5x5
25 sqft
Comparable
Walk-in closet
Standard
$50 - $80
Climate
$65 - $110
2026 pricing data, updated AprilHow much does
How much does
self storage actually cost?
Vendor pages quote the introductory rate. Aggregators quote the median. Both miss the admin fee, the mandatory insurance, the lock, and the 10 to 25% jump after month six. We do not.
National Averages 2026
per month
5x5
closet
$50 - $80
10x10
1-bed apt
$100 - $200
10x20
3-bed house
$150 - $350
Climate-controlled units cost 25-50% more. Add ~$25 admin fee + ~$15/mo insurance.
Section 01
Every standard size, with what it actually fits
5x10
50 sqft
Comparable
Studio apartment partial
Standard
$65 - $130
Climate
$85 - $175
10x10
100 sqft
Comparable
1-bed apartment / full garage
Standard
$100 - $200
Climate
$130 - $275
10x15
150 sqft
Comparable
2-bed apartment
Standard
$120 - $275
Climate
$155 - $370
10x20
200 sqft
Comparable
3-bed house partial
Standard
$150 - $350
Climate
$195 - $470
10x30
300 sqft
Comparable
Full 4-bed house
Standard
$200 - $450
Climate
$260 - $600
Section 02
The real cost of a $99 storage unit
The advertised rate is the smallest line on the bill. By month four most customers are paying 30 to 60% more than the headline number. Vendor pricing guides will not publish this breakdown. Here it is.
Receipt: 10x10, advertised $99/mo, six-month rental
- Month 1 rent (advertised promo)$99
- Admin / setup fee (one-time)$25
- Disc lock (one-time, at facility)$15
- Insurance (mandatory, $15/mo x 6)$90
- Months 2-3 rent at promo rate ($99 x 2)$198
- Months 4-6 rent after 18% rate increase ($117 x 3)$351
Six-month total
$778
True average: $130/month, not $99. Skip the facility lock, decline insurance via your renters policy, and negotiate the rate increase to bring this down to roughly $640.
Section 03
What actually drives your monthly bill
01
4x variance
Location
$64/mo for a 10x10 in Oklahoma City vs $292 in San Francisco. Driving 15-20 minutes outside any city centre saves 40-60%.
See state-by-state →02
$0.97 - $1.40/sqft
Unit size
Bigger units cost less per square foot. A 10x30 averages $0.97/sqft, a 5x5 averages $1.40/sqft. Right-sizing usually beats over-buying.
Pick the right size →03
+25 to 50%
Climate control
Required for wood, electronics, photos, leather, wine. Pointless for tools, plastic bins, garden gear. The premium adds $360 to $900/year on a 10x10.
Worth the premium? →04
$130 - $210
Operator
CubeSmart averages cheapest of the big chains, Public Storage most expensive. U-Haul is the only chain with a 12-month rate guarantee. Independents typically beat all of them.
Compare providers →Section 04
The fees no one quotes you upfront
Each fee is small. Together they add 30 to 60% to the advertised rate.
Fees ledger / 2026
| Fee | Typical amount | How to dodge |
|---|---|---|
| Admin / setup | $15 - $30 | Ask. Many waive it to close. |
| Mandatory insurance | $10 - $20/mo | Use renters insurance off-premises rider. |
| Disc lock | $10 - $15 | Bring your own from a hardware store ($5-$8). |
| Late payment | $20 - $50 | Set autopay on day one. |
| Promo rate increase | +10 to 25% | Call to negotiate before accepting. |
| Move-out cleaning | $25 - $75 | Sweep the unit yourself. |
| Returned payment | $25 - $35 | Verify funds before autopay. |
Section 05
The 4x city gap
Same 10x10 unit, same 2026 averages. Where you live matters more than which chain you choose.
Most expensive
- 01Honolulu, HI$299/mo
- 02San Francisco, CA$292/mo
- 03New York, NY$244/mo
- 04Los Angeles, CA$239/mo
- 05Boston, MA$224/mo
Most affordable
- 01Oklahoma City, OK$64/mo
- 02Tulsa, OK$71/mo
- 03Memphis, TN$76/mo
- 04Indianapolis, IN$79/mo
- 05Louisville, KY$82/mo
Section 06
Pick your scenario
Storage unit sizes
5x5 through 10x30 with what fits, sqft cost analysis.
Open →
Cost by state and city
All 50 states + top 10 cheapest and most expensive cities.
Open →
Climate controlled cost
When the 25-50% premium is worth it. Regional breakdowns.
Open →
Public Storage vs Extra Space vs CubeSmart
Independent side-by-side. Pricing, fees, rate-increase history.
Open →
PODS vs self storage
Which is cheaper for moving, for long-term, for renovation.
Open →
Car, boat and RV storage
Outdoor, covered, indoor. Costs by vehicle type.
Open →
Business storage cost
Inventory, e-commerce, records. Tax deductibility rules.
Open →
How to pay less
12 specific tactics with dollar-savings estimates.
Open →
True cost calculator
Includes admin fees, insurance, and projected rate increases.
Open →
Storage insurance guide
Facility plan vs renters policy vs third-party coverage.
Open →
Frequently asked questions
25 questions answered with 2026 data.
Open →
Section 07
Common questions
How much does a 10x10 storage unit cost per month?
A standard 10x10 storage unit costs $100 to $200 per month nationally in 2026. Climate-controlled units run $130 to $275. Prices vary as much as 4x by city: Oklahoma City averages $64, San Francisco $292. The 10x10 is the most popular size and fits a 1-bedroom apartment or full garage.
Is climate-controlled storage worth the extra cost?
Yes for wood furniture, electronics, photos, leather, instruments, wine and antiques. The 25-50% premium ($20 to $100+/month depending on size) is small insurance against humidity warping, mould, and heat damage. Skip it for tools, plastic bins, lawn gear, and holiday decorations.
What hidden fees do storage facilities charge?
Admin fee ($15 to $30 one-time), mandatory insurance ($10 to $20/month), lock purchase ($10 to $15), late fee ($20 to $50), and rate increases of 10 to 25% after the promotional period. A $99 advertised rate typically costs $128 to $160/month all-in.
How do I get the cheapest self storage price?
Take the first-month-free deal (offered almost universally), book outside the city centre (40-60% cheaper), choose drive-up over indoor (saves $20 to $60/month), and skip climate control where it is not needed. Negotiate when the promotional rate ends rather than accepting the increase.
How long can you keep a self storage unit?
Most leases are month-to-month with no minimum or maximum term. You can keep a unit indefinitely as long as you pay. Operators raise rates aggressively on long-tenured customers (often 10 to 25% within 3 to 6 months, then annually), so plan to negotiate or switch facilities.
Are storage prices going up in 2026?
National averages rose 3 to 5% in 2025 and are projected to rise 2 to 4% in 2026. Sunbelt cities (Austin, Phoenix, Nashville) are seeing larger increases driven by population growth. Midwest pricing is the most stable.
Independent guide
SelfStorageCost.com is not affiliated with Public Storage, Extra Space Storage, CubeSmart, U-Haul, or any storage operator. Pricing reflects 2026 national averages from public listings, facility surveys and aggregator data. Verify current rates with the operator before signing a lease.