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Niagara Duplex Houses for Sale

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Last Updated: August 14, 2026

20 Photos

15 Old Oxford Road, Niagara, ON , MLS #X13477810 , Image - 1

15 Old Oxford Road 442 - Vine/Linwell, St. Catharines, Niagara, ON MLS® X13477810

Residential Freehold (Duplex)

$669000.0

Price drop by 10.8%

3 +2 Beds
3 Baths
700-1100 sq-ft

Located in a mature, quiet north-end St. Catharines neighbourhood, this fully updated legal side-split duplex is a turnkey income property delivering

47 Photos

60 Margery Road, Niagara, ON , MLS #X13613488 , Image - 1

60 Margery Road 768 - Welland Downtown, Welland, Niagara, ON MLS® X13613488

Residential Freehold (Duplex)

$485000.0

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

34 Photos

43 York Street, Niagara, ON , MLS #X13140394 , Image - 1

43 York Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13140394

Residential Freehold (Duplex)

$450000.0

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

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)

$425000.0

4 Beds
2 Baths
700-1100 sq-ft

Investment opportunity in Central Fort Erie. This up-and-down duplex is currently tenant occupied, offering an opportunity for investors looking to ad

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. This up-and-down duplex offers two self-contained units, both currently occupied by month-to-month tenant

5 Photos

4602 Ryerson Crescent, Niagara, ON , MLS #X13663612 , Image - 1

4602 Ryerson Crescent 210 - Downtown, Niagara Falls, Niagara, ON MLS® X13663612

Residential Freehold (Duplex)

$629000.0

4 +0 Beds
2 Baths
1500-2000 sq-ft

Beautifully renovated and thoughtfully updated, this legal duplex blends modern comfort with the warmth and character of its original old-world detail

1 Photos

5 Thomas Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13663548

Residential Freehold (Duplex)

$549000.0

4 Beds
2 Baths
1500-2000 sq-ft

2 STOREY DUPLEX ZONED R3, PRIVATE PAVED DRIVE, GARAGE, DEEP LOT, MAIN FLOOR 2 BDRM APARTMENT OCCUPIED BY TENANT AND 2 BEDROOM APARTMENT ON SECOND FLO

4 Photos

42 Cumming Street, Niagara, ON , MLS #X13659544 , Image - 1

42 Cumming Street 458 - Western Hill, St. Catharines, Niagara, ON MLS® X13659544

Residential Freehold (Duplex)

$599000.0

4 Beds
2 Baths
1100-1500 sq-ft

Fantastic Turnkey Duplex in Desirable West St. Catharines! Attention investors and first time buyers! This versatile, well-maintained duplex offers

43 Photos

24 Prospect Avenue, Niagara, ON , MLS #X13646006 , Image - 1

24 Prospect Avenue 445 - Facer, St. Catharines, Niagara, ON MLS® X13646006

Residential Freehold (Duplex)

$775000.0

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 making it ideal for ho

19 Photos

13 Delaware Street, Niagara, ON , MLS #X13656778 , Image - 1

13 Delaware Street 445 - Facer, St. Catharines, Niagara, ON MLS® X13656778

Residential Freehold (Duplex)

$699000.0

3 +1 Beds
2 Baths
1500-2000 sq-ft

ATTENTION INVESTORS, FIRST-TIME BUYERS & MULTI-GENERATIONAL FAMILIES! Rare opportunity to own a well-maintained duplex offering immediate rental incom

4 Photos

21 Fifth Street, Niagara, ON , MLS #X13536094 , Image - 1

21 Fifth Street 773 - Lincoln/Crowland, Welland, Niagara, ON MLS® X13536094

Residential Freehold (Duplex)

$329900.0

Price drop by 5.7%

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

Excellent opportunity for investors, renovators, and value-add buyers in Welland. This legal two-storey duplex offers two separate two-bedroom units,

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)

$1099900.0

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 backsplit homes under

5 Photos

3493 Highway 3 N/A, Niagara, ON , MLS #X13505862 , Image - 1

3493 Highway 3 N/A 874 - Sherkston, Port Colborne, Niagara, ON MLS® X13505862

Residential Freehold (Duplex)

$499000.0

5 Beds
2 Baths
2000-2500 sq-ft

Just Listed! 2-Storey Legal Duplex on 2.4 Acres. An exceptional opportunity awaits with this well-built 2.5-storey century farmhouse, situated on a 2.

28 Photos

5180 Southgate Avenue, Niagara, ON , MLS #X13571602 , Image - 1

5180 Southgate Avenue 212 - Morrison, Niagara Falls, Niagara, ON MLS® X13571602

Residential Freehold (Duplex)

$825000.0

3 Beds
2 Baths
1500-2000 sq-ft

Welcome to serenity! This stunning home is situated in a beautiful and QUIET neighbourhood with mature trees, yet only minutes to major hwys! Gorgeous

4 Photos

697 Niagara Boulevard, Niagara, ON , MLS #X13165206 , Image - 1

697 Niagara Boulevard 332 - Central, Fort Erie, Niagara, ON MLS® X13165206

Residential Freehold (Duplex)

$499900.0

4 Beds
2 Baths
2500-3000 sq-ft

Up and Down Duplex overlooking the Niagara River. Over $50,000 in capital improvements in the past 3 years. Duplex contains two 2-bed/1-bath units.

