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St. catharines Office for Rent

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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: September 20, 2026

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48 James Street, Niagara, ON , MLS #X13722676 , Image - 1

48 James Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13722676

Commercial (Office)

$2100.0

YOUR NEXT OFFICE, RIGHT IN THE HEART OF DOWNTOWN ST. CATHARINES. Offered at $2,100/month +HST all-inclusive, 48 James Street delivers a bright, functi

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174 Eastchester Avenue, Niagara, ON , MLS #X12718718 , Image - 1

Unit-Lower, 174 Eastchester Avenue 450 - E. Chester, St. Catharines, Niagara, ON MLS® X12718718

Commercial (Office)

$2195.0

Reduced by 12.2%

2 Baths

This beautifully renovated lower-level office suite provides 1,060 square feet of versatile and thoughtfully designed workspace, ideal for a wide rang

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26 Duke Street, Niagara, ON , MLS #X13774582 , Image - 1

Unit-Right Corner, 26 Duke Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13774582

Commercial (Office)

$1550.0

Downtown Core and Surrounded by Federal and Provincial Offices. Fully renovated open concept unit. Best suited for professionals. Natural light floods

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320 Vine Street, Niagara, ON , MLS #X13698716 , Image - 1

320 Vine Street 444 - Carlton/Bunting, St. Catharines, Niagara, ON MLS® X13698716

Commercial (Office)

$5500.0

Tons of parking! Tons of space! Tons of possibilities! Great location directly on north end corridor off the QEW heading towards the lake. Set up your

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23 Smith Street, Niagara, ON , MLS #X13754688 , Image - 1

Unit-2nd Floor Offices, 23 Smith Street 450 - E. Chester, St. Catharines, Niagara, ON MLS® X13754688

Commercial (Office)

Price On Request

2nd-Storey Office with additional 1st floor storage and private secondary entrance available for lease in a well-maintained brick building located in

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58 St. Paul Street W, Niagara, ON , MLS #X13572800 , Image - 1

58 St. Paul Street W 459 - Ridley, St. Catharines, Niagara, ON MLS® X13572800

Commercial (Office)

Price On Request

Excellent opportunity to lease approximately 1,400 sq. ft. within a professional shared medical building. Functional layout includes 4 exam rooms, ded

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65 Grantham Avenue S, Niagara, ON , MLS #X13753204 , Image - 1

Unit-1, 65 Grantham Avenue S 450 - E. Chester, St. Catharines, Niagara, ON MLS® X13753204

Commercial (Office)

$450.0

4 Baths

Individual office spaces are available for lease in St. Catharines, with private rooms starting at $450+ HST per month. Office sizes vary from approxi

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112 Queenston Street, Niagara, ON , MLS #X13751694 , Image - 1

Unit-G4, 112 Queenston Street 450 - E. Chester, St. Catharines, Niagara, ON MLS® X13751694

Commercial (Office)

$1300.0

This property is designed to support a professional environment while keeping operating costs predictable with all-inclusive lease rates. Rent+Hst Inc

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112 Queenston Street, Niagara, ON , MLS #X13751686 , Image - 1

Unit-G3, 112 Queenston Street 450 - E. Chester, St. Catharines, Niagara, ON MLS® X13751686

Commercial (Office)

$1200.0

This property is designed to support a professional environment while keeping operating costs predictable with all-inclusive lease rates. Rent+Hst Inc

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215 Ontario Street, Niagara, ON , MLS #X13708124 , Image - 1

Unit-3A, 215 Ontario Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13708124

Commercial (Office)

$500.0

Office Space in the Heart of St. Catharines, Seeking professionals that can operate with a private office with shared amenities. Prime Location! Situa

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215 Ontario Street, Niagara, ON , MLS #X13708120 , Image - 1

Unit-2D, 215 Ontario Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13708120

Commercial (Office)

$475.0

Office Space in the Heart of St. Catharines, Seeking professionals that can operate with a private office with shared amenities. Prime Location! Situa

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43 Church Street, Niagara, ON , MLS #X13446410 , Image - 1

Unit-302, 43 Church Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13446410

Commercial (Office)

$1100.0

Reduced by 12.0%

Prime downtown commercial office space for lease, located in a secure and well-maintained building in the heart of St. Catharines. This functional uni

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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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1387 Fourth Avenue, Niagara, ON , MLS #X13447082 , Image - 1

1387 Fourth Avenue 454 - Rural Fourth, St. Catharines, Niagara, ON MLS® X13447082

Commercial (Office)

Price On Request

Exceptional 2,800 square foot upper floor office space in a quiet west end area of St. Catharines near the corner of Third Street. Bright and modern l

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437 Welland Avenue, Niagara, ON , MLS #X13653600 , Image - 1

Unit-1&2, 437 Welland Avenue 444 - Carlton/Bunting, St. Catharines, Niagara, ON MLS® X13653600

Commercial (Office)

$12000.0

Up to 12,000 sq. ft. of office space available in a professional, well-maintained, free-standing building near the corner of Welland Avenue and Granth

