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

WHL CONSTRUCTION, INC.
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Serving Union, MI and surrounding areas

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In business since 2010

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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

Local regulations dictate how big an ADU can be, and there may also be restrictions on the percentage of the main residence’s square footage an ADU can have. In most cases, an ADU must be smaller than the main residence, but check with your local building authority to confirm restrictions on ADU size.

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.

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.

A construction manager is particularly useful in the case of a large-scale build with custom design elements, so it’s usually worth it to hire one. They can help manage your budget, maintain quality control, oversee timelines, and navigate unexpected hurdles. While construction managers are pricey, they can actually save money in the long run by identifying cost-saving opportunities and ensuring the project stays within budget.

Shipping container homes last at least 25 years on average, but they can last even longer with proper maintenance. Since shipping containers are made from metal, they’re quite vulnerable to rust and corrosion. This issue is exacerbated in coastal areas or areas with a lot of precipitation. To extend the life span of your container home, install siding that protects the exterior. 

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.