Top 10 Home Inspection Red Flags Every Homebuyer Should Know

Buying a home is a significant investment, and it's crucial to be aware of potential issues that could impact the value and safety of your new property. A home inspection is an essential step in the homebuying process, as it can uncover hidden problems that might require expensive repairs or even make the property unsafe. In this blog post, we'll discuss the top 10 home inspection red flags that every homebuyer should be aware of before making a purchase.

1. Foundation Problems

Issues with a home's foundation can lead to major structural problems down the line. Look for signs like visible cracks in the walls or floors, doors and windows that stick or don't close properly, and uneven or sloping floors. While some cracks can be normal, significant gaps or horizontal cracks may indicate more severe issues.


2. Roof Damage

A damaged or aging roof can lead to water leaks, mold growth, and costly repairs. During the home inspection, the inspector will check for missing or damaged shingles, sagging areas, and signs of water damage. Replacing a roof can be expensive, so it's essential to know its condition before purchasing the home.


3. Outdated Electrical Systems

Older homes may have outdated electrical systems that aren't up to code and can pose a fire hazard. Look for outdated components like knob-and-tube wiring, aluminum wiring, or an insufficient electrical panel. Upgrading an electrical system can be a costly and time-consuming process, so it's crucial to be aware of these issues before buying.


4. Plumbing Issues

Plumbing problems can lead to water damage, mold growth, and expensive repairs. During the home inspection, be on the lookout for signs of water leaks, slow drains, low water pressure, and old or corroded pipes. Additionally, check the water heater's age and condition, as replacing it can be a significant expense.


5. Poor Ventilation and Insulation

Inadequate ventilation and insulation can lead to higher energy bills and potential moisture problems. Inspectors will check the attic for proper insulation and ventilation, as well as inspect windows and doors for drafts and sealing issues. Improving a home's insulation and ventilation can help save on energy costs and prevent moisture-related problems.


6. Termite or Pest Infestations

Pest infestations can cause severe structural damage to a home and be expensive to remediate. Look for signs of termite damage, such as wood that sounds hollow when tapped, mud tubes on the home's exterior, or visible termite wings. Additionally, check for signs of other pest infestations, like rodent droppings or insect nests.


7. Mold and Mildew

Mold and mildew can cause health problems and damage to a home's structure. Look for visible signs of mold growth, water stains, and musty odors. If mold is found, it's essential to determine the source of the moisture and address any underlying issues.


8. Asbestos and Lead Paint

Older homes may contain hazardous materials like asbestos or lead paint. Asbestos can be found in insulation, flooring, and other building materials, while lead paint was commonly used in homes built before 1978. Both materials can pose health risks if disturbed, so it's essential to be aware of their presence and the potential cost of remediation.


9. Inadequate Grading and Drainage

Poor grading and drainage can lead to water damage, foundation issues, and a wet basement. Inspectors will check for signs of standing water, soil erosion, and damage to the foundation from water infiltration. Addressing grading and drainage problems can help prevent costly damage to your home in the future.


10. Illegal Additions or Renovations

Sometimes, homeowners undertake additions or renovations without obtaining the necessary permits or adhering to local building codes. These illegal modifications can create safety hazards, affect the home's insurability, and even lead to fines or required removal of the unpermitted work. During the inspection, the inspector will verify that any additions or significant renovations have been properly permitted and completed to code. As a buyer, it's crucial to know the legal status of any modifications and be prepared to address any issues that may arise.


Being aware of these top 10 home inspection red flags can help you make a more informed decision when purchasing a property. It's essential to work with a qualified home inspector who can thoroughly examine the home and provide a detailed report on its condition. By identifying potential issues early on, you can negotiate with the seller to address repairs or adjust the purchase price accordingly, ensuring you're making a sound investment in your new home.

