Jeff
Fantastic customer service
Thank you for sharing your feedback, Jeff.. We're glad to hear you had a great customer service experience with our team at Extra Space Storage.
Extra Space Storage (10/5/2026)
Google Review
Extra Space Storage at 3480 Mills Branch Dr
1 / 7
5.0
- New Customer:
- Current Customer: (281) 747-8865
Today's Hours
Access:6:00 AM - 10:00 PM
Office:Closed
1 / 7
5.0
Extra Space Storage at 3480 Mills Branch Dr
- Current Customer: (281) 747-8865
- New Customer:
Today's Hours
Access:6:00 AM - 10:00 PM
Office:Closed
Select a Unit Below
Small
5' x 5'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$35
WEB RATE
$20
Small
10' x 4'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$53
WEB RATE
$31
LIMITED UNITS
Small
5' x 10'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$66
WEB RATE
$40
LIMITED UNITS
Small
10' x 5'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$66
WEB RATE
$40
Small
8' x 10'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$100
WEB RATE
$60
ACT FAST: 1 LEFT!
Medium
5' x 20'
- 1st Floor Access
- Climate Controlled
- Indoor
- Multi-Door Unit
Size Help
IN STORE
$127
WEB RATE
$79
ACT FAST: 1 LEFT!
Medium
10' x 10'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$127
WEB RATE
$79
Medium
10' x 15'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$179
WEB RATE
$111
Medium
5' x 30'
- 1st Floor Access
- Climate Controlled
- Indoor
- Multi-Door Unit
Size Help
IN STORE
$179
WEB RATE
$111
ACT FAST: 1 LEFT!
Large
10' x 20'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$234
WEB RATE
$153
LIMITED UNITS
Large
10' x 20'
- 1st Floor Access
- Climate Controlled
- Indoor
- Multi-Door Unit
Size Help
IN STORE
$234
WEB RATE
$153
LIMITED UNITS
Large
10' x 20'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$234
WEB RATE
$153
Large
10' x 30'
- 1st Floor Access
- Climate Controlled
- Indoor
Size Help
IN STORE
$338
WEB RATE
$241
Large
10' x 30'
- 1st Floor Access
- Climate Controlled
- Indoor
- Multi-Door Unit
Size Help
IN STORE
$338
WEB RATE
$241
Units Available Nearby
4' x 5'
Available now at 2900 Mills Branch Dr, Kingwood, TX 77345 starting at $9/mo
20' x 5'
Available now at 2900 Mills Branch Dr, Kingwood, TX 77345 starting at $164/mo
12' x 25'
Available now at 2900 Mills Branch Dr, Kingwood, TX 77345 starting at $218/mo
Nearby Locations
Convenient Self Storage Near You in Porter
Located northwest of the intersection of Mills Branch Dr and Woodstream Village Dr, Extra Space Storage serves residents of Porter, Kingwood, Kings Manor, Atascocita, Humble, New Caney, and more. Locals will recognize our facility a couple minutes northwest of Amigos Little Learners.
Available Storage Unit Sizes
Our storage units on Mills Branch Dr range in size from 25 square feet to 300+ square feet to accommodate a variety of residential and commercial storage needs. You also choose from storage features like indoor access, first-floor access, elevator access, and drive-up access!
Drive-Up Storage Units
Conveniently and quickly access your stored items when you opt for a drive-up storage unit in Porter, TX! This feature allows you to pull your car up next to your storage space, making it easier to move bulky, heavy items in and out.
Climate-Controlled & Heated Storage
Need to store temperature-sensitive items? Climate control can help protect your belongings from extreme temperature changes. These units typically maintain a storage environment between 55 and 80 degrees throughout the year.
Exceptional Security Features
At our 3480 Mills Branch Dr storage facility, you’ll find storage units backed by advanced security measures like video surveillance and electronic gate access. We care about your valued belongings.
Other Amenities & Services
Extended access hours are standard
Sturdy moving carts available for heavy, bulky items
Multiple entrance gates
Elevators for easy access to upper levels
Accommodates trucks larger than 20 feet
Wide-drive aisles to accommodate large moving trucks
Gate access on Sundays
Electrical access in units
Deliveries accepted
On-site office
ADA compliant
Cheap Self Storage in Porter
If you need an affordable self storage solution in Porter, Extra Space Storage at 3480 Mills Branch Dr has what you’re looking for! We offer cheap storage units with prices as low as $20, plus move-in deals like first month free and first month half-off at select locations when you reserve your unit online!
