




145 King Street, St. Catharines, ON
L2R 3J2
Listed September 8, 2026
Property Tour
About this property
A rare 7,200 sq. ft. downtown ownership opportunity with exceptional flexibility! Built in 1950 as the former Grantham Township City Hall, this distinctive St. Catharines property offers approximately 7,200 sq. ft. across three levels and an opportunity that can work for an owner-user, live/work buyer or investor. Need space for your own business? The existing commercial tenant is willing to vacate, providing the opportunity to occupy the building for your own use. Prefer to live and work under one roof? The impressive 2,400 sq. ft. upper loft is available immediately, while the established tenant occupying the main and lower levels is willing to negotiate a new lease with the purchaser. For an investor, the property's size, flexible configuration and downtown location create yet another compelling possibility. The main floor features reception, multiple offices, modern kitchen, dining area, boardroom and storage. The lower level offers additional offices, men's and women's washrooms, storage and a private side entrance. Upstairs, the approximately 2,400 sq. ft. loft features 2 bedrooms, a 5-piece ensuite, additional 4-piece bathroom, laundry, spacious kitchen and living room with cozy gas fireplace. High windows provide exceptional natural light, while a spiral staircase leads to an incredible approximately 1,000 sq. ft. rooftop patio - perfect for BBQs, entertaining or relaxing above the city. Additional features include 3 tandem parking spaces accommodating 6 cars, forced-air gas heating, central air (2020), secondary hot-water gas system, 44 replacement windows (2008) and newer flooring (2018).Ideally located across from the bus terminal and parking garage and steps from the Performing Arts Centre, Meridian Centre, restaurants and downtown amenities. One property. Three distinct possibilities. Occupy it. Live and work in it. Or invest in it.
Features
Property Details
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Taxes & Financials
Cost of Ownership Calculator
What it could cost each month to own 145 King Street — mortgage, property taxes, fees, insurance, utilities and upkeep. Change any number to match your situation.
Your mortgage
$258,000 · Minimum $258,000
Use the rate your lender or broker quotes you.
Monthly costs
From the listing (2026 tax bill).
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Your figure.
One-time costs
A typical estimate — your lawyer will confirm.
Estimated monthly cost of ownership
$7,526/mo
About $90,312 a year
- $5,706
- $1,820
Cash needed to close
- Down payment (20%)
- $258,000
- Ontario land transfer tax
- $22,275
- Legal fees, title insurance & inspectionEstimate
- $2,500
- Total
- $282,775
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
145 King Street, St. Catharines, ON
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Last Updated: September 8, 2026
Listing Office: RE/MAX HENDRIKS TEAM REALTY
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