170 Steelwell Rd. #200
Brampton, ON L6T 5T3
Office Space for Lease in Ontario
Explore office space for lease in Ontario including professional offices, medical office space, executive suites, commercial office buildings, co-working space, and office leasing opportunities across Ontario.
Ontario continues attracting professional firms, healthcare operators, financial companies, entrepreneurs, and commercial tenants searching for office leasing opportunities across major Ontario business markets.
From Toronto and Mississauga to Hamilton, Waterloo Region, London, and Southwestern Ontario, office leasing demand continues growing across professional, medical, financial, and commercial office sectors.
Office Space for Lease in Ontario | Commercial Office Leasing Ontario
Office Space for Lease in Ontario | Commercial Office Leasing Ontario
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300 - 3660 HURONTARIO STREET in Mississauga (City Centre): Office for lease : MLS®# W13554014
300 - 3660 HURONTARIO STREET Mississauga (City Centre) L5B 3C4 
$19.95 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13554014
- Floor Area:
- 768 sq. ft.
This expansive 1,001 sq. ft. office boasts a welcoming reception area and three private rooms, including one with stunning street and outdoor views - ideal for a professional and inviting workspace. Situated in a meticulously maintained, professionally managed 10-storey building in the heart of Mississauga City Centre, it provides easy access to Square One Shopping Centre and major highways 403 and QEW. Additionally, being near the city center gives a substantial SEO boost when users search for terms like "x in Mississauga" on Google. Underground And Street Level Parking Available, and a café will soon be opening on the ground floor, adding convenience for staff and visitors. Ideal for a professional workspace, this prime location combines functionality, accessibility, and the vibrant energy of the city. (id:2493) More detailsListed by ADVISORS REALTY
- Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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32 - 2800 SKYMARK AVENUE in Mississauga (Airport Corporate): Office for lease : MLS®# W13552274
32 - 2800 SKYMARK AVENUE Mississauga (Airport Corporate) L4W 5A6
$12 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13552274
- Floor Area:
- 1,250 sq. ft.
Rare leasing opportunity in the highly sought-after Prestige Airport Corporate Centre. Office space in this well-maintained building is rarely available, making this an exceptional opportunity for businesses seeking a prestigious and convenient location on the Toronto/Mississauga border.Ideally situated on the ground floor, directly across from the Renforth Transitway Station at Eglinton Avenue West, the property offers outstanding accessibility with immediate access to Highways 401, 427, 409, QEW, and 403. Toronto Pearson International Airport is just a four-minute drive away.Surrounded by restaurants, shopping, hotels, and a wide range of business amenities, this bright, recently renovated office features a large window providing abundant natural light, a private kitchenette, an in-suite washroom, and two separate entrances for added flexibility. Ample on-site parking further enhances convenience for staff and visitors alike. (id:2493) More detailsListed by RIGHT AT HOME REALTY - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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B - 127 BROADWAY in Orangeville: Office for lease : MLS®# W13547294
B - 127 BROADWAY Orangeville L9W 1K2
$18 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13547294
- Bathrooms:
- 1
- Floor Area:
- 1,850 sq. ft.
In the Central Business District (CBD) of bustling downtown Orangeville, this much sought after loft-style upper floor office space features a large, open floor plan, high ceilings and the industrial architectural details of exposed brick walls and ductwork. A beautiful and creative space maximizing natural light through the oversized south-facing windows and the full wall of glass flowing out to the open-air deck. With minimal interior walls this space offers a flexible, fluid and collaborative layout. The space consists of the open concept main floor plus 2 offices and boardroom on upper level, 2 pc powder room, kitchenette and expansive deck for your exclusive use. Dedicated internet access via fibre optic is available to this office; note 20 plus wired workstation sites. No parking included. There is ample municipal parking in the area for your employees. Water and Sewer charges are included in the TMI. Note this office space is located above the retail store Seconds Count, across from RBC and the Orangeville Library. (id:2493) More detailsListed by ROYAL LEPAGE RCR REALTY - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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203 - 3660 HURONTARIO STREET in Mississauga (City Centre): Office for lease : MLS®# W13547542
203 - 3660 HURONTARIO STREET Mississauga (City Centre) L5B 3C4
$21.45 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13547542
- Floor Area:
- 1,040 sq. ft.
