A commercial realty sign was spotted this week near the 110-plus-years-old house on W. 20th St. at the northeast corner with Ashland St., per the report of a reader on the prowl with a pet. The double-decker 1904 home is actually the only piece of land at the intersection that isn’t already involved in some sort of business dealings, whether by way of conversion to retail space (like the house across Ashland hosting the Heights Florist Shop), as simple logistical support (like the parking lot across W. 20th), or as part of higher commercial aspirations (as demonstrated by the St. Joseph medical midrise, diagonally across). CRBE, meanwhile, has its own tentative suggestions of what could be done with the .64-acre property, which is being marketed for ground lease: