How Much Does It Cost to Rent a Large Storage Unit?

Miles Mattingly
April 18th, 2025

If you're planning a move, downsizing, renovating your home, or just need extra space to store your belongings, a large storage unit can be a lifesaver. But one of the first questions people ask is: How much does it cost to rent a large storage unit? The answer depends on several factors including size, location, features, and rental duration. In this blog, we’ll break down what “large” typically means, how pricing works, and what to expect when budgeting for a unit.

What Is Considered a Large Storage Unit?

Storage unit sizes vary, but a large storage unit is generally considered to be any unit that is 10x15 feet or larger. Common large unit sizes include:

10x15 (150 sq ft): Can typically hold the contents of a two-bedroom apartment.
10x20 (200 sq ft): Fits the contents of a three-bedroom house or a vehicle.
10x30 (300 sq ft): Can store the contents of a four- or five-bedroom home, including large appliances and furniture.

These larger units are ideal for families, homeowners going through transitions, or businesses with equipment or inventory to store.

Average Cost of a Large Storage Unit

The cost of a large storage unit can vary significantly depending on where you live, the facility you choose, and the features it offers. Here are some national average price estimates:

10x15 unit: $130 to $200 per month
10x20 unit: $160 to $250 per month
10x30 unit: $200 to $300+ per month

These are just average ranges—prices can be higher in urban areas like New York City or San Francisco, and lower in smaller towns or rural regions.

Factors That Affect Storage Unit Prices

Several elements impact the price of a large storage unit:

1. Location

Urban centers and high-demand regions usually have more expensive storage options. A unit in Los Angeles or Miami may cost twice as much as one in a smaller town just an hour away.

2. Indoor vs. Outdoor Access

Outdoor units with drive-up access are convenient for loading and unloading but may be more expensive in some locations. Indoor units, while generally more secure, may require using hallways and elevators.

3. Climate Control

If you’re storing items like electronics, antiques, artwork, or documents, a climate-controlled unit is essential. These units protect your belongings from temperature and humidity changes but usually cost about 20–50% more than standard units.

4. Security Features

Facilities with gated access, video surveillance, alarmed units, and on-site staff typically charge more. However, for peace of mind—especially when storing high-value items—it can be worth the extra cost.

5. Rental Terms

Month-to-month leases tend to be more flexible, but some facilities offer discounts for long-term commitments. Ask if there are promotions for first-time renters, such as “first month free” or discounted introductory rates.

Additional Costs to Consider

In addition to the base rental fee, there may be other costs associated with renting a large storage unit:

Administrative or setup fees: Usually a one-time fee between $10 and $25.
Insurance: Some facilities require you to carry insurance on stored items. This can cost $10–$30 per month, depending on the coverage level.
Locks: You may need to purchase a special lock, which typically runs $10–$20.
Late Fees: Be sure to pay on time—facilities often charge late fees after just a few days past due.

How to Save Money on Storage

If you're looking to minimize storage expenses, here are some tips:

Shop around: Don’t just go with the closest facility—compare prices online or by calling.
Use discounts: Look for promotions like student, military, or senior discounts.
Downsize if possible: If you can declutter or organize efficiently, you might be able to rent a slightly smaller unit.
Share a unit: If you only need part of a unit, consider splitting the cost with a friend or family member.
Negotiate: Some facilities may offer price matches or custom deals if you ask.

Is a Large Storage Unit Worth It?

A large storage unit in Chesterfield is often worth the investment for short- or long-term needs. It provides flexibility during life transitions and keeps your belongings safe and accessible. Whether you’re staging a home for sale, managing a construction project, or storing seasonal equipment, having that extra space can reduce stress and make life more manageable.Just be sure to evaluate your needs carefully. Not everyone needs a 10x30 unit for a few boxes of holiday decorations. But if you have a full home’s worth of furniture or are running a business that needs inventory space, the right storage unit can be a smart, cost-effective solution.

Final Thoughts

So, how much does it cost to rent a large storage unit? The answer ranges anywhere from $130 to $300+ per month, depending on size, features, and location. By considering your specific needs and shopping wisely, you can find a unit that fits both your space and your budget.