diff --git a/src/registrar/views/domain_request.py b/src/registrar/views/domain_request.py
index 0abe6d69a..864225dcc 100644
--- a/src/registrar/views/domain_request.py
+++ b/src/registrar/views/domain_request.py
@@ -796,6 +796,12 @@ class DomainRequestDeleteView(DomainRequestPermissionDeleteView):
         if status not in valid_statuses:
             return False
 
+        # Portfolio users cannot delete their requests if they aren't permissioned to do so 
+        if self.request.user.is_org_user(self.request):
+            portfolio = self.request.session.get("portfolio")
+            if not self.request.user.has_edit_request_portfolio_permission(portfolio):
+                return False
+
         return True
 
     def get_success_url(self):
diff --git a/src/registrar/views/domain_requests_json.py b/src/registrar/views/domain_requests_json.py
index 7b86cd9ef..bc880cdaf 100644
--- a/src/registrar/views/domain_requests_json.py
+++ b/src/registrar/views/domain_requests_json.py
@@ -25,9 +25,8 @@ def get_domain_requests_json(request):
     paginator = Paginator(objects, 10)
     page_number = request.GET.get("page", 1)
     page_obj = paginator.get_page(page_number)
-
     domain_requests = [
-        serialize_domain_request(domain_request, request.user) for domain_request in page_obj.object_list
+        serialize_domain_request(request, domain_request, request.user) for domain_request in page_obj.object_list
     ]
 
     return JsonResponse(
@@ -90,13 +89,22 @@ def apply_sorting(queryset, request):
     return queryset.order_by(sort_by)
 
 
-def serialize_domain_request(domain_request, user):
-    # Determine if the request is deletable
-    is_deletable = domain_request.status in [
+def serialize_domain_request(request, domain_request, user):
+
+    deletable_statuses = [
         DomainRequest.DomainRequestStatus.STARTED,
         DomainRequest.DomainRequestStatus.WITHDRAWN,
     ]
 
+    # Determine if the request is deletable
+    if not user.is_org_user(request):
+        is_deletable = domain_request.status in deletable_statuses
+    else:
+        portfolio = request.session.get("portfolio")
+        is_deletable = (
+            domain_request.status in deletable_statuses and user.has_edit_request_portfolio_permission(portfolio)
+        ) and domain_request.creator == user
+
     # Determine action label based on user permissions and request status
     editable_statuses = [
         DomainRequest.DomainRequestStatus.STARTED,