Mold test

A test for mold in the air or on surfaces, usually if a general inspection finds signs of moisture. Comes back with species and concentration.

Inspections & appraisals · Updated September 2026

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Where this comes up: under contract

This word belongs to the under contract part of a sale. Here is what that part holds, in order.

  1. Go under contractSign the purchase agreement · Confirm earnest money is deposited
  2. Buyer's inspectionCoordinate access for the inspector · Give the inspector clear access
  3. Title workOpen title with your closing team · Review the title commitment
  4. Settle repairsDecide what you'll fix and what you'll credit · Collect contractor quotes

Your Room keeps this list for your own sale, with your dates on it.

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Part 1 of 4

Why a seller cares

A mold test usually follows a moisture finding on the general inspection, and its results can frighten a buyer out of proportion. Knowing where your home's moisture is before listing is how sellers avoid a surprise here.

Part 2 of 4

A simple example

The inspector finds staining under the kitchen sink. The buyer orders a mold test, which comes back with elevated levels in that cabinet only.

Mold test: a simple example
What the test findsWhat tends to follow
Elevated levels in one small areaRemediation of that area, a few hundred dollars, usually by the seller
Elevated levels in the air across the basementProfessional remediation, and often a nervous buyer
Normal levelsNothing; the item closes

A mold test measures a moisture problem. Fixing the moisture is the real work.

Part 3 of 4

What people get wrong

That any mold is a deal-breaker. Every house has some; the report is about level and location.

Part 4 of 4 · where to read next

Where it appears in the sale

What a definition is, and what it isn't

Keighbor is a software company, not a law firm, brokerage, or tax adviser. This is general information, not legal, tax, financial, or real estate advice about your sale. Your situation may differ. Before acting on a contract, disclosure, title, tax, or pricing question, ask an appropriately licensed professional in your state.

Written and researched by Keighbor Research · drawn from the reference glossary · how we research and check what we publish

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