Form: 10-K

Annual report pursuant to Section 13 and 15(d)

February 27, 2023

Exhibit 21.1

Subsidiaries
Subsidiary
d/b/a
Jurisdiction
2016 JV Property Holdings, LLC
Delaware
2016 MHC, LLC
Delaware
All Stor Asheville, LLC
Delaware
All Stor Carolina Beach, LLC
Delaware
All Stor Durham, LLC
Delaware
All Stor Indian Trail, LLC
Delaware
All Stor MH
Delaware
All Stor NC, LLC
Delaware
All Stor Prospect, LLC
Delaware
All Stor Swansboro, LLC
Delaware
All Stor Swansboro II, LLC
Delaware
Allen Storage Partners, LLC
StoreMore Self Storage
Texas
American Mini Storage-San Antonio, LLC
Delaware
Banning Storage, LLC
StoreMore Self Storage
Nevada
Bend-Eugene Storage, LLC
Oregon
Big Bend Xpress Holdings, LLC
Florida
Big Bend Xpress Storage, LLC
Florida
Bishop Road Mini Storage, LLC
Washington
Broadway Storage Solutions, L.L.C.
Arizona
Buck Investors, LP
Pennsylvania
Bullhead Freedom Storage, L.L.C.
StoreMore Self Storage; Freedom Storage
Arizona
 Canal Road Partners, LP
 Pennsylvania
 Carlsbad Airport Self Storage, LP
 California
Chelmsford, LLC
Delaware
 Colton Campus Pt., L.P.
California
 Colton CV L.P.
California
 Colton Duarte, L.P.
California
 Colton Encinitas, L.P.
California
 Colton Paramount, L.P.
California
 Colton Plano, L.P.
California
Corona Universal Self Storage, a California Limited Partnership
California
Eagle Bow Wakefield, LLC
Eagle Storage
Delaware
Eastpointe Storage, LLC
Delaware
Fletcher Heights Storage Solutions, L.L.C.
Arizona
Fontana Universal Self Storage, a California Limited Partnership
California
Forest Grove Mini Storage, LLC
Oregon
Forney Storage Partners LLC
StoreMore Self Storage
Texas
GAK, LLC
Cypress Mini Storage
California
Grand Prairie Storage Partners LLC
StoreMore Self Storage
Texas
Great American Storage Partners, LLC
Great America Storage
Delaware
Gresham Storage, LLC
Oregon
 GSC Indio Ltd.
California
 GSC Irvine/Main LP
California
 GSC Mesquite, LP
California
 GYC, LLC
Puerto Rico
 Handy Storage, LLC
Florida
Hesperia Universal Self Storage, a California Limited Partnership
California
Hide Away SPE, LLC
Delaware
Hide Away Storage Holdings, LLC
Delaware
Highway 97 Mini Storage, LLC
Oregon



