FindStorageFast shows live pricing at 6 Diamond Bar storage facilities. You can compare, filter, and reserve the unit you want in under two minutes. The cheapest unit available right now is $43.00/month at Extra Space Storage - 0223 - Walnut - E Walnut Drive So — no credit card needed to reserve a unit.
Not sure what size you need? A 5×5 unit is about the size of a large closet. With prices that start at $43.00/month, this option works well for boxes, seasonal decorations, and small furniture. 5×10 units start at $73.00/month and fit a studio apartment. The popular 10×10 is big enough for a two-bedroom apartment. The cheapest 10x10 in Diamond Bar is $116.25/month at CubeSmart Self Storage - Diamond Bar. The market average is $150.17/month. 6 facilities in Diamond Bar offer this commonly booked size.
For quick and easy loading, 5 storage operators in Diamond Bar offer drive-up access with ground-level units which allow you to pull your vehicle right up to your unit door. These handy units start at $87.00/month at Extra Space Storage - 1096 - Walnut - E Valley Blvd.
| Unit Size | Average Price | Lowest Price |
|---|---|---|
| 5' x 5' | $61.63 | $43.00 |
| 5' x 10' | $85.25 | $73.00 |
| 10' x 10' | $150.17 | $116.25 |
| 10' x 15' | $265.67 | $249.75 |
| 10' x 20' | $279.25 | $217.00 |
| 20' Vehicle Storage | $80.00 | $80.00 |
| 25' Vehicle Storage | $228.97 | $109.00 |
| 30' Vehicle Storage | $333.71 | $128.00 |
| 35' Vehicle Storage | $333.11 | $175.00 |
| 40' Vehicle Storage | $279.43 | $134.00 |
| Climate Controlled | $84.20 | $71.40 |
| Drive-Up Access | $289.48 | $87.00 |
Filter by size, amenity, and price to find the right unit and reserve online in minutes. No credit card required.
| Unit Size | Average Price | What Fits |
|---|---|---|
| 5'x5' | $61.63 | Closet, boxes, seasonal |
| 5'x10' | $85.25 | Studio, mattress set |
| 10'x10' | $150.17 | 1-bedroom apartment |
| 10'x15' | $265.67 | 2-bedroom home |
| 10'x20' | $279.25 | 3-bedroom house, vehicle |
If you've got a vehicle that doesn't fit in your garage, isn't allowed in your driveway, or just needs a safer place to sit between uses, vehicle storage is built for exactly that. FindStorageFast tracks 4 facilities offering vehicle storage in Diamond Bar, so you can see what's actually available before booking.
A few things tend to drive what you'll pay: how long your vehicle is, whether you want a covered or open-air space, and how central the facility's location is. The price gap between a small space and a large one can be significant, so it's worth knowing your vehicle's exact length before booking rather than defaulting to a bigger space "just in case." Smaller vehicles in the 30-foot-and-under range start from $80.00/month, while larger vehicles needing 30 feet or more start from $128.00/month.
Sorting listings by price makes it easy to see exactly what you'd pay before reaching out — the lowest priced option in Diamond Bar right now is $60.00/month at Public Storage - San Bernardino - 5185 Hallmark Pkwy. Confirming the size and rate ahead of time helps avoid surprises at move-in.
Diamond Bar has 5 drive-up options listed, and pricing is worth checking closely since rates can vary by facility. Drive-up units are ground-level spaces where you park directly at the door — a practical fit for furniture, tools, and heavy items that are easier to load straight from a vehicle.
The lowest current rate for drive-up storage in Diamond Bar is $87.00/month at Extra Space Storage - 1096 - Walnut - E Valley Blvd, against a market average of $289.48/month.
To find climate controlled storage in Diamond Bar, use the filter panel above to narrow results to facilities offering temperature and humidity regulation. FindStorageFast lists 2 climate controlled facilities across Diamond Bar, with prices averaging $84.20/month and the lowest currently at $71.40/month at CubeSmart Self Storage - Walnut - 301 South Lemon Creek Dr.
Climate control is not necessary if you are storing outdoor equipment, plastic storage bins, and metal tools. But for furniture, leather, artwork, electronics, business records, or anything stored long-term, climate controlled storage is recommended. The cheapest climate controlled unit in Diamond Bar right now is $71.40/month.
FindStorageFast shows storage facilities in Diamond Bar sorted by distance from your location. Compare live prices at 6 facilities starting at $43.00/month. View unit sizes, amenities like climate control and drive-up access. See current availability and book the best prices online for free.
Yes - at least 4 storage facilities in Diamond Bar offer outdoor parking for car, boat, and RV storage. Some facilities offer covered parking or drive-up storage to help protect your vehicle from the elements. Drive-up and covered options generally cost more than regular outdoor parking spaces.
On July 23, 2026 the average cost of a 10 x 10 storage unit in Diamond Bar was $150.17 per month, while the cheapest 10 x 10 storage unit is $116.25 per month at CubeSmart Self Storage - Diamond Bar.
Storage prices in Diamond Bar vary by size and location. Small 5 x 5 units start at $43.00 monthly, popular 10 x 10 units begin at $116.25/month and large 10 x 20 units start at $217.00. Climate-controlled units generally come at a 10-15% premium. Compare exact pricing across all Diamond Bar facilities on FindStorageFast.
Depends what you're storing. Electronics, wood furniture, photos, and anything leather needs climate control or it'll warp, crack, or grow mold. Metal tools, plastic stuff, and outdoor furniture? You're fine without it. In Diamond Bar, climate control averages $84.20/month. Only pay the premium if most of your stuff actually needs protection.
Yes, FindStorageFast lets you compare and reserve storage units online across Diamond Bar. View real-time availability, compare pricing at 6 facilities, read reviews, and book instantly. No calling multiple locations – reserve your unit in 2 minutes with an immediate confirmation.
The average price for a climate controlled storage unit in Diamond Bar on July 23, 2026 is $84.20 per month. Prices vary depending on unit size and facility location. You can find the cheapest climate controlled storage unit in Diamond Bar at CubeSmart Self Storage - Walnut - 301 South Lemon Creek Dr for $71.40 per month.
Storage units work well for most household items, furniture, seasonal goods, and business inventory. Facilities restrict flammable materials (gasoline, propane, paint thinner, chemicals), perishable food, plants, animals, and illegal items. Firearms, ammunition, and valuable items like jewelry vary. Some facilities prohibit them entirely, while others allow them with restrictions. Storing prohibited items can violate your lease agreement and result in access restrictions. Review your lease's prohibited items section to avoid issues.
Yes. Unit size has the biggest impact—small units start at $43.00/month while large units start at $265.67/month. Location and amenities, such as climate control, drive-up access, and 24/7 access also increase monthly pricing. Facilities in downtown Diamond Bar, generally cost more than those in nearby suburban areas.
A 5 x 5 storage unit (walk-in closet size) fits a small bedroom or dorm room. A 5 x 10 holds a one-bedroom apartment. A 10x10 fits a two-bedroom apartment with furniture. Use FindStorageFast's size guide to compare options across Diamond Bar facilities.
