diff --git a/package.json b/package.json
index d5fe35c..e98ed89 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "skate-spots",
   "private": true,
-  "version": "1.2.27",
+  "version": "1.2.28",
   "type": "module",
   "homepage": "https://skate-spots.com",
   "scripts": {
diff --git a/src/components/ExistingLabProfileNotice.tsx b/src/components/ExistingLabProfileNotice.tsx
new file mode 100644
index 0000000..331ebac
--- /dev/null
+++ b/src/components/ExistingLabProfileNotice.tsx
@@ -0,0 +1,60 @@
+import { Link } from 'react-router-dom';
+import { AlertTriangle, Eye } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { useCurrentUser } from '@/hooks/useCurrentUser';
+import { useLabProfile } from '@/hooks/useLabProfiles';
+
+/**
+ * Lab provider profiles (coach, filmer, editor, photographer, builder…) are
+ * addressable events keyed by a fixed `d` identifier per type
+ * (e.g. "coach-profile"). That means re-publishing REPLACES the existing one.
+ *
+ * The "Become a …" forms start blank and don't reconstruct prior state, so a
+ * returning provider who submits again would silently wipe every field they'd
+ * set before (bio, rate, spots, contact…). This notice makes that consequence
+ * explicit: it appears only when the current user already has a profile of this
+ * type, warns that submitting will overwrite it, and links them to view it.
+ */
+export function ExistingLabProfileNotice({
+  identifier,
+  label,
+}: {
+  /** The fixed `d` identifier for this Lab profile type, e.g. "coach-profile". */
+  identifier: string;
+  /** Human label for the profile type, e.g. "coach". */
+  label: string;
+}) {
+  const { user } = useCurrentUser();
+  const { data: existing } = useLabProfile(identifier, user?.pubkey);
+
+  if (!user || !existing) return null;
+
+  return (
+    <div className="rounded-lg border-2 border-amber-500/40 bg-amber-500/5 p-4">
+      <div className="flex items-start gap-3">
+        <AlertTriangle className="mt-0.5 h-5 w-5 shrink-0 text-amber-400" />
+        <div className="flex-1 space-y-2">
+          <p className="text-sm font-bold text-amber-300">
+            You already have a {label} profile
+          </p>
+          <p className="text-xs text-gray-400">
+            Publishing this form <span className="font-semibold text-amber-300">replaces</span> your
+            current {label} profile — anything you don't re-enter here will be lost. Review your
+            existing profile first so you don't drop details you already set.
+          </p>
+          <Button
+            asChild
+            variant="outline"
+            size="sm"
+            className="border-amber-500/40 text-amber-300 hover:bg-amber-500/10"
+          >
+            <Link to={`/coach/${user.pubkey}/${identifier}`}>
+              <Eye className="mr-1.5 h-3.5 w-3.5" />
+              View current {label} profile
+            </Link>
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/src/pages/BecomeBuilderPage.tsx b/src/pages/BecomeBuilderPage.tsx
index efd3267..2a0b449 100644
--- a/src/pages/BecomeBuilderPage.tsx
+++ b/src/pages/BecomeBuilderPage.tsx
@@ -22,6 +22,7 @@ import { SpotPicker } from '@/components/SpotPicker';
 import { NofferField } from '@/components/NofferField';
 import { PaymentReadinessNote } from '@/components/PaymentReadinessNote';
 import { EntityTypeField } from '@/components/EntityTypeField';
+import { ExistingLabProfileNotice } from '@/components/ExistingLabProfileNotice';
 import { CrewLinkField } from '@/components/CrewLinkField';
 import {
   SKATE_BUILDER_KIND,
@@ -354,6 +355,8 @@ export default function BecomeBuilderPage() {
               <CardDescription className="text-gray-400">Tell the scene what you build and how you work</CardDescription>
             </CardHeader>
             <CardContent className="space-y-6">
+              <ExistingLabProfileNotice identifier="builder-profile" label="builder" />
+
               <div className="space-y-2">
                 <Label>Your Builder Identity</Label>
                 <div className="p-4 rounded-lg border-2 border-amber-500/30 bg-amber-500/5">
diff --git a/src/pages/BecomeCoachPage.tsx b/src/pages/BecomeCoachPage.tsx
index a0effef..126b505 100644
--- a/src/pages/BecomeCoachPage.tsx
+++ b/src/pages/BecomeCoachPage.tsx
@@ -22,6 +22,7 @@ import { NofferField } from '@/components/NofferField';
 import { PaymentReadinessNote } from '@/components/PaymentReadinessNote';
 import { EntityTypeField } from '@/components/EntityTypeField';
 import { CrewLinkField } from '@/components/CrewLinkField';
