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...
Brandee Goings
December 16, 2025
"Heather, Ashley ,Nestor all do there best to help answer any of my questions. There great"
Jase Diblasi (miniblaz24)
December 16, 2025
"Justin Miller was extremely helpful taking the time to actually explain insurance to me which was cool"
Pat Langdon
December 11, 2025
"Very positive experience with Justin!"
"Hi Pat! Thank you for sharing your positive experience. Please reach out if you ever need anything! - Greg Kostuk Insurance Agency"
Breena I
December 4, 2025
"Amber was very helpful and answered the many questions I had about adding my 16 year old to our car insurance. She worked hard to get us the best rate!"
"We're happy to hear Amber provided thorough answers and helped secure a great rate for your car insurance. Thanks for sharing your positive experience! - Greg Kostuk Insurance Agency"
Sara Copeland
December 3, 2025
"Justin has been great to work with! He set me up with the coverage I needed quickly and continues to respond promptly to needs as they have arisen after all policies were in place. I highly recommend working with this office!"
"We’re thrilled that Justin has provided you with excellent service from start to finish. Your recommendation means a lot to us, and we’re always here to help with any needs that come up! - Greg Kostuk Insurance Agency"
Beth Carter
November 23, 2025
"Amber took the time to furnish me with copies of my renewal card and declarations. She was friendly and helpful. Lisbeth Carter"
"It’s wonderful to know Amber provided friendly and helpful service. Thanks for sharing your experience! - Greg Kostuk Insurance Agency"
Jason Dimelow
November 21, 2025
"Mike Sena was great, got me a lower rate. Thanks!"
"Thank you for your feedback! We're glad Mike was able to secure a lower rate for you. We appreciate your trust and are here if you need anything else! - Greg Kostuk Insurance Agency"
Mark Pugliese
November 21, 2025
"Very helpful great working you Steve great job thank you"
"We’re happy to know that Steve provided great help and service. Thanks for taking the time to share your positive experience! - Greg Kostuk Insurance Agency"
Sid Farber
November 13, 2025
"My experience working with them has been excellent. Mike Sena is always there to answer my questions and help me get the best deal!"
"It’s wonderful to hear that Mike has been there to answer your questions and assist you every step of the way. We appreciate your positive review and are here whenever you need us! - Greg Kostuk Insurance Agency"
Andrew Shirk
November 13, 2025
"Mike is the man, always helping me out!"
"We’re happy to hear Mike has been consistently there for you! Thanks for sharing your positive experience. - Greg Kostuk Insurance Agency"
Nathan Mccoy
November 12, 2025
"Justin was on top on my questions. I sent an email requesting some info and he called promptly and was able to answer all my question and get me the documents I needed."
"It’s wonderful to hear that Justin was so attentive and helpful with your request. Thank you for sharing your experience! - Greg Kostuk Insurance Agency"
Diane
November 11, 2025
"Zach, the office manager, is a magician!! He figured out how to reduce our daughter’s rate by over 25%! I spoke to another person and they weren’t able to do this. So, always, ALWAYS ask to speak with Zach as he definitely has your back!😉 P.S. I highly recommend this Agency for their outstanding service!"
"It’s fantastic to hear how Zack went above and beyond to find savings for your daughter. We appreciate you highlighting his dedication and your recommendation of our agency. We look forward to continuing to support you! - Greg Kostuk Insurance Agency"
Saul Silva
November 11, 2025
"Straight to the point, real easy communication and explanations. Goat"
"Thank you for your kind words. We look forward to serving you in the future! - Greg Kostuk Insurance Agency"
Kimberly G
October 31, 2025
"Zack was fast to act and help us with our needs. I have used State Farm for over 40 years exclusively and they have never disappointed me. I would highly recommend!"
"It’s wonderful to hear that Zack was able to help you so quickly and that State Farm has consistently met your expectations over the past four decades. Thank you for your continued support and for recommending us to others! - Greg Kostuk Insurance Agency"
Todd Threw
October 30, 2025
"Jacob was extremely helpful throughout the whole process. He was very engaging and informative in adding home insurance for our new home. He kept me up to date on what was needed from the start."
"Thank you so much for your kind words! We're thrilled to hear that Jacob was able to provide you with engaging and informative support throughout your home insurance process. We appreciate your trust in us and wish you all the best in your new home! - Greg Kostuk Insurance Agency"
Kassie Little
October 29, 2025
"Justin was great with helping us get our coverage transferred from Massachusetts to Colorado. Thank you for your support!"
"Thanks for your kind words! We’re glad Justin made your coverage transfer easy. Let us know if you need anything else! - Greg Kostuk Insurance Agency"
John
October 20, 2025
"Amber did a great job w my claim"
"Thanks so much for your kind words! We’re really happy to hear that Amber took great care of your claim. If you ever need anything else, just give us a shout! - Greg Kostuk Insurance Agency"
Christine Hunter
October 16, 2025
"Justin made this so easy!!! Thank you"
"We're so glad to hear Justin made everything easy for you! Thank you for your kind words. - Greg Kostuk Insurance Agency"
Dana H
October 15, 2025
"Great experience working with Justin! Found all the ways to get me the best rate and best coverage on my new home purchase!"
"We're thrilled to hear about your great experience with Justin! Helping you secure the best rate and coverage is our top priority. Congratulations on your new home! - Greg Kostuk Insurance Agency"
Virgilio Balmori
October 9, 2025
"Amber Cantu did a great job! She was professional, friendly, and made the whole experience smooth from start to finish. Her customer service skills are excellent — she really takes the time to listen and make sure everything is done right. Highly recommend working with her!"
"We’re happy to hear Amber’s customer service made a positive difference from start to finish. Thanks for sharing your great experience! - Greg Kostuk Insurance Agency"
WalkerParker
October 9, 2025
"Jacob Turbett, along with the entire Kostuk office, has been nothing short of incredible to work with. They are all so kind and work really well as a team. Jacob has went above and beyond in getting our new policies setup, with the best customer care we have experienced. Thank you guys!"
"Thanks so much! It’s great to hear Jacob went above and beyond and that the whole team made a positive impact. We truly appreciate your kind words! - Greg Kostuk Insurance Agency"
Mao Lachis
October 9, 2025
"I mean Jacob was the most helpful agent I could have asked for, he answered all my questions and made everything understandable. Thank you again."
"Thank you for your kind words! We’re glad Jacob was able to answer all your questions and make everything clear. We appreciate your trust! - Greg Kostuk Insurance Agency"
Bryan Applegate
October 8, 2025
"Zack was very helpful and thorough. I would highly recommend working with him."
"Thank you for your kind words! We’re glad Zack provided helpful and thorough service. We appreciate your recommendation! - Greg Kostuk Insurance Agency"
Tori Carlson
October 7, 2025
"Greg was the most helpful agent. Truly wanted to help get me everything I needed and answered all of my questions and then some ."
"Thank you for your kind words! We’re glad you received thorough and helpful service. We appreciate your trust! - Greg Kostuk Insurance Agency"
kristie Hays
October 6, 2025
"Justin was fantastic to work with! Very easy to get quotes from and very knowledgeable!"
"Thank you for your kind words! We’re glad Justin made the process easy and provided knowledgeable service. We appreciate your support! - Greg Kostuk Insurance Agency"