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Water Damage Found During Remodel: Next Steps

Water damage found during a remodel needs the source found and stopped first, then drying. The EPA says water-damaged areas should be dried within 24 to 48 hours to prevent mold growth. Photograph everything before it is removed, call your insurer, and have the repair priced as a written change order before work goes on.

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Is the water damage a safety problem?

Water damage becomes a safety problem through mold, rot and wet wiring. The EPA, “A Brief Guide to Mold, Moisture and Your Home” (retrieved October 22, 2026) says: “It is important to dry water-damaged areas and items within 24-48 hours to prevent mold growth.”

It also says not to run an HVAC system you know or suspect is contaminated with mold, and that mold growth over about 10 square feet calls for its larger-cleanup guidance.

Keep power off to wet circuits until an electrician says otherwise. If the house was built before 1978, removing painted surfaces falls under the EPA lead RRP rule and needs a certified firm. Have a licensed pro confirm structural damage to framing or a subfloor; this page gives no repair instructions for that work.

What are your rights under the contract?

Your rights depend on how the contract treats hidden conditions. Many exclude them, so repairing rot or a leak becomes a change order. The contractor should stop, show you the damage, and price it in writing before going on. See remodeling contracts.

Which documents should you gather?

  • Dated photos and video of the damage before anything is removed.
  • The contractor’s written description of the cause and extent.
  • Moisture readings, if taken, with dates.
  • Your insurance policy and claim number.
  • The signed change order for the repair.

Who should you contact?

  1. A plumber or roofer to find and fix the source.
  2. Your insurer, before damaged material is thrown away.
  3. A mold professional for large or hidden growth, as the EPA suggests.
  4. The building department if structural or permitted work changes (see permits and approvals). Check any new trade’s license in the license lookup directory.

How do you finish the remodel?

The remodel can finish once the source is fixed, the area is dry and any replaced framing has passed inspection where required. Re-check the budget with the contingency calculator, then close the walls.

Re-plan with the repair in. Plan Your Remodel: tell HyreRemodel what was found, and a person reads it and replies.

Questions people ask

Is water damage found during a remodel a change order?
Usually, if the contract excludes hidden conditions, which many do. The repair should be priced and signed as a change order before the walls close.
Will homeowners insurance pay?
That depends on your policy and the cause. Many policies treat sudden leaks differently from long-term seepage. Call your insurer before the damage is removed, and photograph it first.
When does mold need a professional?
The EPA says that if mold covers more than about 10 square feet, follow its guidance for larger cleanups, and that hidden mold may call for an experienced professional. Source: EPA.
Can the walls be closed once it is dry?
Only once the source is fixed, the framing is dry and any replacement work is inspected where a permit applies. A moisture meter reading is how dryness is usually checked.

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