diff --git a/src/app/(protected)/workorders/_components/list/table/to-inline-draft-row.ts b/src/app/(protected)/workorders/_components/list/table/to-inline-draft-row.ts
index 1ec7ee46..1c4952ad 100644
--- a/src/app/(protected)/workorders/_components/list/table/to-inline-draft-row.ts
+++ b/src/app/(protected)/workorders/_components/list/table/to-inline-draft-row.ts
@@ -16,6 +16,7 @@ export function toInlineDraftRow(draft: WorkOrderTableDraft) {
     location: draft.location,
     dispatcherId: draft.dispatcherId,
     scheduledOn: draft.scheduledOn,
+    completedDate: "",
     dueDate: draft.dueDate,
     pm: draft.pm,
     serviceNotes: draft.serviceNotes,
diff --git a/src/app/(protected)/workorders/_components/list/table/wo-table-cols.ts b/src/app/(protected)/workorders/_components/list/table/wo-table-cols.ts
index 837c8622..e9c4f1ee 100644
--- a/src/app/(protected)/workorders/_components/list/table/wo-table-cols.ts
+++ b/src/app/(protected)/workorders/_components/list/table/wo-table-cols.ts
@@ -12,8 +12,9 @@ export const WO_TABLE_COLS = [
   { key: "appt", label: "APPT TIME", w: 128 },
   { key: "status", label: "STATUS", w: 148 },
   { key: "doc", label: "COMP DOC", w: 84 },
+  { key: "completed", label: "COMPLETED DATE", w: 130 },
   { key: "actions", label: "", w: 100 },
 ] as const;
 
-export const WO_TABLE_MIN_WIDTH = 1504;
+export const WO_TABLE_MIN_WIDTH = 1634;
 export const WO_TABLE_ROW_HEIGHT = 52;
diff --git a/src/app/(protected)/workorders/_components/list/table/wo-table-inline-row-cells.tsx b/src/app/(protected)/workorders/_components/list/table/wo-table-inline-row-cells.tsx
index 19c0ed93..0dfa7ba1 100644
--- a/src/app/(protected)/workorders/_components/list/table/wo-table-inline-row-cells.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/wo-table-inline-row-cells.tsx
@@ -33,6 +33,14 @@ type WoTableInlineRowCellsProps = {
   onPatch: (patch: Partial<WorkOrderTableDraft>) => void;
 };
 
+function InlineMutedDashCell() {
+  return (
+    <td style={{ padding: "0 14px" }}>
+      <span style={{ fontSize: 11, color: "var(--color-text-muted)" }}>—</span>
+    </td>
+  );
+}
+
 export function WoTableInlineRowCells({
   draft,
   weekDefault,
@@ -164,9 +172,8 @@ export function WoTableInlineRowCells({
         />
       </td>
 
-      <td style={{ padding: "0 14px" }}>
-        <span style={{ fontSize: 11, color: "var(--color-text-muted)" }}>—</span>
-      </td>
+      <InlineMutedDashCell />
+      <InlineMutedDashCell />
     </>
   );
 }
diff --git a/src/app/(protected)/workorders/_components/list/table/wo-table-row-service-cells.tsx b/src/app/(protected)/workorders/_components/list/table/wo-table-row-service-cells.tsx
index 143cc46a..7974f536 100644
--- a/src/app/(protected)/workorders/_components/list/table/wo-table-row-service-cells.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/wo-table-row-service-cells.tsx
@@ -3,6 +3,7 @@ import type { VendorDropdownItem } from "@/domain/work-orders/types/work-order";
 import type { WorkOrderTableRow } from "@/domain/work-orders/types/work-order-table-row";
 import { ApptTimeCell } from "./cells/appt-time-cell";
 import { CompDocCell } from "./cells/comp-doc-cell";
+import { DateCell } from "./cells/date-cell";
 import { PMTypeCell } from "./cells/pm-type-cell";
 import { StatusCell } from "./cells/status-cell";
 import { VendorCell } from "./cells/vendor-cell";
@@ -102,6 +103,17 @@ export function WoTableRowServiceCells({
           onOpenMedia={() => handlers.onOpenMedia(row)}
         />
       </td>
+      <td
+        className="group/cell"
+        style={{ padding: "0 14px", ...mutationCellStyle }}
+        onClick={(e) => e.stopPropagation()}
+      >
+        <DateCell
+          value={row.completedDate}
+          q={search}
+          onSave={(date) => onPatchRow({ completedDate: date })}
+        />
+      </td>
     </>
   );
 }
diff --git a/src/domain/work-orders/types/work-order-board.ts b/src/domain/work-orders/types/work-order-board.ts
index 22c9c043..64f5158e 100644
--- a/src/domain/work-orders/types/work-order-board.ts
+++ b/src/domain/work-orders/types/work-order-board.ts
@@ -147,6 +147,8 @@ export interface WorkOrderBoardRowApi {
   flagColor?: string | null;
   dueDate?: string | null;
   scheduledDate?: string | null;
+  /** ISO date when work was completed; optional on list rows until BE confirms. */
+  completedDate?: string | null;
   targetWeek?: string | null;
   scheduleWeekOnly?: boolean | null;
   dayGroup?: string | null;
diff --git a/src/domain/work-orders/utils/slide-over-draft.ts b/src/domain/work-orders/utils/slide-over-draft.ts
index 4bc824e3..2b4a3226 100644
--- a/src/domain/work-orders/utils/slide-over-draft.ts
+++ b/src/domain/work-orders/utils/slide-over-draft.ts
@@ -18,6 +18,7 @@ export const SLIDE_OVER_EDIT_KEYS = [
   "targetWeek",
   "scheduleWeekOnly",
   "dueDate",
+  "completedDate",
   "apptTime",
   "pm",
   "serviceNotes",
diff --git a/src/test/domain/work-orders/mappers/completed-date-board-column.test.ts b/src/test/domain/work-orders/mappers/completed-date-board-column.test.ts
new file mode 100644
index 00000000..9b74c71a
--- /dev/null
+++ b/src/test/domain/work-orders/mappers/completed-date-board-column.test.ts
@@ -0,0 +1,26 @@
+import { describe, expect, it } from "vitest";
+import { WO_TABLE_COLS } from "@/app/(protected)/workorders/_components/list/table/wo-table-cols";
+import { expandScalarBoardOps } from "@/domain/work-orders/mappers/expand-scalar-board-ops";
+import { mapWorkOrderTableRow } from "@/domain/work-orders/mappers/work-order-table-row-mapper";
+
+describe("COMPLETED DATE board column wiring", () => {
+  it("includes COMPLETED DATE column after COMP DOC", () => {
+    const keys = WO_TABLE_COLS.map((col) => col.key);
+    expect(keys).toContain("completed");
+    expect(keys.indexOf("completed")).toBeGreaterThan(keys.indexOf("doc"));
+  });
+
+  it("expands completedDate patch to board field op", () => {
+    const ops = expandScalarBoardOps({ completedDate: "2026-07-30" });
+    expect(ops).toEqual([{ field: "completedDate", value: "2026-07-30" }]);
+  });
+
+  it("maps completedDate returned by a board GET row", () => {
+    const row = mapWorkOrderTableRow({
+      id: 42,
+      completedDate: "2026-07-30T00:00:00Z",
+    });
+
+    expect(row.completedDate).toBe("2026-07-30");
+  });
+});