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Niagara Duplex Houses for Sale

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Last Updated: September 30, 2026

25 Photos

436 McAlpine Avenue N, Niagara, ON , MLS #X12947028 , Image - 1

436 McAlpine Avenue N 768 - Welland Downtown, Welland, Niagara, ON MLS® X12947028

Residential Freehold (Duplex)

$479999.0

Price drop by 4.0%

3 Beds
2 Baths
1500-2000 sq-ft

First-time buyers - this is the one you've been waiting for. This legal Welland duplex offers something that rarely comes up in this market: a real ho

47 Photos

60 Margery Road, Niagara, ON , MLS #X13843988 , Image - 1

60 Margery Road 768 - Welland Downtown, Welland, Niagara, ON MLS® X13843988

Residential Freehold (Duplex)

$449000.0

4 Beds
2 Baths
1100-1500 sq-ft

Welcome to 60 Margery Road, Welland - a fully updated, turnkey duplex offering exceptional flexibility for homeowners and investors alike. This well-m

50 Photos

66 Page Street, Niagara, ON , MLS #X13761396 , Image - 1

66 Page Street 873 - Bethel, Port Colborne, Niagara, ON MLS® X13761396

Residential Freehold (Duplex)

$679850.0

Price drop by 2.8%

3 +1 Beds
4 Baths
2000-2500 sq-ft

PRICE DROPPED $20,000 TO PAY FOR DRIVEWAY AND FENCED BACKYARD OR TO PUT TOWARDS DOWN PAYMENT, JUST BETTER PRICE TO HELP BUYERS OUT THERE!!!! BEST VAL

49 Photos

123 A&B First Street Louth N/A, Niagara, ON , MLS #X13633776 , Image - 1

123 A&B First Street Louth N/A 453 - Grapeview, St. Catharines, Niagara, ON MLS® X13633776

Residential Freehold (Duplex)

$1049900.0

Price drop by 4.5%

4 Beds
4 Baths
2000-2500 sq-ft

A truly one-of-a-kind offering in the highly sought-after Grapeview neighbourhood! This rare property features two semi-detached split level homes und

Open House : Sun Oct 04, 01:00 PM to 03:00 PM

15 Photos

70 Courtwright Street, Niagara, ON , MLS #X13638050 , Image - 1

70 Courtwright Street 332 - Central, Fort Erie, Niagara, ON MLS® X13638050

Residential Freehold (Duplex)

$399000.0

3 Beds
2 Baths
1500-2000 sq-ft

ATTENTION INVESTORS! INCOME ALREADY IN PLACE! Under $400,000! The front unit is now leased at $1,500/month, providing immediate rental income to the n

28 Photos

187 Erie Street, Niagara, ON , MLS #X13841662 , Image - 1

187 Erie Street 877 - Main Street, Port Colborne, Niagara, ON MLS® X13841662

Residential Freehold (Duplex)

$559000.0

3 Beds
2 Baths
1100-1500 sq-ft

Rare legal duplex up & down style - both above ground! Recently renovated main/ground level unit - soon vacant! 2 beds, 1 bath and great sized living

20 Photos

8950 Brown Road, Niagara, ON , MLS #X13622244 , Image - 1

8950 Brown Road 222 - Brown, Niagara Falls, Niagara, ON MLS® X13622244

Residential Freehold (Duplex)

$1200000.0

Price drop by 7.7%

4 Beds
2 Baths
2500-3000 sq-ft

Spacious property offering versatile living areas and extensive outdoor features. The main level includes a kitchen, laundry room, and spa area comple

24 Photos

4148 Victoria Avenue, Niagara, ON , MLS #X13840580 , Image - 1

4148 Victoria Avenue 210 - Downtown, Niagara Falls, Niagara, ON MLS® X13840580

Residential Freehold (Duplex)

$579900.0

6 +0 Beds
3 Baths
1500-2000 sq-ft

Exceptional multi-unit investment opportunity, currently operated as a short-term rental! Ideally located just one minute from Great Wolf Lodge and fi

8 Photos

146 Central Avenue, Niagara, ON , MLS #X13663786 , Image - 1

146 Central Avenue 332 - Central, Fort Erie, Niagara, ON MLS® X13663786

Residential Freehold (Duplex)

$399900.0

Price drop by 5.9%

4 Beds
2 Baths
700-1100 sq-ft

Investment opportunity in Central Fort Erie - a great opportunity to live in one unit and rent out the other! This up-and-down duplex is currently ten

47 Photos

24 Prospect Avenue, Niagara, ON , MLS #X13839220 , Image - 1

24 Prospect Avenue 445 - Facer, St. Catharines, Niagara, ON MLS® X13839220

Residential Freehold (Duplex)

$735000.0

4 Beds
3 Baths
1500-2000 sq-ft

This custom built home offers the rare combination of a spacious family residence and a legal duplex with separate hydro meters, Gas meters and furnac

