- Bedrooms
- 3
- Bathrooms
- 3
- Size
- 1,500–2,000sq ft
- Per sq ft
- $542at the range’s middle
- Lot
- 25 x 93 ft
- Tax a year
- $8,1362025 tax year
- Built
- 100+
- Parking
- 11 none
- Days on market
- Members
The brief
About 12 Lewis St
12 Lewis St is a 3-bedroom, 3-bathroom duplex in Ottawa Centre/Golden Triangle, Ottawa, listed for sale at an asking price of $949,000 (MLS® X13069314).
Welcome to 12 Lewis Street, this elegant all-brick duplex ideally located in Ottawa's prestigious Golden Triangle, where city living meets a quiet, established neighbourhood feel. Presenting a rare opportunity for investors, developers, renovators, or those seeking to craft their dream home in a prime location. Zoning Code N4B[478], this well-appointed property features two self-contained units, each thoughtfully designed with functional layouts and timeless appeal. Unit 1offers a warm and inviting space, featuring a comfortable living room with a wood-burning fireplace, a dining room, a well-appointed kitchen, a bedroom, and a full hallway bathroom. The unit also provides direct access to the rear yard, enhancing both convenience and livability. Unit 2 includes a bright and spacious bedroom with an additional den/closet area, a full bathroom, a kitchen with quartz countertops, and an open-concept living and dining area. This level also features a dedicated laundry closet and access to a private rear balcony, creating a comfortable and functional living space. The classic brick exterior and deep urban lot provide exceptional potential for renovation, redevelopment, or customization, allowing the next owner to maximize the property's value and versatility. Additional features include a private backyard, side driveway with off-street parking, and an unfinished basement, offering ample storage and further development potential. Ideally situated just steps from Elgin Street and within walking distance to the Rideau Canal, National Arts Centre, downtown Ottawa, University of Ottawa, Lisgar Collegiate, parks, bike paths, LRT access, and an outstanding selection of restaurants and cafés, this property offers an unparalleled urban lifestyle in a quiet, established setting. This property must be sold together with 8 Lewis St and 10 Lewis St. Property sold as is, where is. 24-hour irrevocable on all offers.
Insights
Condition Score
Fair56/100Listing notes possible renovation needs
Source: Listing age, structured features and disclosed update language; not an inspection.
Cashflow Quality
Shortfall12/100−$2,408/mo against the cost of owning (20% down, 4.8%, 25 yrs)
Source: Median of 5 multiplexes with 3 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 home
Key facts
- Tax
- $8,136 / 2025
- MLS® number
- X13069314
- Board
- TRREB MLS®
- Property Type
- Duplex
- Building Age
- 100+
- Days on market
- Size
- 1500-2000 sqft
- Lot Size
- 25 x 93 ft
- Listed on
- Parking
- 1 None, 1 Parking
Property details
Property
- Property Type
- Duplex
- Style
- 2-Storey
- Community
- Ottawa Centre/Golden Triangle
- Municipality
- Ottawa
Building
- Size
- 1500-2000 sqft
- Building Age
- 100+
- Construction
- Brick
Inside
- Bedrooms
- 3
- Bathrooms
- 3
- Bathroom Details
- 3 × 4pc
- Basement Type
- Finished
- Kitchens
- 2
Parking
- Driveway
- Lane
- Garage Type
- None
- Garage
- 1
- Additional Parking
- 0
- Total Parking
- 1
Utilities
- Water
- Municipal
- Cooling
- Central Air
- Heating Type
- Forced Air
Land
- Sewer
- Sewers
- Frontage
- 25 ft
- Depth
- 93 ft
- Lot Size
- 25 x 93 ft
Additional
- Foundation
- Stone
- Roof
- Asphalt Shingle
- Fireplace
- Yes
- Pool
- None
- Den
- Yes
- Family room
- Yes
- Extras
- Unit 1: Fridge, Dishwasher, Cook top, washer and dryer Unit 2: Fridge, Dishwasher, Cook top, washer and dryer
Rooms
Room details unavailable
The listing source did not provide room-level measurements or features.
Listing history
Buy/sell history for 12 Lewis St, Ottawa, Ontario
Sale history on this site covers the last 2 years, the window permitted under the TRREB MLS® VOW agreement.
| Date Start | Date End | List Price | Price | Event | Listing ID |
|---|---|---|---|---|---|
| Date StartN/A | N/A | $949,000 | N/A | Ext | X13069314 |
Members see the full history. Prices are hidden from signed-out visitors.
The numbers
Mortgage Calculator
Plan with the current asking price
CMHC insurance: not required at 20% down. Payments use Canadian semi-annual compounding.
Mortgage Details
4.8% · 5-year term · 25-year amortization · 20% down
- Total down payment
- $189,800
- Total mortgage amount
- $759,200
- Total interest payment
- $539,800
- Total purchase cost
- $1,488,800
- Mortgage payment
- $4,330/mo
Cash Flow Analysis
If you rented this home out at 20% down
Break-even down payment
64%Monthly carrying cost
$5,008- Rent $2,600
- Shortfall $2,408
Rental income opens at $2,600, the median asking rent of 5 comparable homes for lease in Ottawa. Type over it with the rent you expect. This is a planning tool, not advice.
