Short answerSome moisture is normal in basements and bathrooms. A real problem is ongoing water feeding growth on materials. Small areas of surface growth are common and usually fixed by solving the moisture source and cleaning. Large areas, hidden growth, or musty odors without a clear source call for finding the water first and possibly a mold professional.
What do inspectors check?
Visible growth, staining, odors, humidity clues, and the moisture sources behind them.
What are the common findings?
- Growth on bathroom ceilings from poor ventilation.
- Growth on crawlspace framing.
- Musty basements.
- Stains from past leaks.
How serious is it?
Small areas are common. Large areas and hidden growth are serious because the moisture source is ongoing.
What does it cost to fix?
Costs vary widely with the house. Get a quote from a qualified contractor before you negotiate.
When is a specialist needed?
Large areas of growth, health concerns, or growth behind finishes.
If you are selling
Fix cheap safety items before listing, get a quote on anything big, and disclose what you know. What to fix before listing. Fix the moisture source, not just the stain.
If you are buying
Sort the finding into normal for age, negotiate, specialist, or walk away. What to ask the seller to fix.
Frequently asked questions
Should I test for mold?
Usually find and fix the moisture first. Testing helps in specific cases.
Is bleach enough?
For small surface areas the source matters more than the cleaner. Large areas need a professional.
Keep reading
Want to know what a buyer's inspector may find before they do?
Book a free pre listing condition walk. I walk the house with you, point out what inspectors and FHA, VA, and USDA appraisers tend to flag, and give you planning ranges so you can decide what to fix, credit, price in, or disclose.
Book a condition walkOr call or text (812) 525-5489, or email [email protected].
The condition walk is a REALTOR® and contractor evaluation, not a home inspection, and it does not replace one. If you have already signed a listing agreement with another agent, please take these questions to your agent.
Looking at a house and not sure what you are getting into?
Ask for a free Before You Offer review. Send me the listing. I look over the photos, the seller's disclosure, and recent sales, then flag likely condition issues and planning cost ranges before you write an offer.
Request a Before You Offer reviewOr call or text (812) 525-5489, or email [email protected].
The Before You Offer review is a REALTOR® and contractor review of the listing, not a home inspection. It is for buyers who are not already working with an agent. If you have an agent, please bring these questions to your agent.
Written by John Long, REALTOR®, 1 Percent Lists Indiana Real Estate. Working contractor who has priced hundreds of home inspection repair requests. Former labor relations negotiator for a major manufacturer and U.S. Coast Guard veteran.
John Long, REALTOR® · 1 Percent Lists Indiana Real Estate · (812) 525-5489 · yourpropertynegotiator.com
This page is general information, not a substitute for a professional home inspection, and not legal, tax, insurance, or lending advice. Ask a real estate attorney about contracts and disclosure, a CPA about taxes, your lender about loan rules, and a licensed inspector or tradesperson about your house. Nothing here guarantees a sale price, net proceeds, repair cost, payment, timeline, appraisal, inspection result, or loan approval. Cost figures are planning estimates, not bids. I own Wardmark Property Operations LLC, a contracting company. You are always free to use any contractor you choose.