diff --git a/tests/e2e/test_onboarding_wizard.py b/tests/e2e/test_onboarding_wizard.py
new file mode 100644
index 00000000..b184f96b
--- /dev/null
+++ b/tests/e2e/test_onboarding_wizard.py
@@ -0,0 +1,75 @@
+"""Overnight B3 e2e — a fresh admin completes the first-run wizard.
+
+signup → /a/onboarding shows 0/4 → invite → create event → solve →
+publish, with the wizard's progress advancing at each step and ending
+in the complete state.
+"""
+
+from __future__ import annotations
+
+import pytest
+
+from tests.e2e._helpers import accept_invitation, invite_token, no_js_errors, rid, signup_admin
+
+pytestmark = pytest.mark.e2e
+
+
+def _progress(page, base, text):
+    page.goto(f"{base}/a/onboarding")
+    page.wait_for_selector(f"#onboarding-progress:has-text('{text}')")
+
+
+def test_fresh_admin_completes_wizard(live_server, new_context, page, db_path):
+    base = live_server
+    vol_email = f"vol+{rid()}@hope.e2e"
+
+    signup_admin(page, base)
+
+    # Fresh org — nothing done yet.
+    _progress(page, base, "0 of 4 done")
+
+    # 1) Invite a teammate.
+    page.goto(f"{base}/a/people")
+    page.click("button:has-text('Invite person')")
+    page.fill("#inv_name", "Jamie Park")
+    page.fill("#inv_email", vol_email)
+    page.select_option("#inv_role", "volunteer")
+    page.click("button:has-text('Send invite')")
+    page.wait_for_selector("#invite-result:has-text('Invitation sent')")
+    accept_invitation(new_context(), base, invite_token(db_path, vol_email))
+    _progress(page, base, "1 of 4 done")
+
+    # 2) Create an event.
+    page.goto(f"{base}/a/events")
+    page.click("button:has-text('New event')")
+    page.wait_for_selector("#ev_type", state="visible")
+    page.fill("#ev_type", "Sunday 10am Service")
+    page.fill("#ev_date", "2026-06-07")
+    page.fill("#ev_start", "10:00")
+    page.fill("#ev_end", "11:30")
+    page.fill("input[name=role_name]", "volunteer")
+    page.fill("input[name=role_count]", "1")
+    page.click("button:has-text('Create event')")
+    page.wait_for_selector("#events-list:has-text('Sunday 10am Service')")
+    _progress(page, base, "2 of 4 done")
+
+    # 3) Generate a schedule, 4) review and publish it — one uninterrupted
+    # sequence (the solver page only holds the result until you navigate
+    # away, so the review link must be clicked without leaving).
+    page.goto(f"{base}/a/solver")
+    page.fill("#from_date", "2026-05-19")
+    page.fill("#to_date", "2026-06-30")
+    page.click("button:has-text('Run solver')")
+    page.wait_for_selector("#solver-result:has-text('Review solution')")
+    page.click("a:has-text('Review solution')")
+    page.wait_for_url("**/a/solution/**")
+    page.wait_for_selector("#publish-state")
+    page.click("button:has-text('Publish this solution')")
+    page.wait_for_selector("#publish-state:has-text('Unpublish')")
+
+    # Wizard is complete.
+    page.goto(f"{base}/a/onboarding")
+    page.wait_for_selector("#onboarding-complete")
+    page.wait_for_selector("#onboarding-progress:has-text('4 of 4 done')")
+
+    no_js_errors(page)
diff --git a/tests/web/test_onboarding_wizard.py b/tests/web/test_onboarding_wizard.py
new file mode 100644
index 00000000..1f7958c7
--- /dev/null
+++ b/tests/web/test_onboarding_wizard.py
@@ -0,0 +1,109 @@
+"""Overnight B3 — first-run onboarding wizard."""
