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

Need to schedule Commissioner of Oath services?

This is a free service for OCA Members. During the COVID Lockdown Members can contact one of the commissioners by email during business hours (8:30am - 4:00pm) stephanie@oca.ca, mjroy@oca.ca or kathy@oca.ca Non-members would need to purchase Virtual Witnessing at $17.70 + HST for each document witnessed.

Schedule a Virtual Witness
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OCA Summer Hours

Please note OCA is currently on Summer Hours. From June 1st to September 1st, the office is open from Monday - Thursday from 8:00 AM to 4:30 PM, and Friday from 8:00 AM - 3:00 PM

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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.

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Membership Pricing
Become a Member
Member Directory

Highlighted Project

Closing date – July 03, 2021

Cornwall Civic Complex
Parking Lot

Ottawa, Ontario

See all upcoming projects

Latest News/Press releasesSee all news/press Releases

March 12, 2021

OCA Elects Ray Shannon 2021 Chair

The Ottawa Construction Association is pleased to announce that the members of its Board of Directors have elected Ray Shannon of BrokerLink as its 2021 Chair.

February 6, 2021

Best Practice for Construction Hygiene

Joint OCA-NCHCA-Ottawa Building Trades Council Recommended Gold Standard for Construction Hygiene

See all upcoming courses

  • Upcoming courses

    22 June 2021
    From $250.00 excl. Tax

    Online Bluebeam Training: Revu Estimating

    You will learn how to be more efficient in your take offs and produce more meaningful and clearer take-offs. This course is not just "how to use the software for estimating" it is how to use it to its highest and best capabilities!

    Online

    22 June 2021
    From $487.00 excl. Tax

    CCDC 5A+5B: Construction Management Keys to Success

    Online