Extra Space Storage in Mountlake Terrace, WA offers a convenient and secure storage solution with a wide selection of units, including drive-up and non-climate-controlled options. The facility features all-hours access, electronic gate entry, covered loading bays, elevator access, and parking spaces, making it easy to load and unload belongings. Customers often praise the staff for their kindness, professionalism, and helpfulness, noting that the facility is clean, tidy, and well-maintained. Many reviews highlight the smooth process of renting and closing a unit, with good deals and reasonable prices. The storage units are described as clean, secure, and easy to access, with exceptional customer service contributing to a positive experience. Some users mention minor issues, such as billing concerns when downsizing, but overall, visitors highly recommend Extra Space Storage for its professionalism, cleanliness, security, and friendly staff.