66 Prospect Street, Newmarket, ON L3Y 3S9

About this home

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!

Home details

Days on market

Not reported

Property type

Multiplex

MLS® number

N13882840

Source status

New

Bedrooms

6

Bathrooms

5

Postal code

L3Y 3S9

Kitchens

4

Kitchens above grade

4

Family room / den

No

Interior size (reported range)

3500-5000

Lot depth

147 ft

Garage parking spaces

Not reported

Total parking spaces

8

Occupancy

Tenant

Possession type

Flexible

Garage

None

Annual property tax

13000

Basement

Separate Entrance

Interior features

Other

Architectural style

2 1/2 Storey

Parking features

Private

Pool features

None

Fireplace

No

Waterfront

No

Garage available

No

Heating system

Forced Air

Heating fuel

Gas

Cooling

Wall Unit(s)

Sewer

Sewer

Direction facing

West

Construction materials

Aluminum Siding

Roof

Asphalt Shingle

Foundation

Concrete Block

MLS entry age (not confirmed DOM)

28 days

These details come from the listing source. Please confirm measurements and fees before making a decision.

Utilities and services

Sewer

Sewer

Heating system

Forced Air

Heating fuel

Gas

Cooling

Wall Unit(s)

A reported service is not necessarily included in rent or maintenance. Missing information does not mean a service is absent.

Rooms & virtual tours

Bedrooms above grade

6

Rooms above grade

11

Den / family room reported

No

Reported counts are shown independently. Room dimensions have not been inferred from these counts.

Ask the listing brokerage for floor plans and measured room layouts.

Listing dates & price record

Asking amount

$1,800,000

1. Oct 9, 2026

   Original MLS entry

   Entry into the source MLS system; distinct from days on market.

Coverage varies by listing. Dates are source-reported calendar dates; only the latest reported asking-price change is shown. This is a partial record.

Estimate monthly costs

Adjust the assumptions for your own scenario. Blank expenses are unknown; enter them for a fuller estimate.

Planning estimate with Canadian semiannual compounding. Excludes mortgage insurance, closing costs and special assessments. This is not a lender quote or mortgage approval.

Map and neighbourhood

Region / county

YORK

Municipality

NEWMARKET

MLS® community

Central Newmarket