Based in Wilmington, Delaware Sentinel Self Storage is a family-owned and managed real estate company with a 25 year history of providing household and business storage solutions. Sentinel Self Storage is a regional owner, developer, acquirer and operator of 15 professionally managed self-storage properties in DE, MD, NJ and PA.
Sentinel Self Storage is part of the Eastern States Group network of businesses. Owned by the same family since 1950, we specialize in the real estate and construction industry. Sister companies include Benchmark Builders, Eastern States Construction Services, Eastern States Development and Eastern States Leasing.
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