+import { ExistingLabProfileNotice } from '@/components/ExistingLabProfileNotice';
 import { SKATE_COACH_KIND, SKATE_SPOT_KIND, COACH_SKILL_LABELS, COACH_SKILL_DESCRIPTIONS, isValidNoffer, type EntityType } from '@/lib/types';
 import { cn } from '@/lib/utils';
 import { GraduationCap, Upload, X, Loader2, ArrowLeft, MapPin, Wallet, ExternalLink } from 'lucide-react';
@@ -313,6 +314,8 @@ export default function BecomeCoachPage() {
               <CardDescription className="text-gray-400">Tell students about your experience</CardDescription>
             </CardHeader>
             <CardContent className="space-y-6">
+              <ExistingLabProfileNotice identifier="coach-profile" label="coach" />
+
               <div className="space-y-2">
                 <Label>Your Coach Identity</Label>
                 <div className="p-4 rounded-lg border-2 border-red-500/30 bg-red-500/5">
diff --git a/src/pages/BecomeEditorPage.tsx b/src/pages/BecomeEditorPage.tsx
index 2bf3653..26cac98 100644
--- a/src/pages/BecomeEditorPage.tsx
+++ b/src/pages/BecomeEditorPage.tsx
@@ -29,6 +29,7 @@ import {
   type EntityType,
 } from '@/lib/types';
 import { EntityTypeField } from '@/components/EntityTypeField';
+import { ExistingLabProfileNotice } from '@/components/ExistingLabProfileNotice';
 import { CrewLinkField } from '@/components/CrewLinkField';
 import { cn } from '@/lib/utils';
 import { Scissors, Upload, X, Loader2, ArrowLeft, MapPin, Wallet, ExternalLink, Monitor } from 'lucide-react';
@@ -283,6 +284,8 @@ export default function BecomeEditorPage() {
               <CardDescription className="text-gray-400">Tell the community about your editing style and skills</CardDescription>
             </CardHeader>
             <CardContent className="space-y-6">
+              <ExistingLabProfileNotice identifier="editor-profile" label="editor" />
+
               {/* Identity */}
               <div className="space-y-2">
                 <Label>Your Identity</Label>
diff --git a/src/pages/BecomeFilmerPage.tsx b/src/pages/BecomeFilmerPage.tsx
index 9e92cda..b59fa27 100644
--- a/src/pages/BecomeFilmerPage.tsx
+++ b/src/pages/BecomeFilmerPage.tsx
@@ -21,6 +21,7 @@ import { SpotPicker } from '@/components/SpotPicker';
 import { NofferField } from '@/components/NofferField';
 import { PaymentReadinessNote } from '@/components/PaymentReadinessNote';
 import { EntityTypeField } from '@/components/EntityTypeField';
+import { ExistingLabProfileNotice } from '@/components/ExistingLabProfileNotice';
 import { CrewLinkField } from '@/components/CrewLinkField';
 import { SKATE_FILMER_KIND, SKATE_SPOT_KIND, FILMING_SERVICE_LABELS, FILMING_SERVICE_DESCRIPTIONS, FILMING_SKILL_LABELS, FILMING_SKILL_DESCRIPTIONS, isValidNoffer, type EntityType } from '@/lib/types';
 import { cn } from '@/lib/utils';
@@ -329,6 +330,8 @@ export default function BecomeFilmerPage() {
               <CardDescription className="text-gray-400">Tell clients about your filming expertise</CardDescription>
             </CardHeader>
             <CardContent className="space-y-6">
+              <ExistingLabProfileNotice identifier="filming-profile" label="filmer" />
+
               <div className="space-y-2">
                 <Label>Your Filmer Identity</Label>
                 <div className="p-4 rounded-lg border-2 border-red-500/30 bg-red-500/5">
diff --git a/src/pages/BecomePhotographerPage.tsx b/src/pages/BecomePhotographerPage.tsx
index e373a75..b121728 100644
--- a/src/pages/BecomePhotographerPage.tsx
+++ b/src/pages/BecomePhotographerPage.tsx
@@ -21,6 +21,7 @@ import { SpotPicker } from '@/components/SpotPicker';
 import { NofferField } from '@/components/NofferField';
 import { PaymentReadinessNote } from '@/components/PaymentReadinessNote';
 import { EntityTypeField } from '@/components/EntityTypeField';
+import { ExistingLabProfileNotice } from '@/components/ExistingLabProfileNotice';
 import { CrewLinkField } from '@/components/CrewLinkField';
 import type { EntityType } from '@/lib/types';
 import {
@@ -371,6 +372,8 @@ export default function BecomePhotographerPage() {
               <CardDescription className="text-gray-400">Tell riders about your eye, your kit and your services</CardDescription>
             </CardHeader>
             <CardContent className="space-y-6">
+              <ExistingLabProfileNotice identifier="photography-profile" label="photographer" />
+
               <div className="space-y-2">
                 <Label>Your Photographer Identity</Label>
                 <div className="p-4 rounded-lg border-2 border-indigo-500/30 bg-indigo-500/5">