$1,599,988
428 21 Avenue NEWinston Heights/Mountview, Calgary, AB T2E 1S6
- 5 beds
- 5 baths
- 2,386 sq ft
- Detached
Listing courtesy of Sotheby's International Realty Canada · MLS® A2329849
About this home
Welcome to this stunning custom built masterpiece where exceptional craftsmanship, luxury finishes, and incredible versatility come together. Designed with both elegance and functionality in mind, this remarkable home offers quality throughout, featuring a spacious triple attached garage, a fully self contained legal carriage suite, and a beautifully finished illegal basement suite.
From the moment you step inside, you'll be impressed by the home's sophisticated design, abundant natural light, and meticulous attention to detail. The open-concept main floor showcases premium finishes, designer lighting, custom millwork, and a chef-inspired kitchen complete with high-end appliances, large island, custom cabinetry, and luxurious quartz countertops. The expansive living and dining spaces are designed for both effortless entertaining and comfortable everyday living. A beautiful fireplace framed by custom built-in cabinetry creates a striking focal point in the living room, while large sliding glass doors open to the backyard, seamlessly blending indoor and outdoor living. The mudroom, located just off the backyard, offers an incredible amount of storage, a built-in bench, and perhaps the best feature of all - a dedicated dog wash.
The primary retreat is a true sanctuary, featuring a spa inspired ensuite and generous walk-in closet, while the additional bedrooms are thoughtfully designed with comfort and style in mind. The upper level is complete with a large 4-piece bath and conveniently located laundry room. Every inch of this home reflects superior quality, from the premium flooring and custom built-ins to the carefully selected fixtures and finishes.
The professionally finished illegal basement suite offers another fully independent living space with its own kitchen, living area, 1-bedroom, a flex room, and private entrance ideal for investors or multi generational living. Adding tremendous value and versatility, the detached 1-bedroom, legal carriage suite provides an excellent opportunity to rent, extended family, guests, or a private home office.
Outside, enjoy outstanding curb appeal, professionally designed landscaping that includes hot tub, multiple deck and entertaining areas, including a gorgeous wood-burning stone fireplace, beautiful gardens and plenty of parking thanks to the oversized triple garage. This one of a kind property delivers the perfect combination of elegance, functionality with multiple suites.
A rare offering with uncompromising quality, premium finishes, and multiple self-contained living spaces, this extraordinary custom home truly stands apart.
Key facts
- Type
- Detached
- Style
- 2 Storey
- Year built
- 2017
- Living area
- 2,386 sq ft
- Lot
- 4,660 sq ft
- Bedrooms
- 5 (3 above grade, 2 below)
- Bathrooms
- 4 full, 1 half
- Basement
- Full, Finished
- Parking
- 3-car garage
- Price per sq ft
- $671
- Days on market
- 85
- Listed
- July 17, 2026
- Community
- Winston Heights/Mountview
- Municipality
- Calgary
Features
Interior
- Features
- Kitchen Island, No Smoking Home
- Appliances
- Central Air Conditioner, Dishwasher, Electric Stove, Garage Control(s), Gas Stove, Microwave, Refrigerator, Washer/Dryer, Washer/Dryer Stacked, Window Coverings
- Flooring
- Carpet, Ceramic Tile, Hardwood
- Heating
- Forced Air
- Cooling
- Central Air
- Fireplaces
- 3 (Gas, Wood Burning)
- Laundry
- Multiple Locations
- Basement features
- Separate/Exterior Entry
- Included
- hot tub, stove in basement, fridge in basement, dishwasher in basement, fridge in carriage suite, dishwasher in carriage suite, washer and dryer in carriage suite, Control 4 system and speakers throughout the home.
Suite
- Suite
- Yes
- Details
- Above Detached Garage, Basement
- Location
- Suite Attached/Within Primary Dwelling, Suite Detached From Primary Dwelling
- Legal suites
- 1
Building
- Structure
- House
- Levels
- Two
- Construction
- Stucco, Wood Frame
- Roof
- Asphalt Shingle
- Foundation
- Poured Concrete
Exterior & lot
- Exterior
- Balcony, Private Entrance, Private Yard
- Lot
- Back Lane, Back Yard, Landscaped
- Patio / porch
- Deck
- Fencing
- Fenced
- Front faces
- S
- Lot size
- 4,660 sq ft
- Zoning
- R-C2
Parking
- Garage spaces
- 3
- Total parking
- 3
- Details
- Triple Garage Detached
Condo / HOA
- Restrictions
- None Known
- Ownership
- Not a Condo
Land & rural
- Title
- Fee Simple
Community
- Features
- Golf, Park, Playground, Schools Nearby, Shopping Nearby
Rooms
| Room | Level | Size |
|---|---|---|
| Kitchen | Main | 14'3" x 11'6" |
| Dining Room | Main | 11'1" x 14'11" |
| Living Room | Main | 16'7" x 16'7" |
| Den | Main | 13'4" x 9'2" |
| 2pc Bathroom | Main | — |
| Bedroom - Primary | Upper | 12'0" x 23'0" |
| Bedroom | Upper | 11'9" x 10'3" |
| Bedroom | Upper | 13'0" x 11'9" |
| 4pc Bathroom | Upper | — |
| 5pc Ensuite bath | Upper | 15'3" x 11'1" |
| Kitchen | Lower | 12'9" x 9'5" |
| Living Room | Lower | 12'9" x 11'5" |
| Bedroom | Lower | 13'0" x 11'9" |
| Exercise Room | Lower | 9'0" x 10'0" |
| 4pc Bathroom | Lower | — |
| Kitchen | Suite | 7'9" x 11'7" |
| Living Room | Suite | 11'5" x 16'7" |
| Bedroom | Suite | 13'6" x 11'7" |
| 4pc Bathroom | Suite | — |
Location
Monthly cost estimate
- Mortgage $7,501
An estimate, not a quote: excludes property tax, home insurance and utilities. Starting rates are the best advertised 5-year fixed rates on October 8, 2026 (nesto.ca, best 5-year fixed); your rate depends on your lender and situation. Minimum down payment under Canadian rules is $319,998.
Similar homes in Winston Heights/Mountview
70A Montrose Crescent NE
Winston Heights/Mountview, Calgary, AB T2E 5P4
- 4 bd
- 4 ba
- 2,097 sq ft
- Detached
Listing data disclaimer
Data is supplied by Pillar 9™ MLS® System. Pillar 9™ is the owner of the copyright in its MLS® System.
Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Data is deemed reliable but is not guaranteed accurate by Pillar 9™
The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by CREA and identify real estate professionals who are members of CREA.
Listings displayed on this site may be held by brokerages other than Standard Realty Co. Each listing identifies its listing brokerage.
Listing last updated: Aug 17, 2026, 12:15 a.m.