22 Key Areas in Your Home That Often Fail Inspections

ByWill Think
A person in a work uniform holds a clipboard and pen, smiling, with plumbing pipes and a control panel in the background.
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Home inspections are very important. They help keep your property safe, save you money, and protect its value.

A recent study shows that 86% of homebuyers find issues that need repairs through these inspections. Understanding what inspectors check can help you avoid expensive surprises and keep your home in good condition.

This knowledge lets you catch problems early, saving you time, money, and stress. Regular maintenance based on inspection tips can stop small issues from becoming big ones.

In this article, we’ll cover 23 areas of your house that often cause trouble during inspections. We’ll discuss common problems, why they matter, and what you can do to address them. 

Share in the comments any of your experiences with inspections.

Foundation Cracks and Settling

Close-up of a large crack in a white concrete wall corner, showing significant structural damage.
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Your home’s foundation holds up everything above it, so its condition is very important. Look for clear cracks, sinking, or water coming in. Small, thin cracks can be normal, but bigger or spreading cracks should be checked by a professional.

Make sure water flows away from your house to stop it from pooling near the foundation. Fix any problems right away to prevent bigger structural issues later.

Plumbing Leaks and Issues

A white PVC pipe with a U-bend is leaking water at a joint.
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Plumbing problems can lead to water damage, mold growth, and high water bills. Common issues include leaking pipes, low water pressure, and outdated materials. 

Regular inspections help catch small leaks before they become big problems. Fix drips promptly and consider upgrading old pipes to prevent future issues. In my decade as a real estate investor, I’ve seen my share of plumbing nightmares. Electrical Hazards

Close-up of exposed electrical wires with blue tape, showing signs of burn marks and a damaged insulator in the background. The wiring appears unsafe and in need of repair.
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Faulty electrical systems pose significant safety risks, including fire hazards. Common problems include outdated wiring, overloaded circuits, and non-grounded outlets. 

If you notice flickering lights, frequent circuit breaker trips, or warm outlets, it’s time to call an electrician. Regular inspections and upgrades as needed keep your electrical system safe and efficient, protecting your home and family.

Gutter and Downspout Blockages

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Clogged or improperly installed gutters can cause water damage to your home’s foundation and exterior. Look out for clogs, improper slopes, and loose attachments. Clean your gutters regularly, especially after fall when leaves accumulate. 

Ensure they’re properly attached and angled to direct water away from your house. This simple maintenance can prevent costly water damage and preserve your home’s structural integrity.

Roof Damage

A damaged shingle roof with a large hole revealing the underlying structure. Debris and broken shingles are scattered around the damaged area.
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A damaged roof can cause water leaks, weaken the structure, and make your home less energy-efficient. Watch for broken or missing shingles, water stains, and old materials. Check your roof often, especially after storms.

Fix broken shingles quickly and think about replacing the whole roof if it’s getting old. Taking care of your roof helps keep your home safe.

HVAC System Failures

How Often Should I Replace My HVAC Filter

An inefficient heating, ventilation, and air conditioning (HVAC) system affects comfort and increases energy costs. Dirty filters, outdated systems, and improper installation are common culprits. 

Schedule regular maintenance and replace filters every few months. A well-maintained HVAC system runs more efficiently, lasts longer, and keeps your home comfortable year-round.

Insulation Deficiencies

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Inadequate insulation results in energy loss and increased utility bills. Check for insufficient or damaged insulation, especially in the attic and walls. 

Good insulation keeps your home warm in winter and cool in summer. Adding insulation to key areas can significantly improve your home’s energy efficiency and reduce your heating and cooling costs.

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Attic Ventilation and Moisture Issues

Exposed wooden beams and black roofing material are visible in the ceiling of an unfinished attic space.
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Proper attic ventilation prevents moisture buildup and mold growth. Check for signs of water damage, inadequate insulation, and poor airflow. Ensure your attic has sufficient intake and exhaust vents. 

Good ventilation helps regulate temperature, reduce energy costs, and extend the life of your roof. Address any moisture issues immediately to prevent mold growth and structural damage.

Window and Door Problems

A blue door with a shattered glass window is set in a brick wall, surrounded by green bushes and plants.
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Windows and doors affect how much energy your home uses and how safe it is. Look for gaps, cracks, and signs of poor fitting. Check for air coming in around the edges and make sure all locks are working well.

Fixing these problems makes your home more comfortable, lowers energy costs, and keeps it safer. If your windows and doors are old or not in good shape, think about replacing them with energy-saving ones.

Flooring Problems

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Flooring issues can signal water damage, wear and tear, or structural problems. Look for warping, cracking, and uneven surfaces in all types of flooring. Pay special attention to areas around toilets, sinks, and exterior doors where water damage is common. 

Squeaky floors might indicate loose subfloor or joists. Address any issues promptly to prevent further damage and ensure safe walking surfaces. Regular cleaning and maintenance can extend the life of your floors and help you spot problems early.

Chimney and Fireplace Deficiencies

A stone fireplace with a metal grill contains a bright, crackling fire burning wood logs.
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A poorly maintained chimney or fireplace poses fire hazards and carbon monoxide risks. Common issues include creosote buildup, cracks, and improper ventilation. Schedule yearly cleaning and inspections from a certified chimney sweep. 

They’ll check for blockages, damage to the flue lining, and ensure proper ventilation. Don’t use your fireplace if you suspect any problems. Proper maintenance keeps your cozy fires safe and enjoyable.

Basement and Crawl Space Moisture

The image shows the bottom corner of a white door in a concrete wall, with visible moisture and mold buildup on the floor and wall next to the door.
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Wet basements and crawl spaces can cause mold and damage to your home. Check for water leaks, bad smells, and mold. Make sure water drains away from your home’s base.

