diff --git a/doozerlib/cli/ci_transforms/rhel-9/base-repos/Dockerfile b/doozerlib/cli/ci_transforms/rhel-9/base-repos/Dockerfile
new file mode 100644
index 000000000..efa4b01d0
--- /dev/null
+++ b/doozerlib/cli/ci_transforms/rhel-9/base-repos/Dockerfile
@@ -0,0 +1,4 @@
+FROM replaced-by-buildconfig
+# Baseline Dockerfile for layering repos atop an ART image to construct an
+# ART equivalent image.
+# Used as a template for 'images:streams gen-buildconfigs'
diff --git a/doozerlib/cli/ci_transforms/rhel-9/ci-build-root/Dockerfile b/doozerlib/cli/ci_transforms/rhel-9/ci-build-root/Dockerfile
new file mode 100644
index 000000000..894b04238
--- /dev/null
+++ b/doozerlib/cli/ci_transforms/rhel-9/ci-build-root/Dockerfile
@@ -0,0 +1,60 @@
+FROM replaced-by-buildconfig
+# Serves as a standard build environment for OpenShift builds. It is based on the
+# ART golang builder and has packages layered on top of support CI only use cases
+# (e.g. compiling test cases) that simply don't occur downstream.
+# Used as a template for 'images:streams gen-buildconfigs'
+
+# Install protobuf-3.0.0 (used by upstream k8s) for CI only testing
+# Context: https://coreos.slack.com/archives/CB95J6R4N/p1600340218406400
+ENV PATH=/opt/google/protobuf/bin:$PATH
+RUN set -euxo pipefail && \
+    f=$( mktemp ) && \
+    curl --fail -L http://mirror.openshift.com/pub/openshift-static-ci-deps/protobuf-3.0.0/protoc-3.0.0-linux-x86_64.zip > "${f}" && \
+    mkdir -p /opt/google/protobuf && \
+    unzip "${f}" -d /opt/google/protobuf && \
+    curl --fail -L https://github.com/coreos/etcd/releases/download/v3.4.13/etcd-v3.4.13-linux-amd64.tar.gz | tar -f - -xz --no-same-owner -C /usr/local/bin --strip-components=1 etcd-v3.4.13-linux-amd64/etcd
+
+# Install common CI tools and epel for packages like tito.
+RUN yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm && \
+    INSTALL_PKGS="bc procps-ng util-linux bind-utils bsdtar createrepo_c device-mapper device-mapper-persistent-data e2fsprogs ethtool file findutils gcc git glib2-devel gpgme gpgme-devel hostname iptables jq krb5-devel libassuan libassuan-devel libseccomp-devel libvirt-devel lsof make mercurial nmap-ncat openssl rsync socat systemd-devel tar tito tree wget which xfsprogs zip goversioninfo gettext python3 iproute" && \
+    yum install -y $INSTALL_PKGS && \
+    alternatives --set python /usr/bin/python3 && \
+    yum clean all && \
+    touch /os-build-image && \
+    git config --system user.name origin-release-container && \
+    git config --system user.email origin-release@redhat.com
+
+# Install common go tools upstream devs are expecting in CI.
+# Pure cargo culting from https://github.com/openshift/release/blob/51d92eb6a6d730e932a5daf68829ca7936739904/projects/origin-release/golang-1.13/Dockerfile#L41
+# Clear GOFLAGS temporarily for 1.12  bug:https://github.com/golang/go/issues/32502
+RUN GOFLAGS='' go get golang.org/x/tools/cmd/cover \
+        github.com/Masterminds/glide \
+        golang.org/x/tools/cmd/goimports \
+        github.com/tools/godep \
+        golang.org/x/lint/golint \
+        gotest.tools/gotestsum \
+        github.com/openshift/release/tools/gotest2junit \
+        github.com/openshift/imagebuilder/cmd/imagebuilder && \
+    GOFLAGS='' GO111MODULE=on go get gotest.tools/gotestsum@v0.5.2 && \
+    mv $GOPATH/bin/* /usr/bin/ && \
+    rm -rf $GOPATH/* $GOPATH/.cache && \
+    mkdir $GOPATH/bin && \
+    mkdir -p /go/src/github.com/openshift/origin && \
+    ln -s /usr/bin/imagebuilder $GOPATH/bin/imagebuilder && \
+    ln -s /usr/bin/goimports $GOPATH/bin/goimports && \
+    curl --fail -L https://github.com/golang/dep/releases/download/v0.5.4/dep-linux-amd64 > /usr/bin/dep && \
+    chmod +x /usr/bin/dep
+
+# make go related directories writeable since builds in CI will run as non-root.
+RUN mkdir -p $GOPATH && \
+    chmod g+xw -R $GOPATH && \
+    chmod g+xw -R $(go env GOROOT)
+
+# Assert packages in separate RUN block so we are sure env variables are set up correctly
+RUN set -euxo pipefail && \
+    command -v protoc && protoc --version && [ "$( protoc --version )" = "libprotoc 3.0.0" ] && \
+    command -v etcd && etcd --version && [ "$( etcd --version | head -n1 )" = "etcd Version: 3.4.13" ]
+
+# Some image building tools don't create a missing WORKDIR
+RUN mkdir -p /go/src/github.com/openshift/origin
+WORKDIR /go/src/github.com/openshift/origin
diff --git a/doozerlib/cli/ci_transforms/rhel-9/ci-build-root/OWNERS b/doozerlib/cli/ci_transforms/rhel-9/ci-build-root/OWNERS
new file mode 100644
index 000000000..494c29e0a
--- /dev/null
+++ b/doozerlib/cli/ci_transforms/rhel-9/ci-build-root/OWNERS
@@ -0,0 +1,14 @@
+approvers:
+- tnozicka
+- jupierce
+- sttts
+- hexfusion
+- mfojtik
+- soltysh
+reviewers:
+- tnozicka
+- jupierce
+- sttts
+- hexfusion
+- mfojtik
+- soltysh
diff --git a/doozerlib/cli/ci_transforms/rhel-9/golang/Dockerfile b/doozerlib/cli/ci_transforms/rhel-9/golang/Dockerfile
new file mode 100644
index 000000000..1147c3d52
--- /dev/null
+++ b/doozerlib/cli/ci_transforms/rhel-9/golang/Dockerfile
@@ -0,0 +1,19 @@
+FROM replaced-by-buildconfig
+# Layers CI appropriate yum repository configurations on top of the ART builder images.
+# Used as a template for 'images:streams gen-buildconfigs'
+
+ENV GOARM=5 \
+    LOGNAME=deadbeef \
+    GOCACHE=/go/.cache \
+    GOPATH=/go \
+    LOGNAME=deadbeef
+ENV PATH=$PATH:$GOPATH/bin
+
+# make go related directories writeable since builds in CI will run as non-root.
+RUN mkdir -p $GOPATH && \
+    chmod g+xw -R $GOPATH && \
+    chmod g+xw -R $(go env GOROOT)
+
+# Some image building tools don't create a missing WORKDIR
+RUN mkdir -p /go/src/github.com/openshift/origin
+WORKDIR /go/src/github.com/openshift/origin
diff --git a/doozerlib/cli/images_streams.py b/doozerlib/cli/images_streams.py
index de17eb3fb..99c0880c2 100644
--- a/doozerlib/cli/images_streams.py
+++ b/doozerlib/cli/images_streams.py
@@ -264,19 +264,25 @@ def images_streams_gen_buildconfigs(runtime, streams, output, as_user, apply, li
 
