diff --git a/config/comCamSim/calibrate.py b/config/comCamSim/calibrate.py
new file mode 100644
index 000000000..7e5796685
--- /dev/null
+++ b/config/comCamSim/calibrate.py
@@ -0,0 +1,33 @@
+# This file is part of obs_lsst.
+#
+# Developed for the LSST Data Management System.
+# This product includes software developed by the LSST Project
+# (http://www.lsst.org).
+# See the COPYRIGHT file at the top-level directory of this distribution
+# for details of code ownership.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the LSST License Statement and
+# the GNU General Public License along with this program.  If not,
+# see <http://www.lsstcorp.org/LegalNotices/>.
+
+import os.path
+
+configDir = os.path.dirname(__file__)
+
+config.connections.astromRefCat = "uw_stars_20240130"
+config.connections.photoRefCat = "uw_stars_20240130"
+
+config.astromRefObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.photoRefObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.astromRefObjLoader.anyFilterMapsToThis = None
+config.photoRefObjLoader.anyFilterMapsToThis = None
diff --git a/config/comCamSim/filterMap.py b/config/comCamSim/filterMap.py
new file mode 100644
index 000000000..d23668d92
--- /dev/null
+++ b/config/comCamSim/filterMap.py
@@ -0,0 +1,23 @@
+# This file is part of obs_lsst.
+#
+# Developed for the LSST Data Management System.
+# This product includes software developed by the LSST Project
+# (http://www.lsst.org).
+# See the COPYRIGHT file at the top-level directory of this distribution
+# for details of code ownership.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the LSST License Statement and
+# the GNU General Public License along with this program.  If not,
+# see <http://www.lsstcorp.org/LegalNotices/>.
+
+config.filterMap = {band: "lsst_%s" % (band) for band in "gri"}
diff --git a/config/comCamSim/isr.py b/config/comCamSim/isr.py
new file mode 100644
index 000000000..a81bea468
--- /dev/null
+++ b/config/comCamSim/isr.py
@@ -0,0 +1,29 @@
+# This file is part of obs_lsst.
+#
+# Developed for the LSST Data Management System.
+# This product includes software developed by the LSST Project
+# (http://www.lsst.org).
+# See the COPYRIGHT file at the top-level directory of this distribution
+# for details of code ownership.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the LSST License Statement and
+# the GNU General Public License along with this program.  If not,
+# see <http://www.lsstcorp.org/LegalNotices/>.
+"""
+comCamSim-specific overrides for IsrTask
+"""
+config.doDefect = False
+# TODO: Evaluate doBrighterFatter after initial DRP
+config.doBrighterFatter = False
+config.doCrosstalk = False
+config.doFringe = False