Store your belongings at Extra Space Storage on 3175 Washington St in Boston, MA today! Our large selection of storage units, climate controlled units, exceptional security, on site manager available, loading dock and helpful staff make finding the right self storage unit for you easy and hassle-free. Experience the professionalism, cleanliness, and commitment to exceptional customer service that Extra Space Storage is known for. Contact us today to reserve your storage unit or set up a time to stop by and take a tour of our facility!