Historic Ontario post office turned 12-unit apartment building hits market for $3.5M
Misha Gajewski
created: April 20, 2025, 4:05 a.m. | updated: April 21, 2025, 7:41 p.m.
<img class="webfeedsFeaturedVisual" src="https://display.blogto.com/articles/20250416-70millstreet-georgetown-2.jpg?w=1200&cmd=resize_then_crop&height=630&quality=70&format=jpeg" width="100%" /><p>It's not often you can own a piece of Ontario heritage, but a massive slice of history just hit the market this week, and it could be yours for a few million bucks. </p><p>In downtown Georgetown, the properties at 70 Mill St. and 72-74 Mill St. are being sold together as an assembly.</p><p>Between them, you're looking at nearly half an acre of prime real estate in the heart of Georgetown, complete with heritage status, historic architecture, and even a few tales of mail carriers and movie-goers from yesteryear.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116330" src="https://display.blogto.com/uploads/2025/04/16/1744823707-20250416-70millstreet-georgetown-4.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">The hallway in 70 Mill St. </p><p>Designed in an Art Deco style by architects J.E. Walker and J.G. Elliott, 70 Mill St. was <a href="http://www.thegeorgetownvault.com/70-mill-street.html">built in 1935</a> with limestone from nearby Glen Williams and bricks and lime from Milton.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116327" src="https://display.blogto.com/uploads/2025/04/16/1744823705-20250416-70millstreet-georgetown-1.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">One of the units in 70 Mill St. </p><p>It was built by J.B. Mackenzie and S.J. Mackenzie, and at the time, the construction only cost a whopping $42,000 (which, let's face it, wouldn't even cover the deposit today).</p><p><img alt="70 Mill Street Georgetown" id="content-image-116337" src="https://display.blogto.com/uploads/2025/04/16/1744823712-20250416-70millstreet-georgetown-11.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">Original hardwood floors, doors and trim add to the charm of the building. </p><p>The structure was officially opened as the Georgetown Post Office and Customs House on February 1, 1936, after the town spent nearly a century petitioning for better mail service.</p><p>But by the early 1960s, the building had become too small for the growing postal demands, and the operations were eventually moved.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116332" src="https://display.blogto.com/uploads/2025/04/16/1744823709-20250416-70millstreet-georgetown-6.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">A kitchen in one of the 70 Mill St. units. </p><p>Since then, 70 Mill St. has transformed into a 12-unit residential building with its own green space and surface parking — while still proudly holding its heritage-listed status (as of 2007).</p><p><img alt="70 Mill Street Georgetown" id="content-image-116334" src="https://display.blogto.com/uploads/2025/04/16/1744823711-20250416-70millstreet-georgetown-8.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">72-74 Mill St. </p><p>Next door, 72-74 Mill St. carries its own story — once home to the <a href="http://www.thegeorgetownvault.com/memories/the-roxy">Roxy Theatre</a>, it's now a mixed-use building with eight commercial offices and four residential units.</p><p>And while the lights of the old movie house have long gone out, the potential here is anything but dim.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116335" src="https://display.blogto.com/uploads/2025/04/16/1744823711-20250416-70millstreet-georgetown-9.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">An aerial view of the properties. </p><p>Combined, these two addresses represent a rare redevelopment opportunity in the heart of a downtown core that's already buzzing with growth.</p><p>For context, Georgetown property values have gone up over 125 per cent since 2015, and Halton is one of the <a href="https://www.halton.ca/Repository/Halton-and-Ontario-Focusing-on-Shared-Priorities">fastest-growing</a> regions in Ontario.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116333" src="https://display.blogto.com/uploads/2025/04/16/1744823710-20250416-70millstreet-georgetown-7.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">An aerial view of the properties. </p><p>Also, it wouldn't be the first historical property to get a modern makeover. </p><p>The nearby <a href="https://urbantoronto.ca/database/projects/mcgibbon-main.20340">McGibbon on Main development</a> — a 10-storey residential complex that pays homage to the beloved <a href="http://www.thegeorgetownvault.com/mcgibbon-hotel.html">McGibbon Hotel</a> — is just one example of how heritage and modern living are coexisting beautifully in Halton Hills.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116331" src="https://display.blogto.com/uploads/2025/04/16/1744823708-20250416-70millstreet-georgetown-5.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">A unit in 70 Mill St. </p><p>Whether you're a history buff, a developer with vision, or just someone who has always wanted to own a post office (hey, we don't judge), 70-74 Mill St. offers a mix of investment potential, character, and location.</p><p>It's steps from boutique shops, the local library, the seasonal Farmer's Market, and GO Bus connections to Toronto. Plus, public parking makes life easier for tenants and visitors alike.</p><p><img alt="70 Mill Street Georgetown" id="content-image-116336" src="https://display.blogto.com/uploads/2025/04/16/1744823711-20250416-70millstreet-georgetown-10.jpg?w=1400&cmd=resize&quality=70" /></p><p class="caption">The view of the buildings from the street. </p><p>70 Mill St. is <a href="https://www.realtor.ca/real-estate/28159222/70-mill-street-georgetown">listed for $3,500,000</a> and 72-74 Mill St. are <a href="https://www.realtor.ca/real-estate/28158876/72-74-mill-street-halton-hills-georgetown-georgetown">listed for $2,400,000</a>.</p>
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