The FRED series Replacement-Cost Value of Structures: Nonprofit Organizations - Net Worth - Balance Sheet of Households and Nonprofit Organizations is now known as Nonprofit Organizations; Residential Structures, Current Cost Basis.
The source series id is FL165012665.Q.
This series appears in Table B.101. For further information see the assistance provided in the guide to the Financial Accounts at http://www.federalreserve.gov/apps/fof/.
Board of Governors of the Federal Reserve System (US), Nonprofit Organizations; Residential Structures, Current Cost Basis, Level [RCSNONWBSHNO], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/RCSNONWBSHNO, May 22, 2018.