diff --git a/esphome/analyze_memory/__init__.py b/esphome/analyze_memory/__init__.py
index 15cadaf859..71e86e3788 100644
--- a/esphome/analyze_memory/__init__.py
+++ b/esphome/analyze_memory/__init__.py
@@ -54,15 +54,20 @@ _COMPONENT_PREFIX_EXTERNAL = "[external]"
 _COMPONENT_CORE = f"{_COMPONENT_PREFIX_ESPHOME}core"
 _COMPONENT_API = f"{_COMPONENT_PREFIX_ESPHOME}api"
 
+# C++ namespace prefixes
+_NAMESPACE_ESPHOME = "esphome::"
+_NAMESPACE_STD = "std::"
+
+# Type alias for symbol information: (symbol_name, size, component)
+SymbolInfoType = tuple[str, int, str]
+
 
 @dataclass
 class MemorySection:
     """Represents a memory section with its symbols."""
 
     name: str
-    symbols: list[tuple[str, int, str]] = field(
-        default_factory=list
-    )  # (symbol_name, size, component)
+    symbols: list[SymbolInfoType] = field(default_factory=list)
     total_size: int = 0
 
 
@@ -246,7 +251,7 @@ class MemoryAnalyzer:
 
         # Check for special component classes first (before namespace pattern)
         # This handles cases like esphome::ESPHomeOTAComponent which should map to ota
-        if "esphome::" in demangled:
+        if _NAMESPACE_ESPHOME in demangled:
             # Check for special component classes that include component name in the class
             # For example: esphome::ESPHomeOTAComponent -> ota component
             for component_name in get_esphome_components():
@@ -271,7 +276,7 @@ class MemoryAnalyzer:
             return _COMPONENT_CORE
 
         # Check for esphome core namespace (no component namespace)
-        if "esphome::" in demangled:
+        if _NAMESPACE_ESPHOME in demangled:
             # If no component match found, it's core
             return _COMPONENT_CORE
 
@@ -480,7 +485,7 @@ class MemoryAnalyzer:
         if any(pattern in demangled for pattern in _CPP_RUNTIME_PATTERNS):
             return "C++ Runtime (vtables/RTTI)"
 
-        if demangled.startswith("std::"):
+        if demangled.startswith(_NAMESPACE_STD):
             return "C++ STL"
 
         # Check against patterns from const.py
diff --git a/esphome/analyze_memory/helpers.py b/esphome/analyze_memory/helpers.py
index 1b5a1c67c2..cb503b37c5 100644
--- a/esphome/analyze_memory/helpers.py
+++ b/esphome/analyze_memory/helpers.py
@@ -5,6 +5,11 @@ from pathlib import Path
 
 from .const import SECTION_MAPPING
 
+# Import namespace constant from parent module
+# Note: This would create a circular import if done at module level,
+# so we'll define it locally here as well
+_NAMESPACE_ESPHOME = "esphome::"
+
 
 # Get the list of actual ESPHome components by scanning the components directory
 @cache
@@ -40,10 +45,10 @@ def get_component_class_patterns(component_name: str) -> list[str]:
     component_upper = component_name.upper()
     component_camel = component_name.replace("_", "").title()
     return [
-        f"esphome::{component_upper}Component",  # e.g., esphome::OTAComponent
-        f"esphome::ESPHome{component_upper}Component",  # e.g., esphome::ESPHomeOTAComponent
-        f"esphome::{component_camel}Component",  # e.g., esphome::OtaComponent
-        f"esphome::ESPHome{component_camel}Component",  # e.g., esphome::ESPHomeOtaComponent
+        f"{_NAMESPACE_ESPHOME}{component_upper}Component",  # e.g., esphome::OTAComponent
+        f"{_NAMESPACE_ESPHOME}ESPHome{component_upper}Component",  # e.g., esphome::ESPHomeOTAComponent
+        f"{_NAMESPACE_ESPHOME}{component_camel}Component",  # e.g., esphome::OtaComponent
+        f"{_NAMESPACE_ESPHOME}ESPHome{component_camel}Component",  # e.g., esphome::ESPHomeOtaComponent
     ]
 
 
diff --git a/esphome/platformio_api.py b/esphome/platformio_api.py
index c50bb2acff..d59523a74a 100644
--- a/esphome/platformio_api.py
+++ b/esphome/platformio_api.py
@@ -378,17 +378,19 @@ class IDEData:
     @property
     def objdump_path(self) -> str:
         # replace gcc at end with objdump
+        path = self.cc_path
         return (
-            f"{self.cc_path[:-7]}objdump.exe"
-            if self.cc_path.endswith(".exe")
-            else f"{self.cc_path[:-3]}objdump"
+            f"{path[:-7]}objdump.exe"
+            if path.endswith(".exe")
+            else f"{path[:-3]}objdump"
         )
 
     @property
     def readelf_path(self) -> str:
         # replace gcc at end with readelf
+        path = self.cc_path
         return (
-            f"{self.cc_path[:-7]}readelf.exe"
-            if self.cc_path.endswith(".exe")
-            else f"{self.cc_path[:-3]}readelf"
+            f"{path[:-7]}readelf.exe"
+            if path.endswith(".exe")
+            else f"{path[:-3]}readelf"
         )