As of July 1, 2025, in the City of Vancouver, most new low-density development (single detached homes, duplexes and multiplexes) will require on-site rainwater management.
More information can be found at vancouver.ca/rainwater, including an overview of requirements and resources.
There are also several lunch-time “question and answer” sessions specifically for architects, builders, contractors and owners.
Online Question and Answer Sessions
- Thursday, May 15, at noon
Register for the session - Thursday, May 29, at noon
Register for the session - Thursday, June 12, at noon
Register for the session
Additionally, for higher-density development, the City of Vancouver is proposing updated rainwater requirements to take effect January 1, 2026. A webinar will be held on Thursday, June 19 at 12 noon, and registration is available at events.teams.microsoft.com/event/0509a601-26cf-41cc-b02e-56244177316e@b980ec8f-09b6-420d-b039-d72ab2196283. A public consultation letter inviting public feedback will also be posted at vancouver.ca/rainwater.
Learn more at vancouver.ca/rainwater