How many office spaces are for lease in Oshawa right now?

As of September 24, 2026, there are 39 active MLS® listings for office space for lease in Oshawa. 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 Oshawa?

Yes — subscribe on this page and you'll get an email as soon as a new Oshawa listing matching this search goes active. One-click unsubscribe, no spam.

Live MLS® listings · updated September 24, 2026

Office space for lease in
Oshawa.

Active listings

Every active office space for lease listing in Oshawa, 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.

Refine this search →Call 905-856-8111

For LeaseListed 1d ago

200 - 172 KING STREET E

Oshawa (Central)

$11 / sq ft1,346 sq ft

For LeaseListed 6d ago

207 - 200 BOND STREET W

Oshawa (McLaughlin)

$10 / sq ft1,153 sq ft

For LeaseListed 9d ago

B1 - 111 SIMCOE STREET N

Oshawa (O'Neill)

$13 / sq ft1 ba · 1,000 sq ft

For LeaseListed 9d ago

202 - 633 KING STREET E

Oshawa (Donevan)

$3,100 / monthly1,586 sq ft

For LeaseListed 11d ago

360 KING STREET W

Oshawa (Central)

$14 / sq ft1,077 sq ft

For LeaseListed 15d ago

951 SIMCOE STREET N

Oshawa (Centennial)

$3,000 / monthly2 ba · 1,260 sq ft

For LeaseListed 19d ago

MAIN FLOOR - 524 SIMCOE STREET S

Oshawa (Central)

$3,500 / monthly1,682 sq ft

For LeaseListed 19d ago

203 - 922 SIMCOE STREET N

Oshawa (Centennial)

$625 / monthly400 sq ft

For LeaseListed 21d ago

2B - 337 KING STREET W

Oshawa (Vanier)

$2,000 / monthly2 ba · 700 sq ft

For LeaseListed 28d ago

217 - 650 KING STREET E

Oshawa (Eastdale)

$16 / sq ft909 sq ft

For LeaseListed 29d ago

201 - 111 SIMCOE STREET N

Oshawa (O'Neill)

$15 / sq ft1 ba · 1,100 sq ft

For LeaseListed 29d ago

1A - 190 WATERLOO STREET

Oshawa (Farewell)

$10 / sq ft2 ba · 2,115 sq ft

See all 39 in the full search →

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Oshawa — quick answers

How many office spaces are for lease in Oshawa right now?: As of September 24, 2026, there are 39 active MLS® listings for office space for lease in Oshawa. 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 Oshawa?: Yes — subscribe on this page and you'll get an email as soon as a new Oshawa listing matching this search goes active. One-click unsubscribe, no spam.