State Farm® Insurance Agent Greg Kostuk
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Our customers are the center of our universe and we’re grateful for them. If you’re willing to share your experience about your interaction with our agency, it’ll be a great help for other people looking to make smart and confident decisions about their insurance and financial services.
Take 60 seconds (or more if you want) to share your story by clicking on one of the review links below.
What our customers say about us...
N D
June 19, 2026
"Jacob demonstrated awesome service skills by following up with me to make sure I had the best coverage at the lowest price!
He got me excellent full coverage with uninsured motorists for less of a monthly premium than my previous independent broker could do, even with their ability to shop rates at multiple brokers.
Would def ask for Jacob if you’re considering even seeing what the market is offering. His professional, no pressure guidance may end up saving you money"
Penny Walsh
June 13, 2026
"Amber was great to work with. Easily accomplished what we needed and got it done for us very quickly! Really appreciated her help."
Ryan Hackbarth
June 5, 2026
"Some (not I of course) may say that insurance can be lack luster. Well, they have obviously never met, the man, the myth, the legend, the Justin Miller. Like a good neighbor he saved me a boat load of money and made the process almost enjoyable. Justin must be short for Just-Do-It-Already because I don't know why I did not do this sooner! Maybe it was because I was waiting for Justin. The Key Master to My Gate Keeper, unlocking a new future for the both of us."
Matthew Hughes
June 5, 2026
"Justin was very friendly, helpful, and detailed in finding us the best rate around. Much appreciated."
Haylee Simpson
June 5, 2026
"Justin Miller was very helpful and friendly. He provided all of the details necessary for my inquiry with outstanding customer service. I would recommend his services to family and friends."
Celine torres
June 2, 2026
"Justin is so kind and helpful! Im a busy working mom and he was VERY accommodating with my time and helped me with any all questions I had! He made buying insurance not so boring and miserable. You can tell her truly loves what he does and hes good at it too!"
Luna Isere
June 2, 2026
"Adam Johnston was very helpful, and the process for getting a lower quote for my car was timely, in only a 10 minute call I was able to save an extra 15$ a month. Thank you for your professionalism!"
Aissa Franks (Issa)
May 29, 2026
"Maddie was very kind and patient with me while I asked several questions and different quotes. Had a great experience and got to save $150 from my last plan."
Phil Graham
May 29, 2026
"Adam was great to work with and cut my insurance prices in half with better coverage."
"Thank you for the awesome review! We’re thrilled Adam was great to work with and helped cut your insurance prices in half while also improving your coverage.
- Greg Kostuk Insurance Agency"
Leah Dominguez
May 28, 2026
"Justin really helped me on my new mortgage insurance."
"Thank you! We're glad Justin made the process easier for you. If you need anything else with your coverage, we’re here anytime.
- Greg Kostuk Insurance Agency"
Lee le
May 26, 2026
"Jacob Turbett, great rep. He's been someone I've worked with for a while. He's super patient, provides great detail so you know what your getting yourself into."
"Thank you for the great review! We’re glad Jacob has been such a reliable representative for you and that his patience and detailed explanations make everything clear.
- Greg Kostuk Insurance Agency"
Sandra Kregar
May 26, 2026
"Justin was very friendly and helpful. He took time to fully answer all of my questions."
"Thank you for the great review! We’re glad Justin was friendly and took the time to fully answer all your questions. Your feedback means a lot.
- Greg Kostuk Insurance Agency"
Kellan Callahan
May 21, 2026
"Justin was super helpful and willing to make any of my needs work for me. I got a better rate with better deductibles. He was on top of contacting me but was not pushy."
"We appreciate your feedback. It’s wonderful to hear you felt supported and that Justin kept in touch in a timely way throughout the process.
- Greg Kostuk Insurance Agency"
christopher vasquez
May 21, 2026
"Brian & Jacob went above and beyond, great reps & I couldn’t be happier 10/10. They truly answered my questions and saved me a ton!"
"Thank you for the amazing review! We’re so glad Brian and Jacob went above and beyond with answering your questions and helping you save a ton. We truly appreciate the 10/10 rating!
- Greg Kostuk Insurance Agency"
Jenna Feldmiller
May 20, 2026
"Justin at State Farm was fantastic to work with! He was knowledgeable, patient, and took the time to answer all of our questions thoroughly. He made the entire process easy and stress-free, and even helped us save money on our coverage. We really appreciated his professionalism and willingness to help. Highly recommend working with Justin if you’re looking for great service and someone who truly cares!"
"Thanks for sharing your experience! Justin will be glad to know you felt supported throughout the entire process. We’re glad he was able to answer everything thoroughly and help you find better coverage at a lower cost. We’re here anytime you need us.
- Greg Kostuk Insurance Agency"
Martinez Deisy
May 20, 2026
"Justin Miller was amazing. Highly recommend for any Insurance needs."
"We appreciate your kind words! It’s wonderful to hear Justin was helpful for your insurance needs. Thanks again for recommending us.
- Greg Kostuk Insurance Agency"
Susan B
May 20, 2026
"Maddie Saito reviewed my policy with me yesterday and suggested a few upgrades to make it current with today's costs. I appreciated her time and expertise. Thank you Maddie"
"We’re happy to hear Maddie was helpful and knowledgeable during your policy review. Thank you for trusting us and for taking the time to share your experience!
- Greg Kostuk Insurance Agency"
Casey Sams
May 15, 2026
"Justin was amazing to work with!!!! So helpful and saved me some $ highly recommend you give him a call!"
"Thank you for the wonderful review! We’re so glad Justin was helpful and found ways to save you money. We appreciate your recommendation!
- Greg Kostuk Insurance Agency"
Chasten Rogge
May 15, 2026
"I worked with Jacob who was very easy to communicate with via email and calls. He was informative on what our policy meant and was quick to help with quotes. It was an easy switch from my prior auto insurance carrier and at a much better price!"
Nate Fluharty
May 13, 2026
"Justin was very helpful and was able to save us some money. Thanks for your help"
Brandy Garcia
May 13, 2026
"I used ro have state farm awhile ago and I switched because the representatives were out of touch but after receiving a call today and talking to Greg and Zach I've decided to go back because they gave me an amazing rate and amazing customer service, Greg went over all the different policy items in great detail and made everything make more sense for me so I added more coverage that I was missing out on, id highly recommend them to anyone looking for new insurance"
Nathan Seldomridge
May 11, 2026
"Very happy with service provided by Jacob, and his extra efforts to document factors on my policy which will save me money. I would recommend this agency."
Mike Lechicki
May 8, 2026
"Great experience
Fast business over the phone when I needed"
Nae'sLoveCharms PC
May 1, 2026
"Justin was amazing was very helpful and resourceful for my needs. Also incredibly accommodating!"
Jonathan Bauder
April 29, 2026
"Justin Miller made the entire insurance process feel easy and genuinely personal. From the start, he took the time to clearly walk us through the benefits of bundling our new home and auto policies, making sure we understood every detail without ever feeling rushed or overwhelmed. His guidance ended up saving us thousands of dollars, which honestly exceeded our expectations.
What really stood out is how approachable and invested he is—it's reassuring to know we have a local representative we can trust as our needs evolve over time. Justin goes above and beyond, and it shows. We couldn’t recommend him more highly!"