diff --git a/backend/src/baserow/contrib/database/migrations/0204_add_row_exists_not_trashed_function.py b/backend/src/baserow/contrib/database/migrations/0204_add_row_exists_not_trashed_function.py
new file mode 100644
index 0000000000..442ec5c7cb
--- /dev/null
+++ b/backend/src/baserow/contrib/database/migrations/0204_add_row_exists_not_trashed_function.py
@@ -0,0 +1,40 @@
+from django.db import migrations
+
+forward_sql = """
+CREATE OR REPLACE FUNCTION row_exists_not_trashed(p_table_id integer, p_row_id integer)
+RETURNS boolean AS $$
+DECLARE
+    table_name text;
+    result boolean;
+BEGIN
+    table_name := 'database_table_' || p_table_id;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_class WHERE relname = table_name AND relkind = 'r'
+    ) THEN
+        RETURN false;
+    END IF;
+
+    EXECUTE format(
+        'SELECT EXISTS(SELECT 1 FROM %I WHERE id = $1 AND trashed = false)',
+        table_name
+    ) INTO result USING p_row_id;
+
+    RETURN COALESCE(result, false);
+END;
+$$ LANGUAGE plpgsql;
+"""
+
+reverse_sql = """
+DROP FUNCTION IF EXISTS row_exists_not_trashed(integer, integer);
+"""
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("database", "0203_alter_field_field_dependencies"),
+    ]
+
+    operations = [
+        migrations.RunSQL(forward_sql, reverse_sql),
+    ]
diff --git a/backend/src/baserow/contrib/database/search_types.py b/backend/src/baserow/contrib/database/search_types.py
index 327dd21ad3..a7663c4088 100644
--- a/backend/src/baserow/contrib/database/search_types.py
+++ b/backend/src/baserow/contrib/database/search_types.py
@@ -27,6 +27,7 @@
 from baserow.contrib.database.models import Database
 from baserow.contrib.database.search.handler import SearchHandler
 from baserow.contrib.database.search_base import DatabaseSearchableItemType
+from baserow.contrib.database.table.expressions import RowNotTrashedDynamicTable
 from baserow.contrib.database.table.models import Table
 from baserow.contrib.database.table.operations import ReadDatabaseTableOperationType
 from baserow.core.db import specific_iterator
@@ -352,9 +353,14 @@ def get_union_values_queryset(self, user, workspace, context) -> QuerySet:
                 self.type, getattr(self, "priority", 10)
             )
 
+        field_ids_by_table_id = defaultdict(list)
+        for f_id, t_id in base_fields:
+            field_ids_by_table_id[t_id].append(f_id)
+
         # Build field_id -> table_id mapping for CASE expression
         when_clauses = [
-            When(field_id=f_id, then=Value(t_id)) for (f_id, t_id) in base_fields
+            When(field_id__in=f_ids, then=Value(t_id))
+            for (t_id, f_ids) in field_ids_by_table_id.items()
         ]
         table_id_case = Case(
             *when_clauses, default=Value(0), output_field=IntegerField()
@@ -377,6 +383,7 @@ def get_union_values_queryset(self, user, workspace, context) -> QuerySet:
             .filter(rn=1)  # Only keep the best field per row
             .annotate(
                 search_type=Value(self.type, output_field=TextField()),
+                is_valid=RowNotTrashedDynamicTable(F("table_id"), F("row_id")),
                 object_id=Concat(
                     Cast(F("table_id"), output_field=TextField()),
                     Value("_", output_field=TextField()),
@@ -398,6 +405,7 @@ def get_union_values_queryset(self, user, workspace, context) -> QuerySet:
                     query=Value(context.query),
                 ),
             )
+            .filter(is_valid=True)
             .values(
                 "search_type",
                 "object_id",
@@ -547,6 +555,7 @@ def postprocess(self, rows: Iterable[Dict]) -> List[SearchResult]:
 
