Family-owned and Operated for 25 Years

Easily accessible storage units and outstanding customer service

Contactless rentals
Drive-up units

3 Generations of Experience in Storage and Real Estate

Sentinel Self Storage is a family-owned business with a twenty-five-year history of providing superior household and business storage units in multiple states on the East Coast. 

We are proud to be a part of the Eastern States Group network of businesses. Eastern States Group began as a construction company in 1953. 

Now managed by the third generation of the family that started the business, Eastern States Group has established itself as a leader in the home building, leasing, self storage, construction, and development industries in Delaware and the Mid-Atlantic. 

Sentinel Self Storage provides outdoor drive-up storage units, climate-controlled storage units, gated entry, moving and packing supplies, and much more. We offer various convenient self-storage facilities in Delaware, Maryland, New Jersey, and Pennsylvania.

Be sure to check out our Specials page for extra savings and information. We also have an Auctions page for consideration if you are interested in what you might find there.

Welcome to Sentinel Self Storage. We're glad you're here!

Our Companies

Eastern States Group Logo
Eastern States Logo
Eastern States Development logo
Benchmark Builders Logo
Eastern States Leasing logo
Town of Whitehall Logo

Residential and Commercial Storage Units at Competitive Rates

Sentinel Self Storage is proud to offer residential and commercial storage solutions. If you’re moving, downsizing, or experiencing any other of life's many transitions, let us make the moving process easier on you! 

Are you a local business owner in need of some extra space? We also offer commercial storage solutions at all of our many locations. Store your records, paperwork, equipment, or seasonal inventory with us! 

Our drive-up, exterior storage units make accessing your things very easy. In addition, our professional storage staff and long-term discounts can help. 

Instead of keeping everything in your trunk/truck, rent a business storage unit with Sentinel Self Storage.

See all our locations

Our Locations