10/13/2026
What is that smell?! You walk through the house and notice it. A little musty. Maybe earthy. Maybe something you can't quite identify.
Pay attention because sometimes, a smell isn't just a smell. It's a clue. During an inspection, an unusual odor can lead to the discovery of something a buyer would never have known was happening beneath the house.
Inspector's Perspective: Odors in a home can have many causes, and not all of them indicate a major problem.
An inspector may investigate odors associated with:
-Sewer gas
-Previous sewage backups
-Plumbing leaks
-Standing water in a crawlspace
-Moisture and mold
-Wet or contaminated insulation
-Dead animals or pest activity
-Poorly vented plumbing
-HVAC or ductwork issues
-Moisture intrusion around the foundation
One particularly concerning scenario is discovering evidence of a previous or ongoing sewage backup in a crawlspace. What may have started as a plumbing problem can leave behind contaminated insulation, damaged wood, lingering odors, moisture, and conditions that contribute to mold growth.
The goal isn't simply to eliminate the smell. It's to figure out what's causing it.
Why This Matters: Odors can be one of the earliest clues that something isn't right.
A musty smell may point toward moisture.
A sewage odor may indicate a plumbing or sewer issue.
A persistent animal odor may suggest an attic or crawlspace infestation.
And a chemical or burning smell could potentially indicate a completely different type of concern.
A home inspector can identify visible conditions and recommend additional evaluation when appropriate. Depending on the finding, that might mean bringing in a plumber, sewer specialist, mold professional, pest professional, or another qualified contractor.
Buyer Advice: Investigate. Find the source. Get the right professional involved. Understand what needs to be repaired and what it will cost.
Then decide.
That's one of the most valuable parts of having experienced buyer representation: helping you slow down when something unexpected comes up, ask the right questions, and make decisions based on information rather than emotion.
Because sometimes that strange smell is nothing. And sometimes... it's the clue that helps you discover the problem before you own it.
Look closer. Ask questions. Know before you buy.