Business Details
50+ Years
experience
Secure Storage Units in DE, NJ, PA & MD | Sentinel Self Storage
At Sentinel Self Storage, we are proud to serve our customers with the same dedication and integrity that have defined our family-owned business since 1953. With 25 years of specialized experience in the self-storage industry, we combine generational expertise with modern solutions to meet residential and commercial storage needs. Our facilities feature climate-controlled units that maintain temperatures between 60-78 degrees, ensuring protection against humidity and extreme weather conditions. We prioritize security through state-of-the-art video surveillance, heavy-duty perimeter fencing, and gated access at all locations. Our drive-up storage units provide convenient access for vehicles, RVs, boats, and motorcycles, while our month-to-month rental agreements offer flexibility.As part of the Eastern States Group, we leverage decades of real estate and construction industry knowledge to deliver clean, secure, and conveniently located storage solutions. Our mission remains simple: treat every customer like family by providing exceptional service, transparent operations, and value-driven storage options. With 23 locations across Delaware, New Jersey, Pennsylvania, and Maryland, we continue to expand our commitment to simplifying storage needs for individuals and businesses alike.
Services
Climate-controlled Storage Units
RV/Boat Parking
Drive-up Storage Units
Commercial Storage
Residential Storage
Covered RV/Boat Parking
Outdoor RV/Boat Parking
Temperature-controlled Buildings
Online Rental Service
Gated Facilities
Details
- Year established: 1953
Highlights and features
- Family-owned since 1953 with 25 years of specialized storage experience.
- Climate-controlled units maintain optimal 60-78F temperature ranges for protection.
- 24/7 security with video surveillance, fencing, and gated facility access.
- Drive-up units available for easy vehicle, RV, and boat storage access.
- Commercial storage solutions for business records, equipment, and inventory.
Services
Climate-controlled Storage Units
Our temperature-regulated storage units maintain consistent 60-78F environments to protect sensitive items from humidity and extreme weather. Ideal for documents, electronics, and valuables requiring stable conditions. This service ensures year-round protection through advanced climate management systems.
RV/Boat Parking
Secure indoor storage and outdoor parking options for RVs, boats, motorcycles, and vehicles. Covered spaces protect against weather damage while 24/7 surveillance ensures safety. Available at select locations with easy drive-up access for loading/unloading.
Commercial Storage
Drive-up storage units designed for business needs including equipment storage, inventory management, and document retention. Units accommodate seasonal stock and operational supplies with flexible month-to-month agreements for commercial clients.
Residential Storage
Temporary and long-term storage solutions for household items during moves or transitions. Clean, well-lit facilities with 24/7 security provide peace of mind for furniture, appliances, and personal belongings in various unit sizes.
Online Rental Service
Rent storage units in 90 seconds through our streamlined online process. Select locations, compare unit sizes using our interactive guide, and complete agreements digitally for immediate move-in access without in-person visits.
Questions
How do I rent a storage unit?
Complete our 90-second online rental process by selecting your location, choosing a unit with our size guide, and moving in at your convenience.
What security measures are in place?
Our facilities feature 24/7 video surveillance, security lighting, perimeter fencing, and gated access for enhanced protection.
Do you offer climate-controlled storage?
Yes, our temperature-regulated units maintain 60-78°F to protect against humidity and extreme weather damage.
Can I store vehicles or RVs?
We provide indoor storage and covered/uncovered parking for RVs, boats, motorcycles, and vehicles at select locations.
Are there commercial storage options?
Yes, we offer drive-up units ideal for storing business equipment, records, seasonal inventory, and supplies.
What locations are available?
We operate 23 facilities across Delaware, New Jersey, Pennsylvania, and Maryland with convenient access points.