Land transfer tax on this home
- Ontario land transfer tax
- $15,455
- Total land transfer tax
- $15,455
- First-time buyer rebates (Ontario up to $4,000)
- −$4,000
- Total for first-time buyers
- $11,455
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 $949,000
- $10,980
- Ontario total
- $15,455
An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.
Estimate
Estimated value requires sign in
Market estimates use sold comparables and are available after you sign in and accept MLS® VOW terms.
The estimate is an automated value built from public and MLS® data. It is not an appraisal; ask Kassaundra Dobson, Broker of Record for a full comparative market analysis.
Comparable sales
Comparable sales require sign in
Closing prices and sold comps are available to registered visitors who accept MLS® VOW terms on this site.
The land
Lot
- Lot area
- 2,325 sq ft216 m²
- Street frontage
- 25 ft7.6 m
- Depth
- 93 ft28.3 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, measured by MPAC.
Land and environment
Public records about this location. Not part of the MLS® listing and not provided by the listing brokerage.
Water and conservation5
- Not in Rideau Valley Conservation Authority’s mapped regulated areaAt the address
- Not in the municipality’s mapped flood areaAt the address
- No mapped wetland within 120 m120 m
- No water-supply well recorded within 250 m6 test or monitoring holes also recorded.250 m
- Groundwater recorded about 10.6 m below ground nearbyThe middle water level in the well records within 500 m (60 records). It changes with the season and from spot to spot.500 m
Rideau Valley Conservation Authority · Municipal flood mapping · Province of Ontario open data
Planning and building activity2
- Outside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areasAt the address
- Nearest airport: 5.2 km5.2 km
Province of Ontario open data
Around the home2
- Transit stop within 400 mFrom the transit agency’s published stop map; the nearest is 300 m away. Routes and stops change; check the agency’s schedule.400 m
- A trail on the Ontario trail network within 1 km1 km
Municipal transit open data · Province of Ontario open data
Environmental records4
- No licensed pit or quarry within 2 km2 km
- No recorded oil, gas or salt well within 250 m250 m
- No facility within 1 km reports pollutant releases to Environment CanadaThe nearest is Public Works and Government Services Canada — Cliff Central Heating and Cooling Plant, 1.9 km away. Only facilities above the inventory’s reporting thresholds are listed.1 km
- 8 federal contaminated sites within 1 km2 still active or suspected; the rest are closed. The federal inventory covers federal land only, not provincial or private sites.1 km
Province of Ontario open data · Government of Canada open data
Power and internet3
- Electricity is distributed here by Hydro Ottawa LimitedAt the address
- Wired internet 50/10 Mbps or faster is listed at this locationFixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (0 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.At the address
- Across the surrounding area: fibre to the home, cable, DSL internet listedFibre 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.Area-wide
Ontario Energy Board · Innovation, Science and Economic Development Canada
Each record is placed at the distance its own line states. None of it is an inspection of the property. Confirm anything that matters to you with the municipality, Rideau Valley Conservation Authorityor 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.
The market
Market area · filters apply to the charts below
The street
Map and tour
Transit nearby
| Station | Lines | Distance |
|---|---|---|
| uOttawa | OC Transpo light rail: O-Train Line 1 | 500 m |
| Rideau | OC Transpo light rail: O-Train Line 1 | 1.1 km |
| Lees | OC Transpo light rail: O-Train Line 1 | 1.1 km |
| Parliament | OC Transpo light rail: O-Train Line 1 | 1.2 km |
| Lycée Claudel | OC Transpo bus rapid transit: Transitway | 2 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.
Schools nearby
| Elementary | Type | Distance | EQAO average 2024–25 |
|---|---|---|---|
| Elgin Street Public SchoolOttawa-Carleton DSB | Public · grades JK–6 · French Immersion | 500 m | 93%Grade 6 average |
| Viscount Alexander Public SchoolOttawa-Carleton DSB | Public · grades JK–6 · French Immersion | 750 m | 84%Grade 6 average |
| École élémentaire catholique Coeur d'OttawaConseil des écoles catholiques du Centre-Est | French-language Catholic · grades JK–8 | 800 m | 100%Grade 6 average |
| Corpus Christi Catholic Elementary SchoolOttawa Catholic School Board | Catholic · grades JK–6 · French Immersion | 1.9 km | 74%Grade 6 average |
| Secondary | Type | Distance | Grade 9 math 2024–25 |
|---|---|---|---|
| Lisgar Collegiate InstituteOttawa-Carleton DSB | Public · grades 9–12 · French Immersion | 450 m | 73%Grade 9 math |
| Immaculata High SchoolOttawa Catholic School Board | Catholic · grades 9–12 · French Immersion | 900 m | 55%Grade 9 math |
| Richard Pfaff Secondary Alternate SiteOttawa-Carleton DSB | Public · grades 9–12 · French Immersion | 1.7 km | — |
| École secondaire publique De La SalleConseil des écoles publiques de l'Est de l'Ontario | French-language public · grades 9–12 | 1.9 km | 74%Grade 9 math |
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.
The verdict
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