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St. catharines Office for Rent

Showing results 1 - 30 of 116

In St. catharines, the commercial rental market is on the rise, offering diverse opportunities for businesses. Square Yards Canada simplifies your search for the perfect office for rent in St. catharines. Our platform provides a seamless experience with easy-to-use filters for property type, price range, size, and amenities. Start by selecting your desired property type, whether it's retail space or St. catharines office for rent. Refine your search by adjusting price and size to meet your needs. The listings can be sorted by newness or price to find the best options. Explore our St. catharines office for rent listings today and find the perfect space to grow your business.

Last Updated: November 04, 2026

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145 Queenston Street, Niagara, ON , MLS #X14150002 , Image - 1

145 Queenston Street 450 - E. Chester, St. Catharines, Niagara, ON MLS® X14150002

Commercial (Office)

Price On Request

8 Photos

55 King Street, Niagara, ON , MLS #X12596926 , Image - 1

Unit-400, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12596926

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

9 Photos

40 Queen Street, Niagara, ON , MLS #X13556128 , Image - 1

Unit-104, 40 Queen Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13556128

Commercial (Office)

$1000.0

1 Baths

Office space available in a prestigious downtown St. Catharines Office Building with secure and designated underground parking. This building is on a

5 Photos

80 King Street, Niagara, ON , MLS #X12682276 , Image - 1

Unit-Suite 900, 80 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12682276

Commercial (Office)

Price On Request

Rare opportunity to lease a full-floor 18,129 SF in a completely updated downtown landmark professional office/retail building. Competitive lease rate

5 Photos

80 King Street, Niagara, ON , MLS #X12682268 , Image - 1

Unit-Suite 504, 80 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12682268

Commercial (Office)

Price On Request

Excellent opportunity to lease 1,951 SF of professional office space in the heart of downtown St. Catharines. The space features 7 private offices and

5 Photos

80 King Street, Niagara, ON , MLS #X12682254 , Image - 1

Unit-Suite 502, 80 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12682254

Commercial (Office)

Price On Request

Prime downtown St. Catharines office opportunity offering 2,761 SF. with 8 private offices in a completely updated landmark professional office/retail

7 Photos

80 King Street, Niagara, ON , MLS #X12682232 , Image - 1

Unit-Suite 406, 80 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12682232

Commercial (Office)

Price On Request

Completely updated professional building in the heart of downtown St. Catharines offering 504 sq. ft. of functional office space. With ample on-site a

3 Photos

60 James Street, Niagara, ON , MLS #X12688592 , Image - 1

Unit-Floors 2-4, 60 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12688592

Commercial (Office)

Price On Request

Prime downtown St. Catharines office leasing opportunity at the corner of James St. and King St. Offering 42,622 SF across Floors 2-4 with flexible la

3 Photos

60 James Street, Niagara, ON , MLS #X12688556 , Image - 1

Unit-Suite 503, 60 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12688556

Commercial (Office)

Price On Request

Suite 503 at 60 James St, St. Catharines offers 3,104 SF of professional office space with 6 private offices and a large boardroom. Located steps from

3 Photos

60 James Street, Niagara, ON , MLS #X12688534 , Image - 1

Unit-Suite 501, 60 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12688534

Commercial (Office)

Price On Request

Opportunity to lease 2,539 SF of office space in Suite 501 at 60 James St., downtown St. Catharines. The space is currently not built out, offering en

8 Photos

60 James Street, Niagara, ON , MLS #X12688516 , Image - 1

Unit-Suite 300, 60 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12688516

Commercial (Office)

Price On Request

Excellent opportunity to lease 14,101 SF of full-floor, turnkey office space (Suite 300) in the heart of downtown St. Catharines. This former tech cal

3 Photos

60 James Street, Niagara, ON , MLS #X12688484 , Image - 1

Unit-Suite 200, 60 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12688484

Commercial (Office)

Price On Request

Excellent opportunity to lease 14,420 SF of office space comprising the entire second floor (Suite 200) in the heart of downtown St. Catharines. Featu

16 Photos

48 James Street, Niagara, ON , MLS #X14103848 , Image - 1

48 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X14103848

Commercial (Office)

