Updated April 2026

5x5 storage unit cost: $50 to $80 per month

The 5x5 is the smallest standard self storage unit and runs $50 to $80 per month standard, $65 to $110 climate-controlled, on a 2026 national basis. City variation is wide: roughly $32 in Oklahoma City and $138 in New York. Most renters who book a 5x5 should have booked a 5x10. The math is below.

National avg

$50 to $80

Climate

$65 to $110

Floor area

25 sqft

Per-sqft cost

~$2.40

What a 5x5 actually costs in 2026

The 5x5 self storage unit is 25 square feet of floor area with a typical ceiling height of 8 feet, giving 200 cubic feet of usable space. Industry pricing from Sparefoot Storage Beat and the operator pricing pages of Public Storage, Extra Space, and CubeSmart places the 2026 national 5x5 monthly average between $50 and $80 standard, and $65 to $110 climate-controlled.

That headline conceals a 4-fold city variation. Land is the largest input cost for a self storage facility, and land is what differs between markets. Public Storage's 2024 10-K filing breaks out same-store revenue per occupied square foot by region: their California portfolio averaged $24.92 per occupied square foot per year, while their Texas portfolio averaged $14.71. A 5x5 priced from those figures lands at roughly $104 per month in California and $61 per month in Texas, before promotions or fees. The Sparefoot city sample we summarise below confirms a similar shape.

On top of the rent, expect a one-time admin or setup fee of $15 to $30 at move-in, mandatory facility insurance of $10 to $20 per month if you cannot opt out via a renters or homeowners policy, and a disc-lock charge of $10 to $15 unless you bring your own. A $79 advertised 5x5 with promotion typically settles at $95 to $115 by month four after the post-promo rate increase of 10 to 25 percent kicks in. The ladder is documented in the 10-K rate-management discussions of all three public REITs and is not a sign of a bad facility, just an industry standard.

One nuance specific to 5x5 units: because they are the smallest size, they have the highest cost per square foot. A 5x5 averages roughly $2.40 per square foot per month against $0.97 for a 10x30 in the same facility. The implication is that a 5x5 is rarely the most economical choice for storing more than about 10 to 12 boxes. The 5x10 typically halves the per-square-foot cost and only adds $15 to $50 to the monthly bill.

5x5 prices in 10 representative US cities

Sourced from a sample of 100+ facility listings across Sparefoot, PublicStorage.com, and ExtraSpace.com in April 2026. Bands reflect typical post-promo pricing, not the introductory headline.

5x5 monthly price by city / 2026

City	Standard	Climate-controlled
Oklahoma City, OK	$32 to $48	$42 to $62
Memphis, TN	$38 to $54	$50 to $70
Phoenix, AZ	$45 to $68	$58 to $88
Atlanta, GA	$48 to $72	$62 to $94
Chicago, IL	$55 to $82	$72 to $107
Denver, CO	$58 to $86	$76 to $112
Seattle, WA	$72 to $108	$94 to $140
Boston, MA	$78 to $116	$101 to $151
Los Angeles, CA	$82 to $122	$107 to $159
New York, NY	$94 to $138	$122 to $179

Bands shown are typical post-promo monthly rates. Promotional first-month rates often run 50 to 100 percent below these figures for 30 days, then revert.

What actually fits in 5x5

A 5x5 is a closet, not a room. The dimensions are 5 feet wide, 5 feet deep, and typically 8 feet tall. You cannot walk into the unit comfortably, you load from the door inward, and you have to plan the layout because the only thing you can reach without moving items is what is at the front. Here is a realistic inventory list.

Medium boxes (16 x 12 x 12)10 to 15

Standard banker boxes20 to 25

Two-drawer file cabinets1 to 2

Folding chairs (stacked)8 to 10

Holiday decoration totes6 to 8

Standard golf bag1 (vertical)

Snowboard or skis1 to 2 sets

Suitcases (28-inch)3 to 4

A 5x5 does not fit a mattress (twin or larger), a sofa, a refrigerator, a washer or dryer, a dining table, or any furniture more than about 4 feet in any dimension. Bookcases that disassemble flat are fine; full-assembly furniture usually is not. If you have any of these items in your inventory, the 5x5 is the wrong size, and you should price the 5x10 next.

The exception worth noting: a 5x5 is genuinely well-suited to vertical storage of long thin items. Skis, snowboards, golf bags, fishing rods, lamp poles, rolled rugs, and Christmas trees in their bags all live happily standing against the 5-foot wall. If your inventory is mostly seasonal long items plus 8 to 10 boxes, the 5x5 is honest value.