Highway 99 Mini Storage, LLC
Oregon
ICDC II, LLC
Oregon
iStorage JV, LLC
Delaware
iStorage JV Bridgewater, LLC
Delaware
iStorage JV DuPont Highway, LLC
Delaware
iStorage JV Hickman Road, LLC
Delaware
iStorage JV Rancho Cordova, LLC
Delaware
 iStorage JV Miami, LLC
Delaware
 iStorage JV Miami Mezz, LLC
Delaware
iStorage JV Ridge Road, LLC
Delaware
iStorage JV Sunrise Monier, LLC
Delaware
iStorage Mezz, LLC
Delaware
iStorage PO, LLC
Delaware
iStorage TRS JV, LLC
Delaware
Jeffersonville Storage, LLC Delaware
Keepers Storage, LLC
Washington
Lewisville Storage LLC
Washington
Loma Linda Universal Self Storage, a California Limited Partnership
California
Madison Brookhaven, LLC
Delaware
Madison Eagle Drive, LLC
Delaware
Maizeland Storage, LLC
Colorado
Mini I, Limited
California
Moove In Partners-Centerville, LP
Pennsylvania
Moove In Partners-Lancaster, L.P.
Pennsylvania
Moove-in of Manheim, LLC
Wyoming
Moove-in of New Jersey, LLC
Wyoming
Moovein Properties II, LLC
Wyoming
Moovein, LLC
Wyoming
Murphy Storage Partners LLC
StoreMore Self Storage
Texas
National Storage Affiliates Management Company,
      LLC
Delaware
National Storage Insurance Solutions, Inc.
Utah
Northwest II Chief Manager, LLC
Delaware
NSA Acquisition Holdings, LLC
Delaware
NSA All Stor, LLC
Delaware
NSA All Stor Chief Manager, LLC
Delaware
NSA Americor Holdings, LLC
Delaware
 NSA BL PM, LLC
Delaware
NSA Buck GP, LLC
Delaware
NSA BV DR, LLC
Delaware
NSA Canal Road GP, LLC Delaware
NSA Centerville GP, LLC
Delaware
NSA Colton DR GP, LLC
A-1 Self Storage; StorAmerica Arcadia; El Camino Self Storage; All American Self Storage
Delaware
NSA Colton DR, LLC
Plano Self Storage; Crown Valley Self Storage; Paramount Self Storage; StorAmerica Duarte
Delaware
NSA Fanning Springs, LLC
Delaware
NSA GSC DR GP, LLC
Irvine Self Storage
Delaware
NSA GSC DR, LLC
StorAmerica Palm Springs I; Carlsbad Airport Self Storage; StorAmerica Indio
Delaware
NSA HHF JV, LLC
Delaware
NSA HHF JV Tennessee Holdco, LLC
Delaware
NSA HHF Member, LLC
Delaware
NSA HHF Non-Member Manager, LLC
Delaware
NSA HHF TRS, LLC
Delaware
NSA Holding Company I, LLC
Delaware
NSA Holding Company II, LLC
Delaware
NSA iStorage Member, LLC
Delaware



NSA iStorage TRS Member, LLC
Delaware
NSA Lancaster GP, LLC
Delaware
NSA MGMT CO GP, LLC
Delaware
NSA Northwest CMBS II, LLC
Delaware
NSA Northwest Holdings II, LLC
Old Mill Self Storage; AllStar Storage; A-1 Westside Storage
Delaware
NSA Northwest Holdings, LLC
Delaware
NSA OP, LP
Delaware
NSA OV PM, LLC
Delaware
NSA PM, LLC
Delaware
NSA Puerto Rico, LLC
Delaware
NSA Property Holdings, LLC
Delaware
NSA SecurCare CMBS I, LLC
Delaware
NSA SecurCare Holdings, LLC
Delaware
NSA Security Storage, LLC
NSA Security, LLC
Delaware
NSA SS PM, LLC
Delaware
NSA Storage Solutions, LLC
Delaware
NSA TI Licensing, LLC
Delaware
NSA TRS, LLC
Delaware
NSA Tustin Gateway GP, LLC
Delaware
NSA Universal DR, LLC
Delaware
NSA Villages Storage GP, LLC
Delaware
NSA-C Holdings, LLC
StorAmerica Hawaiian Gardens; StorAmerica Victorville-2; Statewide Storage; Country Club Self Storage
Delaware
NSA-Colton Holdings, LLC
Delaware
NSA-G Holdings, LLC
StorAmerica Montclair; Allsafe Freeway Storage; Leave It/Lock It Self Storage; StorAmerica Ontario; StorAmerica Palm Desert; StorAmerica Oceanside; StorAmerica Victorville
Delaware
NSA-GSC Colton Holdings, LLC
Delaware
NSA-GSC Holdings, LLC
Delaware
NSA-Northwest II, LLC
Delaware
NSA-Optivest Acquisition Holdings, LLC
StoreMore Self Storage; Fort Mohave Storage
Delaware
NSA-Optivest, LLC
Delaware
NSA-SecurCare Acquisition Holdings, LLC
Delaware
NSA-SecurCare, LLC
Delaware
NWSS Stor Rite LLC
Oregon
Oklahoma Self Storage GP, LLC
Delaware
Oklahoma Self Storage LP
SecurCare Self Storage
Colorado
Optivest Storage Partners of Austin, LLC
StoreMore Self Storage
Texas
PCB South, LLC
Florida
Rev Smart, L.P.
Florida
Safegard Mini Storage, LLC
Oregon
SAG Arcadia, LP
California
SAP-II YSI #1, LLC
Delaware
SecurCare American Portfolio, LLC
Delaware
SecurCare American Properties II, LLC
Delaware
SecurCare Colorado III, LLC
SecurCare Self Storage
Delaware
SecurCare Fayetteville I, LLC
Delaware
SecurCare Management, LLC
Colorado
SecurCare Moreno Valley, LLC
Delaware
SecurCare Moveit McAllen, LLC
Move It Self Storage
Delaware
SecurCare Oklahoma I, LLC
SecurCare Self Storage
Delaware
SecurCare Oklahoma II, LLC
SecurCare Self Storage
Delaware
SecurCare Operating Company, LLC
Delaware
SecurCare Portfolio Holdings, LLC
Delaware
SecurCare Properties I, LLC
SecurCare Self Storage
Delaware
SecurCare Properties II R, LLC
SecurCare Self Storage, Texas SecurCare Properties II R, LLC
Delaware



