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Business Details
41 Years
experience
Your Dream Custom Home Starts Here in St. Thomas
MP Custom Homes has been crafting superior custom-built homes in St. Thomas and surrounding areas since 1985. Our dedication to quality workmanship and materials ensures true value for every client's investment. With a legacy rooted in concrete expertise since 1972, our team combines decades of experience with modern building science to create personalized, energy-efficient homes. Our in-house design team collaborates closely with clients to transform visions into reality, offering tailored solutions that compete with tract-style builds. We specialize in constructing homes that reflect individual lifestyles while maintaining affordability for future generations.

Our process includes pre-purchase consultations, permit navigation, and comprehensive support from foundation to final details. As an award-winning builder, we prioritize client satisfaction through transparent communication and meticulous attention to detail. Our network of trusted trades and suppliers ensures seamless execution of every project, whether on client-owned land or through our inventory lots. We take pride in building not just houses, but enduring sanctuaries that withstand the test of time. This commitment to excellence has made us a trusted name in residential construction for over three decades.
Services
Custom Home Building Barndominium Construction Site Consultation In-House Design Warranty Services
Details
  • Year established: 1985
Highlights and features
  • 37 years of custom home building expertise since 1985
  • In-house design and interior decoration services available
  • Award-winning builder with time-tested construction methods
  • Comprehensive pre-purchase property consultation included
  • Network of trusted trades and suppliers for seamless builds
Associations and certifications
  • Tarion Warranty
Services
Custom Home Building
Design and construction of fully customized residences tailored to client specifications. Our process combines traditional craftsmanship with modern building science to create energy-efficient, durable homes. We handle all aspects from foundation work to final finishes, ensuring each home meets our high standards of quality and client expectations.
Barndominiums
Specialized construction of barndominiums combining durable metal framing with residential living spaces. We offer two distinct floorplan options that balance functionality with modern aesthetics. Our expertise ensures these structures meet all residential building codes while maintaining cost-effectiveness and longevity.
In-House Design
Comprehensive architectural design and interior decoration services provided by our experienced team. From plan modifications to complete custom designs, we work closely with clients to create functional, beautiful living spaces. Our designers ensure every detail aligns with both aesthetic preferences and practical building requirements.
Site Consultation
Pre-purchase evaluation of potential building sites to identify requirements and challenges. Our experts analyze factors like soil conditions, utility access, and municipal regulations to provide clear guidance. This service helps clients make informed decisions about property investments for future home construction.
Warranty Services
Comprehensive warranty support through our Tarion-certified programs. We provide ongoing assistance with warranty claims and maintenance issues during the critical first years of homeownership. Our dedicated warranty technician ensures prompt resolution of any concerns that may arise after project completion.
People
John Groeneweg
President / Owner
With construction experience since 1972, John brings decades of industry expertise to MP Custom Homes. His foundation in concrete work and framing provides invaluable technical knowledge that ensures quality in every project.
Jesse Nieman
Vice President / Owner
Jesse contributes extensive construction management experience to the leadership team. His hands-on background in residential building supports the company's commitment to quality craftsmanship and client satisfaction.
Jamie Knibbe
Site Supervisor / Owner
Jamie oversees daily construction operations with a focus on maintaining quality standards. His field experience ensures proper implementation of building techniques that align with MP's commitment to durable, well-crafted homes.
Ashley Bale
Interior Design
Ashley provides expert interior design guidance to help clients create beautiful, functional living spaces. Her design expertise ensures homes reflect both current trends and timeless aesthetics that suit individual preferences.
Jared Hynes
Drafting & Design
Jared specializes in translating client visions into detailed construction plans. His technical drafting skills and design knowledge support the creation of customized home solutions that balance creativity with buildability.
Questions
What types of homes do you build?
We specialize in custom single-family homes, barndominiums, and shop-style residences with both standard and fully customized designs available.
Do you build on client-owned land?
Yes, we offer complete custom home services for client-owned properties including site assessment, permitting, and full construction management.
What areas do you serve?
We primarily serve St. Thomas and London, Ontario with projects throughout surrounding Elgin County and Middlesex County regions.
Are your homes energy efficient?
Yes, we incorporate modern building science principles to create energy-efficient homes that meet current building code requirements and reduce long-term operating costs.
What warranty options are available?
All our homes include Tarion New Home Warranty protection as required by Ontario regulations, with additional support through our in-house warranty service team.
How long does construction take?
Custom home construction typically takes 12-18 months depending on project complexity, with quick possession options available through our current inventory.
Reviews (2)
Lionel Cregut
Jun 23, 2020 Report
We have tried getting a quote from MPCustom Homes and while other builders were more than happy to provide us with a quote, its been very difficult to get information from them. It is my understanding that they are a bit overwhelmed at the moment and are victim of their own success. I would recommend speaking to other builders as they seem more able to handle the number of people wanting to build houses. We visited the model home and thought the quality was nice and if you do choose to go with MPcustom homes ,you may have to be prepared to wait quite a while to get things moving. But if you do
Tom Kersten
Jun 15, 2020 Report
Custom home builder with excellent customer care, will build anything you want, beautiful finished products inside and out, making sure the customer is happy every step of the way, I have lived in 3 of their homes growing up, and am very excited to say that I am building with them in the spring