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 - February issue

OCA Construction Comment Magazine - February 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 February issue
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Publish your next CSP image – Title Publish your Certificates with OCA!

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 Certificate with OCA
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Need to schedule Commissioner of Oath services?

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 (8:00am - 4:00pm) stephanie@oca.ca, kaitlyn@oca.ca alex@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.

Commissioner of Oaths - Statutory Declarations
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Looking for a location to host your next meeting?

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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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

Name: CSDCEO – Major Renovations – Ecole Elementaire Catholique Saint Joseph

Address: 1008, chemin Russell Nord, Russell ON, K4R 1G7

Closing Date: Thursday, February 27 2025, 2:00 PM EST

See all project opportunities

Latest News/Press releasesSee all news/press Releases

January 29, 2025

Tariffs – Well isn’t this nice?

Well now we are back to the same issues, dressed up in a different cause. With the Trump tirade of instituting a 25% tariff on all Canadian goods and the Canadian government’s retaliatory steps in matching those tariffs dollar for dollar, where does that leave Ottawa’s construction industry?

January 21, 2025

GCAO – OCA Letter to the City of Ottawa

See all upcoming courses

  • Upcoming courses

    24 February 2025
    From $175.00 excl. Tax

    Managing Shop Drawings, Samples and Submittals

    The process for submitting shop drawings, submittals and samples is key to getting the right materials and equipment to the right place at the right time

    Online

    25 February 2025
    From $75.00 excl. Tax

    The Construction Act

    This 3-hour seminar will provide an overview of the key features/changes of the following categories of rights and obligations that are now and will be under the Construction Act:

    Ottawa