diff --git a/src/app/(protected)/workorders/_components/list/table/cells/due-date-cell.tsx b/src/app/(protected)/workorders/_components/list/table/cells/due-date-cell.tsx
index c212b795..1c30600c 100644
--- a/src/app/(protected)/workorders/_components/list/table/cells/due-date-cell.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/cells/due-date-cell.tsx
@@ -10,6 +10,12 @@ type DueDateCellProps = {
   value: string;
   q?: string;
   highlight?: boolean;
+  /**
+   * Past-due is durable business state, unlike `highlight`, which is also raised
+   * transiently to draw attention to a row. Announce it so the state does not
+   * read by colour alone.
+   */
+  pastDue?: boolean;
   onSave: (date: string) => void;
 };
 
@@ -17,11 +23,23 @@ type DueDateCellProps = {
  * Board / slide-over Due Date editor.
  * Emergency → dedicated calendar Dialog; other types → standard DateCell popover.
  */
-export function DueDateCell({ type, value, q, highlight, onSave }: DueDateCellProps) {
+export function DueDateCell({
+  type,
+  value,
+  q,
+  highlight,
+  pastDue = false,
+  onSave,
+}: DueDateCellProps) {
   const [open, setOpen] = useState(false);
 
   if (type !== "Emergency") {
-    return <DateCell value={value} q={q} highlight={highlight} onSave={onSave} />;
+    return (
+      <>
+        <DateCell value={value} q={q} highlight={highlight} onSave={onSave} />
+        {pastDue && <span className="sr-only">Past due</span>}
+      </>
+    );
   }
 
   return (
@@ -43,7 +61,7 @@ export function DueDateCell({ type, value, q, highlight, onSave }: DueDateCellPr
               }
             : undefined
         }
-        aria-label="Due Date"
+        aria-label={pastDue ? "Due Date, past due" : "Due Date"}
         aria-haspopup="dialog"
       >
         <span className="flex min-w-0 flex-1 items-center gap-1.5 overflow-hidden">
diff --git a/src/app/(protected)/workorders/_components/list/table/cells/wo-counter-pills.tsx b/src/app/(protected)/workorders/_components/list/table/cells/wo-counter-pills.tsx
index 3dad9c2d..a98552ae 100644
--- a/src/app/(protected)/workorders/_components/list/table/cells/wo-counter-pills.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/cells/wo-counter-pills.tsx
@@ -51,14 +51,18 @@ export function CarriedOverCounterPill({ count }: { count: number }) {
     return null;
   }
 
+  const label = `Carried over ${count} times`;
+
   return (
-    <span
-      title="Carried over"
-      className="inline-flex h-[18px] items-center rounded px-1.5 text-[10px] font-semibold"
-      style={MUTED_PILL_STYLE}
-    >
-      {count}
-    </span>
+    <Tooltip title="Carried over" arrow placement="top">
+      <span
+        aria-label={label}
+        className="inline-flex h-[18px] items-center rounded px-1.5 text-[10px] font-semibold"
+        style={MUTED_PILL_STYLE}
+      >
+        {count}
+      </span>
+    </Tooltip>
   );
 }
 
diff --git a/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx b/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx
index bb904aaa..aac347e1 100644
--- a/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx
+++ b/src/app/(protected)/workorders/_components/list/table/wo-table-row-cells.tsx
@@ -141,6 +141,7 @@ export function WoTableRowCells({
           value={row.dueDate}
           q={search}
           highlight={forceDueDateHighlight || row.isPastDue}
+          pastDue={row.isPastDue}
           onSave={(date) => onPatchRow({ dueDate: date })}
         />
       </td>
diff --git a/src/test/app/(protected)/workorders/carried-over-counter-pill.test.tsx b/src/test/app/(protected)/workorders/carried-over-counter-pill.test.tsx
new file mode 100644
index 00000000..277f4a73
--- /dev/null
+++ b/src/test/app/(protected)/workorders/carried-over-counter-pill.test.tsx
@@ -0,0 +1,34 @@
+import { screen } from "@testing-library/react";
+import { describe, expect, it } from "vitest";
+import {
+  CarriedOverCounterPill,
+  RescheduleCounterPill,
+} from "@/app/(protected)/workorders/_components/list/table/cells/wo-counter-pills";
+import { renderWithProviders } from "@/test/test-utils";
+
+describe("CarriedOverCounterPill", () => {
+  it("hides the pill when the count is below 2", () => {
+    const { container } = renderWithProviders(<CarriedOverCounterPill count={1} />);
+    expect(container).toBeEmptyDOMElement();
+  });
+
+  it("names the count so it is not a bare number", () => {
+    renderWithProviders(<CarriedOverCounterPill count={3} />);
+    const pill = screen.getByLabelText(/Carried over 3 times/i);
+    expect(pill).toHaveTextContent("3");
+  });
+
+  it("is distinguishable from the reschedule pill beside it", () => {
+    renderWithProviders(
+      <>
+        <RescheduleCounterPill count={2} />
+        <CarriedOverCounterPill count={2} />
+      </>,
+    );
+
+    // Both render the same visible digit, so the accessible names are the only
+    // thing telling a non-sighted user which counter is which.
+    expect(screen.getByLabelText(/Rescheduled 2 times/i)).toBeInTheDocument();
+    expect(screen.getByLabelText(/Carried over 2 times/i)).toBeInTheDocument();
+  });
+});
diff --git a/src/test/app/(protected)/workorders/due-date-past-due-announcement.test.tsx b/src/test/app/(protected)/workorders/due-date-past-due-announcement.test.tsx
new file mode 100644
index 00000000..9606c43a
--- /dev/null
+++ b/src/test/app/(protected)/workorders/due-date-past-due-announcement.test.tsx
@@ -0,0 +1,33 @@
+import { screen } from "@testing-library/react";
+import { describe, expect, it, vi } from "vitest";
+import { DueDateCell } from "@/app/(protected)/workorders/_components/list/table/cells/due-date-cell";
+import { renderWithProviders } from "@/test/test-utils";
+
+describe("Due Date past-due announcement", () => {
+  it("names the past-due state on the Emergency due date control", () => {
+    renderWithProviders(
+      <DueDateCell type="Emergency" value="2026-07-03" pastDue highlight onSave={vi.fn()} />,
+    );
+    expect(screen.getByLabelText("Due Date, past due")).toBeInTheDocument();
+  });
+
+  it("keeps the plain name when the work order is not past due", () => {
+    renderWithProviders(<DueDateCell type="Emergency" value="2026-07-03" onSave={vi.fn()} />);
+    expect(screen.getByLabelText("Due Date")).toBeInTheDocument();
+    expect(screen.queryByLabelText("Due Date, past due")).not.toBeInTheDocument();
+  });
+
+  it("does not announce past due for a transient highlight alone", () => {
+    // `highlight` is also raised to draw attention to a row, which is not a
+    // durable state and must not be announced as one.
+    renderWithProviders(
+      <DueDateCell type="Emergency" value="2026-07-03" highlight onSave={vi.fn()} />,
+    );
+    expect(screen.getByLabelText("Due Date")).toBeInTheDocument();
+  });
+
+  it("announces past due on non-Emergency types too", () => {
+    renderWithProviders(<DueDateCell type="PM" value="2026-07-03" pastDue onSave={vi.fn()} />);
+    expect(screen.getByText("Past due")).toBeInTheDocument();
+  });
+});