diff --git a/dashboard/src/legacy/components/PageNotFound.tsx b/dashboard/src/legacy/components/PageNotFound.tsx
new file mode 100644
index 0000000000..8637e85703
--- /dev/null
+++ b/dashboard/src/legacy/components/PageNotFound.tsx
@@ -0,0 +1,190 @@
+import React, { Component } from "react";
+import { withRouter, type RouteComponentProps } from "react-router";
+import styled from "styled-components";
+
+import { pushFiltered } from "shared/routing";
+
+type PropsType = RouteComponentProps & {};
+
+type StateType = {};
+
+class PageNotFound extends Component<PropsType, StateType> {
+  state = {};
+
+  render() {
+    const { pathname } = this.props.location;
+    const params = this.props.match.params as any;
+    const { baseRoute } = params;
+    if (baseRoute === "applications") {
+      return (
+        <StyledPageNotFound>
+          <Mega>
+            404
+            <Inside>Application Not Found</Inside>
+          </Mega>
+          <Flex>
+            <BackButton
+              width="140px"
+              onClick={() => {
+                pushFiltered(this.props, "/applications", ["project_id"]);
+              }}
+            >
+              <i className="material-icons">arrow_back</i>
+              Applications
+            </BackButton>
+            {pathname && (
+              <>
+                <Splitter>|</Splitter>
+                <Helper>Could not find "{pathname}"</Helper>
+              </>
+            )}
+          </Flex>
+        </StyledPageNotFound>
+      );
+    } else if (baseRoute === "jobs") {
+      return (
+        <StyledPageNotFound>
+          <Mega>
+            404
+            <Inside>Job Not Found</Inside>
+          </Mega>
+          <Flex>
+            <BackButton
+              width="90px"
+              onClick={() => {
+                pushFiltered(this.props, "/jobs", ["project_id"]);
+              }}
+            >
+              <i className="material-icons">arrow_back</i>
+              Jobs
+            </BackButton>
+            {pathname && (
+              <>
+                <Splitter>|</Splitter>
+                <Helper>Could not find "{pathname}"</Helper>
+              </>
+            )}
+          </Flex>
+        </StyledPageNotFound>
+      );
+    }
+    return (
+      <StyledPageNotFound>
+        <Mega>
+          404
+          <Inside>Page Not Found</Inside>
+        </Mega>
+        <Flex>
+          <BackButton
+            width="145px"
+            onClick={() => {
+              pushFiltered(this.props, "/dashboard", ["project_id"]);
+            }}
+          >
+            <i className="material-icons">home</i>
+            Return Home
+          </BackButton>
+          {pathname && (
+            <>
+              <Splitter>|</Splitter>
+              <Helper>Could not find "{pathname}"</Helper>
+            </>
+          )}
+        </Flex>
+      </StyledPageNotFound>
+    );
+  }
+}
+
+export default withRouter(PageNotFound);
+
+const Splitter = styled.div`
+  margin: 0 20px;
+  font-size: 27px;
+  font-weight: 200;
+  color: #ffffff15;
+`;
+
+const Flex = styled.div`
+  display: flex;
+  align-items: center;
+  justify-content: center;
+`;
+
+const Helper = styled.div`
+  font-size: 15px;
+  max-width: 550px;
+  margin-right: -50px;
+`;
+
+const BackButton = styled.div`
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  cursor: pointer;
+  font-size: 13px;
+  height: 35px;
+  padding: 5px 16px;
+  padding-right: 15px;
+  border: 1px solid #ffffff55;
+  border-radius: 100px;
+  width: ${(props: { width: string }) => props.width};
+  color: white;
+  background: #ffffff11;
+
+  :hover {
+    background: #ffffff22;
+  }
+
+  > i {
+    color: white;
+    font-size: 16px;
+    margin-right: 6px;
+    margin-left: -2px;
+  }
+`;
+
+const StyledPageNotFound = styled.div`
+  color: #6f6f6f;
+  font-size: 16px;
+  user-select: none;
+  margin-top: -80px;
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+`;
+
+const Mega = styled.div`
+  font-size: 200px;
+  color: #ffffff06;
+  position: relative;
+  font-weight: bold;
+  text-align: center;
+
+  > i {
+    font-size: 23px;
+    margin-right: 12px;
+  }
+`;
+
+const Inside = styled.div`
+  position: absolute;
+  color: #6f6f6f;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-weight: 400;
+  font-size: 20px;
+
+  > i {
+    font-size: 23px;
+    margin-right: 12px;
+  }
+`;