Helena Security Storage

Secure Units | Drive-Up | RV Storage

Helena Security Storage provides safe, affordable self storage in Helena, Montana. Our facility—located on Highway 12 between downtown and East Helena—features gated entry, 24-hour video monitoring, and clean storage units in multiple sizes. We also offer covered RV and boat storage for your outdoor gear and vehicles. Rent your storage unit online in minutes or give us a call.

Rent a Unit

Find Your Space!

5 x 10

A 5x10 unit offers roughly 50 square feet of space, perfect for small furniture, boxes, and seasonal items. Think of it as an extra walk-in closet — big enough for a dresser, a few chairs, and about a dozen boxes. It’s a great choice if you’re cleaning out a spare room, storing college furniture, or keeping outdoor gear and tools out of the way.

$50 / month

10 x 10

At 100 square feet, a 10x10 unit is one of the most popular sizes. It can comfortably hold the contents of a one-bedroom apartment — a couch, mattress set, dining table, appliances, and plenty of boxes. If you’re moving or downsizing, this size gives you the flexibility to store furniture without feeling cramped.

$70 / month

10 x 15

A 10x15 unit has enough room for the contents of a small two-bedroom home. It’s ideal for storing larger pieces like sectionals, bedroom sets, or appliances, with room left over for boxes and bikes. This size is also a good fit for small business owners who need extra storage for inventory or equipment.

$80 $40 / month
50% off first month's rent!

This discount lasts until 11/30/2025 12:00AM

10 x 20

A 10x20 unit offers 200 square feet — enough space for a small household’s belongings or a full-size vehicle. Picture fitting a living room set, multiple bedroom sets, and large appliances all in one place. This is a popular option for families between homes or anyone looking to store a car, boat, or trailer securely indoors.

$95 / month

10 x 25

With 250 square feet, a 10x25 unit can handle the contents of a three- or four-bedroom house. You could store large furniture, multiple appliances, outdoor gear, or even a vehicle alongside household items. It’s a great choice if you’re doing a home renovation, managing an estate, or just need room to grow.

$110 $99 / month
Limited time offer – 10x25 units 10% off first 2 months

This discount lasts until 11/14/2025 12:00AM

10 x 30

A 10x30 unit gives you a generous 300 square feet — about the size of a two-car garage. It can hold everything from a four-bedroom home, including living room sets, large appliances, and outdoor furniture. For business owners, it provides warehouse-style storage for equipment, materials, or inventory.

$125 / month

10 x 40

At 400 square feet, the 10x40 is our biggest space — perfect for storing a large home’s entire contents, multiple vehicles, or a boat and trailer. It’s roughly the size of an oversized two-car garage, offering plenty of room to maneuver and organize your belongings. Many customers use this size for long-term storage, business inventory, or large-scale projects.

$175 / month

OUTDOOR COVERED VEHICLE/RV/BOAT STORAGE (40 x 10)

Our 10x40 covered parking spaces are designed for Montana-sized adventures. With 40 feet of length, these spaces comfortably fit most RVs, travel trailers, boats, and large trucks — keeping them protected from the elements while still offering easy access year-round.

$80 / month

OUTDOOR UNCOVERED RV/BOAT STORAGE

20 FT. LONG OR LESS

$45 / month

RV, Boat and Self Storage Facility in Helena, MT

Directions to Security Storage


Our Self, Boat & RV Storage Facility


Security Storage takes pride in offering a simple and hassle-free self storage experience for all of our customers in Helena, MT. We make sure our storage units are clean, secure, and ready to rent. We also focus on offering a wide variety of storage unit sizes and types, including Boat & RV storage, to make sure we can handle any self storage need that you may have. Security Storage also offers online rentals and online bill pay 24/7 to make your experience quick and easy. Feel free to look at our available storage units and give us a call if you have any questions or simply rent your unit right on the website.

Proudly Offering the Following Types of Storage:

RV Storage

Boat Storage

Self Storage

Our Storage Unit Pricing Guide

Security Storage

3425 Allied Dr. Helena, MT 59601

Small Units

$50

See Units

Medium Units

$80

See Units

Large Units

$125

See Units

New Rentals: (406) 227-6652

All The Convenience And Security You Need

7 AM to 10 PM secure keypad access for added security
Great Customer Service
24 Hour Security Cameras
Fenced and Lighted
Online Bill Pay
Variety of unit sizes available
Drive-up Access
Outdoor Storage (Covered or Outside)
189 Units from 5x10 through 10x40 Sizes
Boat Storage
RV Storage
Self Storage

Helena Security Storage Welcomes YOU!