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Top-Rated Custom home builders in Union - Updated Nov 2026

WHL CONSTRUCTION, INC.
New to Angi
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Serving Union, MI and surrounding areas

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In business since 2010

Credit card accepted

Welcome to WHL CONSTRUCTION, INC! Family owned and operated with over 30+ years of experience in the industry! We take pride in the quality of our work and customer satisfaction we give each and every customer! We are known to pay exquisite attention to detail, while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

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Cosey Construction Company, LLC
New to Angi
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Serving Union, MI and surrounding areas

In business since 1998

Cosey Construction Company is the premier custom builder in the area. We offer a wide range of services from a small remodel to a full custom home. If you are in need of a company that cares about you and what you want, we are here. Our professional employees are here to help with each and every aspect of your project. From the foundation to every finishing touch, we will complete the job and will not stop until you are happy. Call today for an estimate!

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B&T Construction Company Corporation
New to Angi
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Serving Union, MI and surrounding areas

In business since 1993

Free estimates

B & T Construction Company Corporation is an owner operated company that been in business for 14 years. We offer friendly, accurate and affordable services. We specialize in custom home construction. \n \nMy business is based on taking care of our customers and a guarantee of customer satisfaction. B & T Construction Company supports a wide range of residential services in the Jackson, Lenawee, Livingston and Washtenaw Counties. \n \nVisit our website listed above for more pictures and information. Please call us today for your free consultation & let Virtual Reality show the Reality of your new home!!

Goss Home Services
New to Angi
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Serving Union, MI and surrounding areas

In business since 2018

Free estimates

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

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Custom Home Builders FAQs, answered by experts

A custom home is one that you design from the ground up, allowing you to customize everything from the square footage to the interior layout to all of the materials used. A spec home is one that a builder has designed and gotten approvals for. Spec homes may give you some limited options for the layout and materials, but most of the build is pre-set. Custom homes cost more and take longer to build.

An A-frame home can be cheaper to build than a traditional house, but that is not always a given. Prices can be fairly similar in some cases, depending on the location, design, and necessary site preparation. Costs for an A-frame typically run between $100 to $200 per square foot, which is comparable to the cost of a traditional home. The cost of an A-frame can come in under those numbers if you opt for a prefabricated kit.

No, a structural engineer is not the same as a builder. A structural engineer is an expert in all things related to the structural integrity of a building. The structural engineer is responsible for calculating the correct materials in terms of load-bearing capacity and overall structural safety. Structural engineers do not perform the actual building of the house or other structures. Rather, the builder executes the plans and designs specified by the structural engineer.

Building a house without blueprints is not advised. It will prevent you from obtaining necessary building permits and meeting building codes and is likely to result in shoddy construction and unsafe living conditions. Detailed blueprints ensure that a house is built to exact specifications and is constructed safely and structurally stable.

Above all, the downside to building a new house is a longer timeline. You need several months to finish the build, depending on the supply chain and labor availability in the meantime. Building a home compared to buying one is also more expensive, both in the building process and when it comes to mortgage rates and property taxes.

The Union, MI homeowners’ guide to custom home building

From average costs to expert advice, get all the answers you need to get your job done.