5x5 vs 5x10: when to size up

Stay with 5x5

Storing 10 boxes or fewer plus 1 to 2 large items
Tight market where the 5x10 premium is $50+/month
Confident you will not add inventory in 3 to 6 months
All items have known dimensions, no guesswork
Renting for less than 3 months total

Go to 5x10

Any mattress, sofa, dresser, or appliance in inventory
Storing for 6+ months with potential to add items
Premium over 5x5 is less than $25/month in your market
Want to be able to walk in and reorganise
Two-person move-in (loading a 5x5 requires careful Tetris)

The 5x10 doubles the floor area for typically 30 to 60 percent more rent. In Oklahoma City, the gap is roughly $14 per month. In Manhattan, the gap is closer to $40. Compare those numbers against the cost of either renting a second 5x5 later (which doubles your admin fee, doubles your insurance, and locks you into two month-to-month contracts) or paying for a third party to come reorganise your unit at $50 to $100 an hour. The 5x10 wins on TCO in most cases.

The genuine 5x5 buyer is someone who needs overflow closet space for documented reasons (the closet at home is full, the basement floods, the rental unit has no storage), knows exactly what is going in, and will be in and out within 6 months. For everyone else, ask the facility for the 5x10 promo and price-compare honestly.

Cheaper alternatives to a 5x5 unit

Before booking, three alternatives deserve a fair hearing. First, peer-to-peer storage via Neighbor.com and similar platforms typically prices an equivalent volume at 30 to 50 percent below traditional facility rates. The trade-off is variable access (you book windows with the host) and less standardised security. For a 5x5-equivalent volume of stored items, Neighbor listings in major US cities run $25 to $45 per month versus the $50 to $80 traditional band.

Second, a U-Haul U-Box or PODS container delivered for short-term storage may cost less per month than a 5x5 if your storage need is under 60 days and you do not need to access items. A U-Box is roughly 95 cubic feet (8 ft x 5 ft x 7.5 ft), genuinely comparable to a 5x5, and U-Haul charges $80 to $130 per month plus delivery. The math is comparable to a city 5x5 but better if you also need transportation later.

Third, free options often get dismissed too quickly. A friend or family member with garage or basement space, a corner of a co-working office leased per month with included storage, a small rental locker at a gym or yoga studio with monthly storage add-on. These are not always available, but for the 5x5 use case (small overflow), they often are. The decision math is whether $600 to $1,000 a year of storage rent is worth the convenience versus a one-time inconvenience of asking someone for the favour.

For a head-to-head comparison of portable container alternatives versus traditional units, see PODS vs self storage. For peer-to-peer specifics, see Neighbor storage cost.

5x5 storage FAQ

How much does a 5x5 storage unit cost per month in 2026?

The national average for a 5x5 standard self storage unit is $50 to $80 per month. Climate-controlled 5x5 units run $65 to $110. City pricing varies from about $32 in Oklahoma City to $138 in New York. Add $15 to $30 admin fee at move-in plus mandatory insurance of $10 to $20 per month if you cannot decline it.

What can fit in a 5x5 storage unit?

A 5x5 holds the contents of a small walk-in closet: roughly 10 to 15 medium boxes, plus a chest of drawers, a small bookshelf, several totes of seasonal items, and vertically stored items like skis or a single golf bag. It does not fit a mattress, sofa, or appliances. Think of it as overflow closet space, not apartment storage.

Is a 5x5 unit big enough for a college dorm?

It is right at the edge. A 5x5 fits a single dorm room of furnishings if you pack tightly: bedding, mini-fridge, bookshelf contents, clothing, and books. For two roommates or anything larger than the standard issue, step up to a 5x10. The price difference (often $15 to $50 per month) is usually less than the cost of cramming.

Should I rent a 5x5 or pay $15 more for a 5x10?

Rent the 5x10 in most cases. The 5x10 costs $15 to $50 more per month and gives you twice the floor space, room to walk in, and the ability to organise items rather than stack them blind. The exception: if you are storing fewer than 12 boxes total, are confident you will not add to the unit, and are renting in a high-cost market where the gap is $50+, the 5x5 is honest value.

Are 5x5 units climate-controlled?

Most facilities offer both standard and climate-controlled 5x5 units. The climate-controlled premium is typically 25% to 50% more, which translates to $15 to $30 per month. Worth it if you are storing photos, electronics, leather, or wood items. Skip it for plastic bins, holiday decorations, sports gear, and most clothing.

Can a 5x5 fit a small mattress?

A twin mattress (39 x 75 inches) will fit on edge against the 5-foot wall, but it leaves almost no usable space for boxes. A full or larger mattress (54+ inches wide) will not fit standing on its short edge in a 5-foot deep unit. If you need to store any mattress plus other items, go to a 5x10 minimum.

What is the cheapest way to rent a 5x5 unit?

Take the first-month-free promotion (almost universal), pick a suburban facility 15 to 20 minutes outside the city centre (saves 30 to 50 percent), choose a drive-up rather than indoor unit, and decline the facility insurance if your renters or homeowners policy already covers off-premises items. These four moves typically drop a $80 city 5x5 to $40 to $50 effective.

5x10 storage unit cost

Step up from 5x5: $65 to $130

10x10 storage unit cost