Picking a storage unit size is the step most people get wrong. Go too small and you're playing Tetris with a couch in the parking lot. Go too big and you pay every month for air. This guide walks through every unit size we offer at AA Personal Storage in Parowan, what realistically fits in each, and how to choose the right one whether you live in Parowan, Cedar City, Paragonah, Summit, Enoch, or up the canyon in Brian Head.
All of our units are ground level with drive-up access, the facility is paved right up to every unit door, and rentals are month to month. That makes sizing easier: if you guess wrong, you can change units instead of being locked into a long contract.
Use this as a starting point, then read the size-by-size details below.
| What you're storing | Size to start with |
|---|---|
| Boxes, seasonal decor, a few small pieces of furniture | 5x10 or 5x12.5 |
| A dorm room or studio apartment | 5x10 or 5x12.5 |
| One to two bedrooms of furniture | 10x10 |
| A two- to three-bedroom home | 10x15 |
| A three- to four-bedroom home | 10x25 or 14x20 |
| A large home with appliances, or a business inventory | 15x20 or 20x26 |
| A boat, RV, or trailer | Outdoor parking space (10x30 or 12x40) |
A good rule: add up your big furniture first, then add about 20 percent extra space so you can leave a walking aisle down the middle. You'll thank yourself later when you need something from the back.
Here's what's on our Rent page right now. Rates are monthly, and availability changes often, so check the Rent page for live pricing before you head over.
| Unit size (W x L x H, ft) | Square feet | Monthly rate* | Good for |
|---|---|---|---|
| 5 x 10 x 9 | 50 | $40 | Small bedroom, boxes |
| 5 x 12.5 x 9 | 62.5 | $50 | Small bedroom plus extra boxes |
| 10 x 10 x 9 | 100 | $65 | Family room or two bedrooms |
| 10 x 14 x 9 (walk-in door, inside lighting) | 140 | $65 | Three bedrooms of furniture |
| 10 x 15 x 9 or 10 x 15 x 10 | 150 | $75 | Three bedrooms plus large items |
| 10 x 25 x 9 | 250 | $125 | Multi-bedroom house |
| 14 x 20 x 10 or 14 x 20 x 11.5 | 280 | $145 | Multi-bedroom house, tall items |
| 15 x 20 x 10 | 300 | $155 | Multi-bedroom house, wide door |
| 20 x 25 x 9 | 500 | $200 | Four-bedroom house with appliances |
| 20 x 26 x 12 | 520 | $210 | Four-bedroom house, about a 40 ft moving van load |
| Outdoor Boat/RV/Trailer parking, 10 x 30 | 300 | $30 | Trailers, boats, shorter RVs |
| Outdoor Boat/RV/Trailer parking, 12 x 40 | 480 | $40 | Longer RVs and trailers |
*Rates as listed on our Rent page in October 2026. Some sizes run a waiting list. Outdoor parking is uncovered.
Now let's look at what actually fits.
A 5x10 is about the size of a large walk-in closet: 50 square feet with a 9-foot ceiling. It holds the contents of a small bedroom, including a queen bed, a dresser, a TV, and several small to medium boxes.
It's a great fit for:
One thing to plan around: the 5x10 and 5x12.5 units have a roll-up door about 3.7 feet wide. Most dressers and mattresses go through fine, but measure wide items like sectional pieces before moving day.
The 5x12.5 adds 12.5 square feet over the 5x10, which is usually enough for an extra stack of boxes, a bike, or a small table. If you're right on the edge between "a few boxes" and "a whole bedroom," this size gives you breathing room for $10 more a month.
The 10x10 is the most searched storage size for a reason. At 100 square feet with a 9-foot ceiling, it holds the contents of a family room or two full bedrooms, plus several small to medium boxes. Think a couch, a loveseat, a coffee table, a TV stand, two beds, and dressers.
The 10x10 also has a much wider door, about 8.5 feet, so couches and bed frames slide in without a fight. It's the sweet spot for:
Our 10x14 walk-in has an oversized walk-in door (about 3.5 feet wide) and is the one unit type on our Rent page listed with inside lighting. It fits about three bedrooms of furniture. Because it has a walk-in door instead of a roll-up, it works best for boxes, files, shelving, and furniture that fits through a regular doorway. It often has a waiting list, so ask about it early.
A 10x15 gives you 150 square feet. It fits the contents of three full bedrooms plus larger items such as a piano, couches, tables, or large-screen TVs, along with medium and large boxes. We have 10x15 units with both 9-foot and 10-foot ceilings, so if you stack tall or have tall shelving, ask for the 10-foot version.
This is the size most families choose when they're between homes, like when a house in Parowan closes before the new place in Cedar City is ready.
At 250 square feet, a 10x25 holds the contents of a multi-bedroom house, including oversized items like a couch, a refrigerator, a washer and dryer, a dining room set, and plenty of boxes. Its long, narrow shape is easy to load from front to back: put what you need least at the back and work forward.
The 14x20 gives you 280 square feet and comes in 10-foot and 11.5-foot ceiling heights. That extra height matters for tall bookcases, stacked bed frames, and lots of boxes. It holds a multi-bedroom house with major furniture and appliances.
The 15x20 (300 square feet) has the widest door we offer, about 11.5 feet. If you're storing wide furniture, a big workbench, shelving units, or palletized business inventory, that wide door makes loading much easier. (See our guide on storing items on pallets.)
Our biggest units are 500 and 520 square feet. The 20x26 has a 12-foot ceiling and holds about what a 40-foot moving van would: the contents of a four-bedroom house with major appliances. These work well for:
One important note: we don't allow vehicles to be stored inside the enclosed units, even the big ones. For cars, trucks, boats, RVs, and trailers, use our outdoor parking spaces.
If you live in Parowan Valley, there's a good chance you own something with a hitch. We offer outdoor Boat/RV/Trailer parking in two sizes:
All of our outdoor parking is uncovered. The facility is right off I-15, so you can pull your trailer out and be on the freeway in minutes, whether you're heading to Lake Powell or up UT-143 toward Brian Head and Panguitch Lake.
Measure your rig from the tongue or hitch to the rear bumper, ladder, or spare tire before you pick a space. Those extras add more length than most people expect.
Want to see where each unit sits on the property? Check our facility map.
We're at 450 N 600 W in Parowan, tucked right up against I-15. That makes us an easy stop for:
Get directions to our Parowan facility.
The 10x10 is the size most people ask about. It holds about two bedrooms of furniture, or a one-bedroom apartment, and its wide roll-up door makes loading furniture easy.
At AA Personal Storage, enclosed units range from $40 a month for a 5x10 to $210 a month for a 20x26, and outdoor Boat/RV/Trailer parking starts at $30 a month (rates as listed in October 2026). Check our Rent page for current pricing.
Not in our enclosed units. We don't allow vehicles inside them. Cars, trucks, boats, RVs, and trailers go in our outdoor parking spaces, which come in 10x30 and 12x40 sizes.
No. All rentals are month to month, so you can move to a different size or move out when you're ready.
Yes. You can rent online, and you'll get move-in instructions by email or text right away. If you'd like to talk to someone, call us at (435) 447-4777.
Because rentals are month to month, you can switch to a different available unit. Call us at (435) 447-4777 and we'll help you find a better fit.
Still not sure which unit is right? Call us at (435) 447-4777, email hello@aapersonalstorage.com, or see live rates and availability and rent online in a few minutes. AA Personal Storage is locally owned and operated in Parowan, with 24/7 access, drive-up units, and month-to-month rentals for Parowan, Cedar City, Brian Head, and all of Iron County.
