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Main Floor Boardroom 1

Our Address

CORE21
21 Simcoe Street S
Oshawa, Ontario L1H4G1
(905) 725-6737
info@core21.ca

Business Hours

Monday – Friday
8:30 am – 4:30 pm

CORE21 offers our Members extended use of the office outside of business hours

COVID-19 Update

UPDATE: CORE21 is open for bookings! Please contact us for office, event room, boardroom and co-working availability. All visits for CORE21 and/or for any of our clients must be by appointment only. We thank you for your cooperation and look forward to seeing you.

© 2026 CORE21 Oshawa. All Rights Reserved. — Privacy Policy

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Tours are by appointment only. Please complete the below information and we will contact you.

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