SecurCare Properties II, LLC
SecurCare Self Storage
Delaware
SecurCare Value Properties R, LLC
SecurCare Self Storage
Delaware
Series Americor Insurance Company, a series of Endeavor Assurance Company, LLC
Delaware
Shreve Storage Equities, L.L.C.
Louisiana
Simply Storage Caguas, LLC
Delaware
Simply Storage Clarksville, LLC
Delaware
Simply Storage Franklin, LLC
Delaware
Simply Storage Gallatin, LLC
Delaware
Simply Storage Harrah Drive, LLC
Delaware
Simply Storage Hendersonville, LLC
Delaware
Simply Storage Hermitage, LLC
Delaware
Simply Storage Maddox Simpson Parkway, LLC
Delaware
Simply Storage Mezz, LLC
Delaware
Simply Storage Partners REIT II LLC
Delaware
Simply Storage Quarry Loop Road, LLC
Delaware
Simply Storage White House, LLC
Delaware
Southern Self Storage, LLC
Florida
Southern Self Storage of Arizona, LLC
Arizona
Southern Self Storage of Destin, LLC
Florida
Southern Self Storage of Edgewater, LLC
Florida
Southern Self Storage of Florida, LLC
Florida
Southern Self Storage of Grayton, LLC
Florida
Southern Self Storage of PCB, LLC
Florida
Southern Self Storage of Pensacola, LLC
Florida
 Southern Self Storage of Santa Rosa, LLC
Florida
Springfield Mini Storage, LLC
Oregon
Square Foot Springhill, LLC
Ohio
SS 22195 Timberlake Road, LLC
Delaware
SS 8117 Timberlake Road, LLC
Delaware
SS Bayport, LLC
Delaware
SS Beeline, LLC
Delaware
SS Billy Williamson Drive, LLC
Delaware
SS Bloomfield, LLC
iStorage Bloomfield New Jersey
Delaware
SS Blue Ash, LLC
iStorage Blue Ash
Delaware
SS Brighton MA, LLC
Delaware
SS Brookside, LLC
Delaware
SS Catano, LLC
Delaware
SS Chevoit, LLC
iStorage Chevoit
Delaware
SS Cleveland Heights, LLC
iStorage Cleveland Heights
Delaware
SS Cliffwood, LLC
iStorage Cliffwood
Delaware
SS Deerfield, LLC
Delaware
SS Detroit, LLC
Delaware
SS Downtown Tulsa, LLC
Delaware
SS Eastpointe II, LLC
Delaware
SS Ferndale, LLC
Delaware
SS Fields Ertel, LLC
iStorage Fields Ertel
Delaware
SS Forest Park, LLC
iStorage Forest Park
Delaware
SS Fort Walton Beal Parkway, LLC
Delaware
SS Fort Walton Harrelson Drive, LLC
Delaware
SS Glenview, LLC
Delaware
SS Greensville, LLC
Delaware
SS Guaynabo, LLC
Delaware
SS Hall Road, LLC
Delaware
SS Hargrove Drive, LLC
Delaware
SS Hiawatha II, LLC
Delaware
SS Highland Park, LLC
iStorage Hoffman Estates, iStorage Highland Park
Delaware
SS Highway 150, LLC
Delaware
SS Highway 280, LLC
Delaware



