Safety, Income & Growth Inc., a publicly traded company based in New York City, has struck a deal to acquire an existing ground lease for the real estate beneath San Antonio’s Hotel Valencia. While the company did not disclose financial terms of the transaction, it noted that the ground lease features fixed annual base rent escalations with a percentage rent component and a remaining lease term of about 83 years. Safety, Income & Growth [NYSE: SAFE] officials, who declined to disclose the seller,…