Finding rows with same values in multiple columns

Question

I am trying to find rows that have duplicate values, but only based off of a select number of columns, not a single column or the entire row. For example, if my table looked

Answer 1

Try the following:

SELECT A.*
FROM YourTable A
INNER JOIN (SELECT Address, State
            FROM YourTable
            GROUP BY Address, State
            HAVING COUNT(*) > 1) B
ON A.Address = B.Address AND A.State = B.State

Answer 2

select *
from #table1
where Addr + St in (select Addr + St as FullAddr
             from #table1
             group by Addr + St
             having count(Addr+St) > 1)