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640 Riverdale Avenue SW

640 Riverdale Avenue SW offers one of the deepest sites in the collection, with approximately 62 feet of river frontage and excellent potential for a private custom home. Offers are due July 24, giving buyers a defined and short timeline to move from interest to action.

Offered at $2,600,000, 640 Riverdale Avenue SW is one of the deepest lots in the collection and offers a rare estate-style opportunity on one of Calgary’s most desirable residential streets. With approximately 62 feet of river frontage and 158 feet of depth, this Riverdale Avenue parcel provides the scale and proportions needed for a thoughtful custom home with meaningful indoor-outdoor connection. The location offers the best of both worlds: a calm and private Elbow River setting with efficient access in and out of the inner city.


The offer deadline is 8:00 AM MST on July 24, 2026, so buyers interested in this property should begin their due diligence and design planning immediately. The listing notes that a portion of the previous foundation remains below grade, making early builder review especially important before submitting an offer. Precedent Developments can support prospective buyers by helping assess the custom home opportunity, reviewing potential site constraints, developing a preliminary build strategy, and planning a luxury residence that takes full advantage of the lot depth, river frontage, and Riverdale Avenue address.

Key Details

Price

$2,600,000

Size

10,019 sq. ft.

River Frontage

62 ft.

Closing Date

July 24, 2026 at 2:00:00 p.m.

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Other Available Lots

View the other remaining available lot below

409 40 Avenue SW

The largest estate parcel in the collection, 409 40 Avenue SW offers nearly half an acre of riverfront land with approximately 111 feet along the Elbow River. With offers due July 14, this is the first and most immediate opportunity for buyers seeking a landmark Calgary luxury home site.

407 40 Avenue SW

407 40 Avenue SW offers a deep, private Elbow Park riverfront lot with strong proportions for a custom luxury residence. With offers due July 16, buyers have a short window to secure one of Calgary’s rare inner-city riverfront building opportunities.

708 Riverdale Avenue SW

Set along one of Calgary’s most desirable residential streets, 708 Riverdale Avenue SW offers approximately 75 feet of Elbow River frontage in an established luxury community. Offers are due July 20, making early planning essential for buyers looking to build a signature Riverdale Avenue custom home.

415 40 Avenue SW

415 40 Avenue SW combines generous lot size with approximately 98 feet of river frontage, creating a rare canvas for a refined Calgary estate home. With offers due July 22, this is a limited-time opportunity to pursue one of the larger parcels in the Elbow River release.

718 Riverdale Avenue SW

718 Riverdale Avenue SW is a well-proportioned riverfront lot with almost 200 feet of depth, offering a rare opportunity to build in one of Calgary’s most established luxury corridors. With offers due July 28, buyers should begin reviewing feasibility and design options now.

715 Sifton Boulevard SW

715 Sifton Boulevard SW is a unique wedge-shaped river-adjacent lot with over 200 feet of riverbank views and strong architectural potential. Offers are due July 30, making this a rare but time-sensitive opportunity for buyers looking to create a one-of-a-kind Calgary custom home.

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