For LeaseListed 2d agoMAIN FRONT - 411 QUEEN STREET
Newmarket (Central Newmarket)
$1,250 / monthly180 sq ft
Live MLS® listings · updated July 28, 2026
Office space for lease in
Newmarket.
21
Active listings
Every active office space for lease listing in Newmarket, straight from the CREA DDF® national feed — the same live inventory behind REALTOR.ca. The newest 12 are below; refine by price, size, and more in the full search.
For LeaseListed 2d ago
For LeaseListed 7d ago1ST FLOOR - ROOM 1 - 431 DAVIS DRIVE
Newmarket (Bristol-London)
$1,300 / monthly2 ba · 140 sq ft
For LeaseListed 47d ago189 MAIN STREET S
Newmarket (Central Newmarket)
$20 / sq ft4,377 sq ft
For LeaseListed 55d ago5 - 1211 GORHAM STREET
Newmarket (Gorham-College Manor)
$2,200 / monthly1,230 sq ft
For LeaseListed 56d ago302 - 30 PROSPECT STREET
Newmarket (Central Newmarket)
$18 / sq ft883 sq ft
For LeaseListed 61d agoUPPER #1 - 411 QUEEN STREET
Newmarket (Central Newmarket)
$550 / monthly110 sq ft
For LeaseListed 61d agoMAIN 2C - 411 QUEEN STREET
Newmarket (Central Newmarket)
$550 / monthly100 sq ft
For LeaseListed 61d agoLOWER CUBICLE - 411 QUEEN STREET
Newmarket (Central Newmarket)
$550 / monthly47 sq ft
For LeaseListed 61d agoMAIN 1C - 411 QUEEN STREET
Newmarket (Central Newmarket)
$550 / monthly100 sq ft
For LeaseListed 61d agoMAIN 1 - 411 QUEEN STREET
Newmarket (Central Newmarket)
$1,100 / monthly150 sq ft
For LeaseListed 62d agoUNIT F - 77-83 DAVIS DRIVE
Newmarket (Bristol-London)
$450 / monthly80 sq ft
For LeaseListed 64d ago6 - 355 HARRY WALKER PARKWAY
Newmarket (Newmarket Industrial Park)
$5,000 / monthly3,568 sq ft
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Newmarket — quick answers
- How many office spaces are for lease in Newmarket right now?
- As of July 28, 2026, there are 21 active MLS® listings for office space for lease in Newmarket. This page reads the CREA DDF® national data feed — the same live inventory behind REALTOR.ca — and refreshes throughout the day.
- How do I get more information on one of these office spaces?
- Open any listing and use the "Ask JT" button, or call 905-856-8111. I'm JT Palmieri, a commercial real estate salesperson with Vanguard Realty Brokerage Corp. in Vaughan — I'll pull zoning, comparables, and vendor context on any property here, no pressure and no obligation.
- Can I get alerted when new office spaces hit the market in Newmarket?
- Yes — subscribe on this page and you'll get an email as soon as a new Newmarket listing matching this search goes active. One-click unsubscribe, no spam.