Kay-Bee Electric

Electrical Design & Build

Electrical Design & Build Solutions for Homes & Businesses in St. Louis County​

When it comes to powering your property safely and efficiently, you need more than just a quick fix—you need a complete electrical design and build service. Whether you're constructing a new building or upgrading your current system, our licensed team delivers smart, code-compliant electrical solutions from start to finish.

We proudly serve homeowners and business owners across St. Louis County, St. Charles County, Jefferson County, and the surrounding areas.

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What Is Electrical Design & Build?

Electrical design and build is a full-service approach to electrical construction. Instead of hiring multiple contractors, our team handles every phase of your project:

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Applications We Handle at Kay-Bee Electric

Our electrical design and build services are ideal for:

  • New home builds and custom homes
  • Commercial spaces like retail shops, offices, and warehouses
  • System upgrades and retrofits
  • Electrical layout planning for HVAC systems
  • Energy efficiency improvements and smart system integration

Code-Compliant, Future-Ready Electrical Systems

We don’t just build for today—we design for tomorrow. All our work complies with the National Electrical Code (NEC) and local regulations, ensuring your system is safe, up to code, and built to grow with your needs.

For more on NEC guidelines, visit the National Fire Protection Association (NFPA).

You can also explore residential and commercial electrical safety resources at Electrical Safety Foundation International (ESFI).

What Clients Say?

Take a Look at Their Stories

Recent storm damage, neighbors tree ripped out the main utility line as well as my 100amp original service, Steve was cool calm and worked hard to get me running. Kaybee is the bees knees! Always there in a pinch. Easy recommend!
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Mark S.
Had a 220V outlet installed outside of my house for EV charging along with some breakers being switched out. Our tech couldn’t have been better, he was knowledgeable and honest. Was in and out no problem! Thanks!
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Matt R.
Bob was professional & respectful! We've never had ceiling lights or fans in our girls rooms. Now we do and he did fantastic! Thank you again to the office staff as well prompt and very helpful!
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Kori R.
Great electrical contractor. Responsive, friendly, worked quickly, arrived on time. Couldn't say better things!

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Ashley G.
I went inside of business. The receptionist was very pleasant and clear. Electric issues at my house. She pointed me in the right direction . Ameren took care of my issues. I appreciate their help and greatly appreciate the honesty.
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John M.
Bob was reliable and did a great job!! Would recommend Kay Bee Electric for quality work.
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Ann Z.

Our Service Locations In St. Louis Area

Jefferson County

Ready to Power Your Project?

Let’s make your electrical system smarter, safer, and built to last. Whether you’re planning a new or upgrading an existing system, our professional electricians are here to help.

👉 Contact us today for a free estimate and discover how seamless your electrical design and build project can be.

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