251 Arlington Ave is a 4-bedroom, 2-bathroom duplex in Ottawa, listed for $775,000. It has 2000-2500 sq ft of living space.
1Each unit features its own private entrance for added convenience.
2The upper unit includes a bright, open-concept living, dining, and kitchen area, along with a dedicated office space with a balcony that is overlooking the neighbourhood.
3The main floor unit offers excellent additional space, including 2 spacious bedrooms, exclusive basement access and direct access to the spacious backyard.
251 Arlington is a centrally located, fully functional duplex in the heart of Centretown, offering two well-designed 2-bedroom apartments. Each unit features its own private entrance for added convenience. The upper unit includes a bright, open-concept living, dining, and kitchen area, along with a dedicated office space with a balcony that is overlooking the neighbourhood. Both bedrooms are generously sized, making it ideal for comfortable living or working from home. The main floor unit offers excellent additional space, including 2 spacious bedrooms, exclusive basement access and direct access to the spacious backyard. The property has seen several thoughtful upgrades, including a upgraded 2019 front porch, updated landscaping with a paved driveway, and a two-storey rear addition that enhances overall living space. The duplex is fully legalized with separately metered hydro, and plumbing has been upgraded to ensure long-term reliability. The perfect opportunity for anyone looking for an investment property! 2025 expenses: Heat $1,885.84, Water $932.82
4 bedrooms, 2 bathrooms, about 2,000 sq ft, works out to roughly $388 per square foot. Chat with Zara if you'd like a deeper read on whether this duplex fits your budget and timing.
Inside 251 Arlington Ave
Every detail from the listing, in one place.
Type
Duplex
Style
2-Storey
Living space
2000-2500 sq ftas stated on the listing
Parking
1 space
Basement
Finished
Features & systems
Parking & garage
Parking spaces
1
Interior
Basement
Finished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Duplex
251 Arlington Ave Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X13769326$775,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 251 Arlington Ave Compares to the Ottawa Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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Monthly cost
Enter a rate to see the monthly cost
An estimate, not a quote. Utilities and insurance are extra.
Affordability calculator
Estimated monthly payment
$3,807
/mo
based on the purchase price of $775,000
$155,000 cash
$620,000 financed
$522,203 total interest
Principal54%$620,000
Interest46%$522,203
20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.
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Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.
Rental income potential
Est. monthly rent
low–high
Gross yield
rent × 12 ÷ price
Cap rate (est.)
net of tax + fees
Summitly AI estimate for discussion only — not from TRREB or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.
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Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. 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 Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.
Similar homes for sale nearby in Ottawa
Other 3–4 bed homes for sale in Ottawa around $775K.
Average days on market42Homes sold in about 42 days on average.
Sale-to-list ratio96.9%On average, homes sold below asking.
Active listings253Homes for sale here right now.
Median vs prior 90 days+0.6%Compared with May 3 – Aug 1, 2026: prices up.
Based on 130 sales from Aug 1 – Oct 30, 2026 (110 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
251 Arlington Ave is listed at $775,000 (MLS® X13769326). Summitly updates the price as soon as the MLS® record changes.
Is $775,000 a good price for 251 Arlington Ave?
Summitly rates it Excellent Deal: the asking price is 10% or more below Zara's estimate, an estimate built from recent sales in Ottawa. The rating is an automated opinion, not an appraisal; "What's it worth?" on this page shows how it is worked out. See Zara's estimate
Has the price of 251 Arlington Ave changed?
No — 251 Arlington Ave is still listed at its original asking price of $775,000.
How many bedrooms and bathrooms does 251 Arlington Ave have?
251 Arlington Ave has 4 bedrooms and 2 bathrooms, with about 2,000–2,500 square feet of living space. It is a duplex in Ottawa.
Is 251 Arlington Ave close to transit?
The nearest rapid-transit station is Corso Italia Station (O-Train Line 2), about 1.1 km (about a 14-minute walk) in a straight line. Pimisi Station is about 1.3 km (about a 16-minute walk), and Dow's Lake Station is about 1.3 km (about a 16-minute walk). Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 251 Arlington Ave?
About $3,807 a month — principal and interest on $775,000 with 20% down ($155,000), a 25-year amortization and an assumed 5.5% interest rate. The mortgage calculator on this page lets you change the down payment, amortization and rate.
How does 251 Arlington Ave compare with other homes in Ottawa?
Its asking price of $775,000 is about 76% above the median sold price in Ottawa over the last 90 days, $441,000, across 130 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 251 Arlington Ave been sold before?
Summitly has no earlier MLS® sale or lease of 251 Arlington Ave on record from the last two years. Older records aren't shown under TRREB rules.
Where is 251 Arlington Ave?
251 Arlington Ave is in Ottawa, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 251 Arlington Ave been on the market?
50 days — 251 Arlington Ave was listed on September 10, 2026.
What is the price per square foot of 251 Arlington Ave?
About $310 to $388 per square foot: the asking price of $775,000 over the 2,000–2,500 sq ft the listing gives as its size range.
