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Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 1 of 14
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Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 3 of 14
Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 4 of 14
Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 5 of 14
Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 6 of 14
Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 7 of 14
Triplex for sale at 306 Marlborough Street N, Cornwall - 7 bedroom, 3 bathroom - Photo 8 of 14
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$434,900

306 Marlborough St N

Cornwall, ON K6H 4A3

306 Marlborough St N, CornwallListed at $434,900. 7 bedroom, 3 bathroom 2-Storey. MLS® X13169918.

7Beds
3Baths
2000-2500sqft
2-Storey
$2,196 (2025)

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Description

Located in the desirable Marlborough neighbourhood, directly across from the Joe St. Denis Football Field, this 7-bedroom triplex presents a compelling opportunity for investors seeking strong income potential. The property is currently generating approximately $3,647.80 per month in rental income (approximately $43,773.60 annually) from three occupied units. Based on current operating figures, the property offers an approximate Net Operating Income of $34,354.60 and an estimated cap rate of approximately 7.9%, making it an attractive addition to an investment portfolio. Positioned in an established residential area with convenient access to schools, parks, and amenities, this income-producing property combines location, rental demand, and solid returns. 24 Hour notice required for all showings. 48 Hour irrevocable on all offers as per Form 244.

Property Details

Property TypeTriplex
Style2-Storey
Community717 - Cornwall
Rooms16
Kitchens3
Washrooms3
Square Feet2000-2500 sqft
Lot Dimensions51 × 66 ft
Fronting OnWest
Dir/Cross StAberdeen Ave
Garage TypeNone
ExteriorVinyl Siding
RoofMembrane
FoundationConcrete
BasementFull, Unfinished
Heating TypeForced Air
Heating SourceGas
A/CNone
SewersSewer
Taxes (2025)$2,196
HSTIncluded In
Listed Date5/25/2026
Days on Market49 days
PossessionTBA
Vick Yogeswaran - REALTOR

Your agent: Vick Yogeswaran

REALTOR® · RE/MAX Realtron Realty Inc.

Same-day showings available
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Listing Courtesy of: RE/MAX AFFILIATES MARQUIS LTD.

MLS® #X13169918

TRREBMLS®

The listing data is provided under copyright by the Toronto Regional Real Estate Board (TRREB). The listing data is deemed reliable but is not guaranteed accurate by TRREB. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by The Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

© 2026 Toronto Regional Real Estate Board. All rights reserved.

HouseIndex Take: 306 Marlborough Street N

This triplex (2-Storey) is located in the 717 - Cornwall neighbourhood of Cornwall.

The home offers 7 bedrooms, 3 bathrooms.

Features include a full, unfinished basement.

Additional details: lot dimensions of 51 × 66 feet.

Listed at $434,900 CAD with annual property taxes of $2,196 (2025).