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Mary Simon-Johnston
REALTOR®
(403) 818-5496
(403) 818-5496
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Mary Simon-Johnston

Mary has lived and worked in Calgary for over 25 years. She brings over two decades of customer service experience with her and a dedication to building quality relationships with her clientele. Mary and her husband have bought, renovated, and sold homes around Calgary within the past 15 years, sparking her passion for property investment and homeownership. Mary has a tremendous work ethic, keen attention to detail, and a commitment to ensuring the highest level of service to her clients. Mary enjoys connecting with nature during her downtime; this includes running, lake activities and camping with her family, and practicing yoga.

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  • 629 Southwinds Close SW in Airdrie: Southwinds Detached for sale : MLS®# A2310383

    629 Southwinds Close SW Southwinds Airdrie T4B 5L5
    Main Photo: 629 Southwinds Close SW in Airdrie: Southwinds Detached for sale : MLS®# A2310383

    629 Southwinds Close SW Airdrie T4B 5L5 Southwinds

    $815,000
    Residential
    Status:
    Active
    MLS® Num:
    A2310383
    Bedrooms:
    5
    Bathrooms:
    4
    Floor Area:
    2,839 sq. ft.
    Welcome to your dream home in Southwinds, Airdrie. This 5 bedroom, 3.5 bathroom home is perfectly positioned on an oversized pie-shaped lot backing directly onto a walking path and playground, offering a rare combination of space, privacy, and convenience for families. Thoughtfully designed with tons of upgrades, the main floor features a bright open-concept layout with luxury vinyl plank flooring throughout, a versatile bedroom with a full bathroom, and a modern kitchen complete with high-end stainless steel appliances, sleek cabinetry, and a large island with breakfast bar seating. The dining area flows naturally into the main living space, creating an ideal setting for both entertaining and daily life. Upstairs you will find a spacious bonus room, a luxurious primary suite with walk-in closet and spa-inspired ensuite, along with three additional bedrooms and another full bathroom, providing exceptional space for larger or multi-generational families. The unfinished basement with separate entrance and 9-foot ceilings offers incredible potential for future development, whether that be a recreation space, home gym, or additional living space you can tailor to your needs. Enjoy direct backyard access to green space, making it easy to step outside for evening walks, playtime, or simply relaxing in a quiet outdoor setting. This home truly blends style, function, and location in one of Airdrie’s most sought-after new communities. Schools and shopping close by. Great access for commuting. Book your showing today! More details
    Listed by RE/MAX First
    LISTING DETAILS
    Jamie Newton
    Mary Simon-Johnston

  • 436 Attica Drive SE in Calgary: Acadia Detached for sale : MLS®# A2331693

    436 Attica Drive SE Acadia Calgary T2H 1P6
    Main Photo: 436 Attica Drive SE in Calgary: Acadia Detached for sale : MLS®# A2331693

    436 Attica Drive SE Calgary T2H 1P6 Acadia

    $710,000
    Residential
    Status:
    Active
    MLS® Num:
    A2331693
    Bedrooms:
    4
    Bathrooms:
    2
    Floor Area:
    1,176 sq. ft.
    Beautifully updated and thoughtfully designed, this bungalow in Calgary's sought after community of Acadia offers the perfect blend of timeless charm and modern upgrades. With over 2200 square feet of living space this home is ideal for families, investors, or those seeking additional living space, this exceptional home is perfectly positioned in one of the city's most established neighbourhoods. Step inside to discover custom hardwood flooring and a bright, spacious living and dining area designed for both everyday living and effortless entertaining. The updated kitchen offers an abundance of cabinetry and overlooks the main living spaces, creating a warm and inviting atmosphere. The renovated main floor bathroom is flooded with natural light from the skylight and features a gorgeous natural stone tiled shower with body spray jets, along with the convenience of main floor laundry. The spacious primary bedroom has been expanded to offer exceptional comfort and functionality, complete with a walk-in closet and patio doors that open directly onto the private backyard. Two additional generously sized bedrooms, all with large windows that fill the spaces with natural light, complete the main level. The immaculate illegally suited basement has been thoughtfully designed to maximize both comfort and flexibility. Bright windows create an airy feel throughout the spacious living and dining area, while the updated kitchen features a custom breakfast bar. A primary-sized bedroom with double closets, a den that could easily function as a bedroom with the addition of a window, and a separate laundry room complete with cabinetry provide incredible options for multi-generational living or investment potential. Outside, the massive backyard offers endless possibilities for relaxing, gardening, and entertaining. Car enthusiasts, hobbyists, and those in need of exceptional workspace will appreciate the impressive tandem four-car garage featuring 10-foot garage door and ceilings, dedicated shop space, and a full-length shed providing additional storage. Perfectly situated in a family friendly community, you're just steps from schools, parks, restaurants, and shopping, with quick access to Deerfoot Trail, Blackfoot Trail, Macleod Trail, and the C-Train. Whether you're searching for your forever home or a smart investment opportunity, this Acadia gem truly delivers. Call to book your showing today. More details
    Listed by RE/MAX First
    LISTING DETAILS
    Jamie Newton
    Mary Simon-Johnston

