$1,788,000
100 Marsdale Drive, St. Catharines, ON L2T 3S9
Glendale/Glenridge
Listing courtesy of ROYAL LEPAGE NRC REALTY
Glendale/Glenridge · L2T 3T3
$1,898,800
$633 / sq ft1 months on market
Architecturally relevant and thoughtfully reimagined, 105 Marsdale Drive is an inspiring mid-century modern "Butterfly Roof" bungalow, offering nearly 3,000 sq ft of main-level living in one of South St. Catharines' most highly sought-after neighbourhoods. Originally designed in 1958 by Massey Award-winning architect James E. Secord, with a later addition influenced by renowned architect Ron Thom, this home blends preserved architectural character with modern updates. Features include floor-to-ceiling glass, clean horizontal lines, custom rosewood built-ins, and four fireplaces (3 wood-burning, 1 gas). The open-concept layout flows seamlessly through the living, dining, and kitchen areas, creating an ideal space for both everyday living and entertaining. The private backyard oasis is a standout feature, professionally landscaped and designed for resort-style living. Highlights include a Swenker concrete pool, hot tub, outdoor BBQ kitchen, pool change room, low-voltage landscape lighting, and a programmable in-ground sprinkler system. The fully finished lower level offers a self-contained suite with a separate entrance, two bedrooms, a full kitchen, spacious living areas, and a full bathroom - ideal for multigenerational living, growing teenagers, guests, or a nanny/in-law setup. Additional features include an original indoor cedar-lined sauna with shower, extensive storage, cedar-lined closets, and mature award-winning landscaped gardens providing exceptional privacy. This year, the home was recognized by the Niagara Architectural Society, celebrating its architectural history and significance. Located just steps from the Niagara Escarpment, Bruce Trail, Ridley College, the Pen Centre, and some of Niagara's top wineries and Michelin star restaurants. A rare opportunity to own an architecturally significant mid-century modern home with exceptional lifestyle flexibility in a prime location.
14 rooms. Dimensions as published by the listing brokerage.
| Room | Level | Dimensions | Features |
|---|---|---|---|
| Kitchen | Main | 4.93 × 6.19 m16.2 × 20.3 ft | Stainless Steel Appl · Corian Counter · Window Floor to Ceiling |
| Breakfast | Main | 4.40 × 2.90 m14.4 × 9.5 ft | Eat-in Kitchen · Window · Open Concept |
| Dining Room | Main | 4.35 × 4.03 m14.3 × 13.2 ft | B/I Shelves · Overlooks Pool · Open Concept |
| Living Room | Main | 4.83 × 5.10 m15.8 × 16.7 ft | B/I Bookcase · Window · Overlooks Frontyard |
| Family Room | Main | 5.60 × 8.31 m18.4 × 27.3 ft | Vaulted Ceiling(s) · Gas Fireplace · Overlooks Backyard |
| Mud Room | Main | 2.73 × 3.06 m9.0 × 10.0 ft | B/I Appliances · B/I Shelves · W/O To Garage |
| Primary Bedroom | Main | 4.81 × 11.77 m15.8 × 38.6 ft | 5 Pc Ensuite · Sauna · Fireplace |
| Bedroom 2 | Main | 5.60 × 4.25 m18.4 × 13.9 ft | Closet · Window · Hardwood Floor |
| Family Room | Basement | 5.39 × 7.80 m17.7 × 25.6 ft | B/I Desk · Window · Brick Fireplace |
| Recreation | Basement | 4.26 × 10.00 m14.0 × 32.8 ft | B/I Shelves · Window · Recessed Lighting |
| Bedroom 3 | Basement | 4.26 × 4.73 m14.0 × 15.5 ft | Window · Closet · Overlooks Frontyard |
| Bedroom 4 | Basement | 3.11 × 2.26 m10.2 × 7.4 ft | Window · Closet · Overlooks Frontyard |
| Office | Basement | 2.25 × 3.92 m7.4 × 12.9 ft | B/I Desk · Wood Trim |
| Kitchen | Basement | 1.82 × 3.72 m6.0 × 12.2 ft | Stainless Steel Appl · Granite Counters · Pantry |
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What this home costs beyond the asking price, and how that price compares to what else is on the market.
This home is priced above most comparable listings — about 91% of comparable detached listings in Glendale/Glenridge are asking less.
Based on 34 comparable active detached listings in Glendale/Glenridge. These are asking prices, not sale prices.
Estimate only. Excludes CMHC insurance premiums, which apply below 20% down, and does not constitute a mortgage approval or an offer of credit.
Payable on closing, on top of the purchase price.
An estimate on the asking price of $1,898,800. Rates current as of September 2026; confirm the final figure with your real estate lawyer.
Listing courtesy of SOTHEBY'S INTERNATIONAL REALTY CANADA. Listing data is provided in part by the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but is not guaranteed accurate. Information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. Data is updated every 15 minutes.
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$1,788,000
Glendale/Glenridge
Listing courtesy of ROYAL LEPAGE NRC REALTY
$1,995,000
Glendale/Glenridge
Listing courtesy of ROYAL LEPAGE NRC REALTY
$1,995,000
Glendale/Glenridge
Listing courtesy of ROYAL LEPAGE NRC REALTY