12 Sumner Crescent, Grimsby, ON
L3M 5E2
Listed September 4, 2026
Property Tour
About this property
Welcome to 12 Sumner Crescent, a detached home tucked away on a quiet crescent just steps from Lake Ontario. Offering over 2,300 sq. ft. of above-grade living space, plus a fully finished basement, this home combines comfort, space and lifestyle in one of Grimsby's sought-after lakeside neighbourhoods. Freshly refinished for a modern feel, the home features a spacious kitchen with quartz countertops and backsplash, wood cabinetry, and a large island with breakfast bar overlooking the family room with gas fireplace. A walkout leads to a bonus sunroom overlooking the landscaped yard, creating the perfect setting to relax or entertain. An open-concept living and dining area offers plenty of room for gatherings, and you have a formal dining and living room on the main floor as well as laundry, inside garage access and a convenient powder room to add everyday ease. Upstairs, three generously sized bedrooms include a spacious primary retreat with walk-in closet and 5-piece ensuite. The two additional bedrooms share a 4-piece bathroom, also featuring quartz countertops. The fully finished lower level offers versatile space for a recreation room, home office, gym or family hangout, with new flooring added in 2026. Additional updates include interior painting (2026), heat pump (2023), gas washer and dryer (2020), and roof shingles (2019). Enjoy the lakeside lifestyle with easy access to waterfront parks, scenic trails, the GO Station, marina, beach, schools and everyday amenities, plus convenient QEW access for commuters. Discover the best of Grimsby living You can live by the lake with all the conveniences of home. It's the best of both worlds!
Features
Property Details
Listing
Property
Parking & Land
Location
Taxes & Financials
Cost of Ownership Calculator
What it could cost each month to own 12 Sumner Crescent — mortgage, property taxes, fees, insurance, utilities and upkeep. Change any number to match your situation.
Your mortgage
$179,980 · Minimum $64,990
Use the rate your lender or broker quotes you.
Monthly costs
From the listing (2026 tax bill).
Leave at $0 if there isn't one.
Typical for this kind of home.
Hydro, heating, water and sewer.
About 1% of the price a year, set aside.
One-time costs
A typical estimate — your lawyer will confirm.
Estimated monthly cost of ownership
$5,736/mo
About $68,832 a year
- $3,981
- $550
- Home insurance$125
- Utilities$330
- Maintenance & repairs$750
Cash needed to close
- Down payment (20%)
- $179,980
- Ontario land transfer tax
- $14,473
- Legal fees, title insurance & inspectionEstimate
- $2,500
- Total
- $196,953
Estimates only — not a mortgage approval, quote or tax advice. Payments assume a fixed rate compounded semi-annually; minimum down payments, mortgage insurance and land transfer tax follow current CMHC and Ontario rules. Insurance, utilities and upkeep are typical figures for the area. Your lender, lawyer and insurer will confirm your exact costs.
Location & Walkability
12 Sumner Crescent, Grimsby, ON
Map data © GoogleOpen in Google Maps ↗
Similar Properties Nearby
View all →
For SaleVirtual tourGrimsby
$899,900
15 Karen Crescent
For SaleGrimsby
$899,900
13 Lakeside Drive
For SaleGrimsby
$899,888
295 Park Road
For SaleGrimsby
$899,990
7 Lampman Drive
For SaleGrimsby
$875,000
138 Livingston Avenue
For SaleVirtual tourGrimsby
$874,999
2 14th Street
Last Updated: September 4, 2026
Listing Office: RE/MAX ESCARPMENT GOLFI REALTY INC.
This listing content is owned and licensed by REALTOR® members of The Canadian Real Estate Association. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by The Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The trademarks MLS®, Multiple Listing Service®, and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.