Ottawa Construction Association

Founded in 1889, the Ottawa Construction Association is one of the largest regional construction associations in Canada with more than 1,100 firms active in all sectors of the region's $5-billion construction market. The OCA serves its members in four major ways –Construction Project Information, Education, Networking and Advocacy.

Learn more about the OCA

OCA Construction Comment Magazine - November 2022 issue

Construction Comment is the official publication of the Ottawa Construction Association that is digitally distributed to key decision makers and purchasers in eastern Ontario’s construction industry.

Read the November 2022 issue
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Need to schedule Commissioner of Oath services?

This is a free service for OCA Members. Contact one of the commissioners by email during business hours (8:30am - 4:00pm) stephanie@oca.ca, kaitlyn@oca.ca or mjroy@oca.ca Please call ahead for in person service.
Non-members would need to purchase Virtual Witnessing at $17.70 + HST for each document witnessed.

Schedule a Virtual Witness
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Looking for a location to host your next meeting?

Meeting room rentals are for sessions which do not involve an admission or training fee. If you would like to rent a room to conduct training or any type of event for which a fee will be charged, please contact the Ottawa Construction Association directly at: oca@oca.ca and provide us with the details of the event.

Meeting Room Rentals
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Publish your Certificates with OCA!

Construction purchasers, owners’ representatives and prime contractors can publish Ontario legal notices on Link2Build.ca including; Certificates of Substantial Performance, Notices of Non-Payment of Holdback, Notices of Termination, Certificates of Completion of Subcontract, Notices of Intention to Register a Condominium Link2Build charges a flat fee of just $199 per notice.

Publish your Certificates
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OCA Membership

Membership in OCA is your investment to growing your business! Explore our website to learn more about accessing thousands of bid opportunities, marketing your firm’s services or products, growing your business network, professional development opportunities in OCA’s Education program or the numerous cost saving OCA Affinity programs.

Discover Member Services
Membership Pricing
Become a Member
Member Affinity Program

Highlighted Project

Marie-Curie Public Elementary School
837 Quinland Road , Ottawa ON
Closing Date, Tuesday November 30th, 2022 at 2:00 PM

See all project opportunities

Latest News/Press releasesSee all news/press Releases

July 19, 2022

“OCA Urges BUYERS to include Price Adjustment provision in Tenders to deal with hyperinflation”

March 25, 2022

OCA 2022 AGM – Presentation by Dr. Ian Lee, PhD, Sprott School of Business Carleton University

Download Dr. Ian Lee, PhD's presentation from the 2022 OCA AGM.

See all upcoming courses

  • Upcoming courses

    29 November 2022
    From $649.00 excl. Tax

    Managing CCDC Contracts for Project Success

    This course is part of the Managing Construction Series

    Online

    29 November 2022
    From $315.00 excl. Tax

    Online Bluebeam Training: Revu Basics

    This two-day instructor-led series will provide you with the knowledge and skills to create, edit, markup, and collaborate on AEC documents using Bluebeam Revu.

    Ottawa