306 Marlborough Street
Cornwall, ON
- 7 bed
- 3 bath
- approx. 2000-2500 sqft
- Triplex
- 110 days on market
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.
Listing Details
- Taxes (2025)
- $2,196
- Originally Listed
- $434,900
- Listed
- May 25, 2026
Price History
Property
- Style
- 2-Storey
- Construction
- Vinyl Siding
- Roof
- Membrane
- Foundation
- Concrete
- Interior
- Carpet Free
- Lot Size
- 51 x 66 Feet
Parking
- Garage
- None
- Covered Spaces
- 0
- Total Parking
- 0
Utilities
- Sewer
- Sewer
- Heat Source
- Gas
Location & Legal
- Cross Street
- Aberdeen Ave
- Parcel Number
- 601740159
- Possession
- Flexible
- Occupancy
- Tenant
Included
- Exclusions
- All tenant belongings.
Schools
Elementary
- Bishop Macdonell Separate School0.4 km
Catholic · CDSB of Eastern Ontario · 385 students
Grade 3 reading: 47% met the provincial standard · Grade 6 math: 19% met the provincial standard
- École intermédiaire catholique La Citadelle0.4 km
French Catholic · CSDC de l'Est ontarien · 195 students
- Central Public School0.6 km
Public · Upper Canada DSB · 575 students
Grade 3 reading: 44% met the provincial standard · Grade 6 math: 17% met the provincial standard
Secondary
- École secondaire catholique La Citadelle0.5 km
French Catholic · CSDC de l'Est ontarien · 465 students
Grade 10 literacy: 92% met the provincial standard
- Cornwall Collegiate and Vocational School0.7 km
Public · Upper Canada DSB · 575 students
Grade 10 literacy: 72% met the provincial standard
- St Matthew Catholic Secondary School1 km
Catholic · CDSB of Eastern Ontario · 140 students
Grade 10 literacy: 18% met the provincial standard
Straight-line distance. Nearby schools are not necessarily the assigned schools — confirm catchment with the school board. Scores are EQAO provincial test results for 2024-2025.
Community
Postal area K6H
- Population
- 30,440
- Private dwellings
- 14,112
- Median age
- 46
- Average household size
- 2.2
- Median household income
- $61,200
Source: Statistics Canada, 2021 Census of Population, catalogue 98-401-X2021013. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada of this product.
Local market
Residential Freehold in Cornwall · last 12 months
- Median sold price
- $405,000
- Homes sold
- 683
- Median days on market
- 31
- Sale-to-list price
- 97.4%
Based on 683 recorded sales of residential freehold properties in Cornwall over the last 12 months.
Listed by
RE/MAX AFFILIATES MARQUIS LTD.
Walk Score
Walk
Bike
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Location
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Mortgage Calculator
$83,980
Estimated Monthly Payment
$2,063
Land transfer tax
Ontario land transfer tax only. An estimate — not legal or financial advice. Municipal land transfer tax applies in Toronto and is not included.
Investment Analysis
No recent nearby lease data. Enter a rent to see the numbers.
Mortgage: $2,063/mo (20% down, 5.5%)
Taxes: $183/mo · Insurance: $105/mo
Estimates only. Consult a financial advisor.
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