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State Farm® Insurance Agent

Diana Kostal

Diana Kostal Ins Agcy Inc

1410 E Capitol Drive
Milwaukee, WI 53211-1901

Opposite side of the street and east of Culver's. Between Morris and Woodburn.

Profile photo of a State Farm Agent named: Diana Kostal

Would you like to create a personalized quote?

Office Info

Office Hours

9am - 5pm
After Hours by Appointment
Call or text us 24 hours a day!


1410 E Capitol Drive
Milwaukee, WI 53211-1901


English, Spanish

Welcome to the official website of State Farm Agent Diana Kostal, your local Milwaukee agent for all your insurance needs. As the days grow longer and the weather gets warmer, it is a great time to insure your summer toys. To make sure you are prepared for any seasonal adventures and unexpected events, give the Diana Kostal State Farm Insurance office in Milwaukee a call to learn about how you can protect your boat, jet skis, motorcycle, RV's, ATV's and UTV's. Don't forget to discuss with us the importance of insuring your boat docks and lifts. Contact us for a free insurance quote today and ensure you and your family have a worry-free summer!

We would also like to draw your attention to the importance of protecting your loved ones with Life Insurance. Life Insurance is a crucial component of a comprehensive financial plan, providing security for you and your family. It acts as a safety net, ensuring that your loved ones are financially protected in the event of your passing. By having life insurance in place, you can have confidence that your family's financial obligations, such as loan payments, college tuition, and daily expenses, will be taken care of.

Already have a life insurance policy? No problem! We would be happy to review your existing policy so you can feel confident you don't have any gaps in your coverage. Give us a call today to schedule your in person or over the phone consultation!

Recipient of the Top Five Star Professional Insurance Awards for 12 years in a row in Milwaukee!

I have enjoyed serving my customers with State Farm for over 30 years. Our office serves as more than a mere location for obtaining coverage; it stands as a center of compassion, care, and guidance. Among the services provided are:

  • Car Insurance

  • Life Insurance

  • Business Insurance

  • Home Insurance

  • Renters Insurance

  • Motorcycle Insurance

  • Boat Insurance

  • Personal Liability Insurance

  • Condo Insurance

  • Snowmobile and ATV Insurance

We have almost 60 years of combined insurance experience between all of us working here. We pride ourselves in premier customer service. We have been awarded the Five Star Professional Award for Insurance Agents for 12 years in a row. We are here to provide personalized protection to you and your family. Give us a call or stop in for a free insurance quote in all of Metropolitan Milwaukee County, Ozaukee County, Racine County and Waukesha County.

Insurance Products Offered

Auto, Homeowners, Condo, Renters, Personal Articles, Business, Life, Health

Other Products

Banking, Annuities

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We cultivate an environment conducive to positive relationships and facilitating open communication. Your unique needs are acknowledged and catered to. Our services encompass Car Insurance, Home Insurance, Renters Insurance, and Condo Insurance, as well as coverage for Motorcycles, Boats, Life Insurance, and Health Insurance. Additionally, we provide options for Business Insurance and Business Auto coverage. Contact us for a complimentary quote. Proudly serving Metro Milwaukee, Shorewood, Whitefish Bay, Bayside, Fox Point, and neighboring areas.

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Business Insurance customers appreciate our comprehensive review of their insurance needs. We recognize individual needs & keep State Farm as the first choice for insurance. I have over 35 years of experience with State Farm & my office staff has an additional combined insurance experience of 50 years. We can offer insurance coverage for Metro Milwaukee for Auto, Home, Life, renters, business and Motorcycles. We are also proud to serve the surrounding areas of Shorewood, Whitefish Bay, Fox Point and Bayside. We are available for Ozaukee, Washington and Waukesha Counties.

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Kay Kirchner State Farm Agent Team Member

Kay Kirchner

Office Manager

I have worked in the insurance industry for 30 plus years. Joined Diana Kostal's team here in Milwaukee in February 2013. I am licensed in Auto, Home, Life, Health and with a focus on Business Insurance.

Sharey Rivera State Farm Agent Team Member

Sharey Rivera

Account Representative

I live in New Berlin. I have been around for 3 years and am Fluent in Spanish. I like to cook, be outside and read. I have a lot of family that lives in Puerto Rico. I am licensed in Auto Insurance and Home Insurance. Give me a call today for a free insurance quote.

Denise Schulz State Farm Agent Team Member

Denise Schulz

Account Representative

I have been involved in Customer Service for the last ten years and am now licensed in Auto Insurance and Home Insurance. Give me a call for a free Insurance Quote.