2Offering 2,827 sq. ft. of impeccably restored commercial space, 42 Ontario Street seamlessly pairs timeless historic character with sleek, high-end modern functionality.
3A coveted downtown asset: the property boasts its own dedicated, private multi-car parking lot right on site.
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Zara is an AI virtual agent. Advisors are licensed REALTORS® at Coldwell Banker Summit Realty, Brokerage.
Commercial Property in Grimsby
About 42 Ontario Street
A Rare Commercial Gem & Turnkey Executive HQ in Downtown Grimsby! Offering 2,827 sq. ft. of impeccably restored commercial space, 42 Ontario Street seamlessly pairs timeless historic character with sleek, high-end modern functionality. This versatile property features 12 private offices, a welcoming client reception area, a professional staff lounge, and a private back deck ideal for outdoor breaks or team meetings.Completely turnkey and move-in ready, this space is tailored for legal practices, financial firms, medical/wellness professionals, tech hubs, or savvy investors seeking a premium income-generating asset. A coveted downtown asset: the property boasts its own dedicated, private multi-car parking lot right on site. Commanding prime street exposure with high foot and vehicular traffic, you are steps from boutique shops and dining, with lightning-fast QEW access connecting your business directly to the GTA and Niagara Region. Position your business for prestige and growth!
Grimsby office priced at $1,299,000 — book a tour to see if it fits your search.
Inside 42 Ontario St
Every detail from the listing, in one place.
Type
Office
Features & systems
Lot & land
Lot size (sqft)
0
Listing & possession
Property class
Office
42 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® X13804298$1,299,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 42 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.
Keep looking near 42 Ontario St
Homes for sale in Grimsby
Every active Grimsby MLS® listing, updated all day.
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 42 Ontario St
How much is 42 Ontario St listed for?
42 Ontario St is listed at $1,299,000 (MLS® X13804298). Summitly updates the price as soon as the MLS® record changes.
Has the price of 42 Ontario St changed?
No — 42 Ontario St is still listed at its original asking price of $1,299,000.
How many bedrooms and bathrooms does 42 Ontario St have?
The listing for 42 Ontario St doesn't publish its bedroom and bathroom count. It is a commercial property in Grimsby.
How does 42 Ontario St compare with other homes in Grimsby?
Its asking price of $1,299,000 is about 77% 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 42 Ontario St been sold before?
Summitly has no earlier MLS® sale or lease of 42 Ontario St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 42 Ontario St?
42 Ontario St is in Grimsby, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 42 Ontario St been on the market?
35 days — 42 Ontario St was listed on September 18, 2026.
What is the land transfer tax on 42 Ontario St?
About $22,455 in Ontario land transfer tax at the asking price of $1,299,000. 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 42 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 42 Ontario St?
The listing for 42 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 42 Ontario St built?
The listing for 42 Ontario St doesn't publish a year built. A Summitly agent can ask the listing brokerage for it.
