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WarehouseINDEX

Office Buildings & Space for Sale & Lease in Newmarket, Ontario

Office assets range from single professional suites to freestanding buildings — well suited to owner-occupiers and investors targeting stable, credit-tenant income.

25total listings5for sale25for lease
Office at 56 Prospect Street, Newmarket
OfficeFor Lease
$2,500lease0.25 SF
56 Prospect Street
Newmarket, ON
MLS® N14111976SOTHEBY'S INTERNATIONAL REALTY CANADA
Office at 56 Prospect Street, Newmarket
OfficeFor Lease
$1,500lease0.25 SF
56 Prospect Street
Newmarket, ON
MLS® N14111964SOTHEBY'S INTERNATIONAL REALTY CANADA
Office at 56 Prospect Street, Newmarket
OfficeFor Lease
$900lease0.25 SF
56 Prospect Street
Newmarket, ON
MLS® N14111948SOTHEBY'S INTERNATIONAL REALTY CANADA
Office at 227 Eagle Street, Newmarket
OfficeFor Lease
$4,000lease2,000 SF
227 Eagle Street
Newmarket, ON
MLS® N14102038MAIN STREET REALTY LTD.
Office at 39 Parkside Drive, Newmarket
OfficeFor Lease
$3,200lease932 SF
39 Parkside Drive
Newmarket, ON
MLS® N14033984ROYAL LEPAGE FLOWER CITY REALTY
Office at 184 MAIN Street S, Newmarket
OfficeFor Lease
$3,040lease1,140 SF
184 MAIN Street S
Newmarket, ON
MLS® N13719146MAIN STREET REALTY LTD.
Office at 77-83 Davis Drive, Newmarket
OfficeFor Lease
$850lease350 SF
77-83 Davis Drive
Newmarket, ON
MLS® N13700522NAVE REAL ESTATE, BROKERAGE INC.
Office at 390 Davis Drive, Newmarket
OfficeFor Lease
$750lease145 SF
390 Davis Drive
Newmarket, ON
MLS® N13655798ZOLO REALTY
Office at 390 Davis Drive, Newmarket
OfficeFor Lease
$650lease100 SF
390 Davis Drive
Newmarket, ON
Taxes $43,002/yr
MLS® N13655794ZOLO REALTY
Office at 71 Main Street S, Newmarket
OfficeFor Lease
$6,500lease2,200 SF
71 Main Street S
Newmarket, ON
MLS® N13647860RED APPLE REAL ESTATE INC.
Office at 71 Main Street S, Newmarket
OfficeFor Lease
$750lease80 SF
71 Main Street S
Newmarket, ON
MLS® N13647858RED APPLE REAL ESTATE INC.
Office at 431 Davis Drive, Newmarket
OfficeFor Lease
$1,300lease140 SF
431 Davis Drive
Newmarket, ON
MLS® N13590040COLDWELL BANKER THE REAL ESTATE CENTRE
Office at 30 Prospect Street, Newmarket
OfficeFor Lease
$18lease883 SF
30 Prospect Street
Newmarket, ON
Taxes $15.54/yr
MLS® N13225340RE/MAX HALLMARK YORK GROUP REALTY LTD.
Office at 411 Queen Street, Newmarket
OfficeFor Lease
$550lease110 SF
411 Queen Street
Newmarket, ON
MLS® N13159902ROYAL LEPAGE RCR REALTY
Office at 390 Davis Drive, Newmarket
OfficeFor Lease
$16lease1,701 SF
390 Davis Drive
Newmarket, ON
Taxes $11.3/yr
MLS® N12984344COLDWELL BANKER THE REAL ESTATE CENTRE
Office at 615 Davis Drive, Newmarket
OfficeFor Lease
$10lease1,966 SF
615 Davis Drive
Newmarket, ON
Taxes $11.48/yr
MLS® N12916496COLDWELL BANKER THE REAL ESTATE CENTRE
Office at 23 Bolton Avenue, Newmarket
OfficeFor Lease
$12lease3,871 SF
23 Bolton Avenue
Newmarket, ON
Taxes $12/yr
MLS® N12916472COLDWELL BANKER THE REAL ESTATE CENTRE
Office at 411 Queen Street, Newmarket
OfficeFor Lease
$550lease100 SF
411 Queen Street
Newmarket, ON
MLS® N12819112ROYAL LEPAGE RCR REALTY
Office at 411 Queen Street, Newmarket
OfficeFor Lease
$550lease47 SF
411 Queen Street
Newmarket, ON
MLS® N12818960ROYAL LEPAGE RCR REALTY
Office at 411 Queen Street, Newmarket
OfficeFor Lease
$550lease100 SF
411 Queen Street
Newmarket, ON
MLS® N12818816ROYAL LEPAGE RCR REALTY
Office at 411 Queen Street, Newmarket
OfficeFor Lease
$1,100lease150 SF
411 Queen Street
Newmarket, ON
MLS® N12818808ROYAL LEPAGE RCR REALTY
Office at 411 Queen Street, Newmarket
OfficeFor Lease
$1,250lease180 SF
411 Queen Street
Newmarket, ON
MLS® N12818792ROYAL LEPAGE RCR REALTY
Office at 1091 Gorham Street, Newmarket
OfficeFor Lease
$16.95lease2,657 SF
1091 Gorham Street
Newmarket, ON
Taxes $16.67/yr
MLS® N12562174VANGUARD REALTY BROKERAGE CORP.
Office at 1091 Gorham Street, Newmarket
OfficeFor Lease
$16.95lease1,840 SF
1091 Gorham Street
Newmarket, ON
Taxes $16.95/yr
MLS® N12562164VANGUARD REALTY BROKERAGE CORP.
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Investing in office property in Newmarket

Newmarket is one of the York Region markets we actively cover for commercial and investment buyers. This page tracks every office listing available for sale and lease in Newmarket directly from live MLS® data, so the 25 properties shown above reflect real, current availability rather than a stale snapshot. Where a seller has published net operating income, each card shows an estimated cap rate so you can compare yields quickly.

Whether you're an owner-occupier looking to control your own space or an investor chasing durable income, we can help you underwrite the numbers, review financial statements where available, and move quickly when the right Newmarket office opportunity appears.

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Newmarket Office FAQs

How many office properties are for sale in Newmarket?

There are currently 25 office listings in Newmarket on WarehouseIndex — 5 for sale and 25 for lease. Inventory updates daily from live MLS® data.

How do I calculate the cap rate on a Newmarket office property?

Cap rate = annual net operating income (NOI) ÷ purchase price. NOI is gross rent minus operating expenses before financing. Listings that publish NOI show an estimated cap rate badge on each card so you can compare yields at a glance.

Can I lease instead of buy office space in Newmarket?

Yes. Use the Sale / Lease filter above to see the 25 office listings currently available for lease in Newmarket, or reach out and we'll shortlist options that fit your budget and timeline.

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