Calgary mansion for sale with hidden tunnel just saw an $800K price drop

Feb 17 2026, 6:15 pm

A glamorous mansion in Calgary just saw an $800,000 price drop, putting it back in the spotlight for potential buyers.

Located at 1320 Prospect Ave. SW, the home was previously listed for a whopping $5.3 million, but has now been reduced to $4.5 million.

CIR Realty

The mansion boasts more than 7,700 square feet of living space, and upon entering it, you are greeted by a marvellous two-way staircase, marble floors and a stunning Swarovski crystal chandelier.

CIR Realty

Enjoy the chef’s kitchen with an oversized island, Sub-Zero and Wolf appliances, an adjoining breakfast nook with a door to the *outdoor* kitchen area and a covered deck with Infratech heaters. Splendid for those cool spring and fall evenings when you still want to enjoy the outdoors!

CIR Realty

CIR Realty

The great room features floor-to-ceiling windows and a coffered ceiling, and the dining room has a gas fireplace. The nearby main floor office/den also has a gas fireplace and a two-piece powder room for all your guests.

CIR Realty

CIR Realty

Upstairs, you’ll find the spacious primary suite, complete with dual walk-in closets and adjoining yet separate spa-inspired ensuite bathrooms. The third-floor loft boasts vaulted ceilings, a skylight, and opens up to a balcony with unrivalled downtown city views, making it the perfect spot for a lounge or home gym.

CIR Realty

CIR Realty

CIR Realty

The lower level has a massive recreational room with a built-in media area, a fourth bedroom with a full four-piece bedroom and a glass-enclosed wine room. A wine room?! Count us in!

CIR Realty

CIR Realty

calgary mansion price drop

CIR Realty

The oversized four-car heated garage leads to an underground tunnel — yes, an UNDERGROUND TUNNEL — that takes you to a separate 500 sq. ft. spa that houses a hot tub, dry sauna, steam shower, and a two-piece powder room.

calgary mansion price drop

CIR Realty

calgary mansion price drop

CIR Realty

calgary mansion price drop

CIR Realty

You can view the full listing online.

With files from Laine Mitchell

GET MORE URBANIZED NEWS

By signing up, you agree to receive email newsletters from Daily Hive.

You can unsubscribe at any time by clicking “unsubscribe” at the bottom of the email.

Daily Hive is a division of ZoomerMedia Limited, 70 Jefferson Avenue, Toronto ON M6K 3H4.

ADVERTISEMENT