This single office space is graced with generously proportioned windows, offering an unobstructed and captivating street view. Situated within a meticulously maintained, professionally owned, and managed 10-storey office building, this location finds itself strategically positioned in the heart of the bustling Mississauga City Centre area. The proximity to the renowned Square One Shopping Centre, as well as convenient access to Highways 403 and QEW, ensures both business efficiency and accessibility. For your convenience, both underground and street-level parking options are at your disposal. Experience the perfect blend of functionality, convenience, and a vibrant city atmosphere in this exceptional office space. (id:2493) More detailsListed by ADVISORS REALTY - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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209 - 128 WELLINGTON STREET W in Barrie (Queen's Park): Office for lease : MLS®# S13548022
209 - 128 WELLINGTON STREET W Barrie (Queen's Park) L4N 1K9
$20 /sqftOffice- Status:
- For Lease
- MLS® Num:
- S13548022
- Bathrooms:
- 1
- Floor Area:
- 1,000 sq. ft.
Professional 1,000 sf office space available on the second level of the prestigious Wellington Square Office Complex. This first-class building offers a beautifully finished interior, public elevator access, and well-maintained common area washrooms. Ideally situated in a high-traffic location with excellent visibility and convenient access to Highway 400, the property is surrounded by shopping, restaurants, and a wide range of amenities. Ample on-site parking is available for tenants and visitors. Rate $20.00/sf/yr & TMI $ 18.13/sf/yr + HST. TMI includes utilities. (id:2493) More detailsListed by ED LOWE LIMITED - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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100ANNEX - 25 MORROW AVENUE in Toronto (Roncesvalles): Office for lease : MLS®# W13547870
100ANNEX - 25 MORROW AVENUE Toronto (Roncesvalles) M6R 2H9
$2,250 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13547870
- Bathrooms:
- 1
- Floor Area:
- 3,000 sq. ft.
Rare opportunity to lease stunning commercial office/design/clinic space in fully restored and equipped main floor century professional loft building on Morrow Avenue. Shared with lawyers and clinical psychologists and also ideal for architects, engineers, design studios, etc. The space features 14 foot ceilings, post and beam construction, hardwood floors and ceilings, exposed brick walls, massive windows with all amenities, including kitchen, three baths, massive boardroom, beautiful reception area with fireplace, etc. Over 550 ft. segregated private space with separate access and private three-piece bath, upper loft and kitchenette. Asking $2250 plus TMI, utilities, parking and HST monthly. (id:2493) More detailsListed by SAGE REAL ESTATE LIMITED - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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555 MICHIGAN Drive in Oakville: Office for lease : MLS®# 40846928
555 MICHIGAN Drive Oakville L6L 0G4
$1 /sqftOffice- Status:
- For Lease
- MLS® Num:
- 40846928
- Floor Area:
- 15,590 sq. ft.
Exceptional sublease opportunity available through December 31, 2029, offering a fully built-out office space ready for immediate occupancy. This turnkey space features a functional layout with private offices, boardroom, open collaborative workspace, dedicated lab space, kitchen, and abundant natural light from full-height windows on three sides of the building.The existing improvements provide an excellent opportunity to minimize upfront fit-up costs and accelerate occupancy. Furniture may be available for the incoming tenant. Ample on-site parking, building and pylon signage, ideally suited for a variety of professional, technology, engineering, or life sciences users seeking quality space with immediate availability. Professionally managed by a local, hands on landlord known for well maintained properties. (id:2493) More detailsListed by Keller Williams Edge Realty - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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100B STREET - 25 MORROW AVENUE in Toronto (Roncesvalles): Office for lease : MLS®# W13548416
100B STREET - 25 MORROW AVENUE Toronto (Roncesvalles) M6R 2H9
$1,950 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13548416
- Bathrooms:
- 1
- Floor Area:
- 3,000 sq. ft.
Rare opportunity to lease stunning commercial office/design/clinic space in fully restored and equipped main floor century professional loft building on Morrow Avenue. Shared with lawyers and clinical psychologists and also ideal for architects, engineers, design studios, etc. The space features 14 foot ceilings, post and beam construction, hardwood floors and ceilings, exposed brick walls, massive windows with all amenities, including kitchen, three baths, massive boardroom, beautiful reception area with fireplace, etc. Over 400 ft. consisting of large office with massive windows and large adjoining open concept workstation for several support stuff, etc. Asking $1950 plus TMI, utilities, parking and HST monthly. (id:2493) More detailsListed by SAGE REAL ESTATE LIMITED - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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154 DOWNIE STREET in Stratford: Office for lease : MLS®# X13549014
154 DOWNIE STREET Stratford N5A 1X1
$15.50 /sqftOffice- Status:
- For Lease
- MLS® Num:
- X13549014
- Floor Area:
- 1,912 sq. ft.
