diff --git a/src/components/cases/bulk-convert-to-collections-dialog.tsx b/src/components/cases/bulk-convert-to-collections-dialog.tsx
index 796a08c..258ed24 100644
--- a/src/components/cases/bulk-convert-to-collections-dialog.tsx
+++ b/src/components/cases/bulk-convert-to-collections-dialog.tsx
@@ -445,6 +445,21 @@ export function BulkConvertToCollectionsDialog({ open, onOpenChange, cases, onCr
                 )}
               </div>
 
+              <div className="border rounded-md p-3 space-y-2 bg-muted/20">
+                <label className="flex items-center gap-2 text-sm cursor-pointer">
+                  <Checkbox
+                    checked={combine}
+                    onCheckedChange={(v) => setCombine(!!v)}
+                  />
+                  <span>
+                    Combine homeowners into one collection per case (recommended)
+                    <span className="block text-xs text-muted-foreground font-normal">
+                      First selected contact on each case becomes the primary homeowner. Cases that already have a collection are skipped.
+                    </span>
+                  </span>
+                </label>
+              </div>
+
               <div className="border rounded-md p-3 space-y-2 bg-muted/20">
                 <label className="flex items-center gap-2 text-sm cursor-pointer">
                   <Checkbox