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Storage true cost · San Antonio, TXWhat a storage unit in San Antonio really costs
San Antonio listings advertise non-climate 10x10 units from about $27, while typical street rates run about $90–$98/month. Metro asking rents are down about 5% year over year and more supply is still opening, but once the move-in special ends and the first existing-customer increase lands, the six-month average still clears the advertised rate.
Estimates, not live quotes. Built from public price pages (sources below; data as of Aug–Oct 2026 (StorageCafe, StorageUnitCosts, Storage Stats)). Your facility, unit and move-in date will differ — always ask for the full move-in total and the rate-change policy in writing.
Renters say
Asking for the rate-increase policy in writing was the most useful thing I did before signing.
The quote looked cheap until I added the lock, the fee and the protection plan — then it was the priciest of the three.
Paraphrased and anonymized from public renter forums and social posts.
True cost by unit size
| Size | 6-month true average | Advertised / month | After first increase | Notes |
|---|---|---|---|---|
| 5x5 | ~$59/morange $56–$60 rent only $42 | $41avg of 2 sources promos from $20 | ~$53range $47–$57 | Locker / closet size. Fixed fees dominate the true cost at this size. Non-climate listings from about $20; climate-controlled from about $13. Climate-controlled street rate ~$42. |
| 5x10 | ~$76/morange $73–$78 rent only $59 | $58avg of 2 sources lowest promo: no public figure | ~$75range $67–$81 | Walk-in closet; studio overflow. No reliable lowest-promo figure published for this size (gap). Climate-controlled ~$62. |
| 10x10 | ~$113/morange $109–$117 rent only $97 | $95avg of 3 sources promos from $27 | ~$124range $109–$133 | Most rented size. City average $97, down 3% YoY (StorageCafe, Sep 2026); StorageUnitCosts lists $98, down 2.0% YoY (Aug 2026). San Antonio metro averages $90, down 5.1% YoY (Storage Stats). Climate-controlled ~$106. |
| 10x15 | ~$154/morange $147–$159 rent only $137 | $135single source — estimate lowest promo: no public figure | ~$176range $155–$189 | Two-bedroom contents. Estimate: single source (StorageCafe, Sep 2026). Climate-controlled ~$146. |
| 10x20 | ~$192/morange $183–$197 rent only $175 | $172avg of 2 sources promos from $45 | ~$224range $198–$241 | Three-bedroom home or a car. Climate-controlled ~$189. Non-climate listings from about $45. |
Month 1 at a 50%-off promo, months 2–4 at the typical market rate, months 5–6 after a 30% existing-customer increase (range shows +15% to +40%), plus a ~$29 admin fee and ~$12/month protection plan. How it works.
Live true-cost calculator
Prefilled with the typical San Antonio 10x10 rate ($95/mo). Change any number — or type in a real quote — and the true cost updates as you go.
Turn on JavaScript to use the live calculator. At the defaults, a San Antonio 10x10 averages about ~$113/mo over six months.
Sponsored: comparison links may become partner links; we may earn a commission if you book. It never changes these estimates.
Compare live quotes in San Antonio
Promotions change daily. Check two or three current listings before you reserve, and compare the month-4 rate, not the first month.
Partner links. We may earn a commission if you book; it never changes the estimates on this page.
How to avoid the promo trap
- Ask how long the rate is locked. "When is the earliest my rent can go up, and by how much was the last increase here?" Get it in writing.
- Ask for the full move-in total. Admin fee, required protection, lock, deposit, tax. A "$1 first month" can still cost $40–$80 to move in.
- Compare the month-4 price, not month 1. Run each quote through the calculator.
- Get two or three competing quotes for the same size and climate control, including at least one independent facility.
- Use your own insurance if allowed. Many renters and homeowners policies cover off-site storage; some facilities waive their plan with proof.
- Negotiate when the increase notice arrives. You usually get 30 days. Quote the current new-customer rate for your size and ask them to match it.
- Be ready to move or downsize. If the gap to the new-customer rate is large, a promo elsewhere can pay for a truck within two or three months.
- Prepay only if the rate is locked. Prepay discounts mean little if rent can still rise mid-term.
- Set a reminder for month three. That is when increase notices commonly start to arrive.
Notes for San Antonio
- StorageCafe lists Dignowity Hill (~$72), Nogalitos–South Zarzamora (~$82) and Ingram Hills (~$85) among the cheapest areas, while Forest Crest (~$261) and Midtown (~$250) run highest.
- San Antonio's all-unit average is lowest around December (~$139) and highest in August (~$142), StorageCafe — a small seasonal gap, so compare facilities rather than waiting for a cheaper month.
- About 589,000 sq ft of new storage is due in 2026 across 8 facilities (StorageCafe), after 844,000 sq ft opened in 2025. Newer buildings often lead with a steep move-in rate; ask what month 5 costs.
- The metro has roughly 9.4 sq ft of storage per person and 600+ facilities (Storage Stats), so a second and third quote are easy to get.
- Extra Space charges a $50 admin fee (per StorageUnitCosts), higher than our $29 default; adjust the calculator if your facility charges more.
Sources
- StorageCafe — San Antonio, TX self storage prices & stats (Sep 2026)
- StorageCafe — Storage units in San Antonio, TX (min listed prices and seasonality, Oct 2026)
- StorageUnitCosts — Storage unit prices in San Antonio (Aug 2026 rates, updated Oct 2026) and fees
- Storage Stats — San Antonio metro self-storage market data (updated Oct 28, 2026)
- Public Storage — Storage deals (promo terms; admin fee and other fees apply)
- LegalClarity — Existing customer rate increases (reported 30–40%, cases up to 56%)
Sources accessed and page updated 2026-10-29. If a number looks wrong, see the About page.