  • 120 Treeline Manor SW in Calgary: Alpine Park Detached for sale : MLS®# A2350456

    120 Treeline Manor SW Alpine Park Calgary T2Y 0R7
    Main Photo: 120 Treeline Manor SW in Calgary: Alpine Park Detached for sale : MLS®# A2350456

    120 Treeline Manor SW Calgary T2Y 0R7 Alpine Park

    $675,000
    Residential
    Status:
    Active
    MLS® Num:
    A2350456
    Bedrooms:
    3
    Bathrooms:
    3
    Floor Area:
    1,643 sq. ft.
    Welcome to Alpine Park! This extensively upgraded Cardel home offers over 1,600 sq. ft. of living space with 3 bedrooms, 2.5 bathrooms and a main-floor flex room. Situated on a beautifully landscaped corner lot, this well-maintained, one-owner home features a fully fenced backyard and a double detached garage. The open-concept main floor offers 9-foot ceilings, luxury vinyl plank flooring and large windows throughout. The west-facing living room features an electric fireplace and flows into the spacious dining area and white kitchen. Quartz countertops, a large island, stainless steel Whirlpool appliances, a walk-in pantry and soft-close cabinetry make this kitchen both attractive and functional. The adjoining flex room provides space for a home office, playroom or homework area. Upstairs, the primary bedroom includes a walk-in closet and an ensuite with a walk-in shower. Two additional bedrooms, a full bathroom and a conveniently located laundry room completes this level. Both upstairs bathrooms feature quartz countertops. The undeveloped basement includes roughed-in plumbing and offers room for future development. Enjoy the covered front porch or spend time in the backyard with its exposed aggregate patio and access to the garage. The Hardie board and stone exterior adds to the home’s curb appeal. With community parks, playgrounds and pathways, plus convenient access to the Southwest Ring Road, Alpine Park offers a great location to call home. Call to book your showing today! More details
    Listed by RE/MAX First
    LISTING DETAILS
    Jamie Newton
    Mary Simon-Johnston

  • 54 Deerview Terrace SE in Calgary: Deer Ridge Detached for sale : MLS®# A2350419

    54 Deerview Terrace SE Deer Ridge Calgary T2J 7B9
    Main Photo: 54 Deerview Terrace SE in Calgary: Deer Ridge Detached for sale : MLS®# A2350419

    54 Deerview Terrace SE Calgary T2J 7B9 Deer Ridge

    $639,900
    Residential
    Status:
    Active
    MLS® Num:
    A2350419
    Bedrooms:
    4
    Bathrooms:
    3
    Floor Area:
    1,477 sq. ft.
    RARE OPPORTUNITY IN DEER RIDGE! Welcome to this charming 2-storey home with a fully developed WALKOUT basement, ideally situated on a quiet street in the established community of Deer Ridge. Offering 4 bedrooms, 2.5 bathrooms and a private WEST-facing backyard, this home has plenty to offer! Inside, you'll find beautiful parquet hardwood flooring and a functional floor plan. The main level features a bright and spacious flex room, perfect for a home office or playroom, along with a generous living room complete with a wood-burning fireplace and large picture window overlooking the treed backyard. The kitchen offers ample cabinetry, plenty of counter space and updated appliances, while the adjoining dining area provides direct access to the new upper deck, perfect for summer BBQs and entertaining. Convenient main floor laundry and a 2-piece bathroom complete this level. Upstairs, you'll find a spacious primary bedroom featuring a walk-in closet and direct access to the 4-piece bathroom, along with two additional good-sized bedrooms. The fully developed WALKOUT basement offers a large recreation room, fourth bedroom, additional 4-piece bathroom and sliding patio doors leading to the private backyard. Situated in the established community of Deer Ridge, this home offers convenient access to Deerfoot Trail and Stoney Trail, making commuting throughout the city a breeze. Families will appreciate the nearby schools, including Don Bosco School, Wilma Hansen School and Deer Run School, along with numerous parks and playgrounds. Shopping, restaurants are just minutes away, including Deer Valley shopping centre. With Fish Creek Provincial Park close by, you'll also enjoy easy access to beautiful walking and biking pathways, natural green spaces and year-round outdoor activities. A wonderful opportunity to enjoy everything this established community has to offer. Call to book your showing today! More details
    Listed by RE/MAX First
    LISTING DETAILS
    Jamie Newton
    Mary Simon-Johnston