SS Hingham, LLC
iStorage Hingham
Delaware
SS Hoffman Estates, LLC
Delaware
SS Huber Heights, LLC
iStorage Huber Heights
Delaware
SS Ivy Hill, LLC
Delaware
SS Ivy Hill, LP
Pennsylvania
SS Kettering, LLC
iStorage Kettering
Delaware
SS Kingsland, LLC
Delaware
SS Lakeside Drive, LLC
Delaware
SS Lincoln Park, LLC
Delaware
SS Macon Road, LLC
Delaware
SS MAMNOH, LLC
iStorage Madison Road, iStorage Tewksbury, iStorage Shrewsbury, iStorage Peabody, iStorage Billerica
Delaware
SS Mezz, LLC
Delaware
SS Michigan, LLC
Delaware
SS Midtown Tulsa, LLC
Delaware
SS Millville, LLC
iStorage Millville
Delaware
SS Minnesota II, LLC
Delaware
SS MITX, LLC
Delaware
SS MNMI, LLC
iStorage Lynnfield
Delaware
SS MNRI, LLC
Delaware
SS Moellering, LLC
iStorage South Fairmount
Delaware
SS North Bend, LLC
iStorage North Bend Road
Delaware
SS North Fort Myers, LLC
Delaware
SS Norwood, LLC
iStorage Norwood
Delaware
SS Palm City, LLC
Delaware
SS Peake Road, LLC
Delaware
SS Ponce, LLC
Delaware
SS Reading, LLC
iStorage Reading
Delaware
SS Riverside Drive, LLC
Delaware
SS San Juan, LLC
Delaware
SS Sheridan, LLC
Delaware
SS South Amherst, LLC
Delaware
SS South Euclid, LLC
iStorage South Euclid
Delaware
SS Storage Court, LLC
Delaware
SS Titusville Access, LLC
Delaware
SS Toa Baja, LLC
Delaware
SS Trinity Church, LLC
iStorage Shiloh Springs
Delaware
SS Ward and Citation, LLC
Delaware
SS West Point, LLC
Delaware
SS Whitesville Road, LLC
Delaware
SS Williamstown, LLC
iStorage Williamson
Delaware
SS Yale, LLC
Delaware
Storage Management and Leasing Co. LLC
SMLC LLC
Florida
Storage Management and Repair Co., LLC
Florida
 Storage Solutions Palm Valley L.L.C.
Arizona
StoreMore Self Storage-Pecos Road, LLC
StoreMore Self Storage
Delaware
Supreme Storage, LLC
Oregon
 Tampa COLO Holdings, LLC
Colorado
 Tampa COLO, LLC
Florida
Terrell Storage Partners, LLC
StoreMore Self Storage
Texas
Town Center Self Storage, LLC
Colorado
Troutdale Mini Storage, LLC
Oregon
Tustin Gateway LP
California
 Union Storage, LLC
Washington
Universal Self Storage Hesperia LLC, a California limited liability company
California
Universal Self Storage Highland, a California Limited Partnership
California



Universal Self Storage San Bernardino LLC, a California limited liability company
California
 Unlimited Storage, LLC
Puerto Rico
 Unlimited Storage of Bayamon, LLC
Puerto Rico
 Unlimited Storage of Caguas, LLC
Puerto Rico
 Unlimited Storage of Guaynabo, LLC
Puerto Rico
Upland Universal Self Storage, a California Limited Partnership
California
Villages Storage Partners, Ltd.
Florida
Washington Murrieta II, LLC
StorAmerica Scottsdale
California
Washington Murrieta III, LLC
StorAmerica Phoenix 24th
Arizona
Washington Murrieta IV, LLC
StorAmerica Phoenix 52nd
California
WCAL, LLC
StoreMore Self Storage
Texas
 West Linn Self Storage
Oregon