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Storage units in Union City, CA, and nearby area - 30 listings with over 270 spaces

Prices start at just $11.

Not sure what size you need? See our size guide!

Not sure what size you need? See our size guide!

Check out storage units in nearby cities:

Need more options? Browse storage units in other California cities!

Browse storage units in all California cities.

Cheap storage units in Union City

  • Small storage units (perfect for boxes, seasonal items, or a studio apartment) start as low as $96
  • Medium storage units (great for 1- to 2-bedroom homes) are available from just $207
  • Large storage units (ideal for multi-room moves or business inventory) start around $391
Cheap storage units
5x5 $96/mo

Public Storage - 33476 Alvarado Niles Road, Union City, CA 94587

Cheap storage units Cheap storage units
10x10 $207/mo

Public Storage - 2525 Whipple Road, Hayward, CA 94544

Cheap storage units Cheap storage units Cheap storage units
10x20 $391/mo

Public Storage - 2525 Whipple Road, Hayward, CA 94544

Types of storage available in Union City

Standard Non-Climate Controlled Units: Non-climate-controlled storage units are suitable for items that aren't sensitive to humidity or temperature fluctuations. These units may be located either inside a building or outdoors – outdoor units often feature drive-up access for convenient loading and unloading.

In Union City, you can rent a non-climate-controlled storage unit for an average of $162.00 per month.

Climate-Controlled Units: Climate-controlled units maintain consistent temperature and humidity levels year-round, protecting everything from electronics and wooden furniture to antiques, artwork, books and important documents.

Vehicle Storage Options: Perfect for outdoor adventurers, seasonal travelers and classic car collectors, specialized storage spaces offer a secure place to store cars, SUVs, vans, RVs, boats and other types of vehicles.

Boat Storage in Union City

Boat storage in Union City averages $379 per month, with rates depending on location, availability, and the type of space — outdoor, covered or fully enclosed. Many facilities offer secure access, room for trailers and wide drive aisles for easy parking. Whether for off-season or year-round storage, there’s a solution to fit your boat and budget.

👉 Check current prices and available boat storage units in Union City.

How to choose the right storage unit in Union City

Here are a few simple things to keep in mind when choosing a storage unit in Union City:

  • Think about the weather
  • If you’re storing things like electronics, wooden furniture or photos, go with a climate-controlled unit to keep them safe.
  • Check when you can get in
  • Need late-night access? Some places offer 24/7 entry, while others stick to regular business hours. Make sure you pick a facility whose opening hours work for your schedule.
  • Make sure it feels secure
  • Look for places with gated access, security cameras and someone on-site. It’s your stuff — you want it protected.
  • Shop around for deals
  • Prices can vary a lot. It’s worth checking a few places – some even offer discounts for your first month.
  • See what others are saying
  • Online reviews can give you the real scoop on customer service, cleanliness, and how a facility treats its renters.
  • Don’t forget about insurance
  • Most storage places require it. Some offer it themselves, or you might already be covered through your renters or homeowners insurance.

Take a few minutes to check these things off your list, and you’ll be set up with a storage unit that actually works for you — without overpaying or guessing.

Frequently asked questions

How safe is self storage?

Most self storage facilities have some level of security, often including surveillance cameras and gated access. Popular security features include video surveillance and secure entry systems. Know that the facility comes with a strong security setup can give you confidence that your belongings are safe until you need them again.

Methodology Note: Self storage data - including pricing and unit information - is analyzed and curated by RentCafe Self Storage. Statements reflect local market coverage and storage availability trends within the area.

Data sources: RentCafe Self Storage Research, Yardi Matrix, U.S. Census.