+
+from __future__ import annotations
+
+from datetime import datetime, timedelta
+
+from api.models import Event, Invitation, OnboardingProgress, Solution
+from tests.web.conftest import seed_person
+from web.deps import SESSION_COOKIE
+
+
+def _admin(client, db, *, org="ob_o", pid="ob_admin", email="admin@ob.test"):
+    seed_person(db, person_id=pid, org_id=org, email=email, roles=["admin"])
+    r = client.post("/auth/login", data={"email": email, "password": "WebPass123!"})
+    return r.cookies[SESSION_COOKIE]
+
+
+def _invite(db, org, by, *, iid, token):
+    db.add(
+        Invitation(
+            id=iid,
+            org_id=org,
+            email=f"{iid}@ob.test",
+            name="Invitee",
+            roles=["volunteer"],
+            invited_by=by,
+            token=token,
+            expires_at=datetime.utcnow() + timedelta(days=7),
+        )
+    )
+    db.commit()
+
+
+def test_onboarding_requires_auth(client):
+    assert client.get("/a/onboarding").status_code == 303
+
+
+def test_fresh_admin_sees_zero_progress(client, db):
+    tok = _admin(client, db)
+    r = client.get("/a/onboarding", cookies={SESSION_COOKIE: tok})
+    assert r.status_code == 200
+    assert "0 of 4 done" in r.text
+    row = (
+        db.query(OnboardingProgress)
+        .filter(
+            OnboardingProgress.person_id == "ob_admin",
+            OnboardingProgress.org_id == "ob_o",
+        )
+        .first()
+    )
+    assert row is not None and row.wizard_step_completed == 0
+
+
+def test_partial_progress_and_dashboard_banner(client, db):
+    tok = _admin(client, db, org="ob_o3", pid="ob_a3", email="a3@ob.test")
+    _invite(db, "ob_o3", "ob_a3", iid="inv3", token="tk3")
+    r = client.get("/a/onboarding", cookies={SESSION_COOKIE: tok})
+    assert "1 of 4 done" in r.text
+    d = client.get("/a/dashboard", cookies={SESSION_COOKIE: tok})
+    assert 'id="onboarding-banner"' in d.text and "1/4" in d.text
+
+
+def test_full_progress_marks_complete(client, db):
+    tok = _admin(client, db, org="ob_o2", pid="ob_a2", email="a2@ob.test")
+    _invite(db, "ob_o2", "ob_a2", iid="inv2", token="tk2")
+    start = datetime.utcnow() + timedelta(days=3)
+    db.add(
+        Event(
+            id="ev1",
+            org_id="ob_o2",
+            type="Svc",
+            start_time=start,
+            end_time=start + timedelta(hours=1),
+        )
+    )
+    db.add(
+        Solution(
+            org_id="ob_o2",
+            hard_violations=0,
+            soft_score=1.0,
+            health_score=90.0,
+            is_published=True,
+            published_at=datetime.utcnow(),
+        )
+    )
+    db.commit()
+    r = client.get("/a/onboarding", cookies={SESSION_COOKIE: tok})
+    assert "4 of 4 done" in r.text
+    assert 'id="onboarding-complete"' in r.text
+    # complete → no dashboard nudge.
+    d = client.get("/a/dashboard", cookies={SESSION_COOKIE: tok})
+    assert 'id="onboarding-banner"' not in d.text
+
+
+def test_skip_persists_and_hides_banner(client, db):
+    tok = _admin(client, db, org="ob_o4", pid="ob_a4", email="a4@ob.test")
+    r = client.post("/a/onboarding/skip", cookies={SESSION_COOKIE: tok})
+    assert r.status_code == 303 and r.headers["location"] == "/a/dashboard"
+    row = (
+        db.query(OnboardingProgress)
+        .filter(
+            OnboardingProgress.person_id == "ob_a4",
+            OnboardingProgress.org_id == "ob_o4",
+        )
+        .first()
+    )
+    assert row.onboarding_skipped is True
+    d = client.get("/a/dashboard", cookies={SESSION_COOKIE: tok})
+    assert 'id="onboarding-banner"' not in d.text
diff --git a/web/routers/pages.py b/web/routers/pages.py
index ef40f7bc..1ba15cad 100644
--- a/web/routers/pages.py
+++ b/web/routers/pages.py
@@ -501,10 +501,133 @@ def admin_dashboard(
             "person": person,
             "active_tab": "dashboard",
             "kpis": _dashboard_kpis(db, person.org_id),
+            "ob": _onboarding_state(db, person),
         },
     )
 
 
+ONBOARDING_TOTAL = 4
+
+
+def _onboarding_state(db: Session, person: Person) -> dict:
+    """Derive the 4-step first-run checklist from real org data and
+    persist the count to onboarding_progress. Steps are independent
+    (a checklist, not a gated wizard) so progress survives any order."""
