Free Self-Storage Cost Calculator

100% Free No Sign-Up Localized by ZIP

Use this calculator to calculate the cost of self-storage near you for free. Enter your ZIP code for a localized estimate.

Rental Duration

Enter how many months you'll rent the storage unit. Self-storage is billed monthly; many rentals are 1-6 months, but some are longer.

Unit Size:

Climate Control:

Access Type:

Additional Services:

Insurance / Protection (+$12/month)
Moving Labor / Help (+$200)
Moving Truck (Day) (+$80)
Boxes / Packing Supplies (+$60)
One-Time Admin Fee (+$30)
Lock Purchase (+$20)

Estimates are instant and require no contact information.

Based on inputs, your Self Storage project cost is approximately:

$120

Note that the cost above is purely an estimate.
The actual cost may be higher or lower depending on the contractor's quote.

How Much Does Self-Storage Cost?

Self-storage is billed monthly, typically $50 to $300+/month — so the total is the rate times how many months you rent. Unit size is the biggest driver: 5x5 ~$50, 10x10 ~$120, 10x15 ~$175, 10x20 ~$220, 10x30 ~$300 per month.

Climate control adds about 35% and access typeshifts it (outdoor −20%, indoor +10%). Beyond rent, budget for a one-time admin fee, a lock, and insurance, plus a truck, packing supplies, and moving help to move in. Most facilities are month-to-month with move-in specials. Enter your details above, then read on for what drives the number.

Self-Storage Cost by Unit Size

Average Monthly Rate by Unit Size

Unit SizeMonthly RateHolds About
5x5 (Closet)$40 – $75A closet of boxes & small items.
10x10$90 – $180~1-bedroom apartment.
10x15$130 – $250~2–3 rooms.
10x20$180 – $350House / garage / vehicle.
10x30$250 – $450+Large 3–4 bedroom house.

Source: Aggregated self-storage facility rate data; ranges reflect standard, non-climate, drive-up units and vary widely by region and demand. Model base rates: 5x5 $50, 10x10 $120, 10x15 $175, 10x20 $220, 10x30 $300 per month, then climate and access multipliers apply; prices localize to your ZIP.

Climate, Access & Common Add-Ons

OptionCost EffectNotes
Climate-Controlled+35%Selection: vs. standard unit.
Outdoor Parking / Indoor Upper-Floor−20% / +10%Selection: vs. drive-up access.
Insurance / Protection+$12/monthAdd-on: often required; own policy may cover.
Moving Labor / Help+$200Add-on: load / unload help.
Moving Truck (Day)+$80Add-on: transport items.
Boxes / Packing Supplies+$60Add-on: boxes, tape, padding.
One-Time Admin Fee+$30Add-on: setup fee at move-in.
Lock Purchase+$20Add-on: often required; can bring your own.

Source: Aggregated facility pricing. Climate and access are selections that scale the monthly rate; the six add-ons are line items you can toggle in the calculator (insurance recurs monthly; the rest are one-time).

The 6 Factors That Drive Your Quote

1. Rental Duration

Self-storage is billed monthly with no long-term commitment, so the total is simply the monthly rate times the number of months. Many rentals are short-term (1–6 months during a move or renovation), while others run ongoing. Because you pay by the month, the cheapest strategy is to rent only as long as you truly need — and to declutter rather than pay to store low-value items whose cumulative rent can exceed their worth. Note that introductory or promo rates can rise after the first months, so the long-run monthly rate may be higher than the headline.

2. Unit Size

Size is the biggest cost driver, with the monthly rate scaling by the unit's footprint. A 5x5 (~$50/mo) holds a closet of boxes; a 10x10 (~$120/mo) fits roughly a one-bedroom apartment; a 10x15 (~$175/mo) holds two to three rooms; a 10x20 (~$220/mo) holds a house, garage, or vehicle; and a 10x30 (~$300/mo) holds a large house. Inventory your big items and pack efficiently to fit the smallest workable unit — but leave room to access things and don't cram so tightly you risk damage. Right-sizing is the single best way to control the monthly cost.

