It may sound strange to non-locals but most Southern California natives are used to heavy rains and flooded streets. Not because it rains a lot in Southern California but because when it does rain, it pours and Southern California in general and many older homes specifically are not equipped with proper drainage systems.
Out-of-towners looking for a second home in Southern California may overlook proper drainage and ignore these issues brought to the surface through a home inspection but it is important to pay special attention to proper drainage because uncontrolled water can wreak havoc on a home. Rain gutters and downspouts should be installed properly and cleaned periodically to avoid clogging and once the water drains to the ground make sure there is no pooling. If there is, the property may have improper grading and that can lead to water and mold damage down the road.
If you are looking for a vacation home in Southern California make sure to ask about proper drainage because if you don’t, you may be in for a big surprise when the rain falls.