The Self Storage Partner You Can Trust
Searching for reliable and high-quality self storage? Extra Space Storage has your back. Our expert team is ready to answer any questions and help you find the best storage solution for your needs. Contact us today to reserve a storage unit in Porter!
Company
Employees: 1-10
Payment Options: MasterCard / VISA / American Express / Discover / Check / Cash / Invoice
Established Date: 1977
Site Number: 5266
Phone Number:(281) 845-9164
Hours
Access
- Monday:6:00 AM - 10:00 PM
- Tuesday:6:00 AM - 10:00 PM
- Wednesday:6:00 AM - 10:00 PM
- Thursday:6:00 AM - 10:00 PM
- Friday:6:00 AM - 10:00 PM
- Saturday:6:00 AM - 10:00 PM
- Sunday:6:00 AM - 10:00 PM
Office
- Monday:9:30 AM - 6:00 PM
- Tuesday:9:30 AM - 6:00 PM
- Wednesday:9:30 AM - 6:00 PM
- Thursday:9:30 AM - 6:00 PM
- Friday:9:30 AM - 6:00 PM
- Saturday:9:00 AM - 5:30 PM
- Sunday:Closed
Directions
Intersections/Landmarks
Mills Branch Dr and Dogwood Ln
Directions from the North
Drive south on TX-494 Loop S. Turn left onto Ford Rd. Turn left onto Mills Branch Dr. Our facility will be on your left after Hueni Rd.
Directions from the South
Drive north on TX-494 Loop N. Turn right onto Northpark Dr. Turn left onto Mills Branch Rd. Our facility will be on your right after Dogwood Ln.
Directions from the East
Drive northwest on Mills Branch Dr. Pass Woodstream Village Dr and continue driving northwest on Mills Branch Dr. Our facility will be on your right after Dogwood Ln.
Directions from the West
Drive east on Northpark Dr. Turn left onto W Lake Houston Pkwy. Turn right onto Mills Branch Rd. Our facility will be on your left after Hueni Rd.
Frequently Asked Questions at 3480 Mills Branch Dr
Can I rent a storage unit for 1 month at Extra Space Storage on Mills Branch Dr?
Yes! Storage units at our 3480 Mills Branch Dr storage facility offer both long-term and short-term self storage options with month-to-month leases! Customers can rent a unit for as short as one month or longer if they need it!
Can I use a storage unit as a gym in Porter, TX?
Unfortunately, Extra Space Storage at 3480 Mills Branch Dr does not allow customers to use a storage unit as a gym. While you can store workout equipment in a storage unit, working out in one creates a liability issue.
How hot can a storage unit get in the summer in Porter, TX?
Storage units without climate control will typically reach hotter temperatures than what's recorded outside of our storage facility at 3480 Mills Branch Dr during the summer. If you plan on storing sensitive items at Extra Space Storage, consider renting a storage unit with climate control to better protect your items from extreme temperature changes.
How far in advance do I need to reserve a storage unit?
Extra Space Storage at 3480 Mills Branch Dr allows customers to reserve self storage units up to 14 days in advance. There's no minimum requirement!
What type of lock do I need for a storage unit?
At Extra Space Storage, we require all customers at our 3480 Mills Branch Dr location to have a secure lock for their storage unit. You can even purchase locks at our storage facility. Contact us today to learn more about which locks we require for our storage units!
*Promotional Terms & Conditions and Size Disclaimer
Reviews
5.0 stars
3 Reviews
Jose
Jada was so helpful showing me sizes, property looks good.
Jose, thank you for sharing your experience with us. We're glad to hear Jada was helpful in finding the right size for your needs and that you noticed our clean property. We'll be sure to pass your kind words along to Jada and the Extra Space Storage team.
Extra Space Storage (10/8/2026)
Google Review
D
Great experience with my new storage unit. The facility is clean, secure, and easy to access. The staff was friendly and helpful, and the whole process was quick and hassle-free. Definitely recommend!
Thank you for sharing your experience and for recommending Extra Space Storage. We're glad to hear that the move-in process was quick and easy, and that our team provided friendly, helpful service. We appreciate your support!
Extra Space Storage (10/2/2026)
Google Review
