




42 Ontario Street, Grimsby, ON
L3M 3H1
Listed September 18, 2026
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About this property
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!
Features
Property Details
Listing
Property
Location
Taxes & Financials
Cost of Ownership Calculator
What it could cost each month to own 42 Ontario Street — mortgage, property taxes, fees, insurance, utilities and upkeep. Change any number to match your situation.
Your mortgage
$259,800 · Minimum $259,800
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.
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Your figure.
One-time costs
A typical estimate — your lawyer will confirm.
Estimated monthly cost of ownership
$7,137/mo
About $85,644 a year
- $5,746
- $1,391
Cash needed to close
- Down payment (20%)
- $259,800
- Ontario land transfer tax
- $22,455
- Legal fees, title insurance & inspectionEstimate
- $2,500
- Total
- $284,755
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
42 Ontario Street, Grimsby, ON
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Last Updated: September 18, 2026
Listing Office: ROYAL LEPAGE STATE REALTY
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