How to Spot Red Flags During a Home Tour
If you’re touring homes, it’s easy to get distracted by the kitchen, the backyard, the big windows, or the fact that you can already picture your furniture in the living room.
That’s normal.
But a home tour isn’t just about deciding whether you like the house. It’s also your chance to look for problems that could cost you money, create headaches, or affect how comfortable you’ll be living there.
Some red flags are obvious. Others are easy to miss when you’re excited about finding a home.
Here’s what I recommend paying attention to during every home tour.
What Should You Look for During a Home Tour?
Start by looking beyond the cosmetic details.
Fresh paint, new flooring, updated countertops, and attractive furniture can make a home feel great. But those things don’t tell you much about the condition of the property underneath.
During a tour, pay attention to:
Water or moisture
Cracks and signs of movement
The roof and ceilings
Windows and doors
Plumbing
Electrical systems
Heating and cooling
The basement or crawl space
Drainage around the property
Signs of poor maintenance
Unusual smells or sounds
Recent repairs that may need closer attention
You don’t need to be an expert home inspector. You just need to slow down and notice what’s around you.
1. Look Closely for Signs of Water
Water is one of the first things I’d look for in a home.
Check ceilings, walls, floors, windows, bathrooms, kitchens, basements, and areas around exterior doors.
Watch for:
Brown or yellow ceiling stains
Bubbling or peeling paint
Discolored drywall
Warped flooring
Musty smells
Mold-like growth
Damp areas in the basement
Water stains around windows
Fresh paint covering one small section of a ceiling or wall
A single stain doesn’t automatically mean there’s a major problem. It could be an old issue that was repaired.
The point is to notice it and ask questions.
If you see something that concerns you, ask the seller or listing agent what happened, whether it was repaired, and whether there is documentation of the work.
2. Pay Attention to Cracks
Not every crack means a house has a structural problem.
Small cracks in drywall can happen as a home settles. But larger cracks deserve a closer look.
Pay attention to:
Large horizontal cracks
Stair-step cracks in masonry
Cracks that appear around doors or windows
Cracks that seem to be widening
Doors or windows that don’t open and close properly
Uneven floors
You don’t need to diagnose the issue during the showing.
That’s not your job.
Your job is to notice something unusual and make sure it gets investigated if necessary.
3. Check the Basement Carefully
If the home has a basement, don’t rush through it.
Basements can tell you a lot about how a house has been maintained.
Look for:
Water stains
Dampness
Musty odors
Cracks
Efflorescence, which can look like white powder on masonry
Signs of previous water intrusion
Sump pumps
Dehumidifiers
Exposed pipes or wiring
Areas that look recently repaired
Look at the walls and floors, but also look at the ceiling above you.
You may see evidence of plumbing leaks or other repairs that aren’t obvious upstairs.
If the basement has a finished living area, look carefully at the finished walls and flooring. Sometimes finished spaces can make it harder to see what’s underneath.
4. Open and Close the Doors and Windows
You don’t have to test every single window for ten minutes.
But try several.
Do they open smoothly?
Do they close completely?
Do doors stick?
Are there noticeable gaps around exterior doors?
Windows and doors can tell you more than you might expect.
Problems may be simple maintenance issues. They can also point to age, moisture, settling, or other concerns that deserve further inspection.
And there’s another reason to pay attention.
Windows are expensive to replace. If you notice several that are damaged, fogged, difficult to operate, or visibly deteriorated, make a note of them when you're comparing homes.
5. Listen While You Walk Through the House
Home tours are visual, but don’t forget to listen.
Turn off the conversation for a moment and notice what you hear.
Do you hear:
Loud traffic?
Neighbors?
HVAC equipment?
Plumbing noises?
A sump pump running frequently?
Unusual buzzing or humming?
Dogs or other neighborhood noise?
A house can look perfect during a five-minute showing and feel very different when you’re living there every day.
If possible, visit the property at different times of day. A quiet Saturday afternoon may not tell you what the street sounds like during a weekday commute.
6. Notice Unusual Smells
Your nose can pick up things your eyes miss.
Pay attention to smells that seem unusual or persistent.
Musty odors may deserve investigation, especially in basements or lower levels.
Strong air fresheners can also make you wonder whether the homeowner is trying to cover something.
That doesn’t mean an air freshener equals a problem. It simply means you should pay attention.
If something smells off, ask about it.
7. Look Under Sinks
This takes about thirty seconds and can be very useful.
Open the cabinet under the kitchen sink and bathroom sinks.
Look for:
Water stains
Dampness
Rust
Corrosion
Drips
Mold-like growth
Recently replaced plumbing
Signs the cabinet bottom has swollen from previous water exposure
You’re not performing a plumbing inspection.
You’re looking for clues.
8. Check Around Toilets and Bathrooms
Bathrooms get a lot of use, so they’re worth a closer look.
Look around the base of toilets and tubs.
Notice whether flooring feels soft or damaged.
Check for:
Loose toilets
Cracked tile
Damaged grout
Water stains
Soft flooring
Poor ventilation
Signs of moisture
Turn on a faucet and see how the water pressure feels.
Flush a toilet if appropriate.
Again, you’re not trying to replace a professional inspection. You’re gathering information.
9. Look at the Ceiling
When buyers walk through a home, they tend to look straight ahead.
Look up.
Ceilings can reveal:
Water stains
Repairs
Cracks
Sagging
Peeling paint
Signs of previous leaks
Pay particular attention near bathrooms, kitchens, fireplaces, and areas where plumbing or mechanical systems are located.
A freshly painted ceiling isn’t automatically suspicious. But if one area looks noticeably different from the rest, it’s reasonable to ask why.
10. Check the Heating and Cooling Systems
Ask about the age and condition of the furnace, air conditioner, boiler, or other major mechanical systems.
