Welcome to modSTORAGE (ex-21st Century Storage) in Philadelphia, nestled between Fishtown and historic Kensington. We're soon upgrading to the NOKE by Janus system for unmatched security. Perfect for locals and businesses, our climate-controlled units cater to all storage needs.
Enjoy our amazingly low web rates, underscoring our commitment to affordable storage. We stand out with flexible payment options and a customer-first approach. Our loyalty program offers extra value for our long-term patrons.
Situated minutes from Fishtown and Kensington, discover why we're Philadelphia's top choice for storage. Secure, convenient, reliable - come experience the difference with us.
Visit near B St and E Allegheny Ave, by the Delaware River, for your clutter-free journey."
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Click to call +1 (877) 540-8170
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Pennsylvania
modSTORAGE (ex-21CSS) - 3503 B ST - Philadelphia
Philadelphia, PA 19134
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What Customers Say
The facility offers flexible access, though limited evening hours are noted. Some mention a limited number of carts available during busy times. Reviews mention the storage units are tidy and organized.
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Lock in your low rate. Easily cancel or change your reservation at any time.
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E-Rental
Rent online, skip the counter and go straight to your space.
We are experiencing high demand in this area. Book today to secure your storage unit.
Available storage units
Learn about storage unit sizes
Storage Units
5' x 5'
LOCKER
- Climate controlled
- Roll up door
- Interior
2 left at
$24.99
$14.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 5'
UNIT
- Roll up door
- Interior
2 left at
$34.99
$19.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 5'
UNIT
- Climate controlled
- Roll up door
- Interior
$24.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 5'
UNIT
- Climate controlled
- Roll up door
- Interior
$28.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 10'
UNIT
- Roll up door
- Interior
$29.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 5'
UNIT
- Climate controlled
- Premium unit
- Roll up door
- Interior
$30.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 7.5'
UNIT
- Climate controlled
- Roll up door
- Interior
$31.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 7.5'
UNIT
- Climate controlled
- Roll up door
- Interior
$32.99
per month
Continue
Reserve this storage unit today! No credit card required.
4' x 10'
UNIT
- Climate controlled
- Roll up door
- Interior
2 left at
$59.99
$33.99
per month
Continue
Reserve this storage unit today! No credit card required.
5' x 10'
UNIT
- Climate controlled
- Roll up door
- Interior
$34.99
per month
Continue
Reserve this storage unit today! No credit card required.
Showing 1-10 out of 38 units
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Facility Map
Features & amenities
BILLING
- Email billing available
- Auto-pay available
- Credit cards accepted (Visa, Mastercard, AMEX, Discover)
- Rent due on 1st of each month
- Checks accepted
- Cash accepted
ACCESS
- Electronic gate access
- Handcarts available
ADMINISTRATION
- Admin fee: $24.00
- Spanish speakers on staff
- Accepts mail/packages for tenants
MOVING
- Truck rental available
- Moving supplies for sale
VEHICLE STORAGE REQUIREMENTS
- Vehicle requires title
- Vehicle must be running
- Vehicle requires registration
SECURITY FEATURES
- Video cameras on site
- Fenced and lighted
DISCOUNTS
- 10% senior discount
- 10% military discount (active-duty, reserves, veterans)
- 10% student discount
OTHER
- Homeowners/renters insurance accepted
- Insurance available
- Insurance required
- Vehicle requires insurance
Office Hours
Sun
9:00 AM - 4:00 PM
Mon
9:00 AM - 6:00 PM
Tue
9:00 AM - 6:00 PM
Wed
9:00 AM - 6:00 PM
Thu
9:00 AM - 6:00 PM
Fri
9:00 AM - 6:00 PM
Sat
9:00 AM - 5:00 PM
Access Hours
Sun
6:00 AM - 4:00 PM
Mon
6:00 AM - 6:00 PM
Tue
6:00 AM - 6:00 PM
Wed
6:00 AM - 6:00 PM
Thu
6:00 AM - 6:00 PM
Fri
6:00 AM - 6:00 PM
Sat
6:00 AM - 5:00 PM
How It Works
1. Select Your Unit
2. Reserve for free
Cancel or change your reservation at any time risk-free
3. Visit your facility
4. Move in
Storage Unit Layout Guide
This unit fits the contents of one large closet.
Best for storing:- Seasonal decorations
- Off-season clothing
- Boxes of personal items
- Outdoor and camping gear
- Small furniture
This unit fits the contents of one bedroom or dorm room.
Best for storing:- Mattress set
- Small couch, table and chair set, and desk
- Boxes of personal items
This unit fits the contents of two small rooms.
Best for storing:- Mattress sets
- Large dining set, bookcases, an desks
- Washer and dryer
This unit fits the contents of one large room.
Best for storing:- Multi-piece bedroom set
- Living room set with couch
- Refrigerator
- Boxes of personal items
This unit fits the contents of three to four rooms.
Best for storing:- Multiple bedroom sets
- Large appliances and furniture
- Patio sets
- Boxes of personal items
- Small cars, boats, and other vehicles
This unit fits the contents of a two- to three-bedroom house.
Best for storing:- Multiple bedroom sets
- Large appliances and furniture
- Patio sets
- Boxes of personal items
- Truck, trailer, or other mid-size vehicle
This unit fits the contents of a four- to six-bedroom house.
Best for storing:- Multiple bedroom sets
- All large appliances and furniture
- Patio sets
- Boxes of personal items
- Truck, trailer, or other mid-size vehicle