Large Storage Units in Seguin, TX
1328 C H Matthies Jr, Seguin, TX 78155
Large drive-up storage units (10'x20' and 25'x50') at Mount Storage Seguin: room for a whole house, a vehicle, or a business’s equipment and inventory.
- Units from $59/moReg.
$104/moFall Special · 3 months - Gate accessible 5 AM–11 PM daily
- Move in Same day, 7 days a week
Online prices are move-in specials for your first 3 months.
Hablamos español: llame o envíe un texto al (830) 433-6148. Ver esta ubicación en español
Seguin large storage unit prices
Every large unit at Mount Storage Seguin with today’s online rate. Choose a unit and select Rent now to check out in a few minutes.
Fall Special First Three Months Promo Rate on select units. Book online to lock it in.
10' × 20' Lowest price
Large · Drive-up
Fits a 3–4 bedroom house
10' × 20'
Large · Drive-up, exterior
Fits a 3–4 bedroom house
10' × 20'
Large · Drive-up with electricity
Fits a 3–4 bedroom house
No units of this type are available right now. Try another size, or join the waitlist below.
1 size is full right now
25' × 50'
Large · Warehouse
Fits business inventory and equipment
$1,315/mo
Join waitlist
Live online prices, updated Oct 20, 2026 9:06 pm. Where a regular rate is shown, the online price is a move-in special for the months listed. Taxes and move-in costs are shown at checkout before you pay.
Size you need is full? Join the waitlist
Choose a size below and select Join waitlist. We’ll contact you as soon as one opens up.
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Large Storage Units at Mount Storage Seguin
Our 10×20 drive-up units, some with electricity, fit a 3–4 bedroom home, a car, or a contractor’s tools and materials.
Mount Storage Seguin is at 1328 C H Matthies Jr, convenient to I-10, SH 123 and SH 46, and serves McQueeney, Geronimo, Marion, Kingsbury and New Braunfels.
Large units in Seguin are a few minutes from I-10 by way of TX 46, so trucks and trailers have an easy run in and out. They fit a whole house during a move or remodel, a vehicle, or a contractor’s tools and stock. From downtown, take Court Street west about a mile and a quarter and turn right on Fleming Drive.
- Available now: 10'x20'
- Waitlist: 25'x50'
- Online prices from $59/mo
- Electricity available: 10'x20'
- Gate accessible 5 AM–11 PM daily
- Rent online and move in the same day, 7 days a week
What fits
- 10’x20′: A one-car garage: a three- or four-bedroom home, or a car.
- 10’x25′ to 10’x30′: About a 1.5-car garage: a four-bedroom home, or a car plus boxes.
- 12’x30′ and up: Two-car-garage territory: a large home, vehicles, trailers, or contractor and ranch equipment.
Drive-up access means you can back a truck or trailer to the door. Plan a center aisle so you can reach the back. Still not sure? See the size guide or call (830) 433-6148.
Google rating · Seguin4.7★★★★★Based on 100 reviews
Randy E. Godard
★★★★★
Securing a Lease for a Storage unit is not alway easy from a long distance. Jose Garcia made the entire process very much easier.
Meli Nichole
★★★★★
Clean, secured, easy sign up and reasonable pricing
David Valdez
★★★★★
A very nice company to do business with! Clean and affordable and they are great at keeping up with communication.
Large Storage Units in Seguin: FAQs
How much does a large storage unit cost in Seguin, TX?
At Mount Storage Seguin, online prices for large storage units start at $59 a month. Where a regular rate is shown, the online price is a move-in special for your first 3 months. The price table on this page lists every size with today’s rate.
What fits in a 10’x30′ storage unit?
A 10’x30′ is about a 1.5-car garage. It holds a four-bedroom home, a car with room to spare, or a business’s inventory and equipment. The size guide has every size.
Can I drive up to my unit?
Yes, most units at this location are drive-up, so you can park at the door and unload straight from your truck or trailer.
How do I rent?
Choose a unit on this page and select Rent. You’ll pick your move-in date, e-sign the lease, upload a photo ID and pay your first month’s rent (prorated), a one-time admin fee and a refundable security deposit. Checkout shows every amount before you pay. Your gate code arrives by email, and you can move in the same day, 7 days a week.
Do I need insurance?
Yes. The lease requires coverage for your belongings. Add tenant protection at checkout, from $12 a month, or use your own homeowner’s or renter’s policy.
How do I reach you?
Call or text (830) 433-6148 Mon–Fri 8 AM–8 PM, Sat–Sun 9 AM–5 PM, or email info@mountstorage.com. You can rent online any time.
