
21 Alder Crescent
Ottawa (Blackburn Hamlet), ON K1B 4X5
- 4Bedrooms
- 3Bathrooms
- 1Garage
- 2000–2500Sq Ft
- $5,648Tax
- 60×93 ftLot Size
- Estimated Value:$722,929See Free Estimate Report

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Free Home EvaluationHow Much Is My Home Worth?Homes for Sale NearbySale & Price History for 21 Alder Crescent, Ottawa, Blackburn Hamlet
| Start Date | End Date | Price | Event | MLS# |
|---|---|---|---|---|
| 2026-09-30 | 2026-10-15 | Login to See Prices | Sold Conditional | x13843746 |
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About 21 Alder Crescent, Ottawa, Blackburn Hamlet
Summarized Description
- Spacious 4-bedroom detached home in Blackburn Hamlet
- Private, hedge-lined backyard with mature greenery
- Finished lower level ideal for various uses
- Multiple living spaces for family and entertaining
- Hardwood flooring throughout principal areas
- Close to parks, schools, and transit options
- Generous floor plan with ample room for family
- Attached garage and ample driveway parking
Welcome to 21 Alder Crescent, a spacious 4-bedroom detached home tucked onto a quiet, mature street in the heart of Blackburn Hamlet. With a generous floor plan, multiple living spaces and a beautifully private yard, this is a home with room to settle in and make your own. The main level offers a bright living and dining area, along with a separate family room just off the kitchen featuring a cozy gas fireplace and direct access to the backyard - a great layout for both everyday family life and entertaining. Hardwood and tile flooring add warmth and character throughout the principal spaces. Upstairs, you'll find four impressively sized bedrooms, including a spacious primary bedroom, giving everyone room to spread out. The finished lower level adds even more flexible living space and is ideal for a rec room, home office, gym, playroom or hobby area. Outside is one of the home's standout features: a private, hedge-lined backyard surrounded by mature greenery. The deck provides a peaceful spot for outdoor dining, morning coffee or evenings gathered with friends around the fire. An attached garage and ample driveway parking complete the package. Set in established Blackburn Hamlet, 21 Alder offers the space and privacy of a mature neighbourhood while remaining close to parks, schools, transit and everyday amenities. A spacious family home in a setting that's increasingly hard to find.
Key Facts & Features
Property Costs
- Annual Property Tax Amount
- $5,648
- Land Transfer Tax Fee
- $10,073
Rental Items
- Rental Equipment
- Hot Water Tank
- Basement Type
- Full, Finished
Interior Features
- Laundry Level
- Lower Level
- Interior Extras
- None
- Fireplace/Stove
- Yes
- Elevator
- No
Exterior Features
- Pool
- None
Building
- Building Type
- Detached
- Building Style
- 2-Storey
Construction
- Exterior Finish
- Brick, Vinyl Siding
- Roof
- Asphalt Shingle
- Foundation Details
- Concrete
- Special Designation
- Unknown
Lot
- Lot Front
- 59.50 ft
- Lot Depth
- 93.00 ft
Inclusions
- Inclusions
- Refrigerator, stove, dishwasher, hood fan, washer, dryer, all existing light fixtures, all existing window coverings
Parking & Garages
- Garage Type
- Attached
- Garage Spaces
- 1
- Parking Spaces
- 4
- Total Garage And Parking Spaces
- 5
Heating & Cooling
- Heat Source
- Gas
- Heat Type
- Forced Air
- Air Conditioning
- Central Air
- Water
- Municipal
- Sewers
- Sewer
- Bedrooms
- 4
- Washrooms
- 3
- Kitchens
- 1
- Family / bonus room
- Yes
Room sizes
- Bedroom 3—Upper level
- Kitchen—Main level
- Family Room—Main level, Fireplace
- Bathroom—Upper level, 4 Pc Bath
- Laundry—Lower level
- Primary Bedroom—Upper level
- Office—Lower level
- Bedroom 2—Upper level
- Living Room—Main level
- Bathroom—Upper level, 2 Pc Ensuite
- Bedroom 4—Upper level
- Exercise Room—Lower level
- Family Room—Lower level, Combined w/Office
- Dining Room—Main level
Washrooms
- 2-piece, Main
- 2-piece, Upper
- 4-piece, Upper
- Municipality
- Ottawa
- Neighbourhood
- Blackburn Hamlet
- Main cross streets
- Alder & Eastpark
- Directions
- Innes Rd East, North on Eastpark to Alder Cres
- MLS® number
- X13843746
- Data source
- Toronto Regional Real Estate Board
- Status change
- 2026-10-15
- Listed on
- 2026-09-30
- Days on market
- 15 days
- Possession type
- Flexible
- Co-op commission
- 2%
- Seller
- Listed by
- CENTURY 21 SYNERGY REALTY INC.
Home Market Value
Current home valuation for 21 Alder Crescent, Ottawa, Blackburn Hamlet, Ottawa, ON. Listed for $679,900
HOMEH Estimate
$722,929
Estimated Sales Range
$571,114 - $874,744
HOMEH Estimate for 21 Alder Crescent, Ottawa, Blackburn Hamlet
Calculated with a real agent's CMA method — 45+ years of experience, codified. Not an AI guess.
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Mortgage Payment Calculator
Compare up to 4 down payment scenarios
5% on first $500K + 10% on $179,900 over $500K
$42,990
| Scenario 1 | Scenario 2 | Scenario 3 | Scenario 4 | |
|---|---|---|---|---|
−Down payment | % $ | % $ | % $ | % $ |
+CMHC insurance | $25,455 | $18,969 | $16,182 | $0 |
=Total mortgage | $661,841 | $630,879 | $594,097 | $543,920 |
Amortization | ||||
Mortgage rate | % | % | % | % |
| Payment frequency | ||||
=Mortgage payment | $3,231monthly | $3,080monthly | $2,901monthly | $2,656monthly |
Land Transfer Tax
$10,073
$10,073
Around this home
No schools found nearby
Data provided by OpenStreetMap & Fraser Institute School Rankings
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