Where is Summerhill Estates in Newmarket?

Summerhill Estates sits in Newmarket's southwest corner, bounded by Yonge Street on the east, Bathurst Street on the west, Mulock Drive on the north, and the Newmarket-Aurora town line on the south. The Mulock Park project, a 16-acre central park on the former Mulock family farm, is slated to open in 2026 as a significant new green space for residents.

What Kind of Homes Does Summerhill Estates Have?

Most housing was built in the early 2000s, featuring detached homes, semi-detached units, and freehold townhomes that are almost entirely brick with garages. The neighbourhood is denser and more efficiently designed than older Newmarket subdivisions, with ongoing infill development like Mulock Village adding newer construction.

What Schools are in Summerhill Estates?

Elementary options include Clearmeadow Public School (Fraser 6.0) and Crossland Public School (Fraser 6.2). Secondary students feed to Sir William Mulock Secondary School, scoring 6.6 and ranked 294 of 747 in Ontario, while Sacred Heart Catholic High School scores 7.2. School catchments vary by street, so confirm via the YRDSB School Locator before purchasing.

How is the Commute From Summerhill Estates?

Highway 404 and 400 access via Mulock and Davis Drive gives off-peak commutes of 25 to 35 minutes to the 401/DVP corridor, extending to 60 to 90 minutes in rush hour. Aurora GO Station on the Barrie Line is the closest transit option, with service to Union Station taking 55 to 65 minutes but currently limited to peak-direction runs.

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Summerhill Estates, Newmarket — The Complete Neighbourhood Guide

Posted Aug 15th, 2026 in General, Neighbourhood Guides

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