How 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%97+56.9Reliability 26%99+25.8Value 15%100+15.2Experts Score= 98Not 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.98SCORECertech Environmental Services
Walnut Creek, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #15Position by Experts Score among all companies we track in this category. of 86 pest control services · 5.0★ from 96 Google reviews
Report card
Percentile vs other pest control services (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: value and momentum; weakest: satisfaction.
Reviews for your job
Customers hired Certech Environmental Services for 8 kinds of job.
Certech Environmental Services for ant extermination
Clear ✕All 17 Google reviews tagged “Ant extermination”
We’ve been using Certech for pest control at our house for several years. We used a bigger commercial pest company before and still had tons of bugs. We’re surrounded by open space so critters are a part of life. Since we switched to Certech the bugs have gone way down. Even the spiders, which seem to be very hard…
Jordan was really efficient and very helpful. I will definitely continue using their service.
I called Certech for a summer ant issue and couldn’t be happier with the results. They scheduled my appointment quickly and handled everything with total professionalism. My technician, Gareth, was incredibly nice, thorough, and professional. He used a targeted baiting strategy inside and treated the exterior…
DANIEL WAS IN AND OUT QUICKLY AND QUIETLY. START OF WEEK 2 AND MY LITTLE FRIENDS MUST HAVE FOUND A NEW HOME; CUZ THEY AIN'T HERE ANYMORE!!!
Outstanding service from Julian: he’s checked in with us across multiple visits to ensure our problems have been resolved, and is extremely willing to help out or go above and beyond to address our concerns. Highly recommend, esp if Julian is your tech.
Certech was able to send a person out the following day after making appointment, which was good as we tried unsuccessfully to eliminate the ants with multiple attempts prior. The treated inside and out which seemed to have done the trick. We only had a few stray ants for a couple of days but after a week no more…
Daniel did a great job getting rid of my ant problem I had two other companies come in before and they could not solve the problem but Daniel took care of it for me and I'm very happy how do I send it
Daniel did an ant service at our house and was great. He was very easy to schedule with and friendly
Ants everywhere and Daniel M. got the job done!!
Daniel was awesome. Came to our location and helped with our ant problem. It helped immediately. Would recommend certech and daniel to everyone
Great service. Got rid of our ants problem.
Certech Environmental Services did a great job with ant remediation at my home. Jose was professional, thorough, and very knowledgeable. He explained everything clearly and made the whole process easy. Thank you Jose and Certech!
They were timely, honest and just got it done. Very informative
I was recommended Certech thru a friend as I just moved to the Bay Area and wanted to get a gwnwral pest control service and see about what would be needed in the future regularly. I got Daniel who was efficient and informative. He was thorough in his work and answered all my questions without making me feel like I…
Jonathan is fabulous! He always checks in, is super courteous, and makes sure that we are satisfied with the work performed. Detailed oriented, and focused on solving and preventing our pest problems!
Certech does a wonderful job at our university. They are helpful, considerate, responsive, and efficient, and keep working at an issue until it is resolved. Highly recommend them.
Rating only, no written review.
Price
Bar = middle half of what customers paid · gold mark = category median.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Ant extermination | 17 | $83–$246 |
| Rodent extermination | 12 | $103–$371 |
| Spider extermination | 8 | $67–$159 |
| Hornet & wasp extermination | 6 | $93–$282 |
| Cockroach extermination | 6 | $81–$246 |
| Flea & mite extermination | 4 | $125–$246 |
| Termite inspection | 3 | $103–$323 |
| Termite extermination | 2 | $214–$426 |