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405 ST.PAUL Street, Niagara, ON , MLS #X13648152 , Image - 1

405 ST.PAUL Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13648152

Commercial (Store W Apartment/Office)

$1350.0

GREAT OPORTUNITY!!! Retail Store for Lease in Downtown Core in St. Catharine's. Gross Monthly Rent only $1350 + HST . Fantastic Exposure, Open Concept

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437 Welland Avenue, Niagara, ON , MLS #X13646444 , Image - 1

Unit-1, 437 Welland Avenue 444 - Carlton/Bunting, St. Catharines, Niagara, ON MLS® X13646444

Commercial (Office)

$6000.0

Up to 12,000 sq. ft. of office space available in a professional, well-maintained, free-standing building near the corner of Welland Avenue and Granth

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110 Hannover Drive, Niagara, ON , MLS #X13641416 , Image - 1

Unit-206B, 110 Hannover Drive 453 - Grapeview, St. Catharines, Niagara, ON MLS® X13641416

Commercial (Office)

Price On Request

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110 Hannover Drive, Niagara, ON , MLS #X13641410 , Image - 1

Unit-201B, 110 Hannover Drive 453 - Grapeview, St. Catharines, Niagara, ON MLS® X13641410

Commercial (Office)

Price On Request

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12 CHURCH Street, Niagara, ON , MLS #X12909272 , Image - 1

Unit-3, 12 CHURCH Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X12909272

Commercial (Office)

$1700.0

BEAUTIFUL 2ND FLOOR OFFICE SPACE IN DOWNTOWN CHARACTER BUILDING JUST DOWN FROM CITY HALL AND COURT HOUSE, MAJOR BANKS FULLY RENOVATED WITH HARDWOOD FL

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589 LAKE Street, Niagara, ON , MLS #X13042586 , Image - 1

Unit-206, 589 LAKE Street 437 - Lakeshore, St. Catharines, Niagara, ON MLS® X13042586

Commercial (Office)

Price On Request

Great opportunity to lease a fully improved medical suite within the reputable Lakeshore Health Centre. This 593 sq.ft. move-in ready space offers a w

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40 Queen Street, Niagara, ON , MLS #X13543564 , Image - 1

Unit-102, 40 Queen Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13543564

Commercial (Office)

Price On Request

+/-1,050 sq. ft. of office space available in a prestigious downtown St. Catharines Office Building with secure and designated underground parking. Th

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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

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366 Bunting Road, Niagara, ON , MLS #X13558680 , Image - 1

Unit-A3, 366 Bunting Road 444 - Carlton/Bunting, St. Catharines, Niagara, ON MLS® X13558680

Commercial (Office)

Price On Request

Designed for today's workforce, this fully built-out customer engagement and operations centre offers a rare turnkey opportunity in the Niagara Region

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179 King Street, Niagara, ON , MLS #X13531932 , Image - 1

Unit-Upper, 179 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13531932

Commercial (Office)

$1850.0

THIS APPROX 750 SQ FT UPPER LEVEL OFFICE SPACE IS SITUATED IN A GREAT DOWNTOWN LOCATION. THIS OFFICE SPACE COMES WITH PARKING AND IS IDEAL FOR EITHER

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145 KING Street, Niagara, ON , MLS #X13539696 , Image - 1

Unit-Lower Level, 145 KING Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13539696

Commercial (Office)

$1400.0

Part of the Hendriks Business Centre building, this very affordable lower level office space offers great downtown visibility right at the corner of K

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320 Vansickle Road, Niagara, ON , MLS #X13489200 , Image - 1

Unit-4, 320 Vansickle Road 459 - Ridley, St. Catharines, Niagara, ON MLS® X13489200

Commercial (Office)

Price On Request

Well-positioned 1,381 sq.ft. commercial space available in one of St. Catharines' established business corridors, just off Fourth Avenue. The property

27 Photos

48 Carlisle Street, Niagara, ON , MLS #X13520984 , Image - 1

48 Carlisle Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13520984

Commercial (Office)

$2450.0

PRIME DOWNTOWN COMMERCIAL SPACE WITH INCREDIBLE FLEXIBILITY (ALSO AVAILABLE FOR PURCHASE) Position your business in one of downtown St. Catharines's m

26 Photos

1338 FOURTH Avenue, Niagara, ON , MLS #X13090254 , Image - 1

1338 FOURTH Avenue 454 - Rural Fourth, St. Catharines, Niagara, ON MLS® X13090254

Commercial (Office)

Price On Request

Rare offering of a fully built-out medical suite for lease at The Branscombe Centre, a professional medical building located close to the Moratta Fami

24 Photos

243 Church Street, Niagara, ON , MLS #X12449681 , Image - 1

Unit-100, 243 Church Street 450 - E. Chester, St. Catharines, Niagara, ON MLS® X12449681

Commercial (Office)

Price On Request

2 Baths

Discover the perfect location for your business in this well-maintained, brick commercial building. The Business Block is ideally situated near the in

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