Form: 10-K

Annual report pursuant to Section 13 and 15(d)

February 28, 2024

Exhibit 21.1

Subsidiaries
Subsidiary
d/b/a
Jurisdiction
2016 JV MHC, LLC
Delaware
2016 JV Property Holdings, 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
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
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
Extra Closet Leesburg, LLC
Florida
Extra Closet Mini Storage, LLC
Florida
Fairview Mini Storage, LLC
Florida
Fletcher Heights Storage Solutions, L.L.C.
Arizona
Fontana Universal Self Storage, a California Limited Partnership
California
Forest Grove Mini Storage, LLC
Oregon
GAK, LLC
Cypress Mini Storage
California
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
Hesperia Universal Self Storage, a California Limited Partnership
California
Hide Away SPE, LLC
Delaware
Hide Away Storage Holdings, LLC
Delaware
Hide Away Transportation #1, LLC Delaware
Highway 97 Mini Storage, LLC
Oregon
Highway 99 Mini Storage, LLC
Oregon
ICDC II, LLC
Oregon



iStorage JV Bridgewater, LLC
Delaware
iStorage JV DuPont Highway, LLC
Delaware
iStorage JV Hickman Road, LLC
Delaware
iStorage JV Houston Holdings, LLC f/k/a iStorage JV Miami Mezz, LLC
Delaware
iStorage JV Houston, LLC f/k/a iStorage JV Miami, LLC
Delaware
iStorage JV II, LLC Delaware
iStorage JV Rancho Cordova, LLC Delaware
iStorage JV Ridge Road, LLC Delaware
iStorage JV Sunrise Monier, LLC
Delaware
iStorage JV, LLC
Delaware
iStorage Mezz, LLC
Delaware
iStorage PO, LLC
Delaware
iStorage TRS JV II, LLC
Delaware
iStorage TRS JV, LLC
Delaware
Jeffersonville Storage, LLC Indiana
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
Mini Storage of Deland, LLC
Florida
Moove In Partners - Centerville, LP Pennsylvania
Moove-in of Manheim, LLC Wyoming
Moove-In of New Jersey, LLC Wyoming
MooveIn Partners-Lancaster, L.P. Pennsylvania
Moovein Properties II, LLC Wyoming
Moovein, LLC Wyoming
National Storage Affiliates Management Company,
      LLC
Delaware
National Storage Affiliates Trust
Maryland
National Storage Insurance Solutions, Inc.
Utah
Northwest II Chief Manager, LLC
Delaware
NSA 110 V JV PO, LLC Delaware
NSA 110 V JV TRS, LLC Delaware
NSA 110 V JV TX PO, LLC Delaware
NSA 110 V JV, LLC Delaware
NSA 110 V Member, LLC Delaware
NSA 110 V Non-Member Manager, LLC Delaware
NSA 110 V TN JV PO, LLC Delaware
NSA 110 V TN JV TRS, LLC Delaware
NSA 110 V TN JV, LLC Delaware
NSA Acquisition Holdings, LLC Delaware
NSA All Stor Chief Manager, LLC Delaware
NSA All Stor, 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 Property Holdings, LLC Delware
NSA HHF JV Tennessee Holdco, LLC (result of merger involving Simply Storage Partners REIT, LLC) Delaware
NSA HHF JV, 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 Irvine DR, LLC Delaware
NSA iStorage II Member, LLC Delaware
NSA iStorage II Non-Member, LLC Delaware
NSA iStorage II TRS Member, 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 Holding Company, LLC Delaware
NSA PM, LLC Delaware
NSA Property Holdings, LLC Delaware
NSA Puerto Rico, LLC Delaware
NSA SecurCare CMBS I, LLC Delaware
NSA SecurCare Holdings, LLC Delaware
NSA Security Storage, LLC (f/k/a 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 (f/k/a NSA-GSC 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 (n/k/a NSA-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
PCB South, LLC
Florida
Personal Mini Storage Dyer, LLC Florida
Personal Mini Storage Forest City Rd., LLC Florida
Personal Mini Storage Forsyth, LLC Florida
Personal Mini Storage Kissimmee, LLC Florida
Personal MIni Storage Piedmont, LLC Florida
Personal MIni Storage Spring Garden, LLC Florida
Personal MIni Storage Vine, LLC Florida
Personal MIni Storage West, LLC Florida
Personal MIni Storage Winter Garden, LLC Florida
Personal Mini Storage-Edgewater, LLC Florida
Personal Mini Storage-Orange City, 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
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 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
Southeast Portfolio Holding Company, LLC Delaware



