National Portable Storage Association

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Guides to the portable storage business

Straight answers for operators starting or growing a portable storage company, and for customers renting or buying their first unit.

Operators

For operators and suppliers

How to start a portable storage business

How to start a portable storage business: startup costs, fleet size, delivery trucks, licenses, permits, and a first-90-days plan for new operators.

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Shipping container grades explained: One-trip, IICL, cargo worthy, and WWT

Shipping container grades explained for operators: one-trip, IICL, cargo worthy, wind and water tight, as-is, and what a CSC plate does and does not prove.

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Shipping container sizes and dimensions for rental fleets

Shipping container dimensions for rental fleets: 20 ft, 40 ft and high cube sizes, interior space, door openings, tare weights, pallets, and handling.

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How to price a container rental fleet

Container rental pricing for operators: monthly rates, delivery fees, utilization, payback math, and add-on fees, with public ranges and a worked example.

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Container delivery equipment: Tilt-bed, roll-off, side-loader, and crane trucks

Container delivery truck types compared: tilt-bed, flatbed, hooklift, side-loader, and crane trucks, with site clearance, CDL basics, and a site checklist.

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Permits, zoning, and HOA rules for container rental operators

Storage container permits, zoning limits, and HOA rules for operators: what local codes cover, who pulls the permit, and a pre-delivery checklist.

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Insurance for portable storage companies: What coverage to ask about

Portable storage business insurance explained: main policies, inland marine versus property cover, sample cost data and questions to ask your agent.

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Container modifications for rental: Doors, windows, lock boxes and HVAC

Container modifications for rental fleets: doors, windows, lock boxes, insulation and HVAC, plus what cutting steel does to strength and the CSC plate.

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Buying containers wholesale: A buyer's guide for operators

Buy shipping containers wholesale with confidence: where operators source units, grades and published price bands, inspection checks and delivery costs.

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Safety and compliance for container delivery: DOT, FMCSA, CDL and OSHA

FMCSA requirements for container delivery explained: when you need a USDOT number or CDL, inspection and record rules, and OSHA basics for your yard.

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Customers

For storage customers

Portable storage container sizes: What size do you need?

Storage container sizes explained: 8, 12, 16, 20 and 40 ft units, high cube, what fits in each, and how to pick a size when sources and providers disagree.

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Rent or buy a storage container? How to decide

Rent vs buy storage container: compare monthly rent, purchase prices, delivery, site needs and the break-even point so you can choose with real numbers.

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How much does portable storage cost? Monthly rent, fees and totals

Portable storage container rental cost explained: typical monthly rent, delivery fees, move pricing and extra charges, with sourced ranges and a checklist.

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How to prepare your site for a storage container delivery

Storage container ground preparation made simple: surface, slope, truck space, overhead wires and a day-before checklist so your delivery goes smoothly.

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Do you need a permit or HOA approval for a container in your driveway?

Storage container permit driveway rules: when you may need a city permit, what an HOA can restrict, and how to check before delivery. Rules are local.

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Moving container or rental truck? How to choose for your move

Moving container vs truck: compare cost, who drives, loading time, storage and space needs, with sourced price ranges to help you pick the right option.

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How to choose a portable storage provider: What to ask before you rent

How to choose a portable storage company: compare written quotes, ask about fees, coverage, delivery and the contract, and check reviews and registrations.

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What not to store in a portable storage container

What can't you store in a portable storage container? Learn which items are usually banned or risky, from food and propane to batteries and heirlooms.

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For the industry

Grow your portable storage business with NPSA

Members get event rates, the Community Forum, the directory listing and leads from this website.

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