diff --git a/.github/workflows/examples-efr32.yaml b/.github/workflows/examples-efr32.yaml
index 897908b8bd7c8d..93906993921c4d 100644
--- a/.github/workflows/examples-efr32.yaml
+++ b/.github/workflows/examples-efr32.yaml
@@ -71,25 +71,25 @@ jobs:
             .environment/gn_out/.ninja_log
             .environment/pigweed-venv/*.log
 
-      - name: Build some BRD4161A variants
+      - name: Build some BRD4187C variants
         timeout-minutes: 50
         run: |
           ./scripts/run_in_build_env.sh \
              "./scripts/build/build_examples.py \
                 --enable-flashbundle \
-                --target-glob '*-brd4161a-{lock,light,switch,window-covering,unit-test}' \
+                --target-glob '*-brd4187c-{lock,light,switch,window-covering,unit-test}' \
                 build \
                 --copy-artifacts-to out/artifacts \
              "
       - name: Prepare some bloat report from the previous builds
         run: |
           .environment/pigweed-venv/bin/python3 scripts/tools/memory/gh_sizes.py \
-             efr32 BRD4161A lighting-app \
-             out/efr32-brd4161a-light/chip-efr32-lighting-example.out \
+             efr32 BRD4187C lighting-app \
+             out/efr32-brd4187c-light/chip-efr32-lighting-example.out \
              /tmp/bloat_reports/
           .environment/pigweed-venv/bin/python3 scripts/tools/memory/gh_sizes.py  \
-             efr32 BRD4161A window-app \
-             out/efr32-brd4161a-window-covering/chip-efr32-window-example.out \
+             efr32 BRD4187C window-app \
+             out/efr32-brd4187c-window-covering/chip-efr32-window-example.out \
              /tmp/bloat_reports/
       - name: Build example EFR32 Lighting App for BRD4161A with RPCs
         timeout-minutes: 15
diff --git a/scripts/build/build/targets.py b/scripts/build/build/targets.py
index 999529ef5f5b4b..976fc80381c506 100755
--- a/scripts/build/build/targets.py
+++ b/scripts/build/build/targets.py
@@ -400,6 +400,7 @@ def Efr32Targets():
 
     board_targets = [
         efr_target.Extend('brd4161a', board=Efr32Board.BRD4161A),
+        efr_target.Extend('brd4187c', board=Efr32Board.BRD4187C),
         efr_target.Extend('brd4163a', board=Efr32Board.BRD4163A).GlobBlacklist(
             'only user requested'),
         efr_target.Extend('brd4164a', board=Efr32Board.BRD4164A).GlobBlacklist(
diff --git a/scripts/build/builders/efr32.py b/scripts/build/builders/efr32.py
index 34979314923751..6978366fed8fed 100644
--- a/scripts/build/builders/efr32.py
+++ b/scripts/build/builders/efr32.py
@@ -81,6 +81,7 @@ class Efr32Board(Enum):
     BRD4186A = 6
     BRD4187A = 7
     BRD4304A = 8
+    BRD4187C = 9
 
     def GnArgName(self):
         if self == Efr32Board.BRD4161A:
@@ -99,6 +100,8 @@ def GnArgName(self):
             return 'BRD4187A'
         elif self == Efr32Board.BRD4304A:
             return 'BRD4304A'
+        elif self == Efr32Board.BRD4187C:
+            return 'BRD4187C'
         else:
             raise Exception('Unknown board #: %r' % self)
 