Bring your business to the heart of Stratford's vibrant downtown, where historic charm, a thriving business community, and year-round tourism create an exceptional place to grow. This professional, single-level office suite offers a turnkey opportunity for legal, financial, medical, creative, and other professional firms seeking a prestigious, highly visible location. The versatile layout features several private executive offices, a spacious boardroom that can easily serve as an open-concept collaborative workspace, a convenient kitchenette, and accessible washroom facilities. A rare advantage in the downtown core, the unit includes two exclusive on-site parking spaces, with the added convenience of the nearby Cooper Lot offering ample free public parking for clients and staff. Just steps from City Hall, the Courthouse, Post Office, boutique shopping, cafés, award-winning restaurants, and Stratford's renowned Festival theatres, this location places your business at the centre of one of Ontario's most celebrated and walkable communities. While currently configured for professional office use, alternate commercial uses will be considered, and the Landlord is willing to work with a new Tenant to renovate the space to suit their vision. Position your business where culture, commerce, and community come together. Contact your trusted REALTOR today to arrange a private tour and discover the potential of this outstanding leasing opportunity. (id:2493) More detailsListed by Sutton Group - First Choice Realty Ltd. - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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400C - 918 DUNDAS STREET E in Mississauga (Dixie): Office for lease : MLS®# W13549658
400C - 918 DUNDAS STREET E Mississauga (Dixie) L4Y 4H9
$12 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13549658
- Floor Area:
- 1,736 sq. ft.
***Exceptional leasing opportunity in a clean, well-maintained commercial building. Located on the 4th floor. It's ideal for office, medical, professional, or service-based businesses.*** Prime location with excellent accessibility.*** Note that brand-new flooring to be installed before occupancy. ***Contact us today for more information or to schedule a viewing. (id:2493) More detailsListed by ASHLEY, C., REALTY INC. - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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101 - 405 BRITANNIA ROAD E in Mississauga (Gateway): Office for lease : MLS®# W13549834
101 - 405 BRITANNIA ROAD E Mississauga (Gateway) L4Z 1X9
$15 /sqftOffice- Status:
- For Lease
- MLS® Num:
- W13549834
- Floor Area:
- 3,156 sq. ft.
Spacious and professional main floor office featuring a functional layout ideal for a variety of business and professional uses. The versatile floor plan offers ample space for private offices, collaborative work areas, meeting rooms, and a welcoming reception area. Filled with natural light, the unit provides a bright and productive work environment with convenient main-floor access. Ample on-site parking and close access to Highways 401, 403 & 410 ensure excellent connectivity for employees and clients. Surrounded by restaurants, retail, and everyday amenities, this well-located office is perfectly suited for corporate offices, professional services, consulting firms, legal and accounting practices, technology companies, and other established businesses seeking a professional workspace. (id:2493) More detailsListed by RE/MAX GOLD REALTY INC. - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
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4 - 1454 KING STREET E in Kitchener: Office for lease : MLS®# X13549920
4 - 1454 KING STREET E Kitchener L7G 4A6
$16 /sqftOffice- Status:
- For Lease
- MLS® Num:
- X13549920
- Bathrooms:
- 1
- Floor Area:
- 975 sq. ft.
Fantastic Opportunity to lease a bright and well-maintained approximately 975 sq. ft. unit, located on the 2nd floor of a freestanding professional/medical building in a prime Kitchener location. Conveniently situated approximately 8 minutes between local hospitals, this space is ideal for a wide range of professional uses, including healthcare practitioners, medical offices, consulting, wellness service or general office use. A great opportunity for professionals looking to establish or expand their business in a highly convenient and desirable area. (id:2493) More detailsListed by HOMELIFE/RESPONSE REALTY INC. - Ravneet Kaur
- Royal Star Realty Inc
- (437) 788-5550
- Contact by Email
Data was last updated July 12, 2026 at 06:15 PM (UTC)
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Ontario Office Leasing FAQs
What types of office space are available for lease in Ontario?
Office leasing opportunities in Ontario may include professional offices, medical office space, executive suites, co-working space, downtown office buildings, flexible office space, and commercial office properties across major Ontario markets.
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Ontario attracts office tenants due to its growing business sector, healthcare industry, financial services market, professional office demand, and expanding commercial development opportunities across the province.
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Office tenants can explore professional office, medical office, and commercial office leasing opportunities across Hamilton, Waterloo Region, London, Burlington, and other growing Ontario business markets.
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