$18,000,000
ULS: 15107974
Two or more storey house
for sale
3261 Av. Cedar, Westmount
Exceptional mansion in Westmount. Situated on a private 17,000 sq ft lot, the property boasts English-style landscaping completed in 2025 with Saint-Marc stone, an in-ground pool (40 x 17), and three terraces. The 7,700 sq ft residence features 10-foot ceilings on the main and bedroom floors, plus a basement with parking for eight cars. The slate roof, copper gutters, repointed masonry, and windows were replaced in 2026. The designer-ready interior offers a blank canvas to create an exceptional residence that reflects your personal style and becomes the dream home of its new owner.
Number of rooms
28
Living area
677 m²
Property features
7
(6
+ 1)
Bedrooms
7
Bathrooms
1
Powder room
JOSEPH MONTANARO
Real Estate Broker
Addendum
The house is priced and sold in its present state without any interior finishes however there is an option possible for the developer to finish the interior at a higher price. Images are 3D renderings to represent what final product would look like depending on choice of finishes used.
Building details and property interior
Dimensions
76' X 45' irr.
Year constructed
1912
Living area
677 m²
Windows
Aluminum
Garage
8 car Garage, Heated, Double width or more
Bathroom
Ensuite bathroom
Basement
6 feet and more, Outdoor entrance, Unfinished
Lot and exterior features
Lot area
1,580.30 m²
View
Panoramic, View of the city
Driveway
Paving stone
Parking (total)
Driveway (4), Garage (8)
Pool
Inground, Heated
Proximity
Elementary school, High school, CEGEP, University, Public transportation, Daycare centre, Hospital, Park
Room details
Vestibule
Level:
1st level/Ground floor
Dimensions:
11' X 6' irr.
Flooring:
Details:
Hall
Level:
1st level/Ground floor
Dimensions:
15'5" X 12'4" irr.
Flooring:
Details:
Living room
Level:
1st level/Ground floor
Dimensions:
28'10" X 35'10" irr.
Flooring:
Details:
Dining room
Level:
1st level/Ground floor
Dimensions:
16'1" X 20' irr.
Flooring:
Details:
Kitchen
Level:
1st level/Ground floor
Dimensions:
18'4" X 19'9" irr.
Flooring:
Details:
Family room
Level:
1st level/Ground floor
Dimensions:
15'3" X 14' irr.
Flooring:
Details:
Office
Level:
1st level/Ground floor
Dimensions:
9'9" X 7'9" irr.
Flooring:
Details:
Powder room
Level:
1st level/Ground floor
Dimensions:
5'6" X 3' irr.
Flooring:
Details:
Primary bedroom
Level:
2nd level
Dimensions:
18'6" X 19'3" irr.
Flooring:
Details:
Bathroom
Level:
2nd level
Dimensions:
12'8" X 14'3" irr.
Flooring:
Details:
Walk-in closet
Level:
2nd level
Dimensions:
18'4" X 12'8" irr.
Flooring:
Details:
Bedroom
Level:
2nd level
Dimensions:
16' X 14' irr.
Flooring:
Details:
Bathroom
Level:
2nd level
Dimensions:
13'2" X 7'9" irr.
Flooring:
Details:
Walk-in closet
Level:
2nd level
Dimensions:
13'2" X 5'6" irr.
Flooring:
Details:
Bedroom
Level:
2nd level
Dimensions:
15'6" X 12'6" irr.
Flooring:
Details:
Bathroom
Level:
2nd level
Dimensions:
10'1" X 8' irr.
Flooring:
Details:
Bedroom
Level:
2nd level
Dimensions:
11'8" X 22'7" irr.
Flooring:
Details:
Bathroom
Level:
2nd level
Dimensions:
9' X 9'9" irr.
Flooring:
Details:
Walk-in closet
Level:
2nd level
Dimensions:
9' X 5' irr.
Flooring:
Details:
Family room
Level:
3rd level
Dimensions:
15'9" X 25'5" irr.
Flooring:
Details:
Bedroom
Level:
3rd level
Dimensions:
11' X 12'10" irr.
Flooring:
Details:
Bedroom
Level:
3rd level
Dimensions:
16'4" X 11' irr.
Flooring:
Details:
Bathroom
Level:
3rd level
Dimensions:
9'6" X 9'6" irr.
Flooring:
Details:
Playroom
Level:
Basement 1
Dimensions:
12'8" X 22' irr.
Flooring:
Details:
Bedroom
Level:
Basement 1
Dimensions:
14'7" X 9'5" irr.
Flooring:
Details:
Bathroom
Level:
Basement 1
Dimensions:
6'4" X 9'1" irr.
Flooring:
Details:
Vestiaire
Level:
Basement 1
Dimensions:
8'7" X 16'10" irr.
Flooring:
Details:
kitchenette
Level:
Basement 1
Dimensions:
9' X 7'6"
Flooring:
Details:
Characteristics
Heating Energy
Electricity, Geothermal
Water Supply
Municipality
Sewage System
Municipality
Financial details
Municipal assessment (2026)
- Lot assessment
- $ 3,425,300
- Building assessment
- $ 1,464,700
- Total
- $ 4,890,000
Taxes
- Municipal (2026)
- $ 1
- School (2025)
- $ 4,842
- Total
- $ 4,843
Inclusions and exclusions
Mortgage payment calculator
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This document is not an offer or a promise that may bind the seller, but is an invitation to submit such offers or promises.