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About Us
- Our Story
- News
- Podcast
Our Services
Our Agents
Support
Culture
Technology
Locations
- Alliston
- Bradford
- Brantford
- Hamilton
- Kingston
- Newmarket
- Richmond Hill
- Simcoe
- Thornhill
Listing Search
Store
Join Us

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Shelagh O’Leary-Ongaro

Sales Representative

Newmarket Office

shelagh.olearyongaro@century21.ca

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About Shelagh O’Leary-Ongaro

Are you ready to grow your business with a brokerage that truly has your back?

At Century 21 Heritage Group, we offer more than just a place to hang your license — we provide a full-service brokerage with a non-selling management team, cutting-edge technology, personalized business planning, and real mentorship from day one. With 800+ agents, a family-first culture, and training that fits your schedule — in person, on-demand, or hybrid — we’re built to help you succeed.

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Alliston | Bradford | Brantford | Hamilton | Kingston | Newmarket | Richmond Hill | Simcoe | Thornhill

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