45.4338° N · 75.6448° W — Castle Heights, Ottawa — MLS® #X13596528
528 Guy St
$535,000
Castle Heights, Ottawa, Ontario K1K 1B9
- 4+1
- BedroomsBeds
- 2
- BathroomsBaths
- 3000-3500 sqft3000-3500
- SizeSq ft
- 40 x 109 ft
- Lot sizeLot
Inquire about this listing
In short · from the listing record
528 Guy St is a 4+1-bedroom, 2-bathroom duplex in Castle Heights, Ottawa, listed for sale at an asking price of $535,000 (MLS® X13596528).
Excellent opportunity for investors or owner-occupants with this well-maintained up-and-down duplex offering strong income potential and flexible living arrangements. Live in one unit while generating rental income from the other, or maximize your investment by renting both units. The main floor unit is currently vacant and features a spacious layout with 1 bedroom and the potential for a second bedroom in the lower level. This unit offers a bright eat-in kitchen, generous living and dining/family room areas, ample storage space, and an updated bathroom. The vacant status provides immediate occupancy for an owner-user or the opportunity to secure market rent. The upper unit features 2 bedrooms, a spacious living room, dedicated laundry area, and a private south-facing balcony that enjoys excellent natural light throughout the day. This unit is currently rented at $995/month, providing immediate income from day one. Several major updates have already been completed, helping to reduce future capital expenses and providing peace of mind for the next owner. Improvements include a new roof (2023), gas furnace (2018), hot water tanks (2015), renovated main floor bathroom (2014), and weeping tile with sump pump installation in the basement (2009). The property offers manageable operating costs with 2025 expenses including approximately $816 for water, $1,044 for hydro servicing the main floor, common areas and upper unit common services, and approximately $1,700 annually for Enbridge natural gas heating serving both units. Whether you're looking to offset your mortgage through rental income, expand your investment portfolio, or secure a property with future upside, this duplex offers flexibility, functionality, and long-term value. With one unit already generating income and the other available for immediate occupancy or rental, this is an excellent opportunity in today's market. Some photos virtually staged.
Listing readings
How it measures up
Scores from the listing record and the market around it.
83Good
Condition score
3 documented update signals
Listing age, structured features and disclosed update language; not an inspection.
98Strong
Cash flow quality
+$1,226/mo against the cost of owning (20% down, 4.8%, 25 yrs)
Median of 25 homes with 5 bedrooms for lease in Ottawa right now. Cost of owning counts the mortgage and property tax.
Condition uses listing-record signals, not an inspection.
The data table
Every fact
Everything the board publishes for this home.
- Tax
- $3,995 / 2025
- MLS® number
- X13596528
- Board
- TRREB MLS®
- Property Type
- Duplex
- Time on market
- Size
- 3000-3500 sqft
- Lot Size
- 40 x 109 ft
- Listed on
- Parking
- None, 3 Parking
Listing history
Listing activity for 528 Guy St, Ottawa, Ontario
| Date Start | Date End | List Price | Price | Event | Listing ID |
|---|---|---|---|---|---|
| Date StartN/A | N/A | $535,000 | N/A | Ext | X13596528 |
Inside
Room by room
From the listing.
- Primary3.04 × 3.35 m
- Dining2.43 × 4.29 m
- Kitchen3.45 × 4.26 m
- Living4.41 × 5.18 m
- Family4.41 × 5.18 m
- Living4.64 × 5.18 m
- Kitchen2.43 × 2.94 m
- Primary3.35 × 3.68 m
- Br2.56 × 3.98 m
Property
- Property Type
- Duplex
- Style
- 2-Storey
- Community
- Castle Heights
- Municipality
- Ottawa
Building
- Size
- 3000-3500 sqft
- Construction
- Stone
Inside
- Bedrooms
- 4+1
- Bathrooms
- 2
- Bathroom Details
- 1 × 3pc Upper, 1 × 3pc Main
- Basement Type
- Unfinished
- Kitchens
- 2
Parking
- Driveway
- Private
- Garage Type
- None
- Additional Parking
- 3
- Total Parking
- 3
Utilities
- Water
- Municipal
- Cooling
- None
- Heating Type
- Forced Air
Land
- Sewer
- Sewers
- Frontage
- 40 ft
- Depth
- 109 ft
- Lot Size
- 40 x 109 ft
Where it sits
The street and the area
Asking prices on the map.
Map and tour
Transit nearby
| Station | Lines | Distance |
|---|---|---|
| St-Laurent | OC Transpo light rail: O-Train Line 1 | 1.6 km |
| Cyrville | OC Transpo light rail: O-Train Line 1 | 1.6 km |
| Tremblay | OC Transpo light rail: O-Train Line 1 | 1.8 km |
| Lees | OC Transpo light rail: O-Train Line 1 | 2.8 km |
| Lycée Claudel | OC Transpo bus rapid transit: Transitway | 3.4 km |
The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: OC Transpo schedule data (GTFS) from the City of Ottawa under the Open Government Licence – City of Ottawa, downloaded October 18, 2026. Contains information licensed under the Open Government Licence – City of Ottawa.
Site report
What the record says
What the City and the conservation authority have on file for this address.