+    from api.models import Invitation, OnboardingProgress, Solution
+
+    org_id = person.org_id
+    people_n = db.query(Person).filter(Person.org_id == org_id).count()
+    invites_n = db.query(Invitation).filter(Invitation.org_id == org_id).count()
+    events_n = db.query(Event).filter(Event.org_id == org_id).count()
+    sols_n = db.query(Solution).filter(Solution.org_id == org_id).count()
+    pub_n = (
+        db.query(Solution)
+        .filter(Solution.org_id == org_id, Solution.is_published.is_(True))
+        .count()
+    )
+
+    steps = [
+        {
+            "key": "invite",
+            "title": "Invite a teammate",
+            "desc": "Add the people you schedule.",
+            "href": "/a/people",
+            "cta": "Invite people",
+            "done": invites_n > 0 or people_n > 1,
+        },
+        {
+            "key": "event",
+            "title": "Create an event",
+            "desc": "Add something that needs volunteers.",
+            "href": "/a/events",
+            "cta": "Create event",
+            "done": events_n > 0,
+        },
+        {
+            "key": "solve",
+            "title": "Generate a schedule",
+            "desc": "Let the solver build a fair roster.",
+            "href": "/a/solver",
+            "cta": "Run solver",
+            "done": sols_n > 0,
+        },
+        {
+            "key": "publish",
+            "title": "Publish it",
+            "desc": "Share the schedule with volunteers.",
+            "href": "/a/solver",
+            "cta": "Publish",
+            "done": pub_n > 0,
+        },
+    ]
+    done_n = sum(1 for s in steps if s["done"])
+
+    row = (
+        db.query(OnboardingProgress)
+        .filter(
+            OnboardingProgress.person_id == person.id,
+            OnboardingProgress.org_id == org_id,
+        )
+        .first()
+    )
+    if row is None:
+        row = OnboardingProgress(person_id=person.id, org_id=org_id)
+        db.add(row)
+    if row.wizard_step_completed != done_n:
+        row.wizard_step_completed = done_n
+    db.commit()
+
+    return {
+        "steps": steps,
+        "done": done_n,
+        "total": ONBOARDING_TOTAL,
+        "complete": done_n >= ONBOARDING_TOTAL,
+        "skipped": bool(row.onboarding_skipped),
+    }
+
+
+@router.get("/a/onboarding", response_class=HTMLResponse)
+def admin_onboarding(
+    request: Request,
+    person: Person = Depends(get_session_admin),
+    db: Session = Depends(get_db),
+):
+    from web.app import templates
+
+    return templates.TemplateResponse(
+        request,
+        "admin/onboarding.html",
+        {
+            "person": person,
+            "active_tab": "dashboard",
+            "ob": _onboarding_state(db, person),
+        },
+    )
+
+
+@router.post("/a/onboarding/skip")
+def admin_onboarding_skip(
+    person: Person = Depends(get_session_admin),
+    db: Session = Depends(get_db),
+):
+    from api.models import OnboardingProgress
+
+    row = (
+        db.query(OnboardingProgress)
+        .filter(
+            OnboardingProgress.person_id == person.id,
+            OnboardingProgress.org_id == person.org_id,
+        )
+        .first()
+    )
+    if row is None:
+        row = OnboardingProgress(person_id=person.id, org_id=person.org_id)
+        db.add(row)
+    row.onboarding_skipped = True
+    db.commit()
+    return RedirectResponse(url="/a/dashboard", status_code=303)
+
+
 def _org_settings(db: Session, org_id: str) -> dict:
     """Current org settings for the form (timezone lives in config)."""