     transform_rhel_7_base_repos = 'rhel-7/base-repos'
     transform_rhel_8_base_repos = 'rhel-8/base-repos'
+    transform_rhel_9_base_repos = 'rhel-9/base-repos'
     transform_rhel_7_golang = 'rhel-7/golang'
     transform_rhel_8_golang = 'rhel-8/golang'
+    transform_rhel_9_golang = 'rhel-9/golang'
     transform_rhel_7_ci_build_root = 'rhel-7/ci-build-root'
     transform_rhel_8_ci_build_root = 'rhel-8/ci-build-root'
+    transform_rhel_9_ci_build_root = 'rhel-9/ci-build-root'
 
     # The set of valid transforms
     transforms = set([
         transform_rhel_7_base_repos,
         transform_rhel_8_base_repos,
+        transform_rhel_9_base_repos,
         transform_rhel_7_golang,
         transform_rhel_8_golang,
+        transform_rhel_9_golang,
         transform_rhel_7_ci_build_root,
         transform_rhel_8_ci_build_root,
+        transform_rhel_9_ci_build_root,
     ])
 
     major = runtime.group_config.vars['MAJOR']
@@ -370,6 +376,17 @@ def add_localdev_repo_profile(profile):
                         raise IOError(f'Expected x86_64 baseurl for repo {repo_name}')
                     dfp.add_lines(f"RUN echo -e '[{localdev_repo_name}]\\nname = {localdev_repo_name}\\nid = {localdev_repo_name}\\nbaseurl = {x86_64_url}\\nenabled = 1\\ngpgcheck = 0\\n' > /etc/yum.repos.d/{localdev_repo_name}.repo")
 
+        if transform == transform_rhel_9_base_repos or config.transform == transform_rhel_9_golang:
+            # The repos transform create a build config that will layer the base image with CI appropriate yum
+            # repository definitions.
+            dfp.add_lines(f'RUN rm -rf /etc/yum.repos.d/*.repo && curl http://base-{major}-{minor}-rhel9.ocp.svc > /etc/yum.repos.d/ci-rpm-mirrors.repo')
+
+            # Allow the base repos to be used BEFORE art begins mirroring 4.x to openshift mirrors.
+            # This allows us to establish this locations later -- only disrupting CI for those
+            # components that actually need reposync'd RPMs from the mirrors.
+            dfp.add_lines('RUN yum config-manager --setopt=skip_if_unavailable=True --save')
+            add_localdev_repo_profile('el9')
+
         if transform == transform_rhel_8_base_repos or config.transform == transform_rhel_8_golang:
             # The repos transform create a build config that will layer the base image with CI appropriate yum
             # repository definitions.