diff --git a/config.template.toml b/config.template.toml
index 9d84c5a7ff..6f626e6bee 100644
--- a/config.template.toml
+++ b/config.template.toml
@@ -217,6 +217,9 @@ llm_config = 'gpt3'
 # Use host network
 #use_host_network = false
 
+# runtime extra build args
+#runtime_extra_build_args = ["--network=host", "--add-host=host.docker.internal:host-gateway"]
+
 # Enable auto linting after editing
 #enable_auto_lint = false
 
diff --git a/openhands/core/config/sandbox_config.py b/openhands/core/config/sandbox_config.py
index fee44cbaff..c636706755 100644
--- a/openhands/core/config/sandbox_config.py
+++ b/openhands/core/config/sandbox_config.py
@@ -48,6 +48,7 @@ class SandboxConfig:
         False  # once enabled, OpenHands would lint files after editing
     )
     use_host_network: bool = False
+    runtime_extra_build_args: list[str] | None = None
     initialize_plugins: bool = True
     force_rebuild_runtime: bool = False
     runtime_extra_deps: str | None = None
diff --git a/openhands/runtime/builder/base.py b/openhands/runtime/builder/base.py
index df2ee99035..acfe3c60fb 100644
--- a/openhands/runtime/builder/base.py
+++ b/openhands/runtime/builder/base.py
@@ -8,6 +8,7 @@ class RuntimeBuilder(abc.ABC):
         path: str,
         tags: list[str],
         platform: str | None = None,
+        extra_build_args: list[str] | None = None,
     ) -> str:
         """Build the runtime image.
 
@@ -15,6 +16,7 @@ class RuntimeBuilder(abc.ABC):
             path (str): The path to the runtime image's build directory.
             tags (list[str]): The tags to apply to the runtime image (e.g., ["repo:my-repo", "sha:my-sha"]).
             platform (str, optional): The target platform for the build. Defaults to None.
+            extra_build_args (list[str], optional): Additional build arguments to pass to the builder. Defaults to None.
 
         Returns:
             str: The name:tag of the runtime image after build (e.g., "repo:sha").
diff --git a/openhands/runtime/builder/docker.py b/openhands/runtime/builder/docker.py
index 9cdf0f998f..880b1c73c5 100644
--- a/openhands/runtime/builder/docker.py
+++ b/openhands/runtime/builder/docker.py
@@ -28,8 +28,8 @@ class DockerRuntimeBuilder(RuntimeBuilder):
         path: str,
         tags: list[str],
         platform: str | None = None,
-        use_local_cache: bool = False,
         extra_build_args: list[str] | None = None,
+        use_local_cache: bool = False,
     ) -> str:
         """Builds a Docker image using BuildKit and handles the build logs appropriately.
 
diff --git a/openhands/runtime/builder/remote.py b/openhands/runtime/builder/remote.py
index c9d3228a70..5cfe1a4943 100644
--- a/openhands/runtime/builder/remote.py
+++ b/openhands/runtime/builder/remote.py
@@ -23,7 +23,13 @@ class RemoteRuntimeBuilder(RuntimeBuilder):
         self.session = requests.Session()
         self.session.headers.update({'X-API-Key': self.api_key})
 
-    def build(self, path: str, tags: list[str], platform: str | None = None) -> str:
+    def build(
+        self,
+        path: str,
+        tags: list[str],
+        platform: str | None = None,
+        extra_build_args: list[str] | None = None,
+    ) -> str:
         """Builds a Docker image using the Runtime API's /build endpoint."""
         # Create a tar archive of the build context
         tar_buffer = io.BytesIO()
diff --git a/openhands/runtime/impl/eventstream/eventstream_runtime.py b/openhands/runtime/impl/eventstream/eventstream_runtime.py
index 8cedcbe546..2dc99aa2aa 100644
--- a/openhands/runtime/impl/eventstream/eventstream_runtime.py
+++ b/openhands/runtime/impl/eventstream/eventstream_runtime.py
@@ -229,6 +229,7 @@ class EventStreamRuntime(Runtime):
                     platform=self.config.sandbox.platform,
                     extra_deps=self.config.sandbox.runtime_extra_deps,
                     force_rebuild=self.config.sandbox.force_rebuild_runtime,
+                    extra_build_args=self.config.sandbox.runtime_extra_build_args,
                 )
 