If you’re touring during a season when the system is running, pay attention to how the house feels.
Are some rooms dramatically warmer or colder than others?
Does the system sound unusually loud?
Ask when the equipment was installed and whether it has been serviced recently.
You may also want to find out whether there are records for maintenance or replacement.
Major systems eventually need repair or replacement. Knowing their approximate age can help you plan financially.
11. Look Outside, Too
Don’t spend the entire showing inside.
Walk around the exterior if you can.
Look at:
Grading around the house
Downspouts
Gutters
Foundation
Exterior siding
Roof condition
Driveway
Decks and porches
Retaining walls
Trees close to the home
Pay attention to where rainwater appears to go.
You want water moving away from the house rather than collecting against the foundation.
Large mature trees can be beautiful, but their location and condition are worth noting.
Again, you aren't diagnosing problems. You’re identifying things you may want a professional to evaluate.
12. Don’t Ignore Deferred Maintenance
Sometimes the red flag isn’t one major problem.
It’s a long list of small ones.
Maybe you notice:
Peeling exterior paint
Damaged trim
Loose gutters
Broken fixtures
Worn flooring
Cracked tile
Overgrown landscaping
Doors that need adjustment
Several small plumbing issues
None of these automatically means you should walk away.
But together, they may tell you something about how the property has been maintained.
That can become important when you compare the asking price with the home's overall condition.
A Real-World Example
Imagine you walk into a house and immediately love the kitchen.
The cabinets are beautiful. The countertops look new. The house has been freshly painted.
Then you notice a small ceiling stain in the room next to the bathroom.
It would be easy to ignore it because everything else looks so good.
Instead, make a note of it.
Ask whether there was a previous leak. Find out whether it was repaired and whether there are records of the repair.
If you eventually make an offer, that information can help you and your inspection professional know what deserves closer attention.
That’s the mindset I want buyers to have during a home tour.
You’re not looking for reasons to hate the house.
You’re looking for enough information to make a smart decision.
Common Home Tour Mistakes Buyers Make
Falling in love before looking at the condition
It’s easy to mentally move into a house before you’ve finished the first walkthrough.
Try to separate the emotional reaction from the evaluation.
You can love the house and still ask hard questions.
Only looking at cosmetic features
Paint and countertops are easy to notice.
Water intrusion, drainage, electrical concerns, and mechanical systems aren’t.
Look past the pretty stuff.
Assuming everything will be caught later
A professional home inspection is an important part of the buying process, but your showing still matters.
The more questions you identify early, the better prepared you’ll be when you get to the inspection stage.
Ignoring the neighborhood
The house is only part of the purchase.
Pay attention to traffic, surrounding homes, noise, parking, nearby businesses, commute routes, and anything else that matters to your daily life.
Before getting too attached to a property, it can help to spend some time looking at whether the neighborhood fits your lifestyle and everyday needs.
Being afraid to ask questions
If something looks strange, ask.
There’s no prize for pretending you didn’t notice.
What Should You Do If You Find a Red Flag?
Don’t panic.
Finding a potential red flag during a showing doesn't automatically mean you should walk away from the house.
Instead:
Take a mental or written note.
Ask the listing agent or seller what they know.
Find out whether the issue has been repaired.
Ask whether there are records, receipts, permits, or warranties when appropriate.
Discuss the concern with your real estate agent.
If you move forward, have the appropriate professional inspect the issue.
The goal is to understand the problem before you make a decision.
Sometimes a red flag turns out to be a minor repair.
Sometimes it reveals something much more significant.
You want to know which one you're dealing with.
Should You Skip a Home Because of a Red Flag?
Not necessarily.
Every house has something.
An older home may have older mechanical systems. A newer home can still have construction or maintenance issues. A property with a great location may need more work than a home farther away.
The question isn't whether a home is perfect.
It’s whether you understand its condition and feel comfortable with the costs, risks, and work involved.
If the property needs significant work, it’s worth understanding what taking on a home that needs repairs or updates could mean for your budget and expectations before deciding whether to move forward.
That’s where having the right professionals around you can make a big difference.
FAQ: Spotting Red Flags During a Home Tour
What are the biggest red flags to look for during a home tour?
Water damage, significant cracks, drainage problems, unusual odors, damaged windows or doors, basement moisture, and signs of deferred maintenance are all worth paying attention to.
Should I be worried about cracks in a house?
Not every crack is serious. Small drywall cracks can be normal, but larger or unusual cracks should be documented and evaluated when appropriate.
What should I look for in a basement?
Look for moisture, water stains, musty odors, cracks, signs of previous flooding, sump pumps, and areas that appear recently repaired.
Can I check things during a home showing?
You can observe the condition of the property and ask reasonable questions. A home inspection is different. A qualified inspector can evaluate systems and conditions that aren't apparent during a normal showing.
Should I walk away if I find a red flag?
Not automatically. A red flag is a reason to ask questions and investigate. Whether it becomes a dealbreaker depends on what the issue is, how serious it is, and what you're comfortable taking on.
The Bottom Line
A good home tour isn't just about deciding whether you love a house.
It’s about slowing down long enough to notice what the house is telling you.
Look at the ceilings. Check under the sinks. Pay attention to smells and sounds. Look at the basement. Walk around outside. Ask questions when something doesn't look right.
You don't have to know how to diagnose every problem.
You just need to know when something deserves a closer look.
If you're looking at homes in the Ann Arbor area and want help knowing what to pay attention to during a showing, a local Realtor® can help you ask the right questions and understand what needs further investigation.
Nancy Arnold, Realtor®
The Charles Reinhart Company
2275 W. Stadium
Ann Arbor, MI 48103
[email protected]
734-260-3505
