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Trusted Self Storage Solutions in Fort Mill, SC
521 Storage is a locally owned and operated self-storage facility offering secure, climate-controlled solutions for residential and commercial needs. With 24-hour access and a range of unit sizes, we specialize in accommodating vehicles like RVs, boats, and automotive equipment. Our well-lit, fenced, and gated property features video surveillance, lock sales, and moving supplies to ensure customer convenience.

Since 2025, we have prioritized cleanliness, security, and personalized service, earning trust through testimonials highlighting our professional management and continuous facility improvements. Our team provides temporary solutions during capacity constraints and maintains open communication with tenants regarding deliveries and updates.
Services
Self-storage units RV storage Boat storage Climate-controlled units Drive-up units Moving supplies Vehicle storage Outdoor storage Short-term leases Long-term leases
Details
  • Year established: 2025
Highlights and features
  • We offer 24-hour access to storage units year-round.
  • Our facility provides climate-controlled units for sensitive items.
  • Specialized storage for RVs, boats, and automotive equipment.
  • Video surveillance and secure fencing enhance customer safety.
  • Flexible leasing options with a one-month free annual plan.
What people say
Clean and secure Best in town Professional and helpful Continuous improvements Reliable communication
Services
Self-storage units
Our self-storage units come in various sizes to meet short- or long-term needs. Climate-controlled options protect sensitive items from temperature extremes. Units are accessible 24/7 with secure fencing and video surveillance.
RV storage
Secure outdoor and indoor spaces for RVs with easy access and protection from weather. Designed for long-term parking with proximity to major highways. Regular facility maintenance ensures safety and cleanliness.
Boat storage
Dedicated storage areas for boats and watercraft with reinforced flooring and security features. Available in covered and uncovered options. Located near waterways for convenient access.
Climate-controlled units
Temperature-regulated units protect valuables like documents, electronics, and antiques. Maintained between 55-85F year-round. Ideal for items sensitive to humidity or extreme weather conditions.
Drive-up units
Ground-level units allow direct vehicle access for easy loading/unloading. Designed for frequent access with wide driveways and ample maneuvering space. Available in multiple sizes.
Questions
What storage unit sizes are available?
We offer units ranging from small 5x5 spaces to large 20x40 units for residential and commercial needs.
Do you provide climate-controlled storage?
Yes, we have climate-controlled units maintained between 55-85°F for temperature-sensitive items.
Can I store an RV or boat?
Yes, we offer specialized outdoor and covered storage spaces for RVs, boats, and other vehicles.
What security features are available?
Our facility includes 24/7 video surveillance, gated access, fencing, and individually locked units.
Are there lease term options?
We provide monthly or annual leases, with a one-month free discount for annual payments.
How do I access my unit after hours?
All units are accessible 24 hours daily with personal security codes for tenant convenience.