             field_id_int = int(field_id)
             table_id_int = field_id_to_table_id.get(field_id_int) or int(table_id)
+
             database_id = table_id_to_database_id.get(table_id_int)
             database_name = database_id_to_name.get(database_id)
             workspace_id = database_id_to_workspace_id.get(database_id)
diff --git a/backend/src/baserow/contrib/database/table/expressions.py b/backend/src/baserow/contrib/database/table/expressions.py
index 294c64df96..8661efadb7 100644
--- a/backend/src/baserow/contrib/database/table/expressions.py
+++ b/backend/src/baserow/contrib/database/table/expressions.py
@@ -1,5 +1,5 @@
 from django.contrib.postgres.fields import ArrayField
-from django.db.models import Func, IntegerField, TextField
+from django.db.models import BooleanField, Func, IntegerField, TextField
 
 
 class BaserowTableRowCount(Func):
@@ -13,3 +13,13 @@ class BaserowTableFileUniques(Func):
     function = "get_distinct_baserow_table_file_uniques"
     output_field = ArrayField(TextField())
     arity = 1
+
+
+class RowNotTrashedDynamicTable(Func):
+    """
+    Check if a row exists and is not trashed in a dynamically named table.
+    Calls the `row_exists_not_trashed(table_id, row_id)` PL/pgSQL function.
+    """
+
+    function = "row_exists_not_trashed"
+    output_field = BooleanField()
diff --git a/backend/tests/baserow/contrib/database/search/test_database_search_types.py b/backend/tests/baserow/contrib/database/search/test_database_search_types.py
index 04cf5e5cf5..cf4f873d3c 100644
--- a/backend/tests/baserow/contrib/database/search/test_database_search_types.py
+++ b/backend/tests/baserow/contrib/database/search/test_database_search_types.py
@@ -357,3 +357,44 @@ def test_row_search_multiple_fields(data_fixture):
     assert len(results) >= 2
     assert results[0].id == f"{table.id}_{row1.id}"
     assert results[1].id == f"{table.id}_{row2.id}"
+
+
+@pytest.mark.workspace_search
+@pytest.mark.django_db(transaction=True)
+def test_row_search_excludes_trashed_rows(data_fixture):
+    user = data_fixture.create_user()
+    workspace = data_fixture.create_workspace(user=user)
+    database = data_fixture.create_database_application(workspace=workspace)
+    table = data_fixture.create_database_table(database=database)
+    text_field = data_fixture.create_text_field(table=table, name="Name", primary=True)
+
+    from baserow.contrib.database.rows.handler import RowHandler
+    from baserow.core.search.handler import WorkspaceSearchHandler
+
+    row_handler = RowHandler()
+    row1 = row_handler.create_rows(
+        user=user,
+        table=table,
+        rows_values=[{f"field_{text_field.id}": "Searchable normal"}],
+    ).created_rows[0]
+
+    row2 = row_handler.create_rows(
+        user=user,
+        table=table,
+        rows_values=[{f"field_{text_field.id}": "Searchable trashed"}],
+    ).created_rows[0]
+
+    SearchHandler.create_workspace_search_table_if_not_exists(workspace.id)
+    SearchHandler.initialize_missing_search_data(table)
+    SearchHandler.process_search_data_updates(table)
+
+    model = table.get_model()
+    model.objects_and_trash.filter(id=row2.id).update(trashed=True)
+
+    context = SearchContext(query="Searchable", limit=10, offset=0)
+    results, _ = WorkspaceSearchHandler().search_all_types(user, workspace, context)
+
+    row_results = [r for r in results if r.type == "database_row"]
+    assert len(row_results) == 1
+    assert row_results[0].id == f"{table.id}_{row1.id}"
+    assert "normal" in row_results[0].title.lower()
diff --git a/changelog/entries/unreleased/bug/4525_do_not_show_trashed_rows_in_search_results.json b/changelog/entries/unreleased/bug/4525_do_not_show_trashed_rows_in_search_results.json
new file mode 100644
index 0000000000..37f63bdbe9
--- /dev/null
+++ b/changelog/entries/unreleased/bug/4525_do_not_show_trashed_rows_in_search_results.json
@@ -0,0 +1,9 @@
+{
+    "type": "bug",
+    "message": "Do not show trashed rows in search results",
+    "issue_origin": "github",
+    "issue_number": 4525,
+    "domain": "database",
+    "bullet_points": [],
+    "created_at": "2026-01-09"
+}
\ No newline at end of file