  • 1219 68 Street NE in Calgary: Marlborough Park Detached for sale : MLS®# A2345500

    1219 68 Street NE Marlborough Park Calgary T2A 5K6
    Main Photo: 1219 68 Street NE in Calgary: Marlborough Park Detached for sale : MLS®# A2345500

    1219 68 Street NE Calgary T2A 5K6 Marlborough Park

    $500,000
    Residential
    Status:
    Active
    MLS® Num:
    A2345500
    Bedrooms:
    4
    Bathrooms:
    3
    Floor Area:
    1,135 sq. ft.
    This 1,140 sq. ft. bungalow offers three bedrooms upstairs. The main floor has been opened up into one large, flexible space, ready to be finished to suit your vision, and the main-floor bathrooms have been renovated. Downstairs, the clean basement includes an additional bedroom, a roughed-in bathroom and plenty of space for a future rec room or home theatre. Outside, you’ll find a large yard, a 24' x 26' garage and additional gated parking. Located in Marlborough Park, close to schools, shopping, parks and major roadways. This is an incredible opportunity to add your own finishing touches and make the home your own. More details
    Listed by RE/MAX First
    LISTING DETAILS
    Jamie Newton
    Mary Simon-Johnston

  • 207 2010 35 Avenue SW in Calgary: Altadore Apartment for sale : MLS®# A2331083

    207 2010 35 Avenue SW Altadore Calgary T2T 2E1
    Main Photo: 207 2010 35 Avenue SW in Calgary: Altadore Apartment for sale : MLS®# A2331083

    207 2010 35 Avenue SW Calgary T2T 2E1 Altadore

    $269,900
    Residential
    Status:
    Active
    MLS® Num:
    A2331083
    Bedrooms:
    2
    Bathrooms:
    1
    Floor Area:
    831 sq. ft.
    Welcome to this beautifully updated 2-bedroom condo in the heart of Marda Loop, offering the perfect combination of style, comfort, and convenience. Recently refreshed with new luxury vinyl plank flooring and fresh paint throughout, this move in ready home features a bright, open concept layout with a spacious living area that flows seamlessly to your private balcony, an ideal spot to enjoy your morning coffee or unwind at the end of the day. The modern kitchen opens to the living and dining space, while both bedrooms offer comfortable accommodations. A beautifully updated bathroom, in-suite laundry, and a heated underground titled parking stall add everyday convenience. Living in Marda Loop means having some of Calgary's best local cafés, restaurants, boutiques, fitness studios, and everyday amenities just steps from your door. Spend weekends exploring nearby parks, walking the tree-lined streets, or meeting friends for brunch at one of the many neighbourhood hotspots. With easy access to downtown, public transit, and pathways this vibrant community offers the perfect balance of urban convenience and neighbourhood charm. This is an exceptional opportunity to enjoy one of Calgary's most sought after communities. More details
    Listed by RE/MAX First
    LISTING DETAILS
    Jamie Newton
    Mary Simon-Johnston
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Data was last updated October 22, 2026 at 08:05 AM (UTC)
Data is supplied by Pillar 9™ MLS® System. Pillar 9™ is the owner of the copyright in its MLS®System. 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. Used under license.

Email Mary Simon-Johnston

Data is supplied by Pillar 9™ MLS® System. Pillar 9™ is the owner of the copyright in its MLS®System. 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. Used under license.