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Multiplex for sale at 66 Prospect Street, Newmarket - 6 bedroom, 5 bathroom - Photo 1 of 19
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$1,800,000

66 Prospect St

Newmarket, ON L3Y 3S9

66 Prospect St, Newmarket — Listed at $1,800,000. 6 bedroom, 5 bathroom 2 1/2 Storey Multiplex. MLS® N13882840.

New this week

Possession · seller's timeline

Flexible (Imm / 30 Days)

6Beds
5Baths
3500-5000sqft
Multiplex
2 1/2 Storey
8Parking
$13,000Taxes/yr · 2026

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Description

Exceptional Investment Opportunity in the Heart of Newmarket with Future Development Potential! Rare opportunity to acquire a unique income-producing property comprising a legal triplex at 64-66 Prospect Street together with a charming detached 2-bedroom bungalow at the rear, municipally known as 567 Granby Place, all included in the purchase price. The main building features three units, including commercial office space on the ground floor and two residential apartments above, offering a versatile mix of commercial and residential income streams. With two units currently occupied and two vacant, investors can benefit from existing rental income while taking advantage of immediate leasing opportunities, with a combined potential rental income of approximately $9,000 per month ($108,000 annually), subject to market conditions. Ideally positioned just steps from Southlake Health (formerly Southlake Regional Health Centre) , historic Downtown Newmarket, Main Street's vibrant shops and restaurants, public transit, and the GO Train. Surrounded by ongoing neighbourhood growth and redevelopment activity, this property presents exciting long-term possibilities for investors, developers, and those seeking to expand their real estate portfolios. Multiple income streams offer diversification and attractive investment flexibility. Enjoy the benefits of immediate income potential, a highly desirable central location, and possible future redevelopment or intensification opportunities, subject to municipal approvals and buyer's independent due diligence. A rare opportunity to invest today while positioning yourself for tomorrow's growth!

Property Details

Property TypeMultiplex
Style2 1/2 Storey
CommunityCentral Newmarket
Rooms11
Kitchens4
Washrooms5
Square Feet3500-5000 sqft
Lot Dimensions70 × 147 ft
Fronting OnWest
Dir/Cross StProspect & Davis
Garage TypeNone
DrivePrivate
Parking Drive Spaces8
Total Parking Spaces8
ExteriorAluminum Siding
RoofAsphalt Shingle
FoundationConcrete Block
BasementSeparate Entrance
Heating TypeForced Air
Heating SourceGas
A/CWall Unit(s)
SewersSewer
Taxes (2026)$13,000
HSTIn Addition To
Listed Date10/9/2026
Days on Market5 days
PossessionImm / 30 Days
Same-day showings available
5.0Rated 5 stars on Google ReviewsWhatsApp Us About This Listing

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Listing Courtesy of: REMAX YOUR COMMUNITY REALTY

MLS® #N13882840

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: 66 Prospect Street

This multiplex (2 1/2 Storey) is located in the Central Newmarket neighbourhood of Newmarket.

The home offers 6 bedrooms, 5 bathrooms.

Features include a separate entrance basement, 8 parking spaces.

Additional details: lot dimensions of 70 × 147 feet.

Listed at $1,800,000 CAD with annual property taxes of $13,000 (2026).

About Newmarket Real Estate

This Multiplex 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 →