     from api.routers.organizations import get_organization
diff --git a/web/templates/admin/dashboard.html b/web/templates/admin/dashboard.html
index f1bf4569..6c17ac49 100644
--- a/web/templates/admin/dashboard.html
+++ b/web/templates/admin/dashboard.html
@@ -9,6 +9,14 @@
 </div>
 <div class="page-title">Dashboard</div>
 <div class="scroll">
+  {% if ob and not ob.skipped and not ob.complete %}
+  <a class="card" href="/a/onboarding" id="onboarding-banner"
+     style="display:block;border-color:var(--accent)">
+    <div class="row-title">Finish setting up — {{ ob.done }}/{{ ob.total }}</div>
+    <div class="row-sub">Invite people, create an event, build &amp; publish a schedule.</div>
+  </a>
+  <div class="spacer-12"></div>
+  {% endif %}
   <div class="kpi-grid">
     <div class="kpi">
       <div class="kpi-value">{{ kpis.active_volunteers }}<span class="unit">/ {{ kpis.total_volunteers }}</span></div>
diff --git a/web/templates/admin/onboarding.html b/web/templates/admin/onboarding.html
new file mode 100644
index 00000000..ceaf40ce
--- /dev/null
+++ b/web/templates/admin/onboarding.html
@@ -0,0 +1,63 @@
+{% extends "base.html" %}
+{% block title %}Get started · SignUpFlow{% endblock %}
+{% block body %}
+<div class="nav">
+  <a class="nav-back" href="/a/dashboard">‹ Dashboard</a>
+  <form method="post" action="/auth/logout" style="margin:0">
+    <button class="nav-action" type="submit">Sign out</button>
+  </form>
+</div>
+<div class="page-title">Get started</div>
+<div class="scroll" id="onboarding-wizard">
+  <div class="card">
+    <div class="row-title" id="onboarding-progress">{{ ob.done }} of {{ ob.total }} done</div>
+    <div class="row-sub">
+      {% if ob.complete %}
+      Your organization is set up and a schedule is live.
+      {% else %}
+      A few steps to a published schedule. Do them in any order.
+      {% endif %}
+    </div>
+  </div>
+
+  {% if ob.complete %}
+  <div class="spacer-12"></div>
+  <div class="card" id="onboarding-complete" style="border-color:var(--accent)">
+    <div class="row-title">You're all set 🎉</div>
+    <div class="row-sub">Volunteers can now see their published shifts.</div>
+    <div class="spacer-12"></div>
+    <a class="btn btn-primary" href="/a/dashboard">Go to dashboard</a>
+  </div>
+  {% else %}
+
+  <div class="group">
+    {% for s in ob.steps %}
+    <div class="row ob-step" data-key="{{ s.key }}" data-done="{{ 'yes' if s.done else 'no' }}">
+      <div class="row-main">
+        <div class="row-title">
+          <span class="ob-mark">{% if s.done %}✓{% else %}○{% endif %}</span>
+          {{ s.title }}
+        </div>
+        <div class="row-sub">{{ s.desc }}</div>
+      </div>
+      {% if not s.done %}
+      <a class="btn btn-secondary" href="{{ s.href }}">{{ s.cta }}</a>
+      {% endif %}
+    </div>
+    {% endfor %}
+  </div>
+
+  <div class="spacer-12"></div>
+  <form method="post" action="/a/onboarding/skip" style="margin:0">
+    <button class="btn btn-secondary" type="submit">Skip for now</button>
+  </form>
+  {% endif %}
+</div>
+{% set tabs = [
+  ('/a/dashboard', '▣', 'Dashboard', 'dashboard'),
+  ('/a/people', '◔', 'People', 'people'),
+  ('/a/events', '▤', 'Events', 'events'),
+  ('/a/solver', '◈', 'Solver', 'solver'),
+] %}
+{% include "_nav.html" %}
+{% endblock %}