diff --git a/.changeset/dry-bugs-invite.md b/.changeset/dry-bugs-invite.md
new file mode 100644
index 000000000..3e57b4df1
--- /dev/null
+++ b/.changeset/dry-bugs-invite.md
@@ -0,0 +1,5 @@
+---
+'@powersync/common': minor
+---
+
+[Attachments] Added `AttachmentTableRecord` type, which describes the attachment table's row type.
diff --git a/packages/common/etc/common.api.md b/packages/common/etc/common.api.md
index 9012adc3e..fa41eaed3 100644
--- a/packages/common/etc/common.api.md
+++ b/packages/common/etc/common.api.md
@@ -373,6 +373,18 @@ export interface ArrayQueryDefinition<RowType = unknown> {
 // @alpha
 export const ATTACHMENT_TABLE = "attachments";
 
+// @alpha (undocumented)
+export const ATTACHMENT_TABLE_COLUMNS: {
+    filename: BaseColumnType<string | null>;
+    local_uri: BaseColumnType<string | null>;
+    timestamp: BaseColumnType<number | null>;
+    size: BaseColumnType<number | null>;
+    media_type: BaseColumnType<string | null>;
+    state: BaseColumnType<number | null>;
+    has_synced: BaseColumnType<number | null>;
+    meta_data: BaseColumnType<string | null>;
+};
+
 // @alpha
 export class AttachmentContext {
     constructor(db: AbstractPowerSyncDatabase, tableName: string | undefined, logger: ILogger, archivedCacheLimit: number);
@@ -506,7 +518,7 @@ export enum AttachmentState {
 }
 
 // @alpha
-export class AttachmentTable extends Table {
+export class AttachmentTable extends Table<typeof ATTACHMENT_TABLE_COLUMNS> {
     constructor(options?: AttachmentTableOptions);
 }
 
@@ -514,6 +526,9 @@ export class AttachmentTable extends Table {
 export interface AttachmentTableOptions extends Omit<TableV2Options, 'name' | 'columns'> {
 }
 
+// @alpha
+export type AttachmentTableRecord = RowType<AttachmentTable>;
+
 // @public (undocumented)
 export type BaseColumnType<T extends number | string | null> = {
     type: ColumnType;
diff --git a/packages/common/src/attachments/Schema.ts b/packages/common/src/attachments/Schema.ts
index 1714e1d75..f7ac5bfe9 100644
--- a/packages/common/src/attachments/Schema.ts
+++ b/packages/common/src/attachments/Schema.ts
@@ -1,5 +1,5 @@
 import { column } from '../db/schema/Column.js';
-import { Table } from '../db/schema/Table.js';
+import { RowType, Table } from '../db/schema/Table.js';
 import { TableV2Options } from '../db/schema/Table.js';
 
 /**
@@ -66,30 +66,39 @@ export enum AttachmentState {
  */
 export interface AttachmentTableOptions extends Omit<TableV2Options, 'name' | 'columns'> {}
 
+/**
+ * @alpha
+ */
+export const ATTACHMENT_TABLE_COLUMNS = {
+  filename: column.text,
+  local_uri: column.text,
+  timestamp: column.integer,
+  size: column.integer,
+  media_type: column.text,
+  state: column.integer, // Corresponds to AttachmentState
+  has_synced: column.integer,
+  meta_data: column.text
+};
+
 /**
  * AttachmentTable defines the schema for the attachment queue table.
  *
  * @alpha
  */
-export class AttachmentTable extends Table {
+export class AttachmentTable extends Table<typeof ATTACHMENT_TABLE_COLUMNS> {
   constructor(options?: AttachmentTableOptions) {
-    super(
-      {
-        filename: column.text,
-        local_uri: column.text,
-        timestamp: column.integer,
-        size: column.integer,
-        media_type: column.text,
-        state: column.integer, // Corresponds to AttachmentState
-        has_synced: column.integer,
-        meta_data: column.text
-      },
-      {
-        ...options,
-        viewName: options?.viewName ?? ATTACHMENT_TABLE,
-        localOnly: true,
-        insertOnly: false
-      }
-    );
+    super(ATTACHMENT_TABLE_COLUMNS, {
+      ...options,
+      viewName: options?.viewName ?? ATTACHMENT_TABLE,
+      localOnly: true,
+      insertOnly: false
+    });
   }
 }
+
+/**
+ * AttachmentTableRecord represents the row type of the attachment table.
+ *
+ * @alpha
+ */
+export type AttachmentTableRecord = RowType<AttachmentTable>;