80 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Johnstown: Mosquito Squad of Greater Fort Collins & Boulder, CR Score 64/100; 5.0★ from 1,316 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Mosquito Joe of Northern Colorado, posts 24/7 hours; ranked #2 of 80.
Most-reviewed: EcoShield Pest Solutions, 4,537 Google reviews at 4.7★, the most of 80 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
80 Johnstown pest control companies are ranked here by CR Score, from ten published factors. 17 are open 24/7, 41 open Saturdays and 26 open Sundays, based on posted hours. The median Google rating is 4.9★ across 80 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mosquito Squad of Greater Fort Collins & Boulder | 64 | 5.0★ (1,316) | Fort Collins, 6 mi away | Sat · Sun · Evenings | Overall |
| 2 | Mosquito Joe of Northern Colorado | 64 | 4.9★ (334) | Greeley, 3 mi away | 24/7 | Emergencies |
| 3 | Saela Pest Control | 63 | 4.4★ (1,848) | Berthoud, 4 mi away | 24/7 | — |
| 4 | Orkin | 61 | 4.8★ (1,481) | Fort Collins, 18 mi away | 24/7 | — |
| 5 | SSR Seth's Snake Removal | 61 | 5.0★ (110) | Greeley, 6 mi away | 24/7 | — |
| 6 | Terminix | 60 | 4.8★ (164) | Loveland, 10 mi away | 24/7 | — |
| 7 | EcoShield Pest Solutions | 60 | 4.7★ (4,537) | Longmont, 15 mi away | Sat | Most reviews |
| 8 | Front Range Pest and Wildlife Control | 60 | 5.0★ (158) | Loveland, 15 mi away | 24/7 | — |
| 9 | Effective Pest Services | 59 | 4.9★ (458) | Loveland, 9 mi away | Sat | — |
| 10 | Aptive Pest Control | 59 | 4.7★ (1,643) | Longmont, 13 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Johnstown
Based in Fort Collins, 6 mi away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 1,316 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greeley, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 334 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 4 mi away
Ranked #3 because of its Google rating and trade focus: 4.4★ from 1,848 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 18 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,481 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greeley, 6 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 164 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 15 mi away
Ranked #7 because of its Google rating and review volume: 4.7★ from 4,537 Google reviews, the most in Johnstown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 15 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 158 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 9 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 458 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 13 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 1,643 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 18 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,373 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 2,272 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 86 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 10 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 116 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greeley, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.5★ from 53 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Windsor, 9 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 261 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 4 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 119 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greeley, 10 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 345 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 20 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 6 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 3 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 204 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Loveland, 11 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 260 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 80 ranked pest control companies here; the rest are on their profiles.
18 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 Plus Animal & Pest Control L.L.C.-Longmont, CO | 3.0★ (2) | 11 mi |
| Bug Control Specialist | 5.0★ (2) | 19 mi |
| C&C LAWN SPECIALISTS | 5 mi | |
| Chemical Weed Control | 5.0★ (1) | 8 mi |
| Drevano Exterminators | 16 mi | |
| Eco Friendly Pest Control Services in Greeley | 5.0★ (1) | 12 mi |
| Eco Pest Control of Fort Collins | 15 mi | |
| Edge. | 5.0★ (1) | 4 mi |
| Elite Pest & Wildlife Control of Greeley | 5.0★ (1) | 13 mi |
| First Choice Wildlife Services | 5.0★ (1) | 7 mi |
| Fort Collins wildlife CO | 15 mi | |
| Lice Care Solutions | Boulder | 23 mi | |
| Mosquito Controls | 16 mi | |
| Organic Exterminator in Fort Collins | 5.0★ (2) | 20 mi |
| Petz Pest Solutions | 5.0★ (1) | 22 mi |
| Soper Pest Control | 5.0★ (2) | 9 mi |
| Sorensen Pest Management, Inc | 14 mi | |
| Supreme Flow Care | 24 mi |
We scored 80 Johnstown 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 8, 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 Johnstown 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 |