diff --git a/registrar/cli.py b/registrar/cli.py
index 645ec9a8c24d3d2c469ef63b1a55db1145ee537d..12fbaa617f86238d4ee2f58b97ce44eb15c17981 100644
--- a/registrar/cli.py
+++ b/registrar/cli.py
@@ -91,9 +91,18 @@ def cli(
 
 
 @cli.command(help="Run the registrar daemon, attaching to a Redis queue")
-@click.option("--replace/--no-replace", default=None)
+@click.option(
+    "--replace",
+    default=None,
+    help="Override config 'replace' of all routes to 'True'",
+)
+@click.option(
+    "--no-replace",
+    default=None,
+    help="Override config 'replace' of all routes to 'False'",
+)
 @click.pass_context
-def daemon(ctx, replace=False):
+def daemon(ctx, replace, no_replace):
     """ Run the registrar daemon to listen on the given queues
         and execute the (de-)registrations commands.
 
@@ -111,9 +120,13 @@ def daemon(ctx, replace=False):
 
     config: RegistrarConfig = ctx.obj["CONFIG"]
 
-    if replace is not None:
+    # allow to override config values from CLI
+    if replace:
         for route in config.routes.values():
-            route.replace = replace
+            route.replace = True
+    elif no_replace:
+        for route in config.routes.values():
+            route.replace = False
 
     run_daemon(config)
 
@@ -121,9 +134,18 @@ def daemon(ctx, replace=False):
 @cli.command(help="Run a single, one-off registration")
 @click.argument("route_name", type=str)
 @click.argument("item", type=str)
-@click.option("--replace/--no-replace", is_flag=True)
+@click.option(
+    "--replace",
+    default=None,
+    help="Override config 'replace' of route to 'True'",
+)
+@click.option(
+    "--no-replace",
+    default=None,
+    help="Override config 'replace' of route to 'False'",
+)
 @click.pass_context
-def register(ctx, route_name, item, replace):
+def register(ctx, route_name, item, replace, no_replace):
     """ Registers a single item.
         Examples:
 
@@ -137,9 +159,11 @@ def register(ctx, route_name, item, replace):
                 register --replace myroute "{...}"
     """
     config: RegistrarConfig = ctx.obj["CONFIG"]
-    if replace is not None:
-        for route in config.routes.values():
-            route.replace = replace
+    # allow to override config values from CLI
+    if replace:
+        config.routes[route_name].replace = True
+    elif no_replace:
+        config.routes[route_name].replace = False
 
     registrar.register(config.routes[route_name], config.sources, item)