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Active

$999,000

78 Main St S

Newmarket, ON L3Y 3Y6

78 Main St S, Newmarket — Listed at $999,000, 2 bathroom Office. MLS® N12683004.

2Baths
Professional Office
Office
$9,252Taxes/yr · 2025

Description

Turn of the (last) century beauty ideal for owner / user office space! Significantly upgraded and restored Great exposure and prestige location just steps to the downtown stores, restaurants, transit, Riverwalk Commons and the Go Train. Suits one or two units for income. Zoning is UC-D1 which permits many commercial / institutional / professional / education / retail / and residential uses. Located in the Historic Downtown Urban Centre Zone, but not listed or designated historic. Private driveway with parking for 8 cars plus ample free street parking. Stairwell to unfinished 3rd floor provides storage with the opportunity to finish with dormers for more office space. The basement has good height for storage and a back flow valve. The garage is heated and insulated.

Property Details

Property TypeOffice
CommunityCentral Newmarket
Washrooms2
Lot Size5,791 sq ft
Lot Dimensions50 × 115.8 ft
Lot Size Area5,791 sqft (MPAC)
Dir/Cross StMain / Queen
Garage TypeOther
Heating TypeGas Forced Air Open
A/CYes
Taxes (2025)$9,252
HSTIn Addition To
SecurityNo
Listed Date1/10/2026
Days on Market207 days
Possession60 days / tba

Business Details

Property Sub-TypeOffice
Business TypeProfessional Office
Property UseOffice
Occupant TypeOwner
Showing RequirementsLockbox
Possession TypeFlexible
Listing Expires8/31/2026

Industrial Specifications

Outside StorageYes
Same-day showings available
5.0Rated 5 stars on Google ReviewsWhatsApp Us About This Listing

Property Insights

Listing Courtesy of: RE/MAX HALLMARK REALTY LTD.

MLS® #N12683004

TRREBMLS®

The listing data is provided under copyright by the Toronto Regional Real Estate Board (TRREB). The listing data is deemed reliable but is not guaranteed accurate by TRREB. 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 trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

© 2026 Toronto Regional Real Estate Board. All rights reserved.

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HouseIndex Take: 78 Main Street S

This office is located in the Central Newmarket neighbourhood of Newmarket.

The home offers 2 bathrooms.

Additional details: lot dimensions of 50 × 115.8 feet.

Listed at $999,000 CAD with annual property taxes of $9,252 (2025).

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About Newmarket Real Estate

This Office is located in the Central Newmarket community in Newmarket. Newmarket is York Region's northern anchor, offering an award-winning historic Main Street, the Upper Canada Mall, and strong community amenities. The East Gwillimbury GO station expansion is improving transit access. Buyers find good value in newer subdivisions while the downtown core retains small-town charm with restaurants and boutiques.

Historic Main Street shopping districtUpper Canada MallFairy Lake Park & trailsGO Transit expansion underway
~55 min commute to downtown TorontoWalkability: Walkable Main Street — car-dependent subdivisions
View full Newmarket neighbourhood guide →