diff --git a/zephyr/management/commands/create_realm.py b/zephyr/management/commands/create_realm.py
new file mode 100644
index 0000000000..67e8eac556
--- /dev/null
+++ b/zephyr/management/commands/create_realm.py
@@ -0,0 +1,28 @@
+from django.core.management.base import BaseCommand
+from zephyr.models import Realm, Message, UserProfile, Recipient, create_stream_if_needed, \
+        get_client
+from zephyr.views import do_send_message
+from django.utils.timezone import now
+
+class Command(BaseCommand):
+    help = "Create a realm for the specified domain(s)."
+
+    def handle(self, *args, **options):
+        for domain in args:
+            realm, created = Realm.objects.get_or_create(domain=domain)
+            if not created:
+                print domain + ": Realm already exists!"
+            else:
+                message = Message()
+                message.sender = UserProfile.objects.get(user__email="humbug+signups@humbughq.com")
+                message.recipient = Recipient.objects.get(type_id=create_stream_if_needed(
+                    message.sender.realm, "signups").id, type=Recipient.STREAM)
+                message.subject = domain
+                message.content = "Signups enabled."
+                message.pub_date = now()
+                message.sending_client = get_client("Internal")
+
+                do_send_message(message)
+                print domain + ": Created."
+
+