About

At
CSM
Design
Build,
we
create
exceptional
living
spaces
that
blend
quality,
efficiency,
and
style.
And
with
over
25
years
of
combined
expertise,
we
bring
visions
to
life.
At
CSM
Design
Build,
we
create
exceptional
living
spaces
that
blend
quality,
efficiency,
and
style.
And
with
over
50
years
of
combined
expertise,
we
bring
visions
to
life.

The Why

CSM Design Build turns strategic land opportunities into high-performing residential communities through over 25 years of combined industry experience. Powered by an integrated in-house team and strong partnerships, we deliver efficient, market-ready projects that drive stability, growth, and investor value.

Vision

Our vision is to scale CSM Design Build into a premier regional developer known for shaping modern, attainable communities that outperform market expectations. By leveraging integrated in-house expertise and disciplined execution, we are committed to delivering developments that drive long-term investor returns while enhancing the quality and vibrancy of the communities we serve.

A Message
from our President

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Cras elementum dignissim enim, vel condimentum augue molestie at.

– Mark Gauthier, President

Solving Housing Shortages

CSM Design Build is well positioned to help address London’s housing shortage by delivering thoughtfully planned, efficiently built residential communities that add meaningful supply where it is needed most. 

Our streamlined design-build approach reduces delays, shortens construction cycles, and ensures each project meets the city’s growing demand for attainable, high-quality housing that supports long-term neighbourhood growth.

For investors, this disciplined model creates a strong foundation for stable and attractive returns. 

By focusing on strategic land opportunities, optimized site layouts, and value-focused construction practices, CSM protects project margins and drives predictable performance. This balanced approach ensures that each development contributes to the city’s housing needs while delivering clear, measurable value for our investment partners.

The Opportunity

London’s growing housing shortage presents a clear opportunity to deliver efficient, attainable residential communities that meet real demand while generating strong, predictable returns for investors.

Market Demand

London is experiencing one of the strongest periods of population growth in Ontario, creating a sustained demand for new residential supply that far exceeds current development capacity. 

With rising immigration, increasing student populations, and a growing workforce attracted by the city’s economic diversification, the need for attainable, well-built housing has never been higher. Vacancy rates remain low and absorption rates for new builds continue to perform, signalling a clear opportunity for projects that can be delivered efficiently and at scale. This environment positions residential development as both a market necessity and a high-potential investment landscape, where well-executed communities can meet real demand while achieving strong, predictable returns.

Stacked Townhomes

Southdale Crossing

341 Southdale

High Rise Apartments

White Oak Heights

730 Bradley

Stacked Townhomes

Southdale Meadows

1236 Southdale

High Rise Apartments

South Grove Place

1047/1055 Dearness

Discover Your Home

Explore our premier developments coming soon to four incredible locations in London.  With both townhome and high-rise options to choose from.

Driven by meticulous design and strategic partnerships combined with our in-house team of skilled professionals, we focus on adding lasting value and shaping thriving neighbourhoods. This upcoming development is sure to catch attention with its prime location to healthcare, retail, community centres, trails and parks and distance to Highway 401.

Client
Testimonials

Your trusted building partner, combining deep industry knowledge, strong connections, and efficient project management.

"CSM Design Build continues to impress us with their industry knowledge, strategic planning, and dedication to excellence. Their ability to manage construction, budgeting, and logistics with precision has made them an invaluable partner. Their team is always professional, communicative, and committed to delivering top-notch results. We look forward to many more successful projects together!"
David A.
Real Estate Developer
"CSM Design Build continues to impress us with their industry knowledge, strategic planning, and dedication to excellence. Their ability to manage construction, budgeting, and logistics with precision has made them an invaluable partner. Their team is always professional, communicative, and committed to delivering top-notch results. We look forward to many more successful projects together!"
David B.
Real Estate Developer
"CSM Design Build continues to impress us with their industry knowledge, strategic planning, and dedication to excellence. Their ability to manage construction, budgeting, and logistics with precision has made them an invaluable partner. Their team is always professional, communicative, and committed to delivering top-notch results. We look forward to many more successful projects together!"
David C.
Real Estate Developer

The Best Partners and Suppliers

Contact
Information

Your trusted building partner, combining deep industry knowledge, strong connections, and efficient project management.

Contact Us

About Mark

With over 25 years of experience in property management, Mark is well known for being highly responsive and dedicated. His commitment to getting the job done means he will not stop until his clients are fully satisfied. Clients trust Mark to consistently go the extra mile for their property needs.

About Steve

Known for his creativity and deep project knowledge, Steve draws on 15 years of experience spanning townhouses, apartments, and subdivisions. His strong relationships with the city development department support a streamlined process from concept to completion and add meaningful value to every project he touches.

About Chad

With a hands-on approach and expertise across all trades, he excels in the cost-effective sourcing of materials to bring any vision to life. Whether building townhomes, luxury homes, or multi-level apartments, Chad consistently delivers quality craftsmanship and innovative solutions, even in challenging circumstances.