This is shows Sonia (here called Sophie) and Jerome Posner in the 1924 voters' list for New York City.
Here's information about this listing, copied from ancestry.ca:
New York, New York, U.S., Voter List, 1924
Name: Sophie Posner
Residence Year: 1924
Street Address: 18603 Jamaica Ave.
Residence Place: Queens, New York, New York, USA
Election District: 47TH ELECTION DIST
Page Number: 27
This shows that in 1924, the Posner family was living at 18603 Jamaica Ave. (in the Hollis area of Queens), the same address as in the 1925 census. (See this address today in Google Maps.)