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Compare Plumbing costs in Honolulu, HI (2026)
Not sure which option fits? Here's how every Plumbing project compares in Honolulu — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Whole House Repipe (from $3,900).
Whole House RepipeBest value$3,900 – $8,800
Best for: Replaces aging or failing supply pipesTypically $6,350
Sewer Line Replacement$3,450 – $12,950
Best for: Fixes a failed or collapsed main sewer lineTypically $8,200
Often paired with Plumbing in Honolulu
Homeowners tackling Plumbing frequently budget for these too.
Estimates are localized to Honolulu (hot climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.