diff --git a/shared/src/business/entities/DocketEntry.ts b/shared/src/business/entities/DocketEntry.ts
index c844a0d158c..482451e1260 100644
--- a/shared/src/business/entities/DocketEntry.ts
+++ b/shared/src/business/entities/DocketEntry.ts
@@ -99,6 +99,7 @@ export class DocketEntry extends JoiValidationEntity {
   public docketNumbers?: string;
   public documentContentsId?: string;
   public documentIdBeforeSignature?: string;
+  public documentStorageId?: string; // 8477TODO: make sure its not optional after migration
   public documentTitle: string;
   public documentType?: string;
   public eventCode: string; // technically optional as draft docketEntry does not require it
diff --git a/web-api/src/persistence/postgres/docketEntries/mapper.ts b/web-api/src/persistence/postgres/docketEntries/mapper.ts
index 328f92557c9..1410d2cb8e4 100644
--- a/web-api/src/persistence/postgres/docketEntries/mapper.ts
+++ b/web-api/src/persistence/postgres/docketEntries/mapper.ts
@@ -29,6 +29,8 @@ export function toKyselyNewDocketEntry(
     docketNumbers: docketEntry.docketNumbers ?? null,
     documentContentsId: docketEntry.documentContentsId ?? null,
     documentIdBeforeSignature: docketEntry.documentIdBeforeSignature ?? null,
+    documentStorageId:
+      docketEntry.documentStorageId ?? docketEntry.docketEntryId, // 8477TODO: temp, remove after migration
     documentTitle: docketEntry.documentTitle,
     documentType: docketEntry.documentType ?? null,
     draftOrderState: docketEntry.draftOrderState
diff --git a/web-api/src/persistence/postgres/docketEntries/schema.ts b/web-api/src/persistence/postgres/docketEntries/schema.ts
index a721069c8df..4d6c66d10ac 100644
--- a/web-api/src/persistence/postgres/docketEntries/schema.ts
+++ b/web-api/src/persistence/postgres/docketEntries/schema.ts
@@ -19,6 +19,7 @@ export const docketEntryTableDefinition = {
   docketNumbers: DEFAULT as string | null,
   documentContentsId: DEFAULT as string | null,
   documentIdBeforeSignature: DEFAULT as string | null,
+  documentStorageId: DEFAULT as string | null,
   documentTitle: DEFAULT as string,
   documentType: DEFAULT as string | null,
   draftOrderState: DEFAULT as ColumnType<
diff --git a/web-api/src/persistence/postgres/utils/migrate/migrations/2025-11-10T19_41_33Z-s3-refactor.ts b/web-api/src/persistence/postgres/utils/migrate/migrations/2025-11-10T19_41_33Z-s3-refactor.ts
new file mode 100644
index 00000000000..ef81c426148
--- /dev/null
+++ b/web-api/src/persistence/postgres/utils/migrate/migrations/2025-11-10T19_41_33Z-s3-refactor.ts
@@ -0,0 +1,15 @@
+import { Kysely } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('dwDocketEntry')
+    .addColumn('documentStorageId', 'varchar')
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('dwDocketEntry')
+    .dropColumn('documentStorageId')
+    .execute();
+}