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Storage units in Seattle, WA

954 available units | 62 facilities | Average street rate: $163

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How much is a storage unit in Seattle?

The average price for a storage unit in Seattle, WA is about $163 per month. Rates vary depending on unit size, amenities, and location.

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

Average Storage Unit Prices (September 2026)

Unit SizeNon-Climate ControlledClimate ControlledAll Unit Types (Average)
5x5$78$70$75
5x10$112$125$118
10x10$191$177$186
10x15$254$252$253
10x20$347$301$330
10x30$504$553$516
20x30$1,150-$1,150
Average (All Sizes)$376$246$375
*Average monthly rates for Seattle, WA, in September 2026

How to find the cheapest storage in Seattle?

When looking for cheap storage units in Seattle, timing can make a big difference. Seattle storage prices tend to be lowest in February, averaging around $187. In contrast, August is typically the most expensive time for self storage in Seattle, with rates reaching up to $201.

Price & Availability Index for Seattle Storage Units

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

Monthly storage unit street rates in Seattle
MonthUnitsAverage price
Aug 20255,232$201
Sep 20255,270$200
Oct 20255,346$196
Nov 20255,381$194
Dec 20255,557$190
Jan 20265,581$189
Feb 20265,684$187
Mar 20265,729$187
Apr 20265,773$188
May 20265,780$188
Jun 20265,793$189
Jul 20265,793$191

The chart above offers a clear month-by-month look at Seattle 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 Seattle 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 Seattle, consider renting during the off-season when demand drops and availability improves.

What drives storage prices in Seattle?

Street rates for storage units in Seattle vary by unit size, facility location, and local demand. Added features like climate control, 24/7 access, and enhanced security can affect monthly costs. Discounts for long-term rentals or first-time customers may also reduce overall rates.

  • 5x5 storage units in Seattle start at as low as $37 for non-climate-controlled spaces and $11 for climate-controlled ones. This is the most affordable option for those needing extra space for boxes, small furniture, or seasonal décor.
  • 10x10 storage units in Seattle are available starting from $98 for non-climate-controlled units and $32 for climate-controlled options. As the most rented unit size, it's a cost-effective solution that fits the contents of a one-bedroom apartment, ideal for moving or remodeling projects.
  • 10x20 storage units in Seattle begin at $125 for non-climate-controlled spaces and $104 for climate-controlled ones. These are the lowest rates for large units, which can accommodate furniture from a multi-room home or even a vehicle, offering both space and great value.

Minimum prices are based on active listings in October, 2026.

Actual rates may vary depending on market availability and facility pricing updates.

What types of specialized storage can you rent in Seattle?

Seattle offers a variety of specialized storage options designed for vehicles and recreational equipment. Whether you need a secure spot for your car, RV, or boat, local facilities provide outdoor, covered, and indoor climate-controlled spaces to keep your investment protected year-round.

Car Storage

Car storage in Seattle offers a safe, convenient way to keep vehicles off your driveway when not in use. Choose between outdoor (open or covered) and indoor storage. Unit sizes typically range from 10’x15’ for compact cars to 10’x30’ for larger trucks, with rates averaging around $267 per month.

RV Storage

With RV storage in Seattle , you can park your motorhomes and trailers securely between trips. Facilities offer options from outdoor parking to fully enclosed, climate-controlled units. Prices average around $397 per month, but can vary based on size, amenities, and proximity to highways or lakes.

Boat Storage

Boat storage in Seattle provides an ideal off-season home for your watercraft. You can choose between outdoor and indoor climate-controlled storage options. Unit sizes range from 10x20 to 10x30, with average rents around $357 per month, depending on location and features.

Frequently Asked Questions

How much does self storage cost in Seattle?

On average, a Seattle storage unit costs around $163/month. Prices vary by unit size, amenities, and neighborhood. A non-climate-controlled unit typically costs around $160/month, while a climate-controlled unit averages about $155/month.

The lowest storage prices in Seattle start at $11/month for a 5′×5′ self storage unit — perfect for renters seeking budget-friendly options.

The cheapest month to rent storage in Seattle is February, when average rates drop to around $187/month. Booking during this time can help you save more.

Neighborhoods like Riverview, Olympic Hills, and North Queen Anne generally offer the lowest storage rates in Seattle. These areas tend to be more affordable as they are located farther from the city center, where demand — and prices — are higher.

In Seattle, climate-controlled storage can actually be cheaper than standard units, with average rates about 5% lower. This makes them a smart choice for protecting items from heat and humidity at a lower cost.

Yes, some storage facilities in Seattle 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.

Based on 18,576 reviews, storage customers in Seattle rated their experience an impressive 4.5. This excellent score highlights consistently strong satisfaction with Seattle storage facilities, from customer service to overall convenience.