diff --git a/src/registrar/tests/test_views_domain.py b/src/registrar/tests/test_views_domain.py
index 8aca75682..e24085b30 100644
--- a/src/registrar/tests/test_views_domain.py
+++ b/src/registrar/tests/test_views_domain.py
@@ -6,6 +6,7 @@ from django.urls import reverse
 from django.contrib.auth import get_user_model
 
 from api.tests.common import less_console_noise_decorator
+from registrar.models.portfolio import Portfolio
 from .common import MockEppLib, MockSESClient, create_user  # type: ignore
 from django_webtest import WebTest  # type: ignore
 import boto3_mocking  # type: ignore
@@ -138,6 +139,7 @@ class TestWithDomainPermissions(TestWithUser):
             Host.objects.all().delete()
             Domain.objects.all().delete()
             UserDomainRole.objects.all().delete()
+            Portfolio.objects.all().delete()
         except ValueError:  # pass if already deleted
             pass
         super().tearDown()
@@ -310,6 +312,33 @@ class TestDomainDetail(TestDomainOverview):
             self.assertContains(detail_page, "noinformation.gov")
             self.assertContains(detail_page, "Domain missing domain information")
 
+    @less_console_noise_decorator
+    def test_domain_readonly_on_detail_page(self):
+        """Test that a domain, which is part of a portfolio, but for which the user is not a domain manager,
+        properly displays read only"""
+
+        portfolio, _ = Portfolio.objects.get_or_create(organization_name="Test org", creator=self.user)
+        # need to create a different user than self.user because the user needs permission assignments
+        user = get_user_model().objects.create(
+            first_name="Test",
+            last_name="User",
+            email="bogus@example.gov",
+            phone="8003111234",
+            title="test title",
+            portfolio=portfolio,
+            portfolio_roles=[User.UserPortfolioRoleChoices.ORGANIZATION_ADMIN],
+        )
+        domain, _ = Domain.objects.get_or_create(name="bogusdomain.gov")
+        DomainInformation.objects.get_or_create(creator=user, domain=domain, portfolio=portfolio)
+        self.client.force_login(user)
+        detail_page = self.client.get(f"/domain/{domain.id}")
+        # Check that alert message displays properly
+        self.assertContains(
+            detail_page, "To manage information for this domain, you must add yourself as a domain manager."
+        )
+        # Check that user does not have option to Edit domain
+        self.assertNotContains(detail_page, "Edit")
+
 
 class TestDomainManagers(TestDomainOverview):
     def tearDown(self):