It's been almost a month (24 days) since Stephen sprayed our house, and I'm happy to report that we haven't seen one ant since! We had a serious problem with ants all over our backyard and front yard. We also had ants in the bathroom! Stephen sprayed the exterior of our house and the interior. I highly recommend Cornerstone Pest Management! They are not only affective, but they are also inexpensive! read more

Cornerstone Pest Management U ROCK!! I can't say enough great things about your service. If anyone is looking for a bug free home and/or business this is the company to use. I have used Stephen for both my home and business and not only are we bug free but we get fantastic service every time and for a great price!! Keep up the great work and thanks for all you do!! read more

Had Stephen come by my new house a couple days ago. We just moved here and have a problem with aggressive ants! I hate any kind of insect so I looked up places right away! I saw the reviews about cornerstone and called.. I was fairly priced and was given a window between 12-2 that next day. Stephen came on time, was very nice and got the job done! Deff recommend this place! read more

Great guys for overall great service. They come when you want them to, they do their job and they leave the place so much cleaner than they found it !!!! Love these guys or this guy Stephen the owner really. read more

I have been using Cornerstone Pest Management now for about 5 months. I have found that Stephen is a very personable and reliable individual to work with. I originally brought him out to solve a rodent problem in my garage. He explained to me some of the things that were attracting the rodents and told me how to remedy the problem. He then set traps and made a number of follow-up visits to check on them. I was so impressed with his concern and dedication that I hired him for full monthly service. I have found him to be dependable and very thorough, and OBTW I haven't had to deal with rodents or any other types of pests since. read more

Cornerstone Pest Management has been great in taking care of my pest needs. I have been using them for just over a year now and the best part about this company is how connected Steven is to his customers. I text him and he responds right away. Communication is key to a business and I have been very happy to be a customer. read more

Highly recommend this guy! He is awesome! Easy to work with. I set up an appointment for my parents house to be sprayed on a Saturday and no problems ever since. Great customer service! I did my research and this is the best company that fit our needs. He was very thorough regarding the service beforehand and the day of service. Can't go wrong. Highly recommend this company. read more

Thank you Steve for coming to our rescue!!! I loved the fast response you gave us and your customer service is outstanding. Thank you for explaining everything included in the service to us. We are very happy we chose your company. Keep up the great work! read more

Great service!! Always a pre-call to remind us that he would be coming out! Never a problem and would recommend him to anyone!!

Steve is a super knowledgable about different insects, I have asked a lot of questions. He is a super nice guy. I would not hesitate to recommend him to anyone who wants pest control. Great service read more

I don't know what kind of magic potion cornerstone uses but we went from seeing tons of critters every time we turned on our backyard lights, and scooping lots from our pool each morning to seeing absolutely nothing after the first spray. I thought we'd be sweeping up tons of dead bugs but we've only seen a few. I'm very happy that we will have our home sprayed regularly to keep the creepy critters away! read more

Stephen with Cornerstone = the very BEST! Great to work with, prompt, careful, great pricing! They get an A++++++++

This company is honest,reliable and professional! They provided service for my home. I would recommend them to everyone. read more

Had Stephen Rys for over a year doing pest control at my house, he gave me a great price and his service was absolutely EXCELLENT! Would recommend to anyone looking to have a pest control service. He is extremely knowledgeable and very polite. Also he remembered that we had a baby and would be very quiet when performing his service! read more

Absolutely LOVED Steve!!! He got rid of a wasp nest & sprayed around the outside! Fast & he was super nice! I would recommend him to everyone! Thanks Steve! read more

Wow! Finally, a professional, friendly, EFFECTIVE, and do-what-they-say-when-they-say kind of company. I am so grateful for Cornerstone's ability to help me immediately tackle what was previously a night mare of a year long problem. I have worked with many types of residential contractors and pest control companies, so I know how this whole process can be quite frustrating at times. I have to say - hands down - you will NOT be disappointed by their services!! Jody V Stockton, CA read more

I am the property manager for A1 Best Alternative Property Management. I had used several different companies to take care of pest issues for tenanted homes, but I wasn't satisfied with the quality of their work, until Cornerstone. With Stephen I get not only great customer service --I get great results too! When my tenants are happy, I'm happy! Thanks Cornerstone for making my job easier! Oh, and they're on time too! read more

These guys are awesome! They pay attention to the little things. Jonah(my dog) loves that they pay attention to him to! Fast service. Had a problem inside the house and they fit me in because of my crazy work schedule. Very reasonably priced too! read more

I've been using Cornerstone Pest Management for about 2 years now, my home is on the river and was overran with large spiders and pincher bugs, but after having Stephen come out to assess my needs, I don't get any intruders anymore. Jose has always been very courteous and friendly when he comes to service the home. I've been nothing but impressed with the service! read more

Highly recommend cornerstone! I called 2 years ago for the first time because I couldn't get rid of my ant problem. Any little crumb left behind would be covered in ants within hours. Steven sprayed my home inside and out and I literally forgot I even had ants as a problem! I just called him again and I'm sure I will be satisfied! Great company, and friendly staff! read more

