Wondering how long it takes to power wash a driveway? The answer depends on several factors, including size, dirt level, and equipment used. On average, it can take anywhere from 30 minutes for a small driveway to 3 hours or more for larger ones. This guide breaks down the factors affecting cleaning time, provides average time estimates, and offers tips for efficient driveway cleaning. Whether you’re planning a DIY project or considering professional services, learn how to get your driveway sparkling clean in the most time-effective way.