To query on constituents who have a seasonal address:
  1. Create a constituent query.
  2. On the Criteria tab, select Addresses, All Addresses, Seasonal Address equals Yes.

To query on constituents with a seasonal address that is valid for today:

  1. Create a constituent query.
  2. On the Criteria tab, select Addresses, Address Processing, Address Line 1. 
  3. In the Address Processing screen, remove the Preferred Address in Step 2. Mark the Include addresses with seasonal dates as of checkbox and select Today as the value.
  4. Click OK.
  5. Select not blank as the operator.