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.

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Office Space for Lease in Ontario | Commercial Office Leasing Ontario

Office Space for Lease in Ontario | Commercial Office Leasing Ontario

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1-12/942

  • BLOCK 2 - 796468 GREY COUNTY ROAD 19 ROAD in Blue Mountains: Office for lease : MLS®# X13212572

    BLOCK 2 - 796468 GREY COUNTY ROAD 19 ROAD Blue Mountains L9Y 0N6
    Main Photo: BLOCK 2 - 796468 GREY COUNTY ROAD 19 ROAD in Blue Mountains: Office for lease : MLS®# X13212572

    BLOCK 2 - 796468 GREY COUNTY ROAD 19 ROAD Blue Mountains L9Y 0N6

    $10 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    X13212572
    Floor Area:
    3,475 sq. ft.
    North Creek Resort Commercial space for lease - offering up to 3,475 sq ft across two zones. The lower-level Gatehouse includes a 972 sq ft rentable area (672 sq ft suite + 300 sq ft common area), while Block 2 features 2,503 sq ft ideal for cleaning/property management hub, storage, or potential laundry facility. The landlord is flexible and will lease the Block 2 operational area separately. The property includes 8 assigned parking spaces plus visitor parking, making it a turnkey operational base for local service businesses. (id:2493) More details
    Listed by Royal LePage Locations North
    LISTING DETAILS

  • THE GATEHOUSE - 796468 GREY 19 ROAD in Blue Mountains: Office for lease : MLS®# X13212574

    THE GATEHOUSE - 796468 GREY 19 ROAD Blue Mountains L9Y 0N6
    Main Photo: THE GATEHOUSE - 796468 GREY 19 ROAD in Blue Mountains: Office for lease : MLS®# X13212574

    THE GATEHOUSE - 796468 GREY 19 ROAD Blue Mountains L9Y 0N6

    $17.50 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    X13212574
    Floor Area:
    1,000 sq. ft.
    Prime location - commercial office at North Creek Resort at Blue. Lease based on 1,000 sq ft rentable area (700 sq ft suite + 300 sq ft common area). Positioned at the main entrance in The Gatehouse, this high-visibility unit offers unmatched brand exposure, effortless client access, and ample free front-row parking. Perfect for boutique firms, professional services, or remote teams seeking a strategic address. The efficient layout allows flexible partitioning into private offices, use of a boardroom, and a reception zone. Minimum 36-month lease. Immediate possession available. (id:2493) More details
    Listed by Royal LePage Locations North
    LISTING DETAILS

  • 202 - 135 BAYFIELD STREET in Barrie (City Centre): Office for lease : MLS®# S13213180

    202 - 135 BAYFIELD STREET Barrie (City Centre) L4M 3B3
    Main Photo: 202 - 135 BAYFIELD STREET in Barrie (City Centre): Office for lease : MLS®# S13213180

    202 - 135 BAYFIELD STREET Barrie (City Centre) L4M 3B3

    $13.50 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    S13213180
    Floor Area:
    2,084 sq. ft.
    Established and professional office building located in the heart of Barrie, between Wellington Street and Sophia Street. Just minutes from Highway 400 and a short walk to the downtown core, this centrally located property offers convenience and accessibility. Current tenants include the renowned Crazy Fox Bistro and Easter Seals. Amenities include proximity to transit, shopping, and major roadways. Ideal opportunity for businesses seeking a prestigious and well-connected location. Flexible leasing option available lease the entire building or individual units to suit your business needs. (id:2493) More details
    Listed by ROYAL LEPAGE FIRST CONTACT REALTY
    LISTING DETAILS

  • 207 - 418 IROQUOIS SHORE ROAD in Oakville (QE Queen Elizabeth): Office for lease : MLS®# W13206862

    207 - 418 IROQUOIS SHORE ROAD Oakville (QE Queen Elizabeth) L6H 1M5
    Main Photo: 207 - 418 IROQUOIS SHORE ROAD in Oakville (QE Queen Elizabeth): Office for lease : MLS®# W13206862

    207 - 418 IROQUOIS SHORE ROAD Oakville (QE Queen Elizabeth) L6H 1M5

    $35 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    W13206862
    Floor Area:
    2,082 sq. ft.
    Welcome to the prestigious IQ Centre, offering one of the most luxurious offices spaces you will find! 2,082 sq.ft of premium space featuring 5 offices, boardroom, kitchen, reception, and a large open work area. Lots of unreserved parking plus 2 exclusive parking. All desks, chairs and furniture are included in the lease making this truly Turn-Key. Try it out for a year and a half remaining on the lease before committing to long term! (id:2493) More details
    Listed by ENGEL & VOLKERS OAKVILLE
    LISTING DETAILS

