State Farm® Insurance Agent Diana Kostal

"Diana Kostal is super helpful, easy to reach, and genuinely kind. Claims process is straightforward. Would definitely recommend!"

"Couldnt be happier with the outcome from the help received from Diana following a claim. Highly recommend their excellent services."

"iDental has been using Diana Kostal State Farm agency for over 9 Years and we have MANY policies with Diana Kostal State farm. Diana has personally helped me when issues arrived, and she has helped me pick the right coverages for the policies. We have been very satisfied by the coverage and advice we have received over the years."

"simply amazing!"

"Thank you for helping us out!"

"The Diana Kostal Agency is awesome! So very helpful and professional. They will take good care of you! It’s always a pleasure to work with them."

"I have been a State Farm customer for a few years now and have always had a good experience. Diana and her team are very professional, kind, and helpful. Thanks, Kay Kirchner for the very helpful tip on life insurance and solving my automatic payment issue!"

"We have been satisfied State Farm customers for many years, working with Diana Kostel and her staff for most of that time. Recently they came through for us again. During Thanksgiving week, we decided to purchase a new RV. Despite the holiday week scheduling, Kay, Sue and Diana received my emails and phone messages and arranged for insurance coverage by the time of our closing.

As always, the State Farm Diana Kostel agency provided us great service."

"We have worked with Diana Kostal's office for three years now and have nothing but good things to say about the communication and service. Highly recommend!"

"Diana Kostel State Farm agency is awesome. The whole team. Each and every time I call (which is a lot) they get back to me in a timely manner and never rush me. I can't imagine going elsewhere."

"We are new customers of this remarkable agency, and had an auto insurance claim within a few weeks. The staff in the claims department were polite, considerate, and prompt in all communications by phone, text, and email. Compared to other agencies we have worked with over the years, Diana Kostal Agency is right at the top. Additionally, we were guided by the office manager, Kay, during our initial meetings to determine the coverages we need, and then through the claims process. She is someone we trusted immediately. We recommend this agency without reservation."

"The Diana Kostal Agency is knowledgeable, friendly and has always taken the time to care. They are responsive and took the the time explain the policy options and details. It is no wonder that I have worked with the agency for over 20 years. I highly recommend new and experienced insurers work with this agency."

"First off State Farm price gauges targeted demographics from wealthy areas. Secondly when I asked Diane and people from her office to help find ways to help lower my cost they did absolutely nothing, like it wasn’t their job to provide customer service. All they care about is lining their pockets. Find other agents and insurance providers."

"Working with Kay on Diana's team was incredibly easy, and super informative! As a new entrepreneur, I was overwhelmed with finding a small business insurance that would work for what I needed, and Kay took the time to learn about me, my business, and how she would be able to best support me. I am so glad to have gotten connected with her and the Diana Kostal team, and would highly recommend working with them!"

"The tall ceilings welcome into a grand room and the lights were just right to create a special night."

"Diana was very helpful in providing a solution for a new resident at Saint John's On The Lake."

"Friendly service"

"I have auto insurance through them and Kay does an amazing job explaining everything"

"Have my life insurance with Diana's office. Great service and always helpful. Alex, one of Diana's team members, is especially great to work with. Very professional and meets me on a personal level."

"If you’re looking for an agent that has your best interest in mind, Diana isn’t it. I was a customer from 2019-2023 for my auto, renters, and eventually homeowners insurance. The majority of my issues were miscommunications, nothing to get bent out of shape over. I then bought my first home which I knew needed a new AC unit, and her office encouraged me to make a claim through their Home Systems Protection (home warranty). They falsely led me to believe that since the HSP is through a separate company, it was as if it were totally separate from making a homeowners claim and assured me there would be no penalties or detriment for doing so. Even when I made a second claim within a few months using the HSP for my furnace, not a word of caution was given to me. What they failed to mention was that the claims do in fact get processed through State Farm, thus getting stamped on your record. Recently I started checking to make sure I had a competitive rate on my homeowners policy and realized that I was labeled ‘high risk’ and most companies wouldn’t insure me because of my claim history, (2 HSP claims that both got denied and a $500 claim from a stolen bike in 2019 through my renters insurance). When I finally got Diana on the phone and asked her what she knew about my situation, her response was ‘I know you’re shopping around for new insurance’. She didn’t even pretend to help me resolve my situation and I was on my own to get it figured out. I got a superficial apology and she told me that she was basically a middle man for corporate, and that there was nothing she could do. This resulted in weeks of headache and work trying to get my situation and ‘high risk’ status cleared up and shopping for a company that would insure me. All from two denied claims for a furnace/AC and a stolen bicycle. As a new homeowner, given how much support I had from my experience not even having to make a true claim, I certainly would not have any faith in her being in my corner if something terrible happened."

"Alex was wonderful helping sort through our policies, he is very knowledgable & explained everything very well! He is always very quick to respond and help!"

"Great service. Friendly people. Very knowledgeable about insurance needs and coverages. Strongly recommend this State Farm agency!"

"Recently had a very positive experience with Kay Kirchner at the Diana Kostal State Farm Insurance Agency, involving Landlord insurance. She stepped in and quickly resolved a temporary communications break down. She was knowledgeable, patient, professional and promptly addressed my service issues. She's an excellent representative of the State Farm Brand."

"The Diana Kostal Agency was outstanding in saving me a TREMENDOUS amount of money in the area of car insurance as well as an umbrella policy this past year!!! I also want to give a big shout out to Kay Kirchner who kept me off the "ledge" so to speak, and provided our family with great service as well searching and finding a great insurance package for us! I now have bundled everything that I need to be insured with State Farm and The Diana Kostal Agency! The personal attention to detail was amazing as well as Kay's ability explain the benefits of bundling all of our insurance needs together, was a win win!! Thank you Kay and Diana!!!"

"During our first meeting with Kay K, she explained how to best design our HOA policy and Unit policy. We are so impressed with her knowledge and ability to explain the legalese of insurance documents, that we also changed our auto, boat and umbrella to State Farm.
Very glad we found and now work with Kay."