{"id":99236,"date":"2025-03-18T11:58:22","date_gmt":"2025-03-18T18:58:22","guid":{"rendered":"https:\/\/www.redfin.com\/blog\/?p=99236"},"modified":"2025-03-18T11:58:22","modified_gmt":"2025-03-18T18:58:22","slug":"red-flags-when-buying-a-house","status":"publish","type":"post","link":"https:\/\/www.redfin.com\/blog\/red-flags-when-buying-a-house\/","title":{"rendered":"10 Red Flags When Buying a House: What Your Real Estate Agent Wants You to Know"},"content":{"rendered":"

Buying a home is a significant investment, so it\u2019s important to know <\/span>what to look for during a home tour<\/span><\/a>. Some issues are easily fixable, but others may cause more serious problems over time. As you\u2019re looking for the right home, there are some red flags to be aware of.<\/span><\/p>\n

In this article, we\u2019ll highlight 10 red flags when buying a house and what Seattle-based <\/span>Redfin Agent David Palmer<\/span><\/a> advises. Whether you\u2019re touring <\/span>homes for sale in Seattle, WA<\/span><\/a>, or looking at <\/span>condos in San Diego, CA<\/span><\/a>, learn what red flags to look for before making an offer.\u00a0<\/span><\/p>\n

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1. Foundation issues<\/span><\/h2>\n

One of the most critical aspects of any home is its foundation. “The main thing is going to be the foundation,” says Redfin Agent David Palmer. “I\u2019m looking for horizontal foundation cracks [in the basement] first. If I see those, it\u2019s an immediate stop\u2014you\u2019re going to need at least a foundation expert to take a look at that.”<\/span><\/p>\n

On the other hand, vertical cracks aren\u2019t necessarily as concerning. However, if the cracks are large enough to fit a coin or similar-sized object, then make note of it. Palmer continues, “I\u2019m not as worried unless it\u2019s large enough that I could stick a coin into it. Then you really need to get a foundation expert out there as well.”<\/span><\/p>\n

Foundation repairs can be extremely expensive, so identifying issues early can save you from unexpected costs in the future. If you\u2019re concerned about any <\/span>foundation issues<\/span><\/a>, ask your real estate agent for their opinion or schedule a foundation inspection.<\/span><\/p>\n

2. Water damage and mold<\/span><\/h2>\n

Water stains on ceilings, walls, or floors can be a sign of leaks or poor drainage. Untreated water damage can lead to additional problems such as sagging ceilings or mold. Mold, especially in basements or bathrooms, is another indicator of moisture issues that could lead to long-term structural damage and health concerns.<\/span><\/p>\n

Always check for musty odors or visible mold spots, as they can signal a costly repair in the future. Easy places to check include the bathroom, like in the shower or sink.\u00a0<\/span><\/p>\n

3. Signs of rodent infestation<\/span><\/h2>\n

Pests\u00a0<\/span>\u2014 including rodents\u00a0<\/span>\u2014 <\/span>are another important red flag when buying a house. You\u2019ll want to inspect the crawl space for any signs of a rodent infestation. “Walking around the perimeter, I am going to be looking at the vents into the crawl space and checking for any holes chewed into it,” Palmer notes.<\/span><\/p>\n

Small holes in the <\/span>crawl space<\/span><\/a> may indicate a current or past rodent problem. “A mouse only needs a hole about the size of a dime, and now you have a rodent problem,” he warns. It\u2019s imperative that you address these issues before purchasing a home. Fixing a rodent problem now can prevent bigger infestations down the road.<\/span><\/p>\n

4. Outdated electrical systems<\/span><\/h2>\n

An outdated electrical panel or exposed wiring can be a serious fire hazard. If the home still has knob-and-tube or aluminum wiring, upgrading the system can be expensive. Make sure the electrical panel meets modern safety standards, and check for flickering lights, frequently tripped breakers, or exposed wires.<\/span><\/p>\n