Use dehumidifiers to keep moisture low. Repair leaks or water entry points right away. Keeping these areas dry helps your home stay strong and keeps the air inside clean.

Appliance Malfunctions

Kitchen with white cabinets and appliances. A puddle of water is visible on the glossy floor tiles.
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Built-in appliances should work properly and be correctly installed. Check for leaks, unusual noises, or inefficient operation in your dishwasher, oven, and other built-ins. Ensure all appliances are properly vented and have correct electrical connections. 

Perform regular maintenance like cleaning filters and checking hoses. Properly functioning appliances improve your home’s efficiency and safety.

Sewer Line Issues

A partially buried pipe in a trench next to a stone wall, surrounded by dirt and debris.
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Problems with sewer lines can cause backups, unpleasant odors, and health risks. Watch for slow drains, gurgling toilets, or sewage odors. Tree roots can intrude into pipes, causing blockages and leaks. 

Consider a camera inspection of your sewer line, especially if your home is older. Prompt attention to sewer issues prevents costly and messy backups.

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Driveway and Walkway Damage

Cracked concrete driveway leading to a road with two yellow lines. Grass is visible on both sides of the driveway.
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Cracked or uneven surfaces can be hazardous and impact your home’s curb appeal. Inspect for cracks, shifts, and drainage problems in these areas. Fill small cracks promptly to prevent water intrusion and further damage. 

Ensure proper slope for water drainage away from your house. Safe, well-maintained walkways and driveways enhance your property’s safety and appearance.

Deck and Porch Integrity

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Outdoor structures need to be safe and secure for regular use. Inspect for rotting wood, loose railings, and unstable foundations. Ensure proper attachment to the house and adequate support. Check for protruding nails, splintering wood, and wobbly stairs. 

Regular maintenance like cleaning and sealing can prolong the life of your deck or porch. Safe outdoor spaces enhance your home’s value and your family’s enjoyment.

Smoke and Carbon Monoxide Detector Compliance

A smoke detector mounted on a ceiling with smoke surrounding it.

These detectors are essential for safety and often require local codes. Test all detectors monthly and replace batteries twice a year. Ensure you have detectors on every level of your home and outside sleeping areas. 

Replace units every 10 years or as recommended by the manufacturer. Properly functioning detectors can save lives in case of fire or carbon monoxide leaks.

Staircase and Railing Safety

A wooden staircase with black metal balusters, with a beige wall background, runs diagonally across the image with steps turning in two directions.
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Stairs and railings must meet safety standards to prevent accidents. Check for loose railings, uneven steps, and missing handrails. Ensure proper lighting on all staircases. 

Fix any wobbly balusters or loose treads immediately. Proper maintenance of these areas is crucial for your family’s safety and may be required by local building codes.

Exterior Wall and Siding Issues

A grey metal siding exterior shows multiple areas of damage, such as dents and holes. A small vent is visible near the top.
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Your home’s exterior protects its weather and contributes to its structural integrity. Look for cracks, rot, and missing or damaged siding. Check for peeling paint, which can lead to wood rot. Ensure proper caulking around windows and doors. 

Regular cleaning and maintenance of your siding can prevent water intrusion and extend its lifespan. Well-maintained exterior walls improve your home’s appearance and energy efficiency.

Garage Safety Concerns

A white garage door is partially open and appears crooked, suggesting it is off track or damaged. The exterior wall is made of brick.
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Garages can have electrical parts and structures that may cause problems. Make sure the wiring and airflow are correct, especially for attached garages. Regularly test the safety features of your garage door opener.

Look for signs of water or pests. A secure and well-kept garage keeps your vehicles safe and adds useful space to your home.

Radon Levels

A hand holds a phone displaying a radon alert message in front of a cracked brick wall.
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Radon is a colorless, odorless gas that can seep into homes from the ground and poses serious health risks. Conduct a radon test, especially in basements or lower levels. If levels are high, install a radon mitigation system. 

Retest periodically to ensure levels remain low. Addressing radon concerns protects your family’s long-term health and is often a concern for potential buyers.

Pest Infestation Signs

A group of ants walking in a line across a dusty, reddish-brown surface scattered with small white debris.

Pests can cause significant damage and health risks if not addressed promptly. Look for droppings, chewed wood or wires, and unusual noises in walls. Check for termite mud tubes along foundations and wood structures. 

Keep food in sealed containers and fix any moisture problems that attract pests.

Environmental Hazards (Lead Paint, Asbestos)

Close-up of a beige wall with extensive peeling and cracked paint, exposing the underlying surface.
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Older homes may contain hazardous materials like lead paint and asbestos. These pose significant health risks, especially during renovations. If your home was built before 1978, assume it contains lead paint unless tests prove otherwise. 

Asbestos may be present in old insulation, flooring, or siding. Hire certified professionals for testing and any necessary removal or encapsulation. Proper handling of these materials is crucial for your family’s safety.

Keep Your Home Inspection-Ready

A person smiles while giving two thumbs up, wearing blue rubber cleaning gloves and a white headscarf in a well-lit room.

Staying on top of these 23 areas helps keep your home safe, efficient, and valuable. Regular maintenance and prompt attention to issues can prevent small problems growing into costly repairs. 

With this knowledge, you’re well-equipped to keep your home in top shape. Stay proactive, address problems promptly, and don’t shy away calling in the experts when needed. 

Remember, a well-maintained home not only passes inspections with flying colors but also provides a comfortable and secure environment for you and your family. 

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AI was used for light editing, formatting, and readability. But a human (me!) wrote and edited this.

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