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Storage units in San Mateo County, CA - 56 listings with over 802 spaces

Prices start at just $20. See the latest San Mateo County storage market trends

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

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

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

Browse storage units in all California cities.

Average storage prices in San Mateo County (updated June 2026)

With prices starting at $20, you’ll find everything from compact locker-sized units to large spaces for cars, RVs or household goods.

Prices typically vary depending on the unit size and whether it’s climate controlled.

Unit SizeNon-Climate-Controlled UnitsClimate-Controlled Units
5x5$152$157
5x10$235$236
10x10$373$380
10x15$485$493
10x20$641$638
10x30$912$911
20x30$1,329$1,329
Average (all sizes)$589$592

Note: Street rate data provided by Yardi Matrix.

Cheap storage units in San Mateo County

58% of local storage listings are priced below the city’s average, giving you plenty of budget-friendly options.

  • Small storage units (perfect for boxes, seasonal items, or a studio apartment) start as low as $80
  • Medium storage units (great for 1- to 2-bedroom homes) are available from just $132
  • Large storage units (ideal for multi-room moves or business inventory) start around $264
Cheap storage units
5x5 $80/mo

Bair Island Mini Storage - 633 Bair Island Road, Redwood City, CA 94063

Cheap storage units Cheap storage units
10x10 $132/mo

Public Storage - 2250 South Delaware Street, San Mateo, CA 94403

Cheap storage units Cheap storage units Cheap storage units
10x20 $264/mo

Public Storage - 2250 South Delaware Street, San Mateo, CA 94403

Types of storage available in San Mateo County

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 San Mateo County, you can rent a non-climate-controlled storage unit for an average of $589 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.

You’ll find 21 self storage facilities in San Mateo County offering climate-controlled units in a variety of sizes and price points.

The average rate for a 10'x10' climate-controlled storage unit in San Mateo County is around $380 per month — a smart investment to ensure your valuables stay protected.

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.

Top storage facilities in San Mateo County

The top self storage providers in the area include Extra Space Storage at 3601 Junipero Serra Blvd, Extra Space Storage at 999 East Bayshore Road, and Extra Space Storage at 871 Willow Street, These facilities feature some of the most highly reviewed storage units in San Mateo County.

  • Customers consistently appreciate locations with strong security measures, such as 24-hour video surveillance and electronic gate access.
  • Climate-controlled units are also valued for protecting sensitive items from temperature fluctuations.
  • Additionally, drive-up access and extended operating hours are frequently praised for the convenience they offer.

How to choose the right storage unit in San Mateo County

Here are a few simple things to keep in mind when choosing a storage unit in San Mateo County:

  • 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.