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: Median removal at Yonge Street and John Street
Metrolinx Construction Notice April 21, 2026 Topic: Median removal at Yonge Street and John Street Schedule: Early May 2026 Duration: Approximately two weeks Timing: Weekdays, 7:00AM to 5:00PM; occasional weekend or overnight work as required What is happening? Crews working on behalf of Metrolinx will be performing preliminary work
Metrolinx YNSE Construction Notice: Road widening on Yonge Street south of John Street
Metrolinx Construction Notice April 21, 2026 Topic: Road widening on Yonge Street south of John Street Schedule: Mid-May 2026 Duration: Approximately two weeks Timing: Weekdays, 7:00AM to 5:00PM; occasional weekend or overnight work as required What is happening? Crews working on behalf of Metrolinx will continue with preliminary work,
Temporary Road Closure Notice: Bayview Avenue between Laureleaf Road and Barristers Court
Temporary Road Closure Notice April 15, 2026 Topic: Region of York Temporary Road Closure Notice: CN Rail Bridge on Bayview Avenue between Laureleaf Road and Barristers Court Schedule: Tuesday, April 21, 2026 Work Hours: 9:30AM-3:30PM What is happening? Temporary road closures of Bayview Avenue, between Laureleaf Road and Barristers
City of Toronto Construction Notice: Steeles Avenue Bridge Rehabilitation over Don River
City of Toronto Construction Notice January 6, 2026 Topic: City of Toronto Construction Notice: Steeles Avenue Bridge Rehabilitation over Don River Schedule: Start Date: July 2025 End Date: December 2025 New End Date: Summer 2026 Work Hours: Monday - Friday 7:00AM - 7:00PM; Saturday 9:00AM - 7:00PM What is
Metrolinx YNSE Construction Notice: Closure of Langstaff GO South parking lot
Metrolinx Construction Notice March 31, 2026 Topic: Closure of Langstaff GO South parking lot Schedule: Closure begins April 28, 2026 Timing: Full 24 hour closure of impacted work areas What is happening? To support future construction for the Yonge North Subway Extension, crews working on behalf of Metrolinx will
Meetings of Interest
for Ward 1 Thornhill Residents
| When | Topic | Details |
|---|---|---|
| Monday, April 27 7:00 - 9:00 p.m. | Bayview / John Visioning Exercise: Final Session Thornhill Community Centre Room B1 & B2 | Councillor Irish will be hosting an in-person Community Information meeting to review the city’s Planning staff recommendations resulting from the Bayview / John Visioning exercise. Residents will recall that three well attended public engagement sessions were held a year ago on the following topic areas: Urban Design, Built Form and Land Uses; Transportation and Mobility; and Community Uses. This session will include a presentation of the high-level recommendations and opportunities for the public to comment. The file outlining the recommendations will be posted in due course. In the meantime, information can be found here: https://yourvoicemarkham.ca/bayview-and-john-visioning-exercise/ The presentation materials from the city's Planning staff can be found here: Bayview John Final Session Presentation April 2026 Councillor Irish looks forward to seeing you there. |
| Saturday, May 2 Morning Tour: 10:30 a.m. - 12:00 p.m. Afternoon Tour: 1:00 - 2:30 p.m. | City of Markham Cycling and Pedestrian Committee Annual Jane's Walk Starts: Robert West Heritage House, 7780 Yonge Street Ends: North east corner of Yonge Street and Royal Orchard Boulevard (Food Basics Plaza) | Join us for Jane’s Walk, an annual festival of free, community-led walking conversations inspired by urban activist Jane Jacobs. No registration is required—just show up and explore your community with us! Thornhill: Thornhill's History Through Four local Notable Persons Led by: David Rawcliffe Explore the rich history of Thornhill through the stories of four local figures. This year’s walk includes a gallery visit devoted to artist Thoreau MacDonald, son of J.E.H. MacDonald, a founding member of Canada’s famous "Group of Seven." Further information can be found here: https://www.markham.ca/neighbourhood-services/walking-and-cycling/news-events/janes-walk/ Please note: Guided walks may change or be cancelled due to weather. Check City of Markham and Parks Canada’s website and social media for updates. |
| Friday, May 8 and May 15 8:00 a.m. - 4:00 p.m. | Environmental Services 2026 Spring Compost Giveaway R.J. Clatworthy Arena | * Residents will be invited to register online via the city's website beginning on Earth Day April 22, 2026 to pick-up two free bags of compost at one of the events * One registration per household (two bags per registration) * Spaces are limited and are available on a first come, first serve basis * Residents are able to cancel and re-register for a different day if spots are available * Events are rain or shine |
| Saturday, May 23 10:00 a.m. - 12:00 p.m. | Grandview Area Residents Association Park Planting Pomona Mills Park 244 Henderson Ave. Meet at the east side of Henderson Avenue and Forest Park Crescent | * Rain or shine * A variety of native perennial plants will be planted in the woodlot * Everyone is welcome - children under the age of 12 should be accompanied by an adult * Students can earn volunteer hours - please bring your form * Light refreshments will be available For more information, please visit the Grandview Area Residents Association website: https://www.thornhillgara.com/. |