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41 Louisa Street
451 - Downtown St. Catharines L2R 2J5

$599,000
Residential Freehold beds: 2 baths: 2.0

Welcome to 41 Louisa St.
Photo 1: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 2: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 3: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 4: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 5: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 6: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 7: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 8: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 9: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 10: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 11: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 12: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 13: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 14: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 15: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 16: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 17: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 18: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 19: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 20: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 21: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 22: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 23: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 24: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 25: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 26: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 27: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 28: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 29: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 30: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 31: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 32: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 33: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 34: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 35: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Photo 36: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
Status:
Active
Prop. Type:
Residential Freehold
MLS® Num:
X13017716
Bedrooms:
2
Bathrooms:
2
Welcome to 41 Louisa Street A Rarely Offered Legal Duplex! Proudly owned by the same family for 35 years, this solid two-storey brick home offers incredible investment potential or the opportunity to live in one unit and rent out the other. Zoned R2 with two separate hydro meters, the property features two self-contained one-bedroom apartments: Upper Unit: Occupying the entire second floor with its own entrance and exclusive use of the front porch. Features a brand new kitchen (2023), spacious living room, office space, bedroom, and a 4-piece bathroom. Currently vacant and move-in ready. Lower Unit: Spanning the main floor and basement with its own private entrance. Recently freshly painted from top to bottom, including the kitchen cabinets. Offers a full kitchen, living room, office space, bedroom, 4-piece bathroom, plus access to the back deck and backyard. Currently rented to long-term tenants who wish to stay. This property is an excellent addition to any investment portfolio, with the potential to generate $1,595 + hydro per unit. Whether you're a savvy investor or looking for a mortgage helper, 41 Louisa Street is a must-see opportunity.
Under Contract:
Hot Water Heater
Property Type:
Residential Freehold
Property Sub Type:
Duplex
Home Style:
2-Storey
Approx. Age:
100+
Total Approx Floor Area:
1100-1500
Lot Depth:
110'
Lot Frontage:
29'
Lot Shape:
Rectangular
Topography:
Flat
Direction Faces:
North
Bedrooms:
2
Bathrooms:
2.0
Water supply:
Municipal
Kitchens:
2
Bedrooms Above Grade:
2
Kitchens Above Grade:
2
Rooms Above Grade:
11
Rooms Below Grade:
1
Fractional Ownership:
No
Zoning:
R2
Assignment:
No
Heating type:
Water
Heating Fuel:
Gas
Fireplaces:
0
Foundation:
Block
Roof:
Asphalt Shingle
Basement:
Full, Partially Finished
Fireplace/Stove:
No
Garage:
None
Garage Spaces:
0.0
Parking Features:
Mutual
Parking Spaces:
0
Total Parking Spaces:
0.0
Family Room:
Yes
Possession Details:
Vacant Possession is possible.
Pool:
None
HST Applicable To Sale Price:
Included In
Assessment Year:
2025
Taxes:
$2,733 / 2025
Assessment:
$- / 2025
Niagara
St. Catharines
451 - Downtown
Hospital, Level, Park, Public Transit, School
Carpet Free, Floor Drain, Separate Hydro Meter, Water Heater
Deck, Porch
Hot Water Tank
2 Fridges, 2 Stoves
Tenants Belongings
Brick
No
UFFI:
No
Utilities Cable:
Available
Utilities Telephone:
Available
Utilities Gas:
Yes
Utilities Hydro:
Yes
Utilities Water:
Yes
Sewers:
Yes
Energy Certification:
No
Green Property Information Statement:
No
Special Designation:
Unknown
Sewers:
Sewer
Air Conditioning:
None
Central Vacuum:
No
Seller Property Info Statement:
No
Physically Handicapped-Equipped:
No
Laundry Level:
Lower Level
Date Listed:
Apr 19, 2026
Original Price:
Previous Price:
  • Photo 1: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Welcome to 41 Louisa St.
  • Photo 2: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 2 of 36
  • Photo 3: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Front Door access to Upper Unit
  • Photo 4: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 4 of 36
  • Photo 5: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 5 of 36
  • Photo 6: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit uses front porch
  • Photo 7: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Kitchen
  • Photo 8: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Kitchen
  • Photo 9: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Bedroom and Bathroom
  • Photo 10: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Bathroom
  • Photo 11: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Bedroom
  • Photo 12: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Bendroom
  • Photo 13: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Living Room
  • Photo 14: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Living Room and Office Area
  • Photo 15: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Living Room
  • Photo 16: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Side Entrance
  • Photo 17: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Basement
  • Photo 18: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Basement
  • Photo 19: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Basement
  • Photo 20: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 20 of 36
  • Photo 21: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Kitchen
  • Photo 22: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Kitchen
  • Photo 23: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Kitchen
  • Photo 24: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Bedroom
  • Photo 25: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Bedroom
  • Photo 26: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 26 of 36
  • Photo 27: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Bathroom
  • Photo 28: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 28 of 36
  • Photo 29: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Photo 29 of 36
  • Photo 30: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Living Room
  • Photo 31: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Living Room
  • Photo 32: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Upper Unit Entrance
  • Photo 33: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Entrance
  • Photo 34: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Main Unit Back Deck
  • Photo 35: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Back yard
  • Photo 36: 41 Louisa Street in St. Catharines: 451 - Downtown House for sale : MLS®# X13017716
    Back yard
Listed by ROYAL LEPAGE NRC REALTY
Data was last updated May 25, 2026 at 12:15 PM (UTC)
Area Statistics
Listings on market:
11
Avg list price:
$525,000
Min list price:
$411,500
Max list price:
$1,100,000
Avg days on market:
56
Min days on market:
7
Max days on market:
259
These statistics are generated based on the current listing's property type and located in 451 - Downtown. Average values are derived using median calculations. This data is not produced by the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website. The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.