Whole-House Repiping in Oakville typically costs $4,500 – $9,000
Three-bedroom house: replace galvanized pipes · excludes 13% HST · updated in 2026 year 10 month
Replacing galvanized pipes in a Greater Toronto Area three-bedroom house usually costs $4,500–$9,000, $8,000–$15,000 for four bedrooms or more, $3,500–$8,000 for replacing Poly-B pipes; add $500–$2,000 for wall opening and patching.