diff --git a/script/determine-jobs.py b/script/determine-jobs.py
index ac384d74f1..21eb529f33 100755
--- a/script/determine-jobs.py
+++ b/script/determine-jobs.py
@@ -48,7 +48,6 @@ import sys
 from typing import Any
 
 from helpers import (
-    BASE_BUS_COMPONENTS,
     CPP_FILE_EXTENSIONS,
     PYTHON_FILE_EXTENSIONS,
     changed_files,
@@ -453,7 +452,7 @@ def detect_memory_impact_config(
     # Get actually changed files (not dependencies)
     files = changed_files(branch)
 
-    # Find all changed components (excluding core and base bus components)
+    # Find all changed components (excluding core)
     # Also collect platform hints from platform-specific filenames
     changed_component_set: set[str] = set()
     has_core_cpp_changes = False
@@ -462,13 +461,13 @@ def detect_memory_impact_config(
     for file in files:
         component = get_component_from_path(file)
         if component:
-            # Skip base bus components as they're used across many builds
-            if component not in BASE_BUS_COMPONENTS:
-                changed_component_set.add(component)
-                # Check if this is a platform-specific file
-                platform_hint = _detect_platform_hint_from_filename(file)
-                if platform_hint:
-                    platform_hints.append(platform_hint)
+            # Add all changed components, including base bus components
+            # Base bus components (uart, i2c, spi, etc.) should still be analyzed
+            # when directly changed, even though they're also used as dependencies
+            changed_component_set.add(component)
+            # Check if this is a platform-specific file
+            if platform_hint := _detect_platform_hint_from_filename(file):
+                platform_hints.append(platform_hint)
         elif file.startswith("esphome/") and file.endswith(CPP_FILE_EXTENSIONS):
             # Core ESPHome C++ files changed (not component-specific)
             # Only C++ files affect memory usage
diff --git a/tests/script/test_determine_jobs.py b/tests/script/test_determine_jobs.py
index c9ccf53252..c8ef76184f 100644
--- a/tests/script/test_determine_jobs.py
+++ b/tests/script/test_determine_jobs.py
@@ -849,39 +849,47 @@ def test_detect_memory_impact_config_no_components_with_tests(tmp_path: Path) ->
     assert result["should_run"] == "false"
 
 
-def test_detect_memory_impact_config_skips_base_bus_components(tmp_path: Path) -> None:
-    """Test that base bus components (i2c, spi, uart) are skipped."""
+def test_detect_memory_impact_config_includes_base_bus_components(
+    tmp_path: Path,
+) -> None:
+    """Test that base bus components (i2c, spi, uart) are included when directly changed.
+
+    Base bus components should be analyzed for memory impact when they are directly
+    changed, even though they are often used as dependencies. This ensures that
+    optimizations to base components (like using move semantics or initializer_list)
+    are properly measured.
+    """
     # Create test directory structure
     tests_dir = tmp_path / "tests" / "components"
 
-    # i2c component (should be skipped as it's a base bus component)
-    i2c_dir = tests_dir / "i2c"
-    i2c_dir.mkdir(parents=True)
-    (i2c_dir / "test.esp32-idf.yaml").write_text("test: i2c")
+    # uart component (base bus component that should be included)
+    uart_dir = tests_dir / "uart"
+    uart_dir.mkdir(parents=True)
+    (uart_dir / "test.esp32-idf.yaml").write_text("test: uart")
 
-    # wifi component (should not be skipped)
+    # wifi component (regular component)
     wifi_dir = tests_dir / "wifi"
     wifi_dir.mkdir(parents=True)
     (wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
 
-    # Mock changed_files to return both i2c and wifi
+    # Mock changed_files to return both uart and wifi
     with (
         patch.object(determine_jobs, "root_path", str(tmp_path)),
         patch.object(helpers, "root_path", str(tmp_path)),
         patch.object(determine_jobs, "changed_files") as mock_changed_files,
     ):
         mock_changed_files.return_value = [
-            "esphome/components/i2c/i2c.cpp",
+            "esphome/components/uart/automation.h",  # Header file with inline code
             "esphome/components/wifi/wifi.cpp",
         ]
         determine_jobs._component_has_tests.cache_clear()
 
         result = determine_jobs.detect_memory_impact_config()
 
-    # Should only include wifi, not i2c
+    # Should include both uart and wifi
     assert result["should_run"] == "true"
-    assert result["components"] == ["wifi"]
-    assert "i2c" not in result["components"]
+    assert set(result["components"]) == {"uart", "wifi"}
+    assert result["platform"] == "esp32-idf"  # Common platform
 
 
 def test_detect_memory_impact_config_with_variant_tests(tmp_path: Path) -> None: