 | 5.0★ (6) | 7 mi |
| 50 | United Pest Solutions | 56 | 4.8★ (25) | 14 mi |
Also serving Mercer Island
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 |
|---|---|---|
| A2Z Pest Solutions | 5.0★ (1) | 16 mi |
| ACTION PLUS ELECTRIC, INC. | 2 mi | |
| Aggressive Pest Control | 5.0★ (2) | 10 mi |
| Cascade Pest Control | 5.0★ (1) | 10 mi |
| Clark Construction Group, LLC. | 4.5★ (2) | 6 mi |
| Father & Son Pest Control | 5.0★ (1) | 6 mi |
| John Pest Control | 5.0★ (2) | 7 mi |
| Mole Control & More | 5.0★ (1) | 15 mi |
| Mountain Rodent Chimney Sweep Management | 5.0★ (2) | 6 mi |
| Northwest Insured Tree Service | 4.0★ (1) | 10 mi |
| NPP Termite and Pest control Service Of WA | 5.0★ (2) | 8 mi |
| Organic Exterminator in Bellevue | 5.0★ (1) | 3 mi |
| Organic Exterminator in Tacoma | 5.0★ (2) | 24 mi |
| Pro Pest Control Issaquah | 5.0★ (1) | 5 mi |
| Redwood Bug Services | 3 mi | |
| RRP Termite and Pest control Service of WA | 5.0★ (2) | 14 mi |
| Seattle Bed Bug Treatment | 5.0★ (2) | 9 mi |
| Sunrise Pest & Turf Management | Pest Control | Seattle, WA | 5.0★ (2) | 11 mi |
| Washington State Termite Pest Control Services of America | 5.0★ (2) | 9 mi |
| Wildlife Trapper Pro | 5.0★ (1) | 5 mi |
How we ranked Mercer Island pest control companies
We scored 170 Mercer Island 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 Mercer Island 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 Mercer Island: frequently asked questions
Who is the best pest control company in Mercer Island?
By CR Score, the highest-ranked pest control company in Mercer Island, WA is PURCOR Pest Solutions with a CR Score of 64/100. It has 4.8★ from 1,509 Google reviews. It is open 24/7. Insight Pest Control - Bellevue (#2) and Insight Pest Control - Seattle (#3) follow. We ranked 170 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Mercer Island?
ContractorsRanked ranks 170 pest control companies serving Mercer Island, WA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Mercer Island are open 24/7?
28 ranked pest control companies in Mercer Island post 24/7 hours. The highest-ranked are PURCOR Pest Solutions (#1), Saela Pest Control (#4) and Terminix (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Mercer Island work on weekends?
103 of 170 ranked pest control companies post Saturday hours and 62 post Sunday hours. The highest-ranked open Saturdays are PURCOR Pest Solutions (#1), Insight Pest Control - Bellevue (#2) and Insight Pest Control - Seattle (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mercer Island pest control companies have?
The median Google rating among 170 rated pest control companies in Mercer Island is 4.9★, with a median of 49 reviews. Aptive Pest Control has the most, 7,742 reviews, and ranks #33. 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 Mercer Island count in this ranking?
Yes, if they are within 25 mi of the Mercer Island 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 Mercer Island
- November 2026: CR Scores recalculated for 170 pest control companies serving Mercer Island.
- November 2026: 4 duplicate listings merged.
More pest control companies and Mercer Island pages
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