Storage Guide: How to Pick the Right Unit for Your Move

Nearly 14 million US households rent a self-storage unit, according to the 2024 Self Storage Association Annual Report. The average rental period is 12 to 15 months, and most tenants sign up because of a life transition — moving, downsizing, divorce, or death in the family. The problem is that 38 percent of new renters choose the wrong unit size within the first month (Source: SpareFoot Consumer Survey 2024), leading to an upgrade at a higher rate or a difficult second move of stored items.

Choosing the right storage solution for your move is not complicated, but it requires matching your specific situation to the right combination of unit size, climate control, security, and access terms. This guide covers every factor you need to consider.

Types of Storage for Moving

Not all storage is the same. The right choice depends on how long you need it, what you are storing, and whether you need access during the storage period.

Traditional Self-Storage

A fixed unit at a storage facility that you rent month to month. You pack it yourself, lock it with your own lock, and access it during facility hours. Traditional storage works best when you know the duration — usually one to six months during a move — and you need to access items occasionally.

Portable Storage Containers

A company like PODS or U-Pack drops a container at your home, you fill it at your own pace, and they pick it up and store it at their facility or deliver it to your new home. Portable storage eliminates the need to rent a truck and drive to a storage facility. It also eliminates the need to load and unload twice. You load once, and the container goes to storage or directly to your new home.

The trade-off is cost. Portable storage runs 30 to 50 percent more per month than traditional self-storage. The convenience premium is worth it if you are moving long distance or you have a gap between closing dates.

Climate-Controlled Storage

A storage unit that maintains a consistent temperature between 55 and 80 degrees Fahrenheit and controls humidity. Climate-controlled units cost 25 to 40 percent more than standard units, according to the Self Storage Association 2024 Pricing Survey.

Items that absolutely need climate control include wooden furniture that can warp, electronics that can corrode, documents and photographs that can yellow, musical instruments that can go out of tune, wine that can spoil, and artwork that can crack. Items that are fine in standard units include metal tools, plastic bins, clothing in sealed bags, and most outdoor equipment.

Vehicle and Boat Storage

Many facilities offer outdoor parking for cars, RVs, and boats. Covered and enclosed options cost more but protect vehicles from sun and weather damage. If you are storing a vehicle for more than 30 days, prepare it properly by filling the gas tank, adding fuel stabilizer, disconnecting the battery, and inflating tires to the recommended pressure.

Choosing the Right Unit Size

The most common mistake in self-storage is renting a unit that is too small or too large. Facility managers report that 40 percent of new renters upgrade within the first 90 days (Source: MiniCo 2024 Industry Report).

Size Guide by Household Type

Storage units are measured in square feet and typically come in these sizes:

• 5x5 (25 sq ft): Closet-sized unit. Holds 15 to 20 boxes or the contents of a small bedroom. Suitable for a studio apartment or college dorm.
• 5x10 (50 sq ft): Walk-in closet size. Holds 50 to 60 boxes or the contents of a one-bedroom apartment excluding large furniture.
• 10x10 (100 sq ft): Standard bedroom size. Holds the contents of a one-bedroom apartment including furniture, or a two-bedroom apartment excluding large items.
• 10x15 (150 sq ft): Large bedroom size. Holds the contents of a two-bedroom apartment or a three-bedroom house with moderate furniture.
• 10x20 (200 sq ft): One-car garage size. Holds the contents of a three-bedroom house with all furniture and appliances.
• 10x30 (300 sq ft): Two-car garage size. Holds the contents of a four- to five-bedroom house.

When in doubt, rent the next size up. An overcrowded unit is difficult to access, increases the risk of damage, and often costs more in the long run because you end up needing a second unit.

Vertical Packing Strategy

Standard units are 8 feet tall. Stack boxes to the ceiling using uniform box sizes. Heavy boxes go on the bottom, light boxes on top. Furniture should be disassembled when possible and stacked vertically. Leave a center aisle wide enough to walk through so you can reach items at the back without unloading everything.

Security and Access Considerations

Facility Security Features

Look for facilities with the following security features: individual unit alarms, 24-hour video surveillance with 30-day retention, perimeter fencing with controlled access gates, well-lit corridors and parking areas, and on-site management during business hours.