AMAZING ... Starting in the beginning of 2015 we got a overwhelming amount of cockroaches. We live in a mobile home park and keep our home immaculate but had tried everything and it as it usually do got worse. We tried another company that charged double the price of Cornerstone. We had them come out and spray inside/out 4 times and the roaches got WORSE. ONE time...not exaggerating ONE time he came out and sprayed and they were gone...100% gone. If you know anything about roaches especially as bad as our infestation was to know it's damn near impossible to do that. I was impressed. Still impressive in my eyes. If I ever need any kind of pest control they will be the only place I call not to mention the customer service can not be beat. Save your self some money and go with these guys from the start. read more

The best pest management company in the Central Valley hands down!! Stephe and his technicians are friendly, knowledgeable and reliable, and his prices can't be beat. They take their time, listen to my concerns and treat accordingly. They have even called after the treatment to see if I've noticed a difference! You can tell Stephen loves what he does and his technicians are no different. read more

There were a bunch of miscommunications, but the owner, Stephen, got it resolved in a reasonable manner, and we're satisfied.

We've used Cornerstone since we bought a house in Ripon a little over 2 years ago. Quickly after moving in, we found roaches, beetles, pincher bugs, and spiders. Our bug problem went away after they started servicing our house. It was like an overnight change and such a relief. They always give a reminder call or email before the bimonthly servicing and most importantly we've been really happy with the results. We also get 10% off for paying a year in full up front which is a nice option. Would absolutely recommend them to others! read more

I was called back promptly, and steven was a good guy to deal with, and we got some good referrals for other issues that could arise. read more

Have alway used Harmon pest control. They had sprayed, done rodent control and fixed termite issues at our home and rentals. Alway prompt and and do great work. There prices are lower than most and I highly recommend there work read more

Stephen and his crew are the best! They always call the night before to remind me they're coming. They spray for all sorts of pests and also clean high, hard to reach cobwebs. The employees are polite and friendly. Great customer service! read more

Absolutely very happy with the service!!!! It works believe me no more problems if you're having headache to kill German roaches 100% satisfied and the workers very friendly and helpful read more

Wonderful customer service! Fantastic pest control. Got rid of all our pest issues. Pricing is fair and gives a call a day ahead before coming out so you can protect your pets and their food/water. read more

I chose to use Cornerstone Pest Management over Insect IQ because Cornerstone gives that personal customer service. They remember your name and always give you a phone call reminder the day before your service date. They also have great deals if you refer a friend/neighbor to try their service. I highly recommend them. read more

They started out fairly well when they received the business but that deteriorated. The service became subpar, the service cut corners (instead of spraying around the house, they did the front and left), they failed to return messages, they had poor follow-through for requests, etc. PROS: You get a discount if you pre-pay CONS: Cut corners, bad service Note: My backyard gate was not locked. There wasn't a pet issue. They just cut corners. read more

Nothing to complain about here these guys are absolutely awesome. Quick and dependable service everyone is easy to speak with if you need something. Not once did I have to leave a voicemail for anyone if I needed something there was always someone to speak with. The price is by far the best in Stan County probably the Central Valley and as a pet owner none of my pets ever had any problem after the treatment. Highly recommend hear guys to anyone. Thank you Cornerstone for being a great professional company to deal with, you set the standard for others to follow. Five stars for these guys best regards, Tom. read more

Ants started taking over my house one day so I called Cornerstone to help me out. Stephen responded right away and set up a service agreement to spray the outside of the house every other month. It only took a few days before the ants disappeared and they haven't been back since. Cornerstone has been a real pleasure to work with. Thanks Stephen! read more

Cornerstone is absolutely the best pest control services out there. The staff is by far one of the friendliest to deal with. I've been with them for many years and while the company has grown, the service has been and is, to this day, superb! If anyone is looking for a great pest service, look no further. A++++ thanks for taking care of us Steve. read more

The customer service with this company is phenomenal. I have seen a drastic improvement in our bug problems since becoming a customer about a year ago. I would recommend them to anyone looking for a pest control company. read more

Cornerstone pest has been servicing my house for almost 3 years now. I have recommended them to my friends and neighbors. Steve has been excellent to work with, the technicians are always thorough, they check with us each time they service to make sure there is nothing that needs to be addressed. I could not rate them any higher, excellent people! read more

Just had my second service done. The second month is free and right after the first month to really help kick off our pest control. Erik did our service today and he was very friendly and did a great job really getting all the spiderwebs. I've never had a problem getting ahold of anyone or having all my questions answered. I'm very happy with our decision to use cornerstone! read more

So I hired these guys last couple weeks ago I had one service with them today I scheduled them appointment well I couldn't schedule the appointment to keep it today because due to my mom she is very bad ill and I had to take her out of the house because they said we need a four hours to stay out of the house so I had nowhere for her to stay today because my sister was working so today I got a phone call from one of the guys saying what is the true to this story what's the b******* what's this he was very unprofessional very rude with me very bad service I mean he was the most rudest thing I ever seen in a business establishment whatever you do please beware of corner store pest control because they will really mess you up do not hire them if you have to pay extra pay extra because it ain't worth for their customer service because it really sucks and they will get mad and yell at you and say a whole bunch of crap do not hire them please beware read more

Great customer service and they get the job done. Had rodent and wasp problem and they took care of it. Would recommend to anyone who is looking for a great pest control company. read more

We have only had them come out one time but I was very impressed with the follow up to my initial request for a quote. I heard back immediately and all of my questions were addressed. They worked very hard to coordinate initial meeting times with us and they explained everything that we should expect. read more