modSTORAGE (ex-21CSS) - 3503 B ST - Philadelphia

3503 B Street , Philadelphia , PA 19134 (877) 449-1281
Book Now

We are experiencing high demand in this area.
Make sure you reserve a unit for free today to hold a storage space.

  • 5' x 5' Locker

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $9.99

    Regular Price

    $14.99
  • 5' x 5'

    5' x 5' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $19.99

    Regular Price

    $34.99
  • 5' x 5'

    5' x 5' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $21.99

    Regular Price

    $37.99
  • 5' x 5'

    5' x 5' Unit

    Climate Controlled, Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $24.99

    Regular Price

    $39.99
  • 5' x 5'

    5' x 5' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $49.99

    Regular Price

    $84.99
  • 5' x 7.5'

    5' x 7.5' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $29.99

    Regular Price

    $49.99
  • 5' x 7.5'

    5' x 7.5' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $34.99

    Regular Price

    $59.99
  • 5' x 10'

    5' x 10' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $44.99

    Regular Price

    $79.99
  • 5' x 10'

    5' x 10' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $49.99

    Regular Price

    $84.99
  • 5' x 10'

    5' x 10' Unit

    Climate Controlled, Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $54.99

    Regular Price

    $94.99
  • 5' x 10'

    5' x 10' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $79.99

    Regular Price

    $139.99
  • 6' x 10'

    6' x 10' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $74.99

    Regular Price

    $129.99
  • 6' x 10'

    6' x 10' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $89.99

    Regular Price

    $159.99
  • 5' x 15'

    5' x 15' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $37.99

    Regular Price

    $64.99
  • 7.5' x 10'

    7.5' x 10' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $39.99

    Regular Price

    $69.99
  • 7.5' x 10'

    7.5' x 10' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $79.99

    Regular Price

    $139.99
  • 5' x 15'

    5' x 15' Unit

    Climate Controlled, Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $81.99

    Regular Price

    $144.99
  • 7.5' x 10'

    7.5' x 10' Unit

    Climate Controlled, Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $81.99

    Regular Price

    $144.99
  • 5' x 15'

    5' x 15' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $94.99

    Regular Price

    $169.99
  • 10' x 10'

    10' x 10' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $39.99

    Regular Price

    $84.99
  • 10' x 10'

    10' x 10' Unit

    Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $54.99

    Regular Price

    $94.99
  • 10' x 10'

    10' x 10' Unit

    Climate Controlled, Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $74.99

    Regular Price

    $159.99
  • 10' x 10'

    10' x 10' Unit

    Climate Controlled, Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $84.99

    Regular Price

    $169.99
  • 10' x 15'

    10' x 15' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $84.99

    Regular Price

    $149.99
  • 10' x 15'

    10' x 15' Unit

    Climate Controlled, Interior, Premium Location, Roll Up Door

    Totally FREE Move In

    Discount Price

    $119.99

    Regular Price

    $194.99
  • 10' x 15'

    10' x 15' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $199.99

    Regular Price

    $314.99
  • 10' x 18'

    10' x 18' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $124.99

    Regular Price

    $199.99
  • 10' x 18'

    10' x 18' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $289.99

    Regular Price

    $404.99
  • 10' x 20'

    10' x 20' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $134.99

    Regular Price

    $214.99
  • 10' x 22'

    10' x 22' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $304.99

    Regular Price

    $424.99
  • 15' x 15'

    15' x 15' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $204.99

    Regular Price

    $319.99
  • 10' x 25'

    10' x 25' Unit

    Interior, Roll Up Door

    Totally FREE Move In

    Discount Price

    $214.99

    Regular Price

    $326.99
  • 10' x 27'

    10' x 27' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $379.99

    Regular Price

    $529.99
  • 10' x 30'

    10' x 30' Unit

    Drive Up Access, Roll Up Door

    Totally FREE Move In

    Discount Price

    $399.99

    Regular Price

    $554.99

How it works

Reserve 1

Reserve your
storage unit for free

Facility 2

Visit the facility to finalize the rental

Move 3

Move-in!

Operating Hours

Office

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

Unit Access

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

Features and Amenities

  • Truck rental available
  • Fenced and lighted
  • Video cameras on site
  • Vehicle requires insurance
  • Electronic gate access
  • Vehicle requires title
  • Handcarts available
  • Moving supplies for sale
  • Spanish speakers on staff
  • Email billing available
  • Accepts mail/packages for tenants
  • Rent due on 1st of each month
  • Auto-pay available
  • Vehicle must be running
  • Vehicle requires registration
  • Insurance required
  • Insurance available
  • Homeowners/renters insurance accepted
  • Cash accepted
  • Checks accepted
  • Credit cards accepted (Visa, Mastercard, AMEX, Discover)
  • 10% Military discount (active-duty, reserves, veterans)
  • 10% Student discount
  • 10% Senior discount

Additional information

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."