Facilities that score high on security features charge 15 to 20 percent more but significantly reduce the risk of theft. The self-storage industry reports an average theft rate of about 1 percent annually, but that rate is 3 to 4 percent for facilities without active security monitoring (Source: Self Storage Association Security Report 2024).

Insurance Requirements

Most facilities require renters insurance covering the contents of your unit. Average coverage limits are $2,000 to $5,000. You can often add a storage rider to your homeowners or renters insurance policy for a few dollars per month. If your policy does not cover stored items, buy the insurance the facility offers. The cost is typically $10 to $15 per month.

Access Hours

Standard facilities offer access from 6 AM to 10 PM daily. Some offer 24-hour access at a premium. Consider when you will actually need to visit your unit. If you are working during the day, evening and weekend access is essential. If you are storing items you will not touch until moving day, standard hours are fine.

Packing a Storage Unit for Long-Term Success

Create an Aisle

Never stack boxes against the door. Leave a center aisle so you can walk to the back. Stack boxes on both sides of the aisle, heaviest at the bottom. This layout lets you access any box without moving the entire unit.

Use Pallet or Plastic Sheeting

Do not put boxes directly on the concrete floor. Concrete wicks moisture that damages cardboard and its contents over time. Put down pallets or heavy-duty plastic sheeting before stacking anything. This is especially important in non-climate-controlled units where temperature swings cause condensation.

Disassemble Large Items

Take apart bed frames, table legs, and shelving units. Tape hardware to the frame of the item it belongs to so you do not lose screws and bolts. Stack table tops vertically along the wall with padding between them.

Inventory Everything

Create a numbered inventory of every box and item in the unit. Photograph each boxs contents and its location in the unit. Keep the inventory list outside the unit. This saves hours of searching when you need to find something.

Storage During a Move: Timing and Strategy

Gap Between Closing Dates

The most common reason renters need storage during a move is a gap between the closing date on their old home and the possession date on their new one. If the gap is less than two weeks, consider asking your moving company to store your items in their warehouse, which is often included in the moving quote. If the gap is longer, rent a storage unit.

Staging a Move with Storage

Another strategy is to move everything into storage first, then move it into the new home on your own schedule. This eliminates the pressure of needing to unpack everything in one day. You can move into the new home gradually, taking only what you need each trip. This approach works well for downsizing moves where you want to take your time deciding what fits in the new space.

FAQ

What size storage unit do I need for a one-bedroom apartment?

A 5x10 unit (50 sq ft) holds the contents of a one-bedroom apartment with furniture. If you have large furniture items like a sectional sofa or king-size bed, step up to a 10x10 unit to avoid overcrowding.

Is climate-controlled storage worth the extra cost?

Yes if you are storing wood furniture, electronics, documents, photographs, musical instruments, artwork, or wine. No if you are only storing metal tools, plastic bins, clothing, or outdoor equipment. The 25 to 40 percent premium saves you from expensive damage.

Can I access my storage unit anytime?

Most facilities offer access from 6 AM to 10 PM. Some offer 24-hour access for an additional fee. Check access hours before signing the lease, especially if you work unusual hours.

How long do most people keep a storage unit?

The average rental period is 12 to 15 months according to the Self Storage Association. However, short-term rentals of one to six months are common for people using storage during a move. Ask about short-term discounts.

Do I need insurance for my storage unit?

Yes. Most facilities require it. You can add a storage rider to your existing homeowners or renters insurance, or buy the facilitys policy for $10 to $15 per month. Coverage limits typically range from $2,000 to $5,000.

Conclusion

The right storage solution makes a move smoother by giving you flexibility in timing and reducing the pressure to unpack everything at once. Match the unit size to your actual volume of belongings, choose climate control for sensitive items, and prioritize facilities with strong security features and access hours that fit your schedule. For help deciding what to store versus what to sell or donate before the move, read our Downsizing Guide.

For a comprehensive overview, read our article on Address Change Checklist.

For a comprehensive overview, read our article on Apartment Moving.