diff --git a/scripts/build/testdata/all_targets_except_host.txt b/scripts/build/testdata/all_targets_except_host.txt
index c30e44fc41b5e6..247535b2ba885a 100644
--- a/scripts/build/testdata/all_targets_except_host.txt
+++ b/scripts/build/testdata/all_targets_except_host.txt
@@ -130,6 +130,20 @@ efr32-brd4187a-unit-test (NOGLOB: only user requested)
 efr32-brd4187a-unit-test-with-ota-requestor (NOGLOB: only user requested)
 efr32-brd4187a-window-covering (NOGLOB: only user requested)
 efr32-brd4187a-window-covering-with-ota-requestor (NOGLOB: only user requested)
+efr32-brd4187c-light
+efr32-brd4187c-light-rpc
+efr32-brd4187c-light-rpc-with-ota-requestor (NOGLOB: Reduce default build variants)
+efr32-brd4187c-light-with-ota-requestor (NOGLOB: Reduce default build variants)
+efr32-brd4187c-lock
+efr32-brd4187c-lock-rpc
+efr32-brd4187c-lock-rpc-with-ota-requestor (NOGLOB: Reduce default build variants)
+efr32-brd4187c-lock-with-ota-requestor (NOGLOB: Reduce default build variants)
+efr32-brd4187c-switch
+efr32-brd4187c-switch-with-ota-requestor (NOGLOB: Reduce default build variants)
+efr32-brd4187c-unit-test
+efr32-brd4187c-unit-test-with-ota-requestor (NOGLOB: Reduce default build variants)
+efr32-brd4187c-window-covering
+efr32-brd4187c-window-covering-with-ota-requestor (NOGLOB: Reduce default build variants)
 efr32-brd4304a-light (NOGLOB: only user requested)
 efr32-brd4304a-light-rpc (NOGLOB: only user requested)
 efr32-brd4304a-light-rpc-with-ota-requestor (NOGLOB: only user requested)
diff --git a/scripts/build/testdata/build_all_except_host.txt b/scripts/build/testdata/build_all_except_host.txt
index 48b2f68c78ba30..b131ac868ecadc 100644
--- a/scripts/build/testdata/build_all_except_host.txt
+++ b/scripts/build/testdata/build_all_except_host.txt
@@ -487,6 +487,48 @@ gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/exa
 # Generating efr32-brd4187a-window-covering-with-ota-requestor
 gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/window-app/efr32 '--args=silabs_board="BRD4187A" chip_enable_ota_requestor=true' {out}/efr32-brd4187a-window-covering-with-ota-requestor
 
+# Generating efr32-brd4187c-light
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lighting-app/efr32 '--args=silabs_board="BRD4187C"' {out}/efr32-brd4187c-light
+
+# Generating efr32-brd4187c-light-rpc
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lighting-app/efr32 '--args=silabs_board="BRD4187C" is_debug=false import("//with_pw_rpc.gni")' {out}/efr32-brd4187c-light-rpc
+
+# Generating efr32-brd4187c-light-rpc-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lighting-app/efr32 '--args=silabs_board="BRD4187C" is_debug=false import("//with_pw_rpc.gni") chip_enable_ota_requestor=true' {out}/efr32-brd4187c-light-rpc-with-ota-requestor
+
+# Generating efr32-brd4187c-light-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lighting-app/efr32 '--args=silabs_board="BRD4187C" chip_enable_ota_requestor=true' {out}/efr32-brd4187c-light-with-ota-requestor
+
+# Generating efr32-brd4187c-lock
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lock-app/efr32 '--args=silabs_board="BRD4187C"' {out}/efr32-brd4187c-lock
+
+# Generating efr32-brd4187c-lock-rpc
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lock-app/efr32 '--args=silabs_board="BRD4187C" is_debug=false import("//with_pw_rpc.gni")' {out}/efr32-brd4187c-lock-rpc
+
+# Generating efr32-brd4187c-lock-rpc-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lock-app/efr32 '--args=silabs_board="BRD4187C" is_debug=false import("//with_pw_rpc.gni") chip_enable_ota_requestor=true' {out}/efr32-brd4187c-lock-rpc-with-ota-requestor
+
+# Generating efr32-brd4187c-lock-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lock-app/efr32 '--args=silabs_board="BRD4187C" chip_enable_ota_requestor=true' {out}/efr32-brd4187c-lock-with-ota-requestor
+
+# Generating efr32-brd4187c-switch
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/light-switch-app/efr32 '--args=silabs_board="BRD4187C"' {out}/efr32-brd4187c-switch
+
+# Generating efr32-brd4187c-switch-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/light-switch-app/efr32 '--args=silabs_board="BRD4187C" chip_enable_ota_requestor=true' {out}/efr32-brd4187c-switch-with-ota-requestor
+
+# Generating efr32-brd4187c-unit-test
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/src/test_driver/efr32 '--args=silabs_board="BRD4187C"' {out}/efr32-brd4187c-unit-test
+
+# Generating efr32-brd4187c-unit-test-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/src/test_driver/efr32 '--args=silabs_board="BRD4187C" chip_enable_ota_requestor=true' {out}/efr32-brd4187c-unit-test-with-ota-requestor
+
+# Generating efr32-brd4187c-window-covering
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/window-app/efr32 '--args=silabs_board="BRD4187C"' {out}/efr32-brd4187c-window-covering
+
+# Generating efr32-brd4187c-window-covering-with-ota-requestor
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/window-app/efr32 '--args=silabs_board="BRD4187C" chip_enable_ota_requestor=true' {out}/efr32-brd4187c-window-covering-with-ota-requestor
+
 # Generating efr32-brd4304a-light
 gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/lighting-app/efr32 '--args=silabs_board="BRD4304A"' {out}/efr32-brd4304a-light
 
