11 listings with more than 136 climate-controlled storage units in Cowlitz County, WA
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
Titan Self Storage - 1712 Westside Hwy, Kelso, WA 98626
- Climate-Controlled
- Drive-Up Access
- Retail Available
$60Small 5x5$139Medium 8x13$125Large 10x40
B & R Mini - Storage - 615 7th Avenue, Longview, WA 98632
- Climate-Controlled
- Indoor
- Drive-Up Access
$70Small 5x10$110Medium 10x10$100Large 12x20
Storages R Us - 124 River Ridge Lane, Kalama, WA 98625
- Climate-Controlled
- Indoor
- Drive-Up Access
$40Small 5x5$115Medium 10x10$105Large 12x20
Put It In Storage - 300 South Pinkerton Road, Woodland, WA 98674
- Climate-Controlled
- Indoor
- Drive-Up Access
Wood & Wood Storage - 1991 38th Avenue, Longview, WA 98632
- Climate-Controlled
- Drive-Up Access
- Retail Available
$49Small 5x5$145Medium 10x10$189Large 10x20
Nomad Storage - 104 Catlin Street, Kelso, WA 98626
- Climate-Controlled
- Indoor
- Drive-Up Access
$60Small 5x4$118Medium 10x13$195Large 10x20
U - Store Self Storage - 620 Mitchell Avenue, Woodland, WA 98674
- Climate-Controlled
- Drive-Up Access
- Onsite Manager
$41Small 5x5$91Medium 10x10$146Large 10x20
Longview Self Storage - 4420 Ocean Beach Hwy, Longview, WA 98632
- Climate-Controlled
- Indoor
- Drive-Up Access
Storage Court - 2239 Lewis River Road, Woodland, WA 98674
- Climate-Controlled
- Indoor
- 24 hour access
$93Small 10x5$78Medium 12x15$65Large 10x20
Northwest Self Storage - 1699 South 13th Avenue, Kelso, WA 98626
- Climate-Controlled
- Indoor
- Drive-Up Access
$102Small 5x5$259Medium 10x10$302Large 10x20
Ocean Beach Self Storage - 5800 Ocean Beach Hwy, Longview, WA 98632
- Climate-Controlled
- 24 hour access
- Drive-Up Access
$65Small 5x5$130Medium 10x10$50Large 10x23
Need more options? Browse storage units in other Washington cities!
- Seattle, WA from $21/mo
- Spokane, WA from $42/mo
- Tacoma, WA from $29/mo
- Vancouver, WA from $39/mo
- Bellevue, WA from $49/mo
- Kent, WA from $41/mo
- Everett, WA from $14/mo
- Spokane Valley, WA from $25/mo
- Renton, WA from $66/mo
- Federal Way, WA from $24/mo
- Yakima, WA from $85/mo
- Kirkland, WA from $69/mo
- Auburn, WA from $33/mo
- Kennewick, WA from $79/mo
- Pasco, WA from $35/mo
- Redmond, WA from $44/mo
- Marysville, WA from $25/mo
- South Hill, WA from $31/mo
- Sammamish, WA from $53/mo
- Lakewood, WA from $94/mo
Average storage prices in Cowlitz County (updated April 2026)
With prices starting at $40, 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 Size | Non-Climate-Controlled Units | Climate-Controlled Units |
|---|---|---|
| 5x5 | $75 | $63 |
| 5x10 | $98 | $99 |
| 10x10 | $140 | $147 |
| 10x15 | $182 | $170 |
| 10x20 | $187 | $186 |
| 10x30 | $230 | $230 |
| Average (all sizes) | $152 | $149 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in Cowlitz County, WA
Finding the right climate-controlled storage in Cowlitz County, WA is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Cowlitz County hovers around $149 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $63.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $230.
There are 11 facilities in Cowlitz County, WA offering climate-controlled storage options, ensuring you can find a unit that meets your needs.
Why you should use climate-controlled self storage?
Climate-controlled storage units maintain a consistent temperature throughout the year, regardless of the outside weather. This type of storage will protect your belongings from the damaging effects of extreme heat and cold.
Climate-controlled storage also manages humidity levels, preventing moisture-related damage like mold and mildew.
Whether you’re storing electronics, antiques, documents, or artwork, climate-controlled units offer the best environment to keep these sensitive items safe.

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.
What is climate-controlled storage?
Climate-controlled storage refers to a type of storage where temperature and humidity. The primary goal of climate control is to protect your belongings from environmental damage. Items that are sensitive or fragile, like furniture, appliances or antiques, aren't built to endure fluctuations in temperature and humidity. Without climate control, a standard self storage unit can expose these types of possessions to common damage like mold, mildew, rust, and corrosion.
What items cannot be put in storage?
Generally, avoid storing plants, food, live animals, hazardous and wet items among other. However, ask the facility you plan on renting from to find out the specific list of items that can't be put in storage.
Can I go to my storage unit anytime?
Access to your unit can vary depending on the facility. Some self storage locations offer 24/7 access, while others limit entry to specific operating hours that can vary. It's also a good idea to ask what their access schedule prior renting a unit to see if it matches your needs.
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.