The Best Flea Exterminators in Westminster, CO
We graded 6 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 89,284 Google reviews of 109 top-rated flea exterminators nationwide; 6 of them in Westminster, CO. Updated November 3, 2026.
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Best flea exterminators in Westminster for mosquito extermination
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Bee Smart Pest ControlHow Job match is calculatedBuilt only from reviews Google tagged “Mosquito extermination”:Stars on this job 55%5.00★Number of such jobs 25%10Overall Experts Score 20%87Job match= 94Stars are pulled toward the category average (4.91★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.94Job match = this company’s ★ on reviews Google tagged “Mosquito extermination” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about mosquito extermination
Bee Smart Pest ControlExcellent service. On time and thorough. We are very satisfied with Bee Smart.
Bee Smart Pest ControlHighly recommend. Bee Smart doesn't require a one-year contract that is not needed here in Colorado during the winter. Both times I've had them out, they've been knowledgable, polite, on time, and very professional.
Bee Smart Pest ControlThey were able to treat our home right away and were super professional. We highly recommend using them!
Bee Smart Pest ControlJustin and Bee Smart are consistently great. They respond quickly, are thorough without costing an arm and a leg or asking for a contract. I also really appreciate them letting me know if something might impact the effectiveness of the treatment. Love them and use them every single time we need help!
Bee Smart Pest ControlJustin and Ryan are the absolute best. I'm not a big bug guy and Bee Smart's regular service really keeps bugs and mice under control. It's great. But where Justin and Ryan really stand out is when unexpected things pop up. A swarm of yellow jackets make a nest in our roof. Our garden gets infested by…
Bee Smart Pest ControlThey were prompt and called me when they got to my house. They only sprayed the front porch and ground cover area. I don't know if it worked but it gave me peace of mind
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of flea exterminators).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Elite Pest DefenseWestminster, CO | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%100+58.7Reliability 26%98+25.6Value 15%100+15.2Craft & service penalty99−0.1Experts Score= 99Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | — |
| 2 |  Pest Arrest Pest Control - BoulderWestminster, CO | A 98How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%98+53.5Reliability 24%98+23.8Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 98Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.98 | — |
| 3 |  Side by Side Pest Control, LLCWestminster, CO | A 94How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%94+22.8Value 14%100+14.1Replies to reviews 7%69+4.9Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.96 | $323 |
| 4 | Bee Smart Pest ControlWestminster, CO | A 87How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%88+48Reliability 24%81+19.6Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty86−1.4Experts Score= 87Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.87 | $214 |
| 5 |  Presto-X Pest ControlWestminster, CO | A 84How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%87+47.5Reliability 24%82+19.9Value 14%100+14.1Replies to reviews 7%80+5.7Craft & service penalty91−0.9Momentum penalty77−2.3Experts Score= 84Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAABA | 4.84 | $168 |
| 6 |  Best Pest & Wildlife Control ColoradoWestminster, CO | B 70How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%77+42Reliability 24%60+14.5Value 14%78+11Replies to reviews 7%61+4.3Momentum penalty79−2.1Experts Score= 70Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBABBB | 4.80 | $347 |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| General pest inspection | $58 | $99 | $133 | 99% |
| Spider extermination | $56 | $86 | $136 | 98% |
| Ant extermination | $63 | $126 | $191 | 98% |
| Bug & insect extermination | $58 | $99 | $131 | 98% |
| Hornet & wasp extermination | $79 | $148 | $246 | 99% |
| Rodent extermination | $73 | $121 | $246 | 98% |
| Home inspection | $61 | $103 | $139 | 98% |
| Cockroach extermination | $66 | $108 | $214 | 98% |
| Mosquito extermination | $63 | $81 | $101 | 98% |
| Termite inspection | $71 | $113 | $214 | 98% |
| Flea & mite extermination | $78 | $184 | $282 | 98% |
| Termite extermination | $93 | $246 | $371 | 98% |
Flea Exterminators in Westminster, CO at a glance
How the 6 flea exterminators we rated in Westminster, CO compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A583%
- Grade B117%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up350%
- 4.80–4.89★350%
- 4.60–4.79★00%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality16,31520%
- Professionalism20,18525%
- Responsiveness16,02620%
- Punctuality16,20420%
- Value12,52815%
Was the price fair?
All price verdicts left with reviews.
- Great price4,74227%
- Reasonable11,06964%
- Overpriced3582%
- Not sure1,1537%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.