3. Climate Control

A climate-controlled unit costs about 35% more but holds a steady temperature and humidity year-round, protecting sensitive items from warping, cracking, mold, and rust. It's worth it for wood and leather furniture, electronics, documents, photos, artwork, instruments, and media — and matters more in extreme climates and for long-term storage. For tough, non-sensitive items stored short-term in a mild climate (tools, metal/plastic furniture, vehicles), a standard unit is fine and cheaper. Match the unit to the value and sensitivity of what you're protecting.

4. Access Type

How you reach the unit affects both convenience and price. Drive-up access lets you pull right to the door for easy loading — the standard, convenient baseline. Outdoor/vehicle parking is the cheapest (about −20%) for cars, boats, and RVs, but the most exposed. Indoor or upper-floor units (about +10%) are reached through the building and elevators — less convenient for heavy loads but better protected from weather and dust, and usually where climate control lives. Pick based on what you're storing and how often you'll need to get to it.

5. Fees & Insurance

The headline rent isn't the all-in cost. Expect a one-time admin/setup fee (~$30), a required lock (buy for ~$20 or bring your own), and insurance/protection (~$12/month) — many facilities require coverage, though your homeowner's or renter's policy may already cover off-site storage. Ask for the all-in number up front (rent plus admin, lock, and insurance), and whether the advertised rate is introductory and how it rises. These small fees add up, especially on a short rental where the one-time charges are a bigger share of the total.

6. Move-In Costs

Getting your things to the unit is a separate cost from the rent. A moving truck for the day (~$80) transports items, moving labor/help (~$200) loads and unloads (worth it for heavy furniture or a bad back), and boxes and packing supplies (~$60) protect belongings in transit and storage. Drive-up access minimizes the carrying, and moving yourself saves the labor cost if you're able. Budget these companion costs alongside the monthly rent so the move-in doesn't blindside your storage budget.

Get the Storage You Need for Less

Storage is easy to overspend on. A few choices decide whether you pay for what you use — or for empty space and rate creep.

Right-size, then skip what you don't need

The unit size is the biggest cost, so pack efficiently and rent the smallest workable unit. And skip climate control for durable items in a mild climate — reserve it for furniture, electronics, and documents.

Watch the fine print

  • Ask if the rate is introductory — a cheap first month can jump after the promo period.
  • Use your own insurance if it covers off-site storage instead of the facility's plan.
  • Bring your own lock where allowed, and confirm the admin fee up front.

Don't store what you should sell

Because you pay every month, the cumulative rent on low-value items can exceed what they're worth. Declutter, sell, or donate before renting, and rent only for as long as you genuinely need the space.

Choosing a Storage Facility

Prices vary a lot between facilities for the same unit, so it pays to compare on total cost and terms, not just the headline rent. Before you reserve:

  • Ask for the all-in cost — rent plus admin fee, required lock, and insurance.
  • Confirm security and access hours — gates, cameras, lighting, and whether the hours fit your schedule.
  • Ask about rate increases and the move-out notice policy so you're not caught out later.

What to compare between facilities

  • The unit size, monthly rate, and any move-in special (and how long it lasts).
  • Whether the unit is climate-controlled and the access type (drive-up, indoor, outdoor).
  • The required fees — admin, lock, and insurance — and whether your own policy qualifies.
  • The location, security, and access hours relative to how often you'll visit.

Methodology & Sources

This calculator estimates cost by taking a monthly base rate by unit size (5x5 $50, 10x10 $120, 10x15 $175, 10x20 $220, 10x30 $300), applying a climate-control multiplier (climate-controlled +35%) and an access multiplier(outdoor parking −20%, indoor/upper-floor +10%), multiplying by your rental duration in months, and then adding any add-ons(insurance $12/month, moving help $200, truck $80, packing supplies $60, admin fee $30, lock $20). The result is adjusted to your ZIP code's cost level. In short: Months × (Unit Rate × Climate × Access) + Add-ons, × Regional Factor. Rates reflect aggregated facility pricing and vary widely by region, facility, and demand; introductory rates may rise after the promotional period.

