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646 PORTSMOUTH Avenue
25 - West of Sir John A. Blvd Kingston K7M 1W3

$649,900
Residential Freehold beds: 3+1 baths: 3.0

Main Photo: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 1: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 2: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 3: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 4: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 5: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 6: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 7: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 8: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 9: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 10: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 12: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 13: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 17: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 18: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 31: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 32: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 34: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 35: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 37: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 38: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 41: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Photo 42: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 44: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
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Photo 49: 646 PORTSMOUTH Avenue in Kingston: 25 - West of Sir John A. Blvd House for sale : MLS®# X13657470
Status:
Active
Prop. Type:
Residential Freehold
MLS® Num:
X13657470
Bedrooms:
3+1
Bathrooms:
3
Attention, investors, first-time homebuyers, and growing families! Welcome to this beautifully upgraded, sun-filled bungalow situated on one of the largest lots in Kingston's desirable Portsmouth Avenue neighbourhood. Offering modern finishes, exceptional value, and outstanding future potential, this move-in-ready home is ideally located just 5 minutes from St. Lawrence College, 7 minutes from Queen's University, and a 2-minute walk to Grenville Park. Schools, hospitals, shopping, parks, and the Lake Ontario waterfront are also conveniently close by. The home features a bright and inviting layout with numerous modern upgrades, including approximately $40,000 in improvements. Updates include a new flat roof (2021), a 200-amp electrical panel (2021), a new electric water heater (2025), a detached garage, stylish potlights throughout, and stainless steel appliances. The spacious, fully fenced lot provides plenty of room for outdoor enjoyment, while the driveway can accommodate up to 4 vehicles, offering exceptional parking convenience. The separate basement entrance creates excellent flexibility for an in-law suite or future duplex conversion. Even more exciting, the detached garage offers the potential for a third dwelling through a garage conversion, making this property particularly attractive to investors seeking additional income potential. Buyers should verify zoning and municipal requirements for any future conversion or additional dwelling. A rare opportunity to own a substantially upgraded home on an exceptionally large lot in a highly convenient Kingston neighbourhood - perfect for living, investing, and future growth.
Property Type:
Residential Freehold
Property Sub Type:
Detached
Home Style:
Bungalow
Approx. Age:
51-99
Total Approx Floor Area:
1100-1500
Lot Size:
<.50
Lot Depth:
131'8"
Lot Frontage:
75'
Lot Shape:
Rectangular
Direction Faces:
West
Bedrooms:
3+1
Bathrooms:
3.0
Water supply:
Municipal
Kitchens:
2
Kitchens in Basement:
1
Bedrooms Above Grade:
3
Bedrooms Below Grade:
1
Kitchens Above Grade:
1
Rooms Above Grade:
7
Rooms Below Grade:
4
Zoning:
A2
Heating type:
Forced Air
Heating Fuel:
Oil
Foundation:
Block
Roof:
Asphalt Shingle
Basement:
Full, Finished
Fireplace/Stove:
No
Garage:
Detached
Garage Spaces:
1.0
Other Structures:
Fence - Full
Parking Features:
Private
Parking Spaces:
4
Total Parking Spaces:
5.0
Family Room:
No
Possession Details:
TBD
Pool:
None
Link:
No
HST Applicable To Sale Price:
Included In
Assessment Year:
2025
Taxes:
$4,112 / 2025
Assessment:
$- / 2025
Frontenac
Kingston
25 - West of Sir John A. Blvd
Hospital, Lake/Pond, Park, School
Primary Bedroom - Main Floor
Deck
Refrigerator, stove, dishwasher, washer, and dryer.
Aluminum Siding
No
Floor
Type
Size
Other
Main
Kitchen
16'10¾" × 9'4"
Main
Dining Room
9'10" × 9'1"
Main
Living Room
15'2" × 9'10"
Main
Breakfast
10'4" × 9'11"
Main
Primary Bedroom
13'1" × 12'½"
Main
Bedroom 2
12'8" × 8'1"
Main
Bedroom 3
10'4" × 10'
Basement
Kitchen
17'9¾" × 2'10"
Basement
Bedroom
10'9" × 10'½"
Basement
Recreation
17'9" × 13'4"
Basement
Recreation
23'4" × 20'8"
Basement
Other
15'5" × 11'1"
Basement
Other
8'11½" × 6'11"
Floor
Ensuite
Pieces
Other
Main
Yes
3
5'1" x 5'3" 3 Pc Ensuite
Main
No
4
6'9" x 5' 4 Pc Bath
Basement
No
3
5'9" x 6'8" 3 Pc Bath
Utilities Cable:
Available
Utilities Telephone:
Available
Utilities Hydro:
Yes
Utilities Water:
Yes
Sewers:
Yes
Special Designation:
Unknown
Sewers:
Sewer
Air Conditioning:
Central Air
Central Vacuum:
No
Seller Property Info Statement:
No
Date Listed:
Aug 10, 2026
Original Price:
Previous Price:
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Listed by EXP REALTY, BROKERAGE
Data was last updated August 10, 2026 at 04:15 PM (UTC)
Area Statistics
Listings on market:
15
Avg list price:
$585,000
Min list price:
$424,900
Max list price:
$859,900
Avg days on market:
151
Min days on market:
3
Max days on market:
725
These statistics are generated based on the current listing's property type and located in 25 - West of Sir John A. Blvd. Average values are derived using median calculations. This data is not produced by the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website. The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.