65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,067 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Darien, CT (2026)
207 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Darien: Mosquito Squad of New Haven & Fairfield County, CR Score 65/100; 4.9★ from 1,067 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mosquito Joe of Gold Coast CT, posts 24/7 hours; ranked #2 of 207.
- 47
Most-reviewed: Aptive Pest Control, 3,519 Google reviews at 4.5★, the most of 207 ranked; ranked #47.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
207 Darien pest control companies are ranked here by CR Score, from ten published factors. 57 are open 24/7, 158 open Saturdays and 87 open Sundays, based on posted hours. The median Google rating is 5.0★ across 207 rated businesses.
Top 10 pest control companies in Darien at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mosquito Squad of New Haven & Fairfield County | 65 | 4.9★ (1,067) | Norwalk, 3 mi away | 24/7 | Overall |
| 2 | Mosquito Joe of Gold Coast CT | 64 | 5.0★ (375) | Stamford, 3 mi away | 24/7 | Emergencies |
| 3 | Mosquito Squad of Greenwich | 63 | 4.9★ (447) | Greenburgh, 8 mi away | 24/7 | — |
| 4 | Lawn Doctor of Fairfield County and Westchester County | 62 | 4.8★ (514) | Stamford, 3 mi away | Sat · Sun | — |
| 5 | Orkin | 61 | 4.7★ (1,387) | Greenburgh, 18 mi away | 24/7 | — |
| 6 | Terminix | 60 | 4.6★ (755) | Greenburgh, 13 mi away | 24/7 | — |
| 7 | Flow. Pest Solutions | 60 | 5.0★ (250) | Norwalk, 3 mi away | Sat | — |
| 8 | Eliminate 'Em Pest Control Services | 60 | 4.9★ (208) | White Plains, 14 mi away | 24/7 | — |
| 9 | Orkin | 60 | 4.6★ (1,662) | Danbury, 19 mi away | 24/7 | — |
| 10 | Western Pest Services | 60 | 4.9★ (265) | Norwalk, 4 mi away | Sat | — |
The 207 best pest control companies in Darien, 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 Stamford, 3 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 375 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 8 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 447 Google reviews, listed on Google as “Pest control service”.
Based in Stamford, 3 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 514 Google reviews, listed on Google as “Pest control service”.
#5 Orkin
Based in Greenburgh, 18 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 1,387 Google reviews, listed on Google as “Pest control service”.
#6 Terminix
Based in Greenburgh, 13 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 755 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 3 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 250 Google reviews, listed on Google as “Pest control service”.
Based in White Plains, 14 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 208 Google reviews, listed on Google as “Pest control service”.
#9 Orkin
Based in Danbury, 19 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 1,662 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 4 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 265 Google reviews, listed on Google as “Pest control service”.
Based in Brentwood, 23 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 691 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 6 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 646 Google reviews, listed on Google as “Pest control service”.
Based in New Rochelle, 16 mi away
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 3 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “Pest control service”.
#15 Terminix
Based in Westport, 8 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 76 Google reviews, listed on Google as “Pest control service”.
Based in Fairfield, 13 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 111 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 18 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 1,308 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 4 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 435 Google reviews, listed on Google as “Pest control service”.
Based in Norwalk, 3 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Pest control service”.
Based in Old Greenwich, 6 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Pest control service”.
Based in Yonkers, 22 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 668 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 17 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ from 2,816 Google reviews, listed on Google as “Pest control service”.
Based in Greenburgh, 17 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 1,009 Google reviews, listed on Google as “Pest control service”.
Based in The Bronx, 24 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 183 Google reviews, listed on Google as “Pest control service”.
Based in Mamaroneck, 16 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 622 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 207 ranked pest control companies here; the rest are on their profiles.
Also serving Darien
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 |
|---|---|---|
| All Gone Exterminating | 5.0★ (2) | 24 mi |
| Eager Beaver Tree Service | 5.0★ (2) | 13 mi |
| Eco Friendly Pest Control Services in Stamford | 5.0★ (1) | 4 mi |
| Elite New Rochelle Exterminator | 5.0★ (2) | 20 mi |
| Elite Pest & Wildlife Control of Stamford | 5.0★ (2) | 4 mi |
| Fast Response Pest Services | 5.0★ (2) | 24 mi |
| George Co. | 5.0★ (2) | 25 mi |
| Greenleaf Services LLC | 5.0★ (1) | In Darien |
| Legacy Rodent Control | 3.0★ (2) | 14 mi |
| New England Landscapes LLC | 5.0★ (2) | 16 mi |
| Organic Exterminator in White Plains | 5.0★ (2) | 16 mi |
| Pinnacle Pest Management BPT | 5.0★ (2) | 16 mi |
| Premier Scarsdale Pest Control | 5.0★ (2) | 19 mi |
| Red Carpet Landscaping | 5.0★ (2) | In Darien |
| SEEMLY ENVIRONMENTAL SERVICES LLC | 5.0★ (2) | 24 mi |
| ShieldPro Pest Control | 5.0★ (2) | 14 mi |
| Stop it!! pest services | 5.0★ (2) | 9 mi |
| Trap It Pest Control | 5.0★ (2) | 24 mi |
| Walden's Pest Control Inc. | 5.0★ (2) | 23 mi |
| Western Pest Services | 1.0★ (2) | 4 mi |
How we ranked Darien pest control companies
We scored 207 Darien 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 2, 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 Darien 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 Darien: frequently asked questions
Who is the best pest control company in Darien?
By CR Score, the highest-ranked pest control company in Darien, CT is Mosquito Squad of New Haven & Fairfield County with a CR Score of 65/100. It has 4.9★ from 1,067 Google reviews. It is open 24/7. Mosquito Joe of Gold Coast CT (#2) and Mosquito Squad of Greenwich (#3) follow. We ranked 207 pest control companies on ten factors, last updated November 2, 2026.
How many pest control companies are there in Darien?
ContractorsRanked ranks 207 pest control companies serving Darien, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Darien are open 24/7?
57 ranked pest control companies in Darien post 24/7 hours. The highest-ranked are Mosquito Squad of New Haven & Fairfield County (#1), Mosquito Joe of Gold Coast CT (#2) and Mosquito Squad of Greenwich (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Darien work on weekends?
158 of 207 ranked pest control companies post Saturday hours and 87 post Sunday hours. The highest-ranked open Saturdays are Mosquito Squad of New Haven & Fairfield County (#1), Mosquito Joe of Gold Coast CT (#2) and Mosquito Squad of Greenwich (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Darien pest control companies have?
The median Google rating among 207 rated pest control companies in Darien is 5.0★, with a median of 29 reviews. Aptive Pest Control has the most, 3,519 reviews, and ranks #47. 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 Darien count in this ranking?
Yes, if they are within 25 mi of the Darien 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 Darien
- November 2026: CR Scores recalculated for 207 pest control companies serving Darien.
- November 2026: 3 duplicate listings merged.
More pest control companies and Darien pages
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