Top 5 Home Addition Contractors in Lansing, Michigan
February 25th, 2026
4 min read
Planning a home addition can be exciting but also overwhelming. Whether you want more space for your family, a sunroom to enjoy Michigan’s seasons, or a main-floor bathroom for easier access, it helps to know what good home addition services look like.
At Custom Built Design & Remodeling, we’ve spent 20 years guiding families in Lansing and nearby areas through every step of the home addition process. From design and permits to construction and finishing touches, we know what makes a project successful. This guide gives you a clear look at your options so you can compare services, designs, and contractors with confidence.
In the sections below, we’ve highlighted five home addition contractors in Lansing, with a Google Rating above 4.0 stars and an office location (in alphabetical order):
- Custom Built Design & Remodeling
- K. Fedewa Builders
- Key Builders Inc.
- Odd Fellows Contracting
- RL Rider Remodeling
1. Custom Built Design & Remodeling

Founded: 2004
Headquarters: Okemos, MI
Areas Serviced: Greater Lansing Area and Greater Northern Michigan
Remodeling Expertise: Home Additions, Decks/Porches/Patios, Kitchens, Bathrooms, Finished Basements, Whole Home Renovations, Outdoor Living Spaces
Why they make the list:
Since 2004, Custom Built Design & Remodeling has helped Mid-Michigan families improve their homes with high-quality remodels and home additions. Whether it’s a sunroom, kitchen expansion, main-floor bathroom, or a full second story, their additions blend seamlessly with your home and lifestyle.
What stands out:
Each project starts with a detailed design phase, including 3D renderings so homeowners can see the space before construction begins. This ensures the addition looks great and works well.
Custom Built’s licensed full-service design-build firm handles every step, from planning and permits to construction and final inspection. Their precise craftsmanship and family-focused approach make the process smooth and stress-free.
2. K. Fedewa Builders

Founded: 1959
Headquarters: St. Johns, MI
Areas Serviced: Greater Lansing Area
Remodeling Expertise: Decks, Kitchens, Bathrooms, Home Additions, Basement Finishing
Why they make the list:
K. Fedewa Builders stands out for its local expertise and personalized service. They excel in transforming challenging spaces into functional, stylish home additions that reflect the homeowner’s lifestyle and design goals.
What stands out:
The team is known for its problem-solving ability and dedication to quality craftsmanship. From maximizing storage and natural light to creating flowing layouts, K. Fedewa Builders ensures every detail is considered, resulting in home additions that are both practical and visually appealing.
3. Key Builders Inc.

Founded: 1996
Headquarters: Grand Ledge, MI
Areas Serviced: Greater Lansing Area | Albion | Eaton Rapids | Sunfield | Portland | Springfield | areas in between
Remodeling Expertise: Decks, Kitchens, Bathrooms, Home Additions, Basement Finishing, New Homes
Why they make the list:
Key Builders Inc. earns a spot for its versatility and experience handling a wide range of remodeling projects, from full-home construction to specialized home additions. They are known for their collaborative approach and ability to manage complex projects efficiently.
What stands out:
Key Builders focuses on creating spaces that flow naturally with the existing home layout. Their attention to detail in both design and construction ensures that each addition maximizes function without sacrificing style. Homeowners can expect open communication and a process that balances aesthetics, durability, and long-term usability.
4. Odd Fellows Contracting

Founded: 1988
Headquarters: Williamston, MI
Areas Serviced: Greater Lansing Area | DeWitt | Bath | Perry | Williamston | Okemos | East Lansing | Mason | Holt | Dimondale | Charlotte | Grand Ledge | Eagle
Remodeling Expertise: Decks, Kitchens, Bathrooms, Home Additions, Basement Finishing
Why they make the list:
Odd Fellows Contracting is recognized for its ability to combine design expertise with hands-on construction skills. They are committed to creating custom solutions that meet homeowners’ needs for both function and style.
What stands out:
The team emphasizes collaboration, utilizing 3-D modeling and detailed planning to ensure the finished addition complements the home perfectly. Odd Fellows balances modern technology and craftsmanship to deliver practical, visually striking spaces that elevate daily living.
5. RL Rider Remodeling

Founded: 1924
Headquarters: Lansing | East Lansing | Haslett | Okemos | Diamondale | Dewitt | Grand Ledge | Mason | Holt | Williamston | Portland | Bath | Eaton Rapids
Remodeling Expertise: Home Additions, Decks/Porches/Patios, Kitchens, Bathrooms, Finished Basements, Whole Home Remodeling, Aging-in-Place Renovations
Why they make the list:
R.L. Rider helps Mid-Michigan families enhance their homes with quality remodels and additions. From sunrooms and garages to small bump-outs or full second stories, they create additions that feel like a natural part of your home.
What stands out:
Each project starts with careful design and planning to meet your family’s needs and match your existing home. Their design-build process keeps you involved from start to finish, ensuring a functional, beautiful, and lasting result.
With nearly a century of experience, R.L. Rider is a trusted choice for home additions in Lansing and nearby communities.
Next Steps to Building Your Home Addition
Choosing the right home addition contractor is one of the most important steps in expanding your living space. The right partner ensures your project is safe, functional, and enhances your home’s value.
From garages and sunrooms to full second-story additions, the contractors on this list bring experience, design expertise, and a commitment to quality.
Custom Built Design & Remodeling has been serving the Greater Lansing area since 2004, guiding homeowners through every stage of home additions with precision, care, and a family-focused approach.
Review your project goals, explore the contractors highlighted here, and schedule consultations to find the team that best aligns with your vision, budget, and timeline.
Now that you know more about the top home addition contractors in Lansing, let’s explore how to build an addition for aging-in-place, how much your project will cost, and how to upgrade your home addition:
- How To Build a Home Addition for Aging Parents in Michigan - Discover how to build a home addition that is comfortable and exciting for your golden years.
- How Much Does a Home Addition Cost at Custom Built? - Explore the costs behind the home additions you just learned about, complete with essential factors influencing the price.
- 5 Top Ways to Upscale Your Home Addition in Lansing, MI - From heated flooring to skylights, this article explores how to elevate your home addition and create an elegant living space for years.
Michael brings over 2 decades of building and remodeling experience to his position as the Owner and Visionary of Custom Built. Michael’s passion to make an impact on the home building industry has led him to serve for over ten years at the local and state Home Builders Association, culminating as President of the HBA of Michigan in 2020.
