About Us
Our Foundation is Built on Quality and Excellence.
Our Mission
To create landmark buildings and communities in exceptional locations while ensuring that they meet the superior building quality, timeless designs, and extraordinary value that we are known for. We look to continue to innovate and push the benchmarks of our industry, to not only ensure we are providing the highest quality products and services, but also to ensure we are working towards a brighter and more sustainable future.
What we Do
Mirabella Development is more than just a developer—we are a rare full-service firm that expertly manages every phase of a project’s lifecycle. From land acquisition—where we are renowned for securing the most desirable sites—to urban planning, development, and space optimization, we lead with visionary design and planning. Our expertise extends to the creation of innovative marketing and advertising strategies, sales execution and training, value engineering, material science, environmental applications, manufacturing, construction management and much more. As both Development and Construction Managers, we ensure seamless execution of projects while also providing top-tier customer service, warranty support, and property and rental management services. Additionally, we offer Development Management consulting to financial institutions and institutional investors, delivering strategic insights that drive success.
Years of Experience
Total Sales Value
Units Successfully Completed
A long Legacy of building
Led by Julie Di Lorenzo and an exceptional leadership team, Mirabella Development Corporation is the proud successor company of the Diamante Development Group, carrying on its long legacy of building. Beginning in 1982 – starting with a focus on high-rise concrete formwork, where some of the most technically difficult projects in Toronto were executed, such as Empire Plaza, Terminal Three International Airport, and Bata Shoe Museum – our company has evolved into a premier, multi-disciplinary real estate development company and city builder. Today, Mirabella Development continues to shape skylines in Toronto and beyond, having delivered thousands of residential units across Canada and Asia, with ambitious new projects in the residential, industrial and commercial sectors on the horizon.

1998
One Balmoral

2002
Domus in Yorkville

2007
One City Hall

2013
The Florian

2022
Mirabella Condos
Our Approach to Building
As a leading developer in the Greater Toronto Area, we are committed to upholding the highest standards of integrity, quality, and innovation. Every project we undertake is guided by a dedication to excellence and a goal of exceeding expectations. On all of our projects, our team collaborates with industry-leading planners, visionary architects and engineers, skilled interior designers, and best-in-class construction trades to bring each development to life. By prioritizing meticulous planning, superior craftsmanship, and thoughtful design, we create spaces that are functional, inspiring, and beautiful.
Every Detail Matters
We deliver craftsmanship and attention to detail at every step of the project, ensuring the highest standards of quality.
Innovation Driven
We embrace new technologies and creative approaches to offer modern, efficient, and sustainable design and construction.
Hands-On
Involving ourselves in every aspect of our projects to ensure they are meticulously supervised and executed.
Continuous Improvement
We constantly review and implement best practices in every area of a project to maintain quality and increase efficiency.
Design Excellence
We create thoughtfully designed projects that balance aesthetics, functionality, and long-term sustainability.
Exceptional Value
Creating conservative business plans that ensure that projects are not only completed efficiently but also generate excellent returns.
Committed to giving back

Sustainable Design
We are committed to building sustainable buildings that respect the environment and promote healthy living. From the earliest stages of planning, we incorporate eco-friendly design principles and innovative technologies to minimize our carbon footprint and provide energy-efficient buildings.

Urbanization and Cultural Contributions
We consistently strive to enhance the communities around them not only with our timeless, elegant building designs but also with the incorporation of public art contributions, the development and improvement of green spaces as well as other community improvements.

Community Engagement
We actively support and donate to various charities and organizations throughout North America, along with supporting our community through our involvement in community projects and with providing housing solutions to those in need.
Meet Our Exceptional Team
Our leadership is built on a foundation of experience, vision, and a relentless commitment to excellence. We champion diversity, innovation, and inclusivity in every project, fostering an environment where different perspectives drive creativity and continuous improvement. Our in-house team includes a diverse array of professionals with deep knowledge, exceptional talent, and unparalleled expertise in the industry, ensuring excellent results in every endeavor we undertake.
Julie Di Lorenzo
President & CEO
Julie Di Lorenzo comes from a long family history of Italian construction professionals in North America. Her grandfather immigrated from Italy to New York City in the early 1900s, helping erect some of the early foundations and structures of the city, while her father, Nick Di Lorenzo, was a dominant contractor and innovator in Toronto in the 1960's and 70's, inventing the "flying form" method of high-rise construction and bringing over the tall cranes from Europe that made it possible.
Starting out as a 16-year old girl delivering boxes of nails, plans and materials to concrete formwork sites, Julie Di Lorenzo has been part of our industry for over 40 years as an entrepreneur, real estate developer, and city builder, while simultaneously devoting her time and leadership towards innovating, improving, and supporting our communities.
Through Julie's incredible leadership, Mirabella has become one of the largest female-run development companies in North America, where she has consistently embraced and pushed through multiple recessions, challenging development sites, and opposition in order to bring incredible landmark projects to life. Julie has been bestowed many awards and honours for her accomplishments including appointments into the Order of Ontario and the BILD Hall of Fame as well as receipt of the BILD Riley Brethour award, the ICCO Businesswoman of the Year Award, and many others.