Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 1 of 45

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 2 of 45

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 3 of 45

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 4 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 5 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 6 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 7 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 8 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 9 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 10 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 11 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 12 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 13 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 14 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 15 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 16 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 17 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 18 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 19 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 20 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 21 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 22 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 23 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 24 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 25 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 26 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 27 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 28 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 29 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 30 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 31 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 32 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 33 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 34 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 35 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 36 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 37 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 38 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 39 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 40 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 41 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 42 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 43 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 44 of 45

Unlock All 45 Photos

Enter your email for instant access

Office for sale at 78 Main Street S, Newmarket, 2 bathroom - Photo 45 of 45

Unlock All 45 Photos

Enter your email for instant access

1 / 45• 42 locked

Active

78 Main St S

Newmarket, ON L3Y 3Y6

$1,049,900

78 Main St S, Newmarket — Listed at $1,049,900, 2 bathroom Office. MLS® N12683004.

2Baths

Professional Office

Office

$9,252 (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.

Price & Status History

Price history is locked

Business Details

Property Sub-TypeOffice

Business TypeProfessional Office

Property UseOffice

Occupant TypeOwner

Showing RequirementsLockbox

Possession TypeFlexible

Listing Expires6/30/2026

Industrial Specifications

Outside StorageYes

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 Market151 days

Possession60 days / tba

Your agent: Vick Yogeswaran

REALTOR® · RE/MAX Realtron Realty Inc.

Same-day showings available

Property Insights

Listing Courtesy of: RE/MAX HALLMARK REALTY LTD.

MLS® #N12683004

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.

Thinking about living in Newmarket?

Explore the neighbourhood guide for Newmarket — market trends, popular areas, buyer tips, and more.

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 →