  • 200 - 7941 JANE STREET in Vaughan (Concord): Office for lease : MLS®# N13207308

    200 - 7941 JANE STREET Vaughan (Concord) L4K 4L6
    Main Photo: 200 - 7941 JANE STREET in Vaughan (Concord): Office for lease : MLS®# N13207308

    200 - 7941 JANE STREET Vaughan (Concord) L4K 4L6

    $16.95 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    N13207308
    Floor Area:
    6,235 sq. ft.
    Recently renovated, modern, second floor office space in one of Vaughans most high-demand business corridors. This bright, professional suite features a mix of private offices and open areas, private washrooms, and prominent signage exposure along high-traffic Jane Street. Conveniently located just minutes from Highways 400 and 407 and steps from the Vaughan Metropolitan Centre subway station, the property offers excellent accessibility for employees and clients alike. (id:2493) More details
    Listed by VANGUARD REALTY BROKERAGE CORP.
    LISTING DETAILS

  • 612 UPPER JAMES Street Unit# Upper LVL in Hamilton: Office for lease : MLS®# 40831280

    612 UPPER JAMES Street Unit# Upper LVL Hamilton L9C 2Z1
    Main Photo: 612 UPPER JAMES Street Unit# Upper LVL in Hamilton: Office for lease : MLS®# 40831280

    612 UPPER JAMES Street Unit# Upper LVL Hamilton L9C 2Z1

    $15 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    40831280
    Floor Area:
    2,086 sq. ft.
    2,086sf walkup office unit, freshly renovated. Mixture of private offices and open space. Kitchenette. Good parking. Great central mountain location. Note $10 additional rent TMI plus utilities and HST charged. (id:2493) More details
    Listed by Martel Commercial Realty Inc.
    LISTING DETAILS

  • 612 UPPER JAMES Street Unit# Whole Bldg in Hamilton: Office for lease : MLS®# 40831243

    612 UPPER JAMES Street Unit# Whole Bldg Hamilton L9C 2Z1
    Main Photo: 612 UPPER JAMES Street Unit# Whole Bldg in Hamilton: Office for lease : MLS®# 40831243

    612 UPPER JAMES Street Unit# Whole Bldg Hamilton L9C 2Z1

    $22.50 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    40831243
    Floor Area:
    4,196 sq. ft.
    Full 2 story building for lease. Extensive recent renovations. Main floor fully configured for dental user. Upper level walkup a combination of private offices and open space with a kitchenette. Great parking and prime central mountain location. (id:2493) More details
    Listed by Martel Commercial Realty Inc.
    LISTING DETAILS

  • 612 UPPER JAMES Street Unit# Main FL in Hamilton: Office for lease : MLS®# 40831229

    612 UPPER JAMES Street Unit# Main FL Hamilton L9C 2Z1
    Main Photo: 612 UPPER JAMES Street Unit# Main FL in Hamilton: Office for lease : MLS®# 40831229

    612 UPPER JAMES Street Unit# Main FL Hamilton L9C 2Z1

    $30 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    40831229
    Floor Area:
    2,010 sq. ft.
    Wonderful turnkey dental unit with 4 treatment rooms and spacious office are in rear. Non-exclusive use of basement. Fully plumbed. Great parking and prime central mountain location. Available immediately. (id:2493) More details
    Listed by Martel Commercial Realty Inc.
    LISTING DETAILS

  • 4275 INNES ROAD in Ottawa: Office for lease : MLS®# X13209264

    4275 INNES ROAD Ottawa K1C 1T1
    Main Photo: 4275 INNES ROAD in Ottawa: Office for lease : MLS®# X13209264

    4275 INNES ROAD Ottawa K1C 1T1

    $26 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    X13209264
    Floor Area:
    21,000 sq. ft.
    Bright and professional office space in the heart of Orléans! Suite 200-203 at 4275 Innes Road offers approximately 1,550 sq. ft. of versatile, functional workspace ideal for professional, administrative, medical, health or service-based businesses. Located along a prominent commercial corridor near Innes Road and Belcourt Boulevard, this welcoming space offers excellent visibility, convenient access, elevator service, air conditioning, sprinkler system and on-site surface parking for clients and staff. Surrounded by established retail, dining, financial and service amenities, with easy access to major routes and public transit. Vacant with flexible possession, this is an exceptional opportunity to establish or expand your business in a thriving Orléans commercial hub. (id:2493) More details
    Listed by INNOVATION REALTY LTD. and EXP REALTY
    LISTING DETAILS

