Grimsby, ON · · MLS® X14119906Updated
$1,800,000
45 Ontario St is an office in Grimsby, listed for $1,800,000.
Coldwell Banker Summit Realty, BrokerageZara is an AI virtual agent. Advisors are licensed REALTORS® at Coldwell Banker Summit Realty, Brokerage.
Quaint stand alone building located adjacent to Grimsby's charming downtown core. Future area development including close proximity to a planned GO Train Station makes this property a prime location. Features a prominent store front window that opens into a beautiful reception + office area. Ample parking both on site and via a rear right of way access to an additional lot on Carnegie Lane. TRMC zoning allows multiple uses including medical/dental clinics, professional services, financial services, fitness centre, place of entertainment, day care, restaurant, bed + breakfast, veterinarian clinic, etc.
Grimsby office priced at $1,800,000 — book a tour to see if it fits your search.
Every detail from the listing, in one place.
Lot & land
Listing & possession
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
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.
Summitly estimate, not from TRREB, the MLS® or the listing brokerage. Not an appraisal. How it works
Closed sales on the TRREB MLS®.
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Listing brokerage: RE/MAX ESCARPMENT REALTY INC., BrokerageMLS® X14119906 · Listing data last updated
Listing data comes from the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but not guaranteed. Shown on Summitly by Coldwell Banker Summit Realty, Brokerage, which is not the listing brokerage. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. © 2026 Toronto Regional Real Estate Board. All rights reserved.
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.
Homes for sale in Grimsby
Every active Grimsby MLS® listing, updated all day.
Curated MLS® searches this property belongs to — same city, same shape of home.
Based on 169 sales from Jul 29 – Oct 27, 2026 (109 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
45 Ontario St is listed at $1,800,000 (MLS® X14119906). Summitly updates the price as soon as the MLS® record changes.
No — 45 Ontario St is still listed at its original asking price of $1,800,000.
The listing for 45 Ontario St doesn't publish its bedroom and bathroom count. It is a commercial property in Grimsby.
Its asking price of $1,800,000 is about 143% above the median sold price in Grimsby over the last 90 days, $740,000, across 169 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.
Summitly has no earlier MLS® sale or lease of 45 Ontario St on record from the last two years. Older records aren't shown under TRREB rules.
45 Ontario St is in Grimsby, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
1 day — 45 Ontario St was listed on October 26, 2026.
About $32,475 in Ontario land transfer tax at the asking price of $1,800,000. First-time buyers can get up to $4,000 back. Legal fees and other closing costs are extra.
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.
The listing for 45 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.
The listing for 45 Ontario St doesn't publish a year built. A Summitly agent can ask the listing brokerage for it.
