Free BC homeowner reference
Greater Vancouver Municipal Basement Drainage & Permit Sources
One independent index of official municipal guidance for foundation drainage, roof runoff, heavy rain, excavation, plumbing, and residential permit questions.
Download the source list as CSVStart with the symptom
Record the timing, location, water quality, and rainfall conditions before choosing a repair method.
Confirm the municipality
Permit and drainage guidance follows the property's municipal address, not the contractor's service area.
Verify the exact scope
A rule for new construction may not apply to maintenance. Ask the municipality about the proposed work.
13 local guides
Official sources by municipality
Each entry links to the municipality's own pages or documents and to a plain-language local checklist. The source list was reviewed July 26, 2026.
Port Coquitlam
Read the local homeowner guide →Port Moody
Read the local homeowner guide →New Westminster
Read the local homeowner guide →Maple Ridge
Read the local homeowner guide →Vancouver
Read the local homeowner guide →North Vancouver
Read the local homeowner guide →West Vancouver
Read the local homeowner guide →Richmond
Read the local homeowner guide →Langley (Township source)
Read the local homeowner guide →Scope and corrections
This is an independent research index, not municipal, engineering, legal, or permit advice. Municipal pages can move or change. If a source is outdated, email hello@wetbasementrepairbc.com with the affected municipality and replacement source.