1 Photos

4731 SAINT LAWRENCE Avenue 210 - Downtown, Niagara Falls, Niagara, ON MLS® X13733734

Residential Freehold (Duplex)

$478000.0

Price drop by 20.2%

4 Beds
2 Baths
1500-2000 sq-ft

Solid Legal duplex with big corner lot 64X75 at R5F zoning. One bed room one bathroom and 2 living rooms unit at mainfloor and two bedrooms one bathr

50 Photos

5161-5163 River Road, Niagara, ON , MLS #X13800086 , Image - 1

5161-5163 River Road 210 - Downtown, Niagara Falls, Niagara, ON MLS® X13800086

Residential Freehold (Duplex)

$825000.0

4 Beds
2 Baths
3000-3500 sq-ft

SPECTACULAR NIAGARA RIVER DUPLEX WITH INCREDIBLE INCOME POTENTIAL! Situated on prestigious River Road, one of Niagara's most highly sought-after neigh

29 Photos

185 Catherine Street, Niagara, ON , MLS #X13612578 , Image - 1

185 Catherine Street 332 - Central, Fort Erie, Niagara, ON MLS® X13612578

Residential Freehold (Duplex)

$549900.0

4 Beds
4 Baths
1500-2000 sq-ft

LEGAL DUPLEX - ONE UNIT WITH TWO 2 BEDROOM, 2 BATHROOM APARTMENT and the MAIN FLOOR UNIT WITH 2 BEDROOMS + DEN OR 3RD BEDROOM. Main floor apartment is

42 Photos

162-164 MAIN Street, Niagara, ON , MLS #X13805492 , Image - 1

162-164 MAIN Street 438 - Port Dalhousie, St. Catharines, Niagara, ON MLS® X13805492

Residential Freehold (Duplex)

$635000.0

5 +0 Beds
3 Baths
2000-2500 sq-ft

Welcome to 162 & 164 Main Street, St. Catharine's, located in the highly sought-after Port Dalhousie neighbourhood! This unique property offers a lega

28 Photos

305 Burgar Street, Niagara, ON , MLS #X13738778 , Image - 1

305 Burgar Street 768 - Welland Downtown, Welland, Niagara, ON MLS® X13738778

Residential Freehold (Duplex)

$374900.0

Price drop by 3.8%

4 +0 Beds
2 Baths
1100-1500 sq-ft

Detached, two-storey, solid brick, up/down duplex, in the heart of Welland! This property offers a versatile opportunity for investors, extended famil

19 Photos

43 DACOTAH Street, Niagara, ON , MLS #X13558662 , Image - 1

43 DACOTAH Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13558662

Residential Freehold (Duplex)

$489900.0

2 +1 Beds
2 Baths
1100-1500 sq-ft

Attention Investors, Turn Key Property Located In The Heart Of St. Catharines. Main Floor Unit Features 2 Bedrooms, 1 Washroom With Spacious Living Ro

49 Photos

54 Chestnut Street E, Niagara, ON , MLS #X13748268 , Image - 1

54 Chestnut Street E 455 - Secord Woods, St. Catharines, Niagara, ON MLS® X13748268

Residential Freehold (Duplex)

$665000.0

Price drop by 2.9%

5 Beds
2 Baths
2000-2500 sq-ft

Turnkey duplex with value-add potential! This well-maintained income property features two self-contained units, including a 3-bedroom main-floor suit

26 Photos

148 Geneva Street, Niagara, ON , MLS #X13811482 , Image - 1

148 Geneva Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13811482

Residential Freehold (Duplex)

$749900.0

Price drop by 11.7%

5 Beds
4 Baths
3000-3500 sq-ft

1870 HERITAGE HOME in St. Catharines! Beyond its heritage appeal, the property is zoned R3, offering a wide variety of potential uses subject to buye

7 Photos

314 Broadway Street, Niagara, ON , MLS #X13514942 , Image - 1

314 Broadway Street 772 - Broadway, Welland, Niagara, ON MLS® X13514942

Residential Freehold (Duplex)

$449900.0

Price drop by 9.1%

2 +1 Beds
2 Baths
700-1100 sq-ft

Turn-Key Investment Opportunity in the Heart of Welland! This extensively renovated, duplex at 314 Broadway Avenue offers a completely hands-off, high

36 Photos

97 Deere Street, Niagara, ON , MLS #X13789852 , Image - 1

97 Deere Street 773 - Lincoln/Crowland, Welland, Niagara, ON MLS® X13789852

Residential Freehold (Duplex)

$599000.0

4 Beds
2 Baths
1500-2000 sq-ft

Excellent Duplex Investment Opportunity in Welland!Welcome to 97 Deere Street, a fantastic opportunity for investors, extended families, or buyers loo