  • 101A - 650 HIGHWAY 7 E in Richmond Hill (Beaver Creek Business Park): Office for lease : MLS®# N13181480

    101A - 650 HIGHWAY 7 E Richmond Hill (Beaver Creek Business Park) L4B 2N7
    Main Photo: 101A - 650 HIGHWAY 7 E in Richmond Hill (Beaver Creek Business Park): Office for lease : MLS®# N13181480

    101A - 650 HIGHWAY 7 E Richmond Hill (Beaver Creek Business Park) L4B 2N7

    $28 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    N13181480
    Floor Area:
    1,850 sq. ft.
    Prime Ground Floor Corner Office Unit In A Highly Visible Location Directly In Front Of The Sheraton Hotel, Offering Exceptional Exposure Along Highway 7 & Leslie. Suitable For A Wide Range Of Professional Uses Including Medical, Law Firm, Insurance, Spa, Accounting, Consulting & General Office Use. (id:2493) More details
    Listed by RE/MAX REALTRON BARRY COHEN HOMES INC. and TIMES SQUARE REAL ESTATE SERVICES INC.
    LISTING DETAILS

  • 135 MICHAEL COWPLAND DRIVE in Ottawa: Office for lease : MLS®# X13184456

    135 MICHAEL COWPLAND DRIVE Ottawa K2M 2E9
    Main Photo: 135 MICHAEL COWPLAND DRIVE in Ottawa: Office for lease : MLS®# X13184456

    135 MICHAEL COWPLAND DRIVE Ottawa K2M 2E9

    $15 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    X13184456
    Floor Area:
    17,000 sq. ft.
    Modern office opportunities in the heart of Kanata South with suites available from approximately 500 SF up to 17,000 SF. The property offers flexible leasing options ranging from individual turnkey suites for small professional firms to contiguous and full-floor opportunities for larger office and technology users seeking to consolidate operations. Existing tenants include established technology and professional services companies, creating a strong corporate environment within the building.Tenants benefit from surface parking at the door, quick access to Highway 417, walkable amenities including restaurants, cafés, fitness facilities, and everyday services, as well as the convenience of an on-site daycare. Ideal for companies seeking a professional office environment with flexibility to grow within one of Ottawa's most established business communities. (id:2493) More details
    Listed by PARADIGM COMMERCIAL REAL ESTATE & BROKERAGE INC. and EXP REALTY
    LISTING DETAILS

  • 110 - 135 MICHAEL COWPLAND DRIVE in Ottawa: Office for lease : MLS®# X13184560

    110 - 135 MICHAEL COWPLAND DRIVE Ottawa K2M 2E9
    Main Photo: 110 - 135 MICHAEL COWPLAND DRIVE in Ottawa: Office for lease : MLS®# X13184560

    110 - 135 MICHAEL COWPLAND DRIVE Ottawa K2M 2E9

    $15 /sqft
    Office
    Status:
    For Lease
    MLS® Num:
    X13184560
    Floor Area:
    1,189 sq. ft.
    Modern office opportunities in the heart of Kanata South with suites available from approximately 500 SF up to 17,000 SF. The property offers flexible leasing options ranging from individual turnkey suites for small professional firms to contiguous and full-floor opportunities for larger office and technology users seeking to consolidate operations. Existing tenants include established technology and professional services companies, creating a strong corporate environment within the building.Current availability includes Unit 110, a 1,189 SF ground floor suite ideal for professional office users seeking direct access and convenience. Tenants benefit from surface parking at the door, quick access to Highway 417, walkable amenities including restaurants, cafés, fitness facilities, and everyday services, as well as the convenience of an on-site daycare. Ideal for companies seeking a professional office environment with flexibility to grow within one of Ottawa's most established business communities. (id:2493) More details
    Listed by PARADIGM COMMERCIAL REAL ESTATE & BROKERAGE INC. and EXP REALTY
    LISTING DETAILS
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Data was last updated May 29, 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.

Why do businesses lease office space in Ontario?

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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