WELCOME
This website is a source of useful information for people living in Markham’s Ward 1. In addition to keeping you informed, we’d also like to hear from you.
If you have questions or comments about issues and concerns in Ward 1, please contact us using the “Contact” link at the bottom of this page.
MappiT
While we endeavour to keep the list of Ward 1 development applications up-to-date, things can change frequently.
We encourage you to also visit “MappiT” the City of Markham’s Development Application Viewer.
Members of the public can search various development applications city-wide as well as tree removal permits to check on their status.
MappiT can be viewed here: https://markham.maps.arcgis.com/apps/dashboards/891da101b4a348859874886aeef70d79
LATEST NEWS
Metrolinx YNSE Construction Notice: Tree Removals at Yonge Street and Clark Avenue and Yonge and Royal Orchard Boulevard
Metrolinx Construction Notice November 3, 2026 Topic: Tree Removals at Yonge St. and Royal Orchard Blvd. and Yonge and Clark Ave. Schedule: November 16, 2026 until December 1, 2026 Timing: Weekdays, 7:00AM to 5:00PM What is happening? To support future construction of the Yonge North Subway Extension, crews working
City of Markham YNSE Construction Notice – Pomona Creek Park – request for permission to enter for work on YNSE
City of Markham Construction Notice November 2, 2026 Topic: Pomona Creek Park - request for permission to enter for work on YNSE Start Date: December 1, 2026 End Date: January 31, 2027 What is happening? North End Connectors Construction (the “Contractor”), a contractor for Metrolinx, is doing work on
Metrolinx YNSE Notice: Tunnel Boring Machine (TBM) Naming Competition
Metrolinx Notice November 2, 2026 Topic: YNSE Tunnel Boring Machine (TBM) Naming Competition Timing: The naming competition will be open until November 16, 2026 What is happening? Two massive machines are getting ready for a very big job – digging the tunnels for the Yonge North Subway Extension. But
Metrolinx YNSE Construction Notice: Overnight Piling Work at Yonge Street south of John Street
Metrolinx Construction Notice October 20, 2026 Topic: Overnight Piling Work at Yonge Street south of John Street Schedule: October 26, 2026 until Summer 2028 Timing: Due to the nature of the work, activities will take place 24 hours a day, seven days a week What is happening? Crews working
Metrolinx YNSE Construction Notice: Building Demolitions along Yonge St. near Royal Orchard Blvd. and Yonge St. and Clark Ave.
Metrolinx Construction Notice October 7, 2026 Topic: Building demolitions along Yonge Street, near Royal Orchard Boulevard and at Yonge Street and Clark Avenue Schedule: October 12, 2026 until December 31, 2026 Timing: Weekdays, 7:00AM to 7:00PM What is happening? To accommodate future construction of the Yonge North Subway Extension,
Meetings of Interest
for Ward 1 Thornhill Residents
| When | Topic | Details |
|---|---|---|
| Saturday, November 14 and Sunday, November 15 10:00 a.m. - 5:00 p.m. | Heintzman House Artisan Craft Show Heintzman House 135 Bay Thorn Drive, Thornhill | This City of Markham magnificent heritage home will host talented artisan vendors on all three floors of the house. With over 40 artisans, there will be something for everyone! Featuring honey, hot sauces, award-winning jams and spreads, beautiful jewelry, home and holiday décor, ceramics, fun children’s items and cozy hand knits, wood craftsmanship, decadent soaps, all-natural body care, and much more to surprise and delight you, this awe-inspiring event is not to be missed. Come enjoy a delicious treat at the Craft Show Cafe and browse the offerings of the community’s many talented and skilled artisans, makers and designers. We hope to see you there! For more information, please visit the Heintzman House website: https://theheintzmanhouse.ca/2026-craft-show. |
| Sunday, December 6 5:30 - 7:00 p.m. | Heintzman House Family Carol Sing Heintzman House 135 Bay Thorn Drive, Thornhill | The Tradition Continues! Come join us for our annual Christmas Caroling, the Heintzman House Family Carol Sing * Caroling will start at approximately 6:00 p.m. This event is outdoors, so dress warmly! The Upper Canada Chorus will be performing and leading the sing-a-long. To keep us all toasty, hot chocolate, coffee and some holiday sweets will be served. Look for the Heintzman House Board Volunteer Elves who will be handing out candy canes! The event is free. In the spirit of the Holidays, we will be accepting donations of non-perishable food items for the food banks and toys for the fire halls. We hope to see you there to celebrate the season together! For more information, please visit the Heintzman House website: https://theheintzmanhouse.ca/christmas-carols. |