34 Photos

43 York Street, Niagara, ON , MLS #X13721904 , Image - 1

43 York Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13721904

Residential Freehold (Duplex)

$398500.0

Price drop by 6.2%

4 +2 Beds
5 Baths
1500-2000 sq-ft

LEGAL DUPLEX - VACANT UPPER UNIT - EXCELLENT INVESTMENT OPPORTUNITY. Excellent opportunity to own a legal duplex in an established St. Catharines neig

27 Photos

164 Lake Street, Niagara, ON , MLS #X13685044 , Image - 1

164 Lake Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13685044

Residential Freehold (Duplex)

$449900.0

2 Beds
2 Baths
1100-1500 sq-ft

Character, Income & Convenience - A Duplex With Personality! Unique character duplex, very well taken care of, with fantastic income potential and pl

39 Photos

4119 DYSON Avenue, Niagara, ON , MLS #X13784096 , Image - 1

4119 DYSON Avenue 210 - Downtown, Niagara Falls, Niagara, ON MLS® X13784096

Residential Freehold (Duplex)

$499000.0

5 +0 Beds
2 Baths
1100-1500 sq-ft

SET YOUR OWN RENT! VACANT DUPLEX INVESTMENT OPPORTUNITY IN A GREAT NIAGARA FALLS LOCATION! Located just minutes from Great Wolf Lodge, the scenic Nia

26 Photos

5174 Jepson Street, Niagara, ON , MLS #X13747810 , Image - 1

5174 Jepson Street 211 - Cherrywood, Niagara Falls, Niagara, ON MLS® X13747810

Residential Freehold (Duplex)

$848888.0

Price drop by 4.5%

4 Beds
2 Baths
1500-2000 sq-ft

STUNNING, VACANT & FULLY TURNKEY LEGAL DUPLEX (2026)!Whether you are a savvy investor looking for immediate market rents or a homebuyer looking to liv

4 Photos

21 Fifth Street, Niagara, ON , MLS #X13757410 , Image - 1

21 Fifth Street 773 - Lincoln/Crowland, Welland, Niagara, ON MLS® X13757410

Residential Freehold (Duplex)

$299900.0

2 +2 Beds
2 Baths
1100-1500 sq-ft

Selling under - Power of Sale. Excellent opportunity for investors, renovators, and value-add buyers in Welland. This legal two-storey duplex offers t

34 Photos

7 Berkshire Drive, Niagara, ON , MLS #X13727088 , Image - 1

7 Berkshire Drive 444 - Carlton/Bunting, St. Catharines, Niagara, ON MLS® X13727088

Residential Freehold (Duplex)

$820999.0

Price drop by 1.7%

2 +2 Beds
2 Baths
1100-1500 sq-ft

**Income-Generating Bungalow in a Prime St. Catharines Location!**Welcome to this beautifully maintained **2020-built detached bungalow**, thoughtfull

47 Photos

31 Stuart Avenue, Niagara, ON , MLS #X13752872 , Image - 1

31 Stuart Avenue 451 - Downtown, St. Catharines, Niagara, ON MLS® X13752872

Residential Freehold (Duplex)

$548000.0

Price drop by 6.8%

3 Beds
2 Baths
1100-1500 sq-ft

Lovely character home with great curb appeal and full of charm located in the coveted Fitzgerald area of downtown St.Catharines. Welcome to 31 Stuart

8 Photos

182 Bertie Street, Niagara, ON , MLS #X13663774 , Image - 1

182 Bertie Street 332 - Central, Fort Erie, Niagara, ON MLS® X13663774

Residential Freehold (Duplex)

$350000.0

4 Beds
2 Baths
1500-2000 sq-ft

Investment opportunity in Central Fort Erie - a great opportunity to live in one unit and rent out the other! This up-and-down duplex offers two self-

Open House : Sat Oct 03, 11:00 AM to 01:00 PM

19 Photos

7808 Longhouse Lane, Niagara, ON , MLS #X13788150 , Image - 1

7808 Longhouse Lane 222 - Brown, Niagara Falls, Niagara, ON MLS® X13788150

Residential Freehold (Duplex)

$849900.0

4 Beds
3 Baths
2000-2500 sq-ft

Welcome to this stunning Empire Built Detached Home in the Desirable Niagara Community! This Beautifully Maintained 4-Bedroom, 3-Bathroom Home Feature

46 Photos

56 Decew Street, Niagara, ON , MLS #X13713270 , Image - 1

56 Decew Street 876 - East Village, Port Colborne, Niagara, ON MLS® X13713270

Residential Freehold (Duplex)

$374900.0

3 +1 Beds
2 Baths
1100-1500 sq-ft

Welcome to 56 Decew St, a legal duplex in Port Colborne offering practical flexibility for investors, owner-occupants, or multi-generational living. T

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