Customer Reviews

  • 4.5 of 5 stars

    Hugo Fuentss

    July 2nd, 2024

    Staff was very helpful explaining the move in process

    Customer service was very helpful on explaining the application process.they were very friendly explaining how to open and lock the storage unit. Took there time on answering all of my questions.

  • 4.5 of 5 stars

    Damaris<br />Montalvo

    February 27th, 2024

    Good place

    Nice and private and reasonable

  • 5.0 of 5 stars

    Rasheem N.

    February 20th, 2024

    Since Iテ「竄ャ邃「ve been renting here I never had a prblm.

    Always let you know when theyテ「竄ャ邃「re not going to be open so thereテ「竄ャ邃「s no inconvenience to you!

  • 4.5 of 5 stars

    Haydee Flores

    July 24th, 2023

    Great

    Was treated with respect and in a friendly manner..

  • 5.0 of 5 stars

    Natasha Brooks

    June 3rd, 2023

    Overall a great experience!

    I went in and secured my storage space without any problems, customer service was on point, friendly, explained everything to a T, overall I'm satisfied with my experience so far!

  • 4.5 of 5 stars

    Marcus Wilford

    May 22nd, 2023

    Awesome and easy process.

    The whole process was quick and easy. The staff at the site was very professional and full of knowledge.

  • 4.5 of 5 stars

    Frank

    May 7th, 2023

    Excellent

    Excellent service everyone provided wonderful service

  • 5.0 of 5 stars

    Jacqueline<br />Domenech

    December 19th, 2022

    Great people

    Great customer service and support

  • 5.0 of 5 stars

    Benjamin<br />Bellmon

    October 17th, 2022

    Everything went OK with customer service.

    Everything went ok with customer service.

  • 5.0 of 5 stars

    J. Brown

    August 29th, 2022

    The sales people are wonderfully helpful and the units are clean

    I had a unit for 2 yrs. I have long term needs. I just got another 1. The sales lady was excellent in getting me the best deal!

  • 5.0 of 5 stars

    Shrine V<br />Williams

    August 15th, 2022

    In a event of an emergency !!

    I was forced to moved within 2 weeks this place was a life saver I am fearful that I was able to receive super fast service for storing my household items and clothing. It was super fast reliable and easy to create an account online. The staff (Donia) at 3503 B street was very friendly, helpful, and informative about the entire process. Thank You self storage I really appreciate it !

  • 5.0 of 5 stars

    Betty Hayes

    July 26th, 2022

    Perfect staff

    Your staff worker was very polite and helpful. He made everything easy fast.

  • 5.0 of 5 stars

    Tony cook

    July 25th, 2022

    Great service

    Staff was amazing, very friendly

  • 4.5 of 5 stars

    Gladys

    July 19th, 2022

    second time rented storage.

    Very helpful I needed the storage unit so that my moving will be easier, thank you.

  • 5.0 of 5 stars

    Tywanda Thomas

    July 7th, 2022

    Vice clean

    Very nice friendly and good service

  • 5.0 of 5 stars

    Joanne Rice

    May 29th, 2022

    Friendly environment

    The experience was great! The staff was extremely helpful and accommodating. Happy I picked this place and Iテ「竄ャ邃「m comfortable with the location as well! Easy access and non confusing

  • 4.0 of 5 stars

    Gaby

    May 15th, 2022

    Jim was amazing!!

    Jim went above & beyond with the Customer Service. He helps me to feel secure and have confidence with the place.

  • 5.0 of 5 stars

    Veronica Rivera

    March 2nd, 2022

    Exelente servicio.

    El señor que atiende es exelente empleado y trata de ayudar a todos con amor y respeto. Lo recomiendo 👍

  • 4.0 of 5 stars

    Andre Kunz

    November 14th, 2021

    Friendly staff, good units

    Friendly staff, good units with helpful equipment

  • 5.0 of 5 stars

    Ivanna ellis

    June 1st, 2021

    Great for the price

    Everything was good, my only issue was rat droppings in my unit, but Iテ「竄ャ邃「m happy itテ「竄ャ邃「s on the ground level and no steps!

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