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Listing data is provided under license from the Toronto Regional Real Estate Board (TRREB). TRREB assumes no responsibility for the accuracy of the information contained herein. Data is updated periodically and may not reflect the most current market activity. Not intended to solicit buyers or sellers currently under contract. MLS®, REALTOR®, and the associated logos are certification marks owned by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA.

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MLS# X12789428Ottawa West/Tunneys Pasture, Ottawa · K1Y 0M3
For SaleSemi-Detached

258 Northwestern Avenue

$2,149,000
4 Bed5 Bath3,600 sqft$597/sq ft54d on market
MLS# X12789428Ottawa West/Tunneys Pasture, Ottawa · K1Y 0M3
For SaleSemi-Detached

258 Northwestern Avenue

$2,149,000

$597/sq ft · 54 days on market

Bedrooms
4 Bed
Bathrooms
5 Bath
Size
3,600 sq ftMLS: 3500-5000
Parking
3 Attached
Virtual Tour

Listing History — This Unit

Feb 14, 2026(1mo ago)
For Sale

$2,149,000

3,600 sqft3500-5000 sqft·54 DOM
ENGEL & VOLKERS OTTAWA·MLS# X12789428
Current
Jan 01, 2024Expired
$000,000

(Sign-in required)

Jan 01, 2024Expired
$000,000

(Sign-in required)

About This Listing

An exceptional offering, this 3,600 sq ft semi-detached SMART home showcases over $500,000 in premium upgrades and is built to R-2000 energy-efficient standards for superior performance and comfort. Designed with versatility in mind, the multifunctional layout features three distinct zones: a main-level business space with private foyer, office, and powder room; an expansive family living area; and a separately accessed, legal 2-bedroom lower apartment.Soaring 12-14 ft ceilings and triple-glazed panoramic windows flood the home with natural light, while a dramatic full-height, full-width bi-fold door seamlessly connects indoor and outdoor living. The chef-inspired kitchen is a true showpiece, appointed with Calacatta Ice countertops and matching backsplash, complemented by a generous eat-in area ideal for everyday living and entertaining. The main residence is further elevated by two luxurious primary suites with private balconies and the warmth and ambiance of two fireplaces.The lower-level apartment offers 9-10 ft ceilings, oversized windows, and heated floors throughout, creating a bright and comfortable space perfect for rental income, multigenerational living, or extended family. Fully equipped with all appliances, including washer and dryer, it is entirely turnkey. Outdoor living is equally impressive, featuring a 600 sq ft rooftop terrace, multi-level deck, and a private composite-fenced yard. Distinctive curb appeal comes from the striking blue granite façade, enhanced by exceptional comfort upgrades including a heated driveway, stairs, landing, and heated garage floors. A 16" fully insulated concrete block party wall ensures superior privacy, while integrated Google Smart Home technology brings convenience and control to every aspect of daily living. A rare opportunity to own a high-end, energy-efficient, and remarkably versatile property-perfectly suited for modern family living, home-based business, and income potential.

Property Details

MLS NumberX12789428
Property TypeSemi-Detached
Style3-Storey
Listing TypeFor Sale
StatusActive
Bedrooms4 Bed
Bathrooms5
Size3500-5000 sq ft
Verified Size3,600 sq ft
Parking Spaces3
Parking TypeAttached
Days on Market54
Listed2026-02-14
CommunityOttawa West/Tunneys Pasture
MunicipalityOttawa
Cross StreetScott Street to Northwestern.

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Listing provided by ENGEL & VOLKERS OTTAWA

Based on information from the Toronto Regional Real Estate Board (TRREB). All information deemed reliable but not guaranteed and should be independently verified. The accuracy of information is not guaranteed, has not been verified, and does not constitute professional advice.

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MLS®, REALTOR®, and the associated logos are certification marks owned by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA.

This listing content is not intended to solicit properties already listed for sale or individuals who are currently under contract with a brokerage.

Data last updated: April 8, 2026 at 09:43 a.m.