Thank you to new forum user, Nefertiti, for sharing this link:
https://collections.mcny.org/CS.aspx?VP3=SearchResult&VBID=24UP1GMD2J5FO&SMLS=1&RW=1366&RH=625
There is a nice photo of the Bowie Dash house from the side there (dated circa 1915).
Interestingly, it is labeled “caretaker cottage.” Bowie Dash was certainly nobody’s caretaker so the name suggests that the house predates his ownership of it (if the “caretaker cottage” label is accurate).