May 20, 2025
When it comes to hidden dangers in the home, radon gas often tops the list, especially for Ohio homeowners. You can’t see it, smell it, or taste it, but prolonged radon exposure can pose serious health risks. Unfortunately, Ohio is among the states with some of the highest average indoor radon levels in the U.S. That’s why understanding the risks and taking steps to test and mitigate radon is so important. What Is Radon? Radon is a naturally occurring radioactive gas that forms when uranium in soil, rock, and water breaks down. It seeps up through the ground and can enter homes through cracks in the foundation, sump pumps, floor drains, and even well water. Once inside, radon can accumulate, especially in lower levels like basements or crawl spaces, and become a health hazard. Why Is Radon a Problem in Ohio? According to the Ohio Department of Health, every Ohio county has recorded radon levels at or above the EPA’s action level of 4.0 picocuries per liter (pCi/L) . Ohio’s geological composition, which includes uranium-rich soils and bedrock, contributes to the elevated risk. This means that whether you live in Cleveland, Columbus, Cincinnati, or a rural area, your home could be affected by radon. Health Risks of Radon Exposure Radon is the second leading cause of lung cancer after smoking, according to the Environmental Protection Agency (EPA). Long-term exposure to high levels of radon increases your risk significantly, especially for smokers. Symptoms of radon-related health issues may not appear until years after exposure, making regular testing essential for early detection and prevention. How Radon Enters a Home Radon moves from the ground into your home through: Cracks in solid floors or walls Construction joints Gaps around pipes and cables Sump pump pits or floor drains Crawl spaces with exposed earth Once inside, it becomes trapped, especially in homes that are well-sealed or poorly ventilated. How to Test Your Home for Radon The only way to know your home’s radon level is to test for it. You have two main options: DIY Radon Test Kits Available at hardware stores or online. Follow the instructions carefully, place the test in the lowest livable level of your home (usually the basement), and send it to a lab for results. Best used for short-term preliminary testing (2 to 7 days). Professional Radon Testing More accurate and often required during real estate transactions. Certified radon measurement professionals use continuous radon monitors and can provide fast, detailed reports. Tip : Even if your neighbor’s home tested low, your home could still have high levels. Radon concentrations can vary dramatically from house to house, even on the same street. What If My Home Has High Radon Levels? If your radon test shows levels of 4.0 pCi/L or higher , the EPA recommends mitigation. Fortunately, radon mitigation is effective and typically involves: Installing a sub-slab depressurization system , which uses a fan and vent pipe to draw radon from beneath the home and release it safely outside. Sealing cracks and openings in the foundation to reduce radon entry points. Professional mitigation systems can reduce radon levels by up to 99%, making your home much safer for long-term occupancy. Radon and Real Estate Transactions in Ohio In Ohio, radon disclosure is not legally required , but testing is strongly encouraged during a real estate transaction. Buyers often request a radon test as part of their inspection process, and if elevated levels are found, they may negotiate for mitigation before closing. Sellers can also benefit by proactively testing and installing a mitigation system before listing their home, which increases buyer confidence and speeds up the sale. Conclusion Radon is a serious but manageable health risk, especially in Ohio, where elevated levels are common. Whether you’re a current homeowner or planning to buy a home, testing for radon is an affordable and straightforward step that can protect your family’s health and peace of mind. Key Takeaways: Radon is an invisible, odorless gas linked to lung cancer. Ohio has some of the highest radon levels in the country. Testing is the only way to know if your home has radon. Professional mitigation can effectively reduce high radon levels. Don’t guess, test. Schedule a radon test today or talk to your local home inspection professional about including radon testing in your next inspection. Your future self will thank you.
April 7, 2025
Whether you're a longtime Ohio homeowner or preparing to buy your first home, energy efficiency should be a top priority. Ohio’s climate—from humid summers to freezing winters—means your home works hard year-round to keep you comfortable. But if your home isn’t energy-efficient, that hard work comes at a high cost.  A professional home inspection doesn’t just uncover major structural or safety issues—it can also identify areas where your home is losing energy. Let’s explore how a home inspection can reveal opportunities to improve energy efficiency, reduce utility bills, and create a more comfortable, eco-friendly living environment. Why Energy Efficiency Matters in Ohio With Ohio’s fluctuating seasons, the demand on heating and cooling systems can be intense. The more efficiently your home performs, the lower your energy consumption, utility costs, and carbon footprint. For older homes especially, energy inefficiencies often go unnoticed until they lead to high bills or uncomfortable drafts. That's where a detailed inspection comes in. How Home Inspections Identify Energy Loss During a general home inspection—or an energy-specific audit—inspectors evaluate several key areas of the home that directly impact energy usage. Here’s what they typically look for: 1. Insulation Gaps Proper insulation is essential for keeping your home warm in the winter and cool in the summer. Inspectors check attics, basements, crawl spaces, and wall insulation (when accessible) to see if: Insulation is up to current standards There are gaps, compression, or water damage Insulation is missing in key areas like rim joists or attic hatches 2. Drafty Windows and Doors Inspectors often find energy loss around windows and doors due to aging seals, poor caulking, or single-pane glass. This is especially common in older Ohio homes. What they check: Air leaks and drafts near windows and door frames Broken or inefficient windows Worn-out weather stripping 3. HVAC System Performance Your heating and cooling systems play a major role in energy consumption. Home inspectors evaluate: System age and efficiency Ductwork condition and insulation Dirty filters or clogged coils Thermostat functionality 4. Attic Ventilation An often-overlooked aspect of energy efficiency, attic ventilation keeps air circulating to prevent heat buildup in summer and moisture accumulation in winter. What inspectors look for: Blocked or missing vents Signs of condensation or mold Inadequate air circulation 5. Appliances and Lighting While not the primary focus of most inspections, some inspectors will note outdated or inefficient appliances, especially those built before modern energy standards. Benefits of Addressing Energy Efficiency Issues Once a home inspection identifies energy inefficiencies, homeowners can take action. These fixes range from simple weekend projects to larger investments that pay off over time. ✅ Lower Utility Bills Upgrading insulation or sealing air leaks can drastically reduce heating and cooling costs—especially in the most extreme months. ✅ Improved Comfort Say goodbye to hot and cold spots, drafts, and stuffy rooms. An energy-efficient home maintains a more stable and comfortable indoor temperature. ✅ Increased Home Value Energy efficiency upgrades can increase resale value and appeal to eco-conscious buyers. Adding ENERGY STAR-rated appliances, updated windows, or smart thermostats are strong selling points. ✅ Eligibility for Rebates Ohio homeowners may qualify for utility company rebates or tax incentives for making energy-efficient improvements. These programs can offset the cost of upgrades recommended by your inspector. Bonus Tip: Consider a Home Energy Audit While a standard home inspection can highlight many energy-related issues, a professional energy audit takes it a step further. This specialized inspection uses tools like blower doors, infrared cameras, and pressure gauges to pinpoint energy loss with precision. Many Ohio utility providers offer home energy audits at low or no cost—making it a smart addition to your inspection strategy. Conclusion A home inspection is more than just a checklist before buying or selling—it’s an opportunity to uncover energy inefficiencies and make smart, cost-saving upgrades. In a state like Ohio, where weather extremes put homes to the test, improving energy performance lowers your bills and creates a more comfortable and sustainable living environment. Whether you're buying a new home or living in your forever one, ask your inspector what you can do to boost energy efficiency. A few small changes today can make a big difference tomorrow. Looking to schedule an inspection with energy efficiency in mind? Reach out to Lemonade Home Inspections to get started!