12 Ontario St is a 9-bathroom retail in Grimsby, listed for $1,699,900.
1Turnkey mixed-use investment opportunity in the heart of grimsby!
2An excellent opportunity to acquire a fully tenanted mixed-use investment property in Downtown Grimsby.
3The property has benefited from significant capital improvements, including updated mechanicals, roofing/decking and landscaping, helping reduce near-term capital requirements.
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Zara is an AI virtual agent. Advisors are licensed REALTORS® at Coldwell Banker Summit Realty, Brokerage.
9 Bath Commercial Property in Grimsby
About 12 Ontario Street
Turnkey mixed-use investment opportunity in the heart of grimsby! An excellent opportunity to acquire a fully tenanted mixed-use investment property in Downtown Grimsby. Featuring a strong mix of established commercial and residential tenants, providing diversified income and long-term investment stability. The property has benefited from significant capital improvements, including updated mechanicals, roofing/decking and landscaping, helping reduce near-term capital requirements. Excellent visibility, ample parking, easy highway access and a highly walkable downtown location add to the long-term appeal for both commercial and residential tenants. A well-positioned, income-producing asset in a growing Niagara community with strong long-term hold potential. This property is being offered exclusively together with the neighbouring property and both must be purchased as one transaction.
Grimsby retail priced at $1,699,900 — book a tour to see if it fits your search.
Inside 12 Ontario St
Every detail from the listing, in one place.
Type
Retail
Lot size
50.38 x 130.71 Feet
Features & systems
Lot & land
Lot dimensions
50.38 x 130.71 Feet
Lot size (sqft)
0
Listing & possession
Property class
Commercial Retail
12 Ontario St Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X13723866$1,699,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 12 Ontario St Compares to the Grimsby Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
Zara’s estimate
$•,•••,•••
Estimated from city-wide sales. There isn’t enough detail on this listing to rate the price.
Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. 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 Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.
Average days on market34Homes sold in about 34 days on average.
Sale-to-list ratio97.3%On average, homes sold below asking.
Active listings180Homes for sale here right now.
Median vs prior 90 days+4.6%Compared with Apr 26 – Jul 25, 2026: prices up.
Based on 160 sales from Jul 25 – Oct 23, 2026 (111 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 12 Ontario St
How much is 12 Ontario St listed for?
12 Ontario St is listed at $1,699,900 (MLS® X13723866). Summitly updates the price as soon as the MLS® record changes.
Has the price of 12 Ontario St changed?
No — 12 Ontario St is still listed at its original asking price of $1,699,900.
How many bedrooms and bathrooms does 12 Ontario St have?
12 Ontario St has 9 bathrooms. It is a commercial property in Grimsby.
How does 12 Ontario St compare with other homes in Grimsby?
Its asking price of $1,699,900 is about 132% above the median sold price in Grimsby over the last 90 days, $732,000, across 160 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 12 Ontario St been sold before?
Summitly has no earlier MLS® sale or lease of 12 Ontario St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 12 Ontario St?
12 Ontario St is in Grimsby, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 12 Ontario St been on the market?
56 days — 12 Ontario St was listed on August 28, 2026.
What is the lot size of 12 Ontario St?
The lot measures 50.38 × 130.71 Feet, as published in the listing.
What is the land transfer tax on 12 Ontario St?
About $30,473 in Ontario land transfer tax at the asking price of $1,699,900. First-time buyers can get up to $4,000 back. Legal fees and other closing costs are extra.
How do I book a viewing of 12 Ontario St or make an offer?
Select "Book a viewing" on this page and pick a time. A licensed Coldwell Banker Summit Realty, Brokerage agent confirms it with the listing brokerage. When you're ready, your agent prepares the offer with you and submits it to the listing brokerage.
What is the property tax for 12 Ontario St?
The listing for 12 Ontario St doesn't publish the annual property tax. The property tax calculator linked at the foot of this page gives an estimate for Grimsby.
When was 12 Ontario St built?
The listing for 12 Ontario St doesn't publish a year built. A Summitly agent can ask the listing brokerage for it.