$1995.0

YOUR BUSINESS BELONGS IN THE HEART OF DOWNTOWN. Offered at $1,995/month + HST, all-inclusive, 48 James Street offers a bright, professional workspace

13 Photos

19 Court Street, Niagara, ON , MLS #X14087290 , Image - 1

Unit-Lower, 19 Court Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X14087290

Commercial (Office)

$1700.0

*** Additional Listing Details - Click Brochure Link *** Present Your Business With Confidence In This Client-Facing Executive Suite On The Main Floor

18 Photos

19 Court Street, Niagara, ON , MLS #X14081410 , Image - 1

19 Court Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X14081410

Commercial (Office)

$3200.0

*** Additional Listing Details - Click Brochure Link *** Distinctive Professional Office Space For Lease At 19 Court Street In Downtown St. Catharines

10 Photos

49 Lake Street, Niagara, ON , MLS #X13865476 , Image - 1

Unit-The Rose Room, 49 Lake Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13865476

Commercial (Office)

$1285.0

More than an office, this is a place to build your business. Welcome to The Rose Room at The Apiary, a beautifully furnished private office in the hea

22 Photos

11 King Street, Niagara, ON , MLS #X13689676 , Image - 1

11 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13689676

Commercial (Office)

$2000.0

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282 Linwell Road, Niagara, ON , MLS #X11975888 , Image - 1

Unit-203, 282 Linwell Road 442 - Vine/Linwell, St. Catharines, Niagara, ON MLS® X11975888

Commercial (Office)

Price On Request

900 sq.ft. fully finished Office suite available immediately. Separately metered with common entrance and common reception/ waiting room. Elevators,

2 Photos

282 Linwell Road, Niagara, ON , MLS #X13020284 , Image - 1

Unit-205, 282 Linwell Road 442 - Vine/Linwell, St. Catharines, Niagara, ON MLS® X13020284

Commercial (Office)

Price On Request

Rarely available, fully built-out medical suite located within the well-established Linwell Medical Centre. This turnkey space features multiple exam

13 Photos

110 James Street, Niagara, ON , MLS #X13829734 , Image - 1

Unit-5, 110 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13829734

Commercial (Office)

Price On Request

Exceptional fifth-floor office opportunity at Accel North in downtown St. Catharines. This open-shell space offers outstanding build-to-suit potential

19 Photos

110 James Street, Niagara, ON , MLS #X13829668 , Image - 1

Unit-102, 110 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13829668

Commercial (Office)

Price On Request

Approximately 1909 SF 'Nearly 'Turnkey' ground-floor office suite available at Accel North, featuring a private exterior entrance, welcoming reception

21 Photos

110 James Street, Niagara, ON , MLS #X13829636 , Image - 1

Unit-101, 110 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13829636

Commercial (Office)

Price On Request

Approximately 1,064 SF 'Nearly Turnkey' professional office suite available in the heart of downtown St. Catharines, strategically located across from

8 Photos

49 Lake Street, Niagara, ON , MLS #X13822210 , Image - 1

Unit-Delphinium Room, 49 Lake Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13822210

Commercial (Office)

$1285.0

More than an office, this is a place to build your business. Welcome to The Delphinium Room at The Apiary, a beautifully furnished private office in t

8 Photos

55 King Street, Niagara, ON , MLS #X12596884 , Image - 1

Unit-300, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12596884

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

8 Photos

55 King Street, Niagara, ON , MLS #X12596954 , Image - 1

Unit-404, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12596954

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

8 Photos

55 King Street, Niagara, ON , MLS #X12596998 , Image - 1

Unit-500, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12596998

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

8 Photos

55 King Street, Niagara, ON , MLS #X12600674 , Image - 1

Unit-501, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12600674

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

8 Photos

55 King Street, Niagara, ON , MLS #X12600702 , Image - 1

Unit-600, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12600702

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

8 Photos

55 King Street, Niagara, ON , MLS #X12600730 , Image - 1

Unit-710, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12600730

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

8 Photos

55 King Street, Niagara, ON , MLS #X12600764 , Image - 1

Unit-800, 55 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12600764

Commercial (Office)

Price On Request

Multiple turnkey office spaces available in this well-located downtown professional building. Suites range from approximately 500 sf up to full floors

Shortlisted Properties

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