Data sources:

For a full explanation of how every calculator on this site is built and localized, see our methodology page.

About the Reviewer

NB
Nathan Brooks

Licensed General Contractor

General contractor specializing in remodels, additions, and whole-home renovations.

View full profile & credentials →

Frequently Asked Questions

Self-storage units typically cost $50 to $300+ per month depending on size, climate control, location, and access. Rough monthly ranges by size: a 5x5 (closet-sized) is about $40–$75; a 5x10 about $60–$110; a 10x10 (~one-bedroom apartment) about $90–$180; a 10x15 about $130–$250; a 10x20 (house/garage) about $180–$350; and a 10x30 (large house) about $250–$450+. The unit size is the biggest driver, followed by whether it's climate-controlled (roughly 25–50% more than standard), the location (urban costs far more than rural/suburban), and the access type (drive-up vs. indoor/upper-floor vs. outdoor parking). Most facilities bill month-to-month with no long-term commitment, and many run move-in specials like a discounted or free first month. Beyond rent, budget for a one-time admin fee, a required lock, and insurance. This calculator multiplies the monthly rate by your rental length and adds those fees — set your months, size, climate, and access above for a localized estimate.

Match the unit to what you're storing. A 5x5 (25 sq ft, closet-sized) holds a few boxes, small furniture, or seasonal items. A 5x10 (50 sq ft) holds a studio's worth or a few furniture pieces plus boxes. A 10x10 (100 sq ft) is the popular size for roughly a one-bedroom apartment or a couple of rooms. A 10x15 (150 sq ft) holds about two to three rooms or a small house. A 10x20 (200 sq ft, ~a one-car garage) holds a multi-bedroom house's contents, a garage's worth, or a vehicle. A 10x30 (300 sq ft) holds a large 3–4 bedroom house. To choose, inventory your big items, consider how efficiently you'll pack (stacking boxes and disassembling furniture saves space), and leave a little room to access things. When in doubt, sizing up slightly makes loading easier — but don't over-rent and pay for empty space. Measuring or listing your large furniture is the best way to pick accurately. This calculator lets you compare 5x5 through 10x30.

A climate-controlled unit costs roughly 25–50% more (about +35% here) but is worth it for temperature- and humidity-sensitive belongings. It maintains a moderated temperature and often humidity year-round, protecting items from the heat, cold, and moisture swings that cause warping, cracking, mold/mildew, and rust. It's worth it for wood and leather furniture, electronics and appliances, documents, books and photos, artwork and antiques, musical instruments, vinyl and media, and clothing — and it matters more in extreme climates and for long-term storage. For sturdy, non-sensitive items stored short-term in a mild climate — tools, garden equipment, metal/plastic furniture, vehicles, or general household goods — a standard unit usually suffices and saves money. Weigh the value and sensitivity of your items, your local climate, and how long you'll store: for valuable or sensitive items kept a while, climate control is cheap insurance; for tough items or short stints, standard is the economical choice. Climate-controlled units are also usually indoors, adding dust and pest protection.

They differ in convenience, protection, and cost. Drive-up units are ground-level and let you pull your vehicle right to the roll-up door like a garage — the most convenient for loading and unloading, especially heavy or numerous items, and they're typically standard (non-climate) at a standard price. Indoor units are entered from inside the building via hallways and often elevators; you carry items from your vehicle through the building, which is less convenient for heavy loads, but they offer more protection from weather, dust, and often better security, and they're usually where climate-controlled units are — so they tend to cost a bit more (about +10% for upper floors here). Outdoor/vehicle parking spaces are open or covered lots for cars, boats, RVs, and trailers — the cheapest option (about −20%) but with the least protection unless covered. Choose drive-up for easy loading of household goods, indoor (often climate-controlled) for protecting sensitive items and added security, and outdoor parking for vehicles or weather-tolerant items. This calculator lets you pick outdoor parking, drive-up, or indoor/upper-floor.

