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 - April issue

OCA Construction Comment Magazine - April 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 April 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: Captain A. Roy Brown Boulevard Extension and McEachen Drive
Construction

Address: 175 Bridge Street, Carleton Place ON, K7C 2V8

Closing Date: Monday, April 14 2025, 11:00 AM EST

See all project opportunities

Latest News/Press releasesSee all news/press Releases

March 24, 2025

OCA Elects Ken Crawford 2025 Chair

The Ottawa Construction Association is pleased to announce that the members of its Board of Directors have elected Ken Crawford, President of C&M Electric as its 2025 Chair.

March 24, 2025

2024 OCA AGM Report

See all upcoming courses

  • Upcoming courses

    28 April 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

    29 April 2025
    From $500.00 excl. Tax

    Finance and Accounting for Non-Financial Managers

    Contractors will sharpen their financial skills with this three-1/2 day interactive training event. You will learn about financial vocabulary, participate in financial analyses, and improve the financial status companies.

    Online