diff --git a/app/schemas/address.py b/app/schemas/address.py
new file mode 100644
index 0000000..8518c21
--- /dev/null
+++ b/app/schemas/address.py
@@ -0,0 +1,59 @@
+"""Address schemas — create, update, read, list."""
+
+from __future__ import annotations
+
+from pydantic import BaseModel, Field
+
+
+class AddressCreate(BaseModel):
+    entity_type: str = Field(..., pattern="^(company|contact)$", description="'company' or 'contact'")
+    entity_id: str = Field(..., description="UUID of the parent entity")
+    label: str = Field(..., min_length=1, max_length=100)
+    address_type: str = Field(
+        ...,
+        pattern="^(billing|shipping|headquarters|branch|private|other)$",
+    )
+    street: str | None = Field(None, max_length=255)
+    street_number: str | None = Field(None, max_length=20)
+    city: str | None = Field(None, max_length=100)
+    zip: str | None = Field(None, max_length=20)
+    state: str | None = Field(None, max_length=100)
+    country: str | None = Field(None, max_length=2)
+    is_default: bool = False
+
+
+class AddressUpdate(BaseModel):
+    label: str | None = Field(None, min_length=1, max_length=100)
+    address_type: str | None = Field(
+        None,
+        pattern="^(billing|shipping|headquarters|branch|private|other)$",
+    )
+    street: str | None = Field(None, max_length=255)
+    street_number: str | None = Field(None, max_length=20)
+    city: str | None = Field(None, max_length=100)
+    zip: str | None = Field(None, max_length=20)
+    state: str | None = Field(None, max_length=100)
+    country: str | None = Field(None, max_length=2)
+    is_default: bool | None = None
+
+
+class AddressResponse(BaseModel):
+    id: str
+    entity_type: str
+    entity_id: str
+    label: str
+    address_type: str
+    street: str | None = None
+    street_number: str | None = None
+    city: str | None = None
+    zip: str | None = None
+    state: str | None = None
+    country: str | None = None
+    is_default: bool
+    created_at: str | None = None
+    updated_at: str | None = None
+
+
+class AddressListResponse(BaseModel):
+    items: list[AddressResponse]
+    total: int