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Storage units in Mill Valley, CA, and nearby areas

160 available units | 20 facilities

See Local Prices by Unit Size
  • Contactless
    4.8/5 - 248 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
    5' x 10' Small $312/mo
    8' x 20' Medium $353/mo
  • 3.8/5 - 4 Reviews

    • Indoor
    • 24 hour access
    • Drive-Up Access
  • 4.5/5 - 13 Reviews

    • Climate-Controlled
    • Indoor
    • 24 hour access
    3' x 4' Small $40/mo
    8' x 16' Medium $281/mo
    8' x 40' Large $40/mo
  • 5/5 - 1 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
    5' x 5' Small $135/mo
    10' x 20' Large $555/mo
  • Contactless
    4.8/5 - 118 Reviews

    • Climate-Controlled
    • Indoor
    • Drive-Up Access
    5' x 5' Small $152/mo
    10' x 10' Medium $417/mo
  • How much space do you need?

    Use our calculator to quickly find the right unit size for your belongings.

    Find My Unit Size
  • Contactless
    3.9/5 - 36 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
    4' x 4' Small $26/mo
    8' x 20' Medium $550/mo
  • 4.7/5 - 95 Reviews

    • Indoor
    • Drive-Up Access
    • Onsite Manager
    4' x 5' Small $124/mo
  • 5/5 - 3 Reviews

    • Indoor
    • Drive-Up Access
    • Onsite Manager
  • 3.2/5 - 9 Reviews

    • Indoor
    • Drive-Up Access
    • Onsite Manager
    4' x 5' Small $89/mo
    10' x 10' Medium $244/mo
    10' x 20' Large $437/mo
  • 4.4/5 - 35 Reviews

    • Climate-Controlled
    • Indoor
    • Drive-Up Access
    5' x 5' Small $82/mo
    10' x 10' Medium $262/mo
    10' x 20' Large $436/mo
  • 5/5 - 72 Reviews

    • Drive-Up Access
    • Retail Available
    • Onsite Manager
    4' x 5' Small $190/mo
  • 4.3/5 - 19 Reviews

    • Drive-Up Access
    • Onsite Manager
    • Security Camera
    10' x 19' Medium $646/mo
    10' x 20' Large $680/mo
  • 4.4/5 - 45 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
    5' x 4' Small $132/mo
    10' x 10' Medium $409/mo
  • 4.8/5 - 25 Reviews

    • Climate-Controlled
    • Indoor
    • Drive-Up Access
    5' x 5' Small $155/mo
    10' x 10' Medium $389/mo
    10' x 25' Large $945/mo
  • Contactless
    4.7/5 - 61 Reviews

    • Indoor
    • Retail Available
    • Onsite Manager
    5' x 5' Small $222/mo
    10' x 10' Medium $535/mo
  • Contactless
    4.8/5 - 113 Reviews

    • Indoor
    • Drive-Up Access
    • Onsite Manager
    5' x 7' Small $114/mo
    10' x 12' Medium $445/mo
    10' x 24' Large $899/mo
  • Contactless
    4.7/5 - 344 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
    5' x 5' Small $145/mo
    8' x 20' Medium $299/mo
  • 5/5 - 4 Reviews

    • Drive-Up Access
    • Onsite Manager
    • Security Camera
    8' x 5' Small $105/mo
    8' x 20' Medium $260/mo
  • 3.5/5 - 13 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
  • 4.5/5 - 48 Reviews

    • Indoor
    • Drive-Up Access
    • Retail Available
    8' x 4' Small $69/mo
    10' x 13' Medium $327/mo

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How much is a storage unit in Mill Valley?

Smaller units typically cost less, while larger, climate-controlled, or specialty units tend to command a premium.

Average Storage Unit Prices (October 2026)

Unit SizeAll Unit Types (Average)
5x10$326
10x10$463
10x15$629
Average (All Sizes)$473
*Average monthly rates for Mill Valley, CA, in October 2026

How to find the cheapest storage in Mill Valley?

When looking for cheap storage units in Mill Valley, timing can make a big difference. Mill Valley storage prices tend to be lowest in September, averaging around $334. In contrast, June is typically the most expensive time for self storage in Mill Valley, with rates reaching up to $353.

Price & Availability Index for Mill Valley Storage Units

Click any point to view month-specific storage unit prices and availability at local facilities.

Monthly storage unit street rates in Mill Valley
MonthUnitsAverage price
Aug 202551$336
Sep 202551$334
Oct 202554$339
Nov 202554$340
Dec 202554$339
Jan 202654$338
Feb 202654$340
Mar 202654$339
Apr 202655$344
May 202657$351
Jun 202657$353
Jul 202657$349

The chart above offers a clear month-by-month look at Mill Valley storage rental prices, helping you see exactly when it's cheapest to book a unit. By planning and renting during the low-demand months, you'll increase your chances of locking in the best deal on storage.

These seasonal shifts in self storage costs in Mill Valley are closely tied to moving trends. Summer is peak moving season, which drives demand - and prices - higher. If you want to secure the most affordable storage in Mill Valley, consider renting during the off-season when demand drops and availability improves.

Frequently Asked Questions

What is the cheapest storage unit price in Mill Valley right now?

The lowest storage prices in Mill Valley start at $312/month for a 5′×10′ self storage unit — perfect for renters seeking budget-friendly options.

The cheapest month to rent storage in Mill Valley is September, when average rates drop to around $334/month. Booking during this time can help you save more.

Yes, some storage facilities in Mill Valley offer 24/7 access so you can reach your unit anytime. Before renting, check the facility's business hours or access policy to ensure it matches your schedule. Round-the-clock access is ideal if you need flexibility or plan to visit your unit outside standard hours.