- ca regulatedNone in rangeNot in Rideau Valley Conservation Authority’s mapped regulated area
- floodNone in rangeNot in the municipality’s mapped flood area
- provincial plansNone in rangeOutside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areas
- wetlandNone in rangeNo mapped wetland within 120 m
- aggregateNone in rangeNo licensed pit or quarry within 2 km
- wellsNone in rangeNo recorded oil, gas or salt well within 250 m
- transitOn recordTransit stop within 400 m From the transit agency’s published stop map; the nearest is 150 m away. Routes and stops change; check the agency’s schedule.
- trailOn recordA trail on the Ontario trail network within 1 km
- airportOn recordNearest airport: 2.5 km
- water wellsOn record7 water-supply wells recorded within 250 m All were drilled for domestic use; 11 test or monitoring holes also recorded. From Ontario’s well records; locations can be approximate. The records do not show how this home gets its water. Wells nearby typically go down about 6.1 m.
- groundwaterOn recordGroundwater recorded about 3 m below ground nearby The middle water level in the well records within 500 m (81 records). It changes with the season and from spot to spot.
- bedrockOn recordBedrock about 4.6 m down nearby The middle depth to bedrock in the well records within 500 m.
- npriNone in rangeNo facility within 1 km reports pollutant releases to Environment Canada The nearest is HYDRAULI-CHROME INC, 2.4 km away. Only facilities above the inventory’s reporting thresholds are listed.
- fcsiNone in rangeNo federal contaminated site within 1 km The federal inventory covers federal land only; it says nothing about provincial or private sites.
- electricityOn recordElectricity is distributed here by Hydro Ottawa Limited
- internet speedOn recordWired internet 50/10 Mbps or faster is listed at a household 40 m away Fixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (40 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.
- broadbandOn recordAcross the surrounding area: fibre to the home, cable, DSL internet listed Fibre to the home: Bell, FibreStream, Rogers. Cable: Rogers. DSL: Bell. Fixed wireless: OmniTEC Wireless, Rogers, Storm Internet, Xplore. Mobile: Bell, Rogers, Telus, Vidéotron. Satellite: Xplore. ISED’s list for the surrounding ~25 km² area; check with a provider for this address.
Each record is the map at the home’s location, not an inspection. Confirm anything that matters with the municipality, Rideau Valley Conservation Authority or the record’s publisher.
Contains information licensed under the Open Government Licence – Canada. Contains information licensed under the Open Government Licence – City of Ottawa. Contains information licensed under the Open Government Licence – Ontario.
Lot
- Lot area
- 4,360 sq ft405 m²
- Street frontage
- 40 ft12.2 m
- Depth
- 109 ft33.2 m
The area is the frontage multiplied by the depth, so boundaries are approximate. Confirm with a survey before you buy.
Source: the MLS® listing record.
Land transfer tax on this home
- Ontario land transfer tax
- $7,175
- Total land transfer tax
- $7,175
- First-time buyer rebates (Ontario up to $4,000)
- −$4,000
- Total for first-time buyers
- $3,175
See how this is worked out
- 0.5% on the first $55,000
- $275
- 1.0% from $55,000 to $250,000
- $1,950
- 1.5% from $250,000 to $400,000
- $2,250
- 2.0% from $400,000 to $535,000
- $2,700
- Ontario total
- $7,175
An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.
Schools
Nearest schools
Straight-line distances. Check catchments with the board.
ElementaryEQAO average 2024–25
- Queen Elizabeth Public SchoolOttawa-Carleton DSBPublic · grades JK–8 · French Immersion47%Grade 6 average500 m
- Robert E. Wilson Public SchoolOttawa-Carleton DSBPublic · grades JK–6 · French Immersion70%Grade 6 average500 m
- St Michael Elementary SchoolOttawa Catholic School BoardCatholic · grades JK–6 · French Immersion70%Grade 6 average650 m
- École élémentaire catholique Horizon-JeunesseConseil des écoles catholiques du Centre-EstFrench-language Catholic · grades JK–685%Grade 6 average1.2 km
SecondaryGrade 9 math 2024–25
- Ottawa Technical Secondary SchoolOttawa-Carleton DSBPublic · grades 9–12 · French Immersion23%Grade 9 math550 m
- École secondaire catholique de l’innovationConseil des écoles catholiques du Centre-EstFrench-language Catholic · grades 9–1267%Grade 9 math950 m
- École secondaire catholique Samuel-GenestConseil des écoles catholiques du Centre-EstFrench-language Catholic · grades 9–1268%Grade 9 math1.5 km
- Immaculata High SchoolOttawa Catholic School BoardCatholic · grades 9–12 · French Immersion55%Grade 9 math3.8 km
EQAO: share of students at or above the provincial standard, 2024–25 (Ontario open data). These are the schools nearest this home, not the schools it is assigned to: boundaries change, and some schools take students by application. Confirm with the board before you buy. Contains information licensed under the Open Government Licence – Ontario.
Searches this home is in
Keep looking
The ledger
What it costs to own
Worked out for this home. Change any number.
A month, all in
$2,774
- Mortgage$2,441
- Property tax$333
A planning figure, not a quote.
Land transfer tax
$7,175
$3,175 for first-time buyers.
Rent, similar homes
$4,000
a month, median asking rent of 25 similar homes in Ottawa.
Community
Who lives around it
Similar homes
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The Keith and Françoise Real Estate TeamEXP REALTY
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