@@ -1889,6 +1931,48 @@ ninja -C {out}/efr32-brd4187a-window-covering
 # Building efr32-brd4187a-window-covering-with-ota-requestor
 ninja -C {out}/efr32-brd4187a-window-covering-with-ota-requestor
 
+# Building efr32-brd4187c-light
+ninja -C {out}/efr32-brd4187c-light
+
+# Building efr32-brd4187c-light-rpc
+ninja -C {out}/efr32-brd4187c-light-rpc
+
+# Building efr32-brd4187c-light-rpc-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-light-rpc-with-ota-requestor
+
+# Building efr32-brd4187c-light-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-light-with-ota-requestor
+
+# Building efr32-brd4187c-lock
+ninja -C {out}/efr32-brd4187c-lock
+
+# Building efr32-brd4187c-lock-rpc
+ninja -C {out}/efr32-brd4187c-lock-rpc
+
+# Building efr32-brd4187c-lock-rpc-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-lock-rpc-with-ota-requestor
+
+# Building efr32-brd4187c-lock-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-lock-with-ota-requestor
+
+# Building efr32-brd4187c-switch
+ninja -C {out}/efr32-brd4187c-switch
+
+# Building efr32-brd4187c-switch-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-switch-with-ota-requestor
+
+# Building efr32-brd4187c-unit-test
+ninja -C {out}/efr32-brd4187c-unit-test
+
+# Building efr32-brd4187c-unit-test-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-unit-test-with-ota-requestor
+
+# Building efr32-brd4187c-window-covering
+ninja -C {out}/efr32-brd4187c-window-covering
+
+# Building efr32-brd4187c-window-covering-with-ota-requestor
+ninja -C {out}/efr32-brd4187c-window-covering-with-ota-requestor
+
 # Building efr32-brd4304a-light
 ninja -C {out}/efr32-brd4304a-light
 
diff --git a/scripts/build/testdata/glob_star_targets_except_host.txt b/scripts/build/testdata/glob_star_targets_except_host.txt
index ecf21d637c058a..15ba044b6a52e4 100644
--- a/scripts/build/testdata/glob_star_targets_except_host.txt
+++ b/scripts/build/testdata/glob_star_targets_except_host.txt
@@ -38,6 +38,13 @@ efr32-brd4161a-lock-rpc
 efr32-brd4161a-switch
 efr32-brd4161a-unit-test
 efr32-brd4161a-window-covering
+efr32-brd4187c-light
+efr32-brd4187c-light-rpc
+efr32-brd4187c-lock
+efr32-brd4187c-lock-rpc
+efr32-brd4187c-switch
+efr32-brd4187c-unit-test
+efr32-brd4187c-window-covering
 esp32-c3devkit-all-clusters
 esp32-c3devkit-all-clusters-minimal
 esp32-devkitc-all-clusters