             self.log(
diff --git a/openhands/runtime/utils/runtime_build.py b/openhands/runtime/utils/runtime_build.py
index eab98befe5..de939efd9a 100644
--- a/openhands/runtime/utils/runtime_build.py
+++ b/openhands/runtime/utils/runtime_build.py
@@ -111,6 +111,7 @@ def build_runtime_image(
     build_folder: str | None = None,
     dry_run: bool = False,
     force_rebuild: bool = False,
+    extra_build_args: List[str] | None = None,
 ) -> str:
     """Prepares the final docker build folder.
     If dry_run is False, it will also build the OpenHands runtime Docker image using the docker build folder.
@@ -123,6 +124,7 @@ def build_runtime_image(
     - build_folder (str): The directory to use for the build. If not provided a temporary directory will be used
     - dry_run (bool): if True, it will only ready the build folder. It will not actually build the Docker image
     - force_rebuild (bool): if True, it will create the Dockerfile which uses the base_image
+    - extra_build_args (List[str]): Additional build arguments to pass to the builder
 
     Returns:
     - str: <image_repo>:<MD5 hash>. Where MD5 hash is the hash of the docker build folder
@@ -139,6 +141,7 @@ def build_runtime_image(
                 dry_run=dry_run,
                 force_rebuild=force_rebuild,
                 platform=platform,
+                extra_build_args=extra_build_args,
             )
             return result
 
@@ -150,6 +153,7 @@ def build_runtime_image(
         dry_run=dry_run,
         force_rebuild=force_rebuild,
         platform=platform,
+        extra_build_args=extra_build_args,
     )
     return result
 
@@ -162,6 +166,7 @@ def build_runtime_image_in_folder(
     dry_run: bool,
     force_rebuild: bool,
     platform: str | None = None,
+    extra_build_args: List[str] | None = None,
 ) -> str:
     runtime_image_repo, _ = get_runtime_image_repo_and_tag(base_image)
     lock_tag = f'oh_v{oh_version}_{get_hash_for_lock_files(base_image)}'
@@ -193,6 +198,7 @@ def build_runtime_image_in_folder(
                 lock_tag,
                 versioned_tag,
                 platform,
+                extra_build_args=extra_build_args,
             )
         return hash_image_name
 
@@ -234,6 +240,7 @@ def build_runtime_image_in_folder(
             if build_from == BuildFromImageType.SCRATCH
             else None,
             platform=platform,
+            extra_build_args=extra_build_args,
         )
 
     return hash_image_name
@@ -339,6 +346,7 @@ def _build_sandbox_image(
     lock_tag: str,
     versioned_tag: str | None,
     platform: str | None = None,
+    extra_build_args: List[str] | None = None,
 ):
     """Build and tag the sandbox image. The image will be tagged with all tags that do not yet exist"""
     names = [
@@ -350,7 +358,10 @@ def _build_sandbox_image(
     names = [name for name in names if not runtime_builder.image_exists(name, False)]
 
     image_name = runtime_builder.build(
-        path=str(build_folder), tags=names, platform=platform
+        path=str(build_folder),
+        tags=names,
+        platform=platform,
+        extra_build_args=extra_build_args,
     )
     if not image_name:
         raise RuntimeError(f'Build failed for image {names}')
diff --git a/tests/unit/test_runtime_build.py b/tests/unit/test_runtime_build.py
index 79a7c9a22b..b5cbd91056 100644
--- a/tests/unit/test_runtime_build.py
+++ b/tests/unit/test_runtime_build.py
@@ -239,6 +239,7 @@ def test_build_runtime_image_from_scratch():
                 f'{get_runtime_image_repo()}:{OH_VERSION}_mock-versioned-tag',
             ],
             platform=None,
+            extra_build_args=None,
         )
         assert (
             image_name
@@ -333,6 +334,7 @@ def test_build_runtime_image_exact_hash_not_exist_and_lock_exist():
                 # VERSION tag will NOT be included except from scratch
             ],
             platform=None,
+            extra_build_args=None,
         )
         mock_prep_build_folder.assert_called_once_with(
             ANY,
@@ -391,6 +393,7 @@ def test_build_runtime_image_exact_hash_not_exist_and_lock_not_exist_and_version
                 # VERSION tag will NOT be included except from scratch
             ],
             platform=None,
+            extra_build_args=None,
         )
         mock_prep_build_folder.assert_called_once_with(
             ANY,