Yes — the advertised rent usually isn't the all-in cost. Common extras: a one-time administration/setup fee (often $20–$30+) when you start; a lock, which most facilities require (buy theirs for ~$10–$20 or bring your own, sometimes a specific disc lock); and insurance/protection, which many facilities require — you can often use your homeowner's/renter's policy if it covers off-site storage, or buy the facility's plan (a recurring ~$10–$30/month). Watch for introductory-rate increases: a low 'first month free' or promo rate can rise after the promotional period or with periodic increases, so the long-term cost may exceed the headline rate — always ask. There can also be late fees and move-out-notice fees. To avoid surprises, ask for the all-in cost (rent plus admin, lock, and insurance), clarify the insurance requirement and whether your existing policy covers it, ask whether the rate is introductory and how it increases, and compare facilities on total cost, not just the headline rent. This calculator includes admin fee, lock, and insurance add-ons so you can estimate the true all-in number.

The biggest savings come from a few moves. Right-size the unit — don't pay for space you won't use; pack efficiently (stack boxes, disassemble furniture, use uniform boxes) to fit a smaller, cheaper unit, but don't cram and risk damage. Skip climate control for durable, non-sensitive items stored short-term in a mild climate. Consider location — suburban or rural facilities are often cheaper than prime urban ones, and if you won't visit often, a slightly farther facility saves money. Use specials — many facilities offer a free or discounted first month, online-reservation deals, autopay/prepay discounts, and long-term discounts, so ask and compare. Shop multiple facilities, since prices vary a lot for similar units. Minimize the duration — you pay monthly, so rent only as long as you truly need, and declutter or sell/donate rather than paying to store low-value items (the cumulative rent can exceed their worth). Watch for rate increases and consider switching or negotiating if yours climbs. Use your own insurance if it covers storage, bring your own lock if allowed, and move yourself instead of hiring help when feasible.

Facilities prohibit certain items for safety, legal, and practical reasons, and the specific list is in your rental agreement. Commonly banned: hazardous materials — anything flammable, combustible, toxic, or explosive, such as gasoline, propane, oil, kerosene, paint, chemicals, fireworks, and fertilizers (a fire and safety risk). Perishable food that can spoil, rot, or attract pests. Living things — no people, pets, animals, or plants. Stolen or illegal items and illegal drugs. Weapons and ammunition are often restricted or prohibited, and explosives always are. Wet or damp items that could grow mold, and scented or unsealed items that attract pests. Facilities also advise against storing cash, irreplaceable valuables, or important originals (insurance may limit coverage). Vehicles usually must be registered and not leaking fluids. Before storing, check the facility's prohibited-items list, and prepare items properly — clean, dry, sealed, and drained of fuel for equipment. Violating the rules can mean penalties, eviction from the unit, liability, or denied insurance claims. Most everyday household goods are fine; the restrictions target hazards, perishables, living things, and illegal items.

Self-storage is a flexible, month-to-month way to keep belongings during a transition. For a move, it bridges gaps — when there's a lag between moving out and moving in, when downsizing, when staging a home for sale (clearing excess furniture so it shows better), or when a long-distance move needs temporary storage. You rent a unit, move items in yourself or with movers, and retrieve them when ready; portable containers (PODS-style) are an alternative that combine moving and storage. For a renovation, storage protects furniture and belongings from dust, damage, and the construction zone — you clear the rooms being worked on (or the whole house for a big project) into a unit and move everything back when it's done, which is especially handy for kitchen/bath remodels, flooring, and painting. To use it well: estimate your volume and pick the right size, consider climate control for sensitive items or longer stays, choose drive-up for easy loading, rent only for the months you need, and pack and label carefully. Budget the monthly rent plus any truck, supplies, and moving help.