Absolutely—and lots of it. Overflowing water from your gutters can damage your siding and your roof. All of the moisture getting into the cracks and crevices of your home can lead to mold or mildew problems down the line. In addition, when water pools around your home, it needs a place to go—and sometimes it ends up inside the house, creating a very unwanted flood.

Pressure washing isn’t the only way to clean your gutters. Use a hose and a long-handled brush if you aren’t afraid of a little elbow grease. Alternatively, set up a stable ladder and scrub by hand with a brush. It’s also possible to purchase gutter wand extensions for hoses or a gutter vacuum if you don’t mind the investment. These help clean thoroughly without you having to scale a ladder.

Failing to clean your gutters can lead to serious and costly damage. When leaves and other debris cause blockages, water cannot drain properly and will overflow. This can lead to water pooling around your home’s foundation, causing basement flooding and structural damage. The overflow can also damage your roof, siding, and fascia boards, with the constant moisture promoting mold, mildew, and rot. The weight of wet debris can cause gutters to sag or break, while stagnant water creates a breeding ground for pests like mosquitoes and rodents. Additionally, runoff can damage landscaping or freeze on driveways and patios, causing cracks. To prevent these issues, it is recommended to clean your gutters at least once or twice a year.

The best times of year to clean your gutters are typically in the spring and fall. Cleaning in the fall is crucial for removing leaves and debris that have accumulated, which helps prevent clogs. A spring cleaning ensures your gutters are clear and prepared for seasonal rainfall.

As a general guideline, experts recommend cleaning your gutters at least twice a year. However, the optimal frequency depends on several factors, such as local weather patterns, the type of gutters you have, and the number of trees on your property. If your home is surrounded by many large trees or pine trees, you may need to clean your gutters as often as every three to four months. If you have few or no trees nearby, twice a year is likely sufficient. In some cases, you may need to clean them a couple of times during the fall and spring to keep them clear and allow water to flow freely.