Southeast Portfolio PO, 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
Delaware
SS Blue Ash, LLC
Delaware
SS Brighton MA, LLC
Delaware
SS Brookside, LLC
Delaware
SS Chevoit, LLC
Delaware
SS Cleveland Heights, LLC
Delaware
SS Cliffwood, LLC
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
Delaware
SS Forest Park, LLC
Delaware
SS Fort Walton Beal Parkway, LLC
Delaware
SS Fort Walton Harrelson Drive, LLC
Delaware
SS Glenview, LLC
Delaware
SS Greensville, LLC
Delaware
SS Hall Road, LLC
Delaware
SS Hargrove Drive, LLC
Delaware
SS Hiawatha II, LLC
Delaware
SS Highland Park, LLC
Delaware
SS Highway 150, LLC
Delaware
SS Highway 280, LLC
Delaware
SS Hingham, LLC
Delaware
SS Hoffman Estates, LLC
Delaware
SS Huber Heights, LLC
Delaware
SS Ivy Hill, LLC
Delaware
SS Ivy Hill, LP
Pennsylvania
SS Kettering, LLC
Delaware
SS Kingsland, LLC
Delaware
SS Lakeside Drive, LLC
Delaware
SS Lincoln Park, LLC
Delaware
SS Macon Road, LLC
Delaware
SS Mamnoh, LLC
Delaware
SS Mezz, LLC
Delaware
SS Michigan, LLC
Delaware
SS Midtown Tulsa, LLC
Delaware
SS Millville, LLC
Delaware
SS Minnesota II, LLC
Delaware
SS MITX, LLC
Delaware



SS MNMI, LLC
Delaware
SS MNRI, LLC
Delaware
SS Moellering, LLC
Delaware
SS North Bend, LLC
Delaware
SS North Fort Myers, LLC
Delaware
SS Norwood, LLC
Delaware
SS Palm City, LLC
Delaware
SS Peake Road, LLC
Delaware
SS Reading, LLC
Delaware
SS Riverside Drive, LLC
Delaware
SS Sheridan, LLC
Delaware
SS South Amherst, LLC
Delaware
SS South Euclid, LLC
Delaware
SS Storage Court, LLC
Delaware
SS Titusville Access, LLC
Delaware
SS Trinity Church, LLC
Delaware
SS Ward and Citation, LLC
Delaware
SS West Point, LLC
Delaware
SS Whitesville Road, LLC
Delaware
SS Williamstown, LLC
Delaware
SS Yale, LLC
Delaware
Storage Management and Leasing Co. LLC
Florida
Storage Management and Repair Co., LLC
Florida
StoreMore Self Storage-Pecos Road, LLC
StoreMore Self Storage
Delaware
Supreme Storage, LLC
Oregon
Tampa COLO Holdings, LLC
Colorado
Tampa COLO, LLC
Florida
Town Center Self Storage, LLC
Colorado
Troutdale Mini Storage, LLC
Oregon
Tustin Gateway LP
California
Union Storage, LLC
Oregon
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
Upland Universal Self Storage, a California Limited Partnership
California
Villages Storage Partners, Ltd.
Florida
Washington Murrieta II, LLC
StorAmerica Scottsdale
California
Washington Murrieta IV, LLC
StorAmerica Phoenix 52nd
California
WCAL, LLC
StoreMore Self Storage
Texas
 West Linn Self Storage
Oregon