diff --git a/.changes/unreleased/Features-20240716-102457.yaml b/.changes/unreleased/Features-20240716-102457.yaml
new file mode 100644
index 00000000..096b4259
--- /dev/null
+++ b/.changes/unreleased/Features-20240716-102457.yaml
@@ -0,0 +1,6 @@
+kind: Features
+body: Add to and to_columns to ColumnLevelConstraint and ModelLevelConstraint contracts
+time: 2024-07-16T10:24:57.11251-04:00
+custom:
+  Author: michelleark
+  Issue: "168"
diff --git a/dbt_common/contracts/constraints.py b/dbt_common/contracts/constraints.py
index c01ee6f8..4e2d9c7a 100644
--- a/dbt_common/contracts/constraints.py
+++ b/dbt_common/contracts/constraints.py
@@ -36,6 +36,8 @@ class ColumnLevelConstraint(dbtClassMixin):
     warn_unsupported: bool = (
         True  # Warn if constraint is not supported by the platform and won't be in DDL
     )
+    to: Optional[str] = None
+    to_columns: List[str] = field(default_factory=list)
 
 
 @dataclass