Updated 3/11/2019

This page contains statistics about the U.S. self-storage industry compiled by The SpareFoot Storage Beat. Statistics on this page will be updated as we receive new data. If you have data that you’d like to share or have a question about data on this page, please email editor@sparefoot.com.

Self-storage sector snapshot

U.S. self-storage sector snapshotData
Annual industry revenue$38 billion
Number of storage facilities (range)45,000-52,000
Total rentable self-storage space1.7 billion square feet
Self-storage space per person5.4 square feet
Percentage of households that rent a self-storage unit9.4 percent
Average monthly cost for a self-storage unit$88.85

Average monthly construction spending on self-storage facilities

The chart below shows construction spending by month, according to the U.S. Census bureau. Figures are not adjusted for inflation.

Number of self-storage facilities in the U.S.

Between 45,547 (Self-Storage Almanac, 2019) and 52,000 (Self Storage Association, 2018). Sources vary depending on definition and methodology.

Industry ownership is fragmented, with 18% of facilities owned by the six largest public companies, 9% owned by the next top 100 operators (minus the REITs), and 73% owned by small operators. (Self-Storage Almanac, 2019)

Largest self-storage operators (publicly traded) in the U.S. (by annual revenue)

  1. Public Storage: $2.75 billion (2018)
  2. Extra Space Storage: $1.2 billion (2018)
  3. CubeSmart: $597.94 million (2018)
  4. Life Storage: $550.85 million (2018)
  5. U-Haul: $323.9 million (fiscal 2018 – self-storage revenue only)
  6. National Storage Affiliates Trust: $330.89 million (2018)

Data from most recently reviewed company earnings reports.

Largest self-storage operators in the U.S. (by number of facilities, owned or managed)

  1. Public Storage: 2,429
  2. Extra Space Storage: 1,647
  3. U-Haul: 1,519
  4. CubeSmart: 1,084
  5. Life Storage: 744
  6. National Storage Affiliates Trust: 675

Data from most recently reviewed company earnings reports. U-Haul number reported by AMERCO March 2019.

Self-storage revenue growth by quarter (REITs)

Amount of rentable self-storage space in the U.S.

1.7 billion square feet (Self-Storage Almanac, 2019)

Amount of rentable self-storage space per person in the U.S.

5.4 square feet per person (Self-Storage Almanac, 2019)

Percentage of U.S. households that rent a self-storage unit

9.4% of households. (SSA Self Storage Demand Study, 2017)

Average storage unit cost

The national average cost for all unit sizes is $88.85 per month, according to SpareFoot data. (2018)

The national average cost per square foot is $0.96 per month. (2018)

Below is the average national cost by storage unit size.

Unit sizeAverage monthly cost (2018)$/sq.ft.Year-over-year change

Using our data we’ve identified the 10 most expensive cities for storage, and the 10 cheapest cities. You can view them here.

Self-Storage Data by State:

Use the links below to find detailed storage data by state.

NevadaNew HampshireNew Jersey
New MexicoNew YorkNorth Carolina
North DakotaOhioOklahoma
OregonPennsylvaniaRhode Island
South CarolinaSouth DakotaTennessee
VirginiaWashingtonWest Virginia


Self Storage Association
Seeking Alpha
Self-Storage Almanac
Inside Self-Storage
MJ Partners
Public Storage
Extra Space Storage
Sovran Self Storage (Life Storage)

Alexander Harris