Residentiae.
For Sale · Cornerstone

12 SUMNER CRESCENT

Cornerstone · L3M5E2

$895,000

3Bedrooms
3Bathrooms
5Parking
3,375Sq Ft
2Storeys

About this residence

Set on a quiet crescent just steps from the lake, this Grimsby home offers the peaceful and established lifestyle buyers are searching for. Inside, over 2,300 sq. ft of well-designed living space delivers both comfort and versatility. The main floor welcomes you with a grand, airy entrance and soaring ceilings. At the heart of the home, a spacious kitchen with large island and breakfast bar overlooking the family room with gas fireplace and walkout to the bonus sunroom, creating the perfect backdrop for summer dinners, morning coffee, or a cozy reading retreat overlooking the rear yard. A separate open concept living and dining area provides space for entertaining, celebrations, or quiet evenings in. Also included on this level is main floor laundry, inside entry to garage, and guest half bath. Upstairs, a thoughtfully laid out upper level offers three generously sized bedrooms, including a private primary retreat overlooking the backyard, complete with a walk-in closet and a spacious 5 piece ensuite with separate shower and soaker tub. Two additional bedrooms share a large main bath, with ample storage throughout. The lower level is a blank canvas, with excellent potential for a recreation room, home gym, office, or additional living space. With thoughtful updates and worry-free maintenance already completed, including full interior painting (2026), heat pump (2023), washer and dryer (2020), and shingles (2019), this is a move-in-ready opportunity to enjoy a refined home in an exceptional lakeside neighbourhood. Located in one of Grimsby’s most sought-after neighbourhoods, you’re a short walk to Lake Ontario, waterfront parks, and scenic trails, while still enjoying quick access to the QEW for an easy commute to Niagara or the GTA. It’s a setting that perfectly blends nature, convenience, and community. (id:61366)

Property details

Property type
Single Family
Style
House
Ownership
Freehold
Bedrooms
3 (3 above)
Bathrooms
3 (1 half)
Storeys
2
Living area
3,375 sq ft
Frontage
49 feet
Parking
5 spaces
Fireplace
1
Annual tax
$6,754
MLS®
40828928
Board
Cornerstone
Status
Active
Listed
May 11, 2026
Updated
Jun 9, 2026

Room dimensions

RoomLevelDimensions
StorageBasement4'5'' x 11'0''
Utility roomBasement13'3'' x 7'6''
Recreation roomBasement45'9'' x 27'5''
4pc BathroomSecond level
BedroomSecond level15'8'' x 10'10''
BedroomSecond level13'0'' x 12'2''
5pc BathroomSecond level
Primary BedroomSecond level15'9'' x 17'7''
2pc BathroomMain level
Laundry roomMain level7'8'' x 6'1''
Family roomMain level15'1'' x 12'1''
Living roomMain level15'1'' x 15'0''
Dining roomMain level16'6'' x 13'8''
KitchenMain level14'4'' x 15'0''
FoyerMain level13'10'' x 11'2''

Features & finishes

Appliances

  • Washer
  • Refrigerator
  • Dishwasher
  • Dryer
  • Stove
  • Water softener
  • Hood Fan
  • Window Coverings
  • Garage door opener
  • Central Vacuum
  • Wine Fridge
  • Water purifier

Heating

  • Forced air
  • Heat Pump
  • Natural gas

Cooling

  • Central air conditioning

Basement

  • Full
  • Unfinished

Exterior

  • Brick
  • Vinyl siding

Foundation

  • Poured Concrete

Parking

  • Attached Garage

Lot

  • Cul-de-sac
  • Southern exposure
  • Automatic Garage Door Opener

Sewer & Utilities

  • Municipal sewage system

Financing

Mortgage calculator

Estimated monthly payment

$4,186/mo

Amortization

Loan amount

$716,000

Down payment

$179,000

Estimate only. Rates and terms vary by lender and qualification.

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Location & area

Cornerstone

About the area

Census · L3M
28,433
Population
45
Median age
$104,000
Median income
$765,000
Median home value
83%
Home ownership
28 min
Avg. commute

Age distribution

0–14
16%
15–24
11%
25–44
23%
45–64
29%
65+
21%

Tenure

83% owners17% renters

Neighbourhood statistics for the property’s forward sortation area. Figures are census-derived estimates.

Powered by Neighbourly.io
Good to know

Frequently asked questions

What is the asking price for 12 SUMNER CRESCENT?

12 SUMNER CRESCENT is listed for $895,000, in Cornerstone.

How many bedrooms and bathrooms does 12 SUMNER CRESCENT have?

It offers 3 bedrooms and 3 bathrooms (including 1 half-bath).

What type of home is 12 SUMNER CRESCENT?

12 SUMNER CRESCENT is a Single Family, House set over 2 storeys.

How large is 12 SUMNER CRESCENT?

The home offers approximately 3,375 sq ft of living space.

What would the monthly mortgage payment be?

With a 20% down payment at a 5.0% interest rate over a 25-year amortization, the estimated monthly payment is about $4,186. Use the mortgage calculator above to model your own scenario.

What are the annual property taxes?

Property taxes are approximately $6,754 per year.

Is there parking?

Yes — 12 SUMNER CRESCENT includes 5 parking spaces.

What is the Cornerstone area like?

Cornerstone has a population of about 28,433, a median age of 45, a 83% home-ownership rate, with an average commute of about 28 minutes.

What is the average home value in Cornerstone?

The median dwelling value in this area is approximately $765,000, based on census data via Neighbourly.

What is the median household income in Cornerstone?

The median household income in this area is approximately $104,000.

Private viewings

Arrange a private viewing of 12 SUMNER CRESCENT.

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