41 Photos

20 Dufferin Street, Niagara, ON , MLS #X13154820 , Image - 1

20 Dufferin Street 332 - Central, Fort Erie, Niagara, ON MLS® X13154820

Residential Freehold (Duplex)

$449900.0

Price drop by 4.3%

4 Beds
3 Baths
1500-2000 sq-ft

Fantastic investment opportunity in the heart of Fort Erie! This well-located 2-storey duplex offers excellent income potential with the added possibi

44 Photos

4454 Huron Street, Niagara, ON , MLS #X13508940 , Image - 1

4454 Huron Street 210 - Downtown, Niagara Falls, Niagara, ON MLS® X13508940

Residential Freehold (Duplex)

$459900.0

Price drop by 8.0%

4 Beds
3 Baths
1500-2000 sq-ft

Exceptional duplex in a prime Niagara Falls location! This well-maintained property offers an outstanding opportunity for investors or owner-occupants

30 Photos

333 Ridge Road S, Niagara, ON , MLS #X13627340 , Image - 1

333 Ridge Road S 337 - Crystal Beach, Fort Erie, Niagara, ON MLS® X13627340

Residential Freehold (Duplex)

$479990.0

4 Beds
2 Baths
1500-2000 sq-ft

Welcome to 333 Ridge Road South, a rare find just steps from the water in Crystal Beach, with two completely self-contained units recognized as a dupl

8 Photos

29 Rodman Street, Niagara, ON , MLS #X13129498 , Image - 1

29 Rodman Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13129498

Residential Freehold (Duplex)

$449000.0

Price drop by 10.0%

3 Beds
2 Baths
1100-1500 sq-ft

Welcome to 29 Rodman Street, a fantastic duplex opportunity offering flexibility for both investors and owner-occupants alike! This well-maintained pr

1 Photos

45 Catherine Street 332 - Central, Fort Erie, Niagara, ON MLS® X13485678

Residential Freehold (Duplex)

$699000.0

4 +2 Beds
4 Baths
2000-2500 sq-ft

Exceptional turnkey duplex offering endless possibilities for investors, multi-generational families, or savvy buyers looking to offset their mortgage

39 Photos

59 Asher Street, Niagara, ON , MLS #X13502570 , Image - 1

59 Asher Street 768 - Welland Downtown, Welland, Niagara, ON MLS® X13502570

Residential Freehold (Duplex)

$475000.0

Price drop by 5.0%

4 Beds
2 Baths
1500-2000 sq-ft

Attention investors and first-time home buyers! Don't miss this fantastic opportunity to own a solid, maintenance-free duplex in a desirable Welland n

41 Photos

73 Hillview Road, Niagara, ON , MLS #X13640708 , Image - 1

73 Hillview Road 458 - Western Hill, St. Catharines, Niagara, ON MLS® X13640708

Residential Freehold (Duplex)

$399900.0

4 Beds
2 Baths
1500-2000 sq-ft

INVESTORS, HOUSE HACKERS, AND NATURE LOVERS-THIS ONE IS A RARE FIND! Welcome to 73 Hillview Road, a unique property offering incredible income potenti

3 Photos

4819 Fourth Avenue, Niagara, ON , MLS #X12911732 , Image - 1

4819 Fourth Avenue 211 - Cherrywood, Niagara Falls, Niagara, ON MLS® X12911732

Residential Freehold (Duplex)

$365000.0

Price drop by 15.1%

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

Looking for the right Handyman.... This Niagara Falls Duplex is looking for someone to take the time and care to fix/ renovate the units., currently u

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! New Price - Under $400,000! 100% vacant duplex with verified rental potential of $3,100/month, delivering an impressive 9.3%+ gro

35 Photos

15 Adelaide Street, Niagara, ON , MLS #X12924718 , Image - 1

15 Adelaide Street 542 - Grimsby East, Grimsby, Niagara, ON MLS® X12924718

Residential Freehold (Duplex)

$649500.0

Price drop by 7.2%

4 Beds
2 Baths
2000-2500 sq-ft

Welcome home to 15 Adelaide Street Grimsby. This property is a unique opportunity in the heartof downtown Grimsby. Discover the possibilities of this

28 Photos

107 Lake Street, Niagara, ON , MLS #X13636488 , Image - 1

107 Lake Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13636488

Residential Freehold (Duplex)

$419000.0

4 Beds
2 Baths
1100-1500 sq-ft

Welcome to 107 Lake Street, an exceptional, fully renovated duplex for sale in the vibrant heart of downtown St. Catharines, offering a turn-key oppor

29 Photos

10 Dunlop Street, Niagara, ON , MLS #X13634816 , Image - 1

10 Dunlop Street 332 - Central, Fort Erie, Niagara, ON MLS® X13634816

Residential Freehold (Duplex)

$389999.0

4 Beds
2 Baths
1500-2000 sq-ft

Incredibly affordable, fully vacant duplex in a desirable Fort Erie neighbourhood, ideal for investors or owner-occupiers. Two self-contained 2-bedroo

7 Photos

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

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

Residential Freehold (Duplex)

$474900.0

Price drop by 4.0%

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

14 Bond Street, Niagara, ON , MLS #X13627992 , Image - 1

14 Bond Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13627992

Residential Freehold (Duplex)

$479000.0

3 Beds
2 Baths
1100-1500 sq-ft

LEGAL DUPLEX!!! Ideally located just steps from vibrant St. Paul Street, this well-maintained, income-generating property presents an exceptional oppo

42 Photos

6070 Culp Street, Niagara, ON , MLS #X13563240 , Image - 1

6070 Culp Street 216 - Dorchester, Niagara Falls, Niagara, ON MLS® X13563240

Residential Freehold (Duplex)

$684900.0

Price drop by 0.7%

5 +1 Beds
4 Baths
2000-2500 sq-ft

Exceptional Investment Opportunity - Legal Duplex with 3 Rental Units & Owner's Suite! Looking to grow your real estate portfolio? Welcome to 6070 Cul

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