diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f0a73c74e..9f4b3d509 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -196,6 +196,8 @@ add_library(neochat STATIC
     models/messagecontentfiltermodel.h
     models/pinnedmessagemodel.cpp
     models/pinnedmessagemodel.h
+    models/commonroomsmodel.cpp
+    models/commonroomsmodel.h
 )
 
 set_source_files_properties(qml/OsmLocationPlugin.qml PROPERTIES
diff --git a/src/models/commonroomsmodel.cpp b/src/models/commonroomsmodel.cpp
new file mode 100644
index 000000000..e3a896d68
--- /dev/null
+++ b/src/models/commonroomsmodel.cpp
@@ -0,0 +1,74 @@
+// SPDX-FileCopyrightText: 2025 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "commonroomsmodel.h"
+#include "jobs/neochatgetcommonroomsjob.h"
+
+#include <QGuiApplication>
+
+using namespace Quotient;
+
+CommonRoomsModel::CommonRoomsModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+}
+
+NeoChatConnection *CommonRoomsModel::connection() const
+{
+    return m_connection;
+}
+
+void CommonRoomsModel::setConnection(NeoChatConnection *connection)
+{
+    m_connection = connection;
+    Q_EMIT connectionChanged();
+    reload();
+}
+
+QString CommonRoomsModel::userId() const
+{
+    return m_userId;
+}
+
+void CommonRoomsModel::setUserId(const QString &userId)
+{
+    m_userId = userId;
+    Q_EMIT userIdChanged();
+    reload();
+}
+
+QVariant CommonRoomsModel::data(const QModelIndex &index, int roleName) const
+{
+    Q_UNUSED(index)
+    Q_UNUSED(roleName)
+    return {};
+}
+
+int CommonRoomsModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent)
+    return m_commonRooms.size();
+}
+
+void CommonRoomsModel::reload()
+{
+    if (!m_connection || m_userId.isEmpty()) {
+        return;
+    }
+
+    if (!m_connection->canCheckMutualRooms()) {
+        return;
+    }
+
+    m_connection->callApi<NeochatGetCommonRoomsJob>(m_userId).then([this](const auto job) {
+        const auto &replyData = job->jsonData();
+        beginResetModel();
+        for (const auto &roomId : replyData[u"joined"_s].toArray()) {
+            m_commonRooms.push_back(roomId.toString());
+        }
+        endResetModel();
+        Q_EMIT countChanged();
+    });
+}
+
+#include "moc_commonroomsmodel.cpp"
diff --git a/src/models/commonroomsmodel.h b/src/models/commonroomsmodel.h
new file mode 100644
index 000000000..18e681e99
--- /dev/null
+++ b/src/models/commonroomsmodel.h
@@ -0,0 +1,58 @@
+// SPDX-FileCopyrightText: 2025 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QAbstractListModel>
+#include <QQmlEngine>
+
+#include "neochatconnection.h"
+#include "neochatroom.h"
+
+#include <Quotient/events/roommessageevent.h>
+#include <Quotient/roommember.h>
+
+/**
+ * @brief Model to show the common or mutual rooms between you and another user.
+ */
+class CommonRoomsModel : public QAbstractListModel
+{
+    Q_OBJECT
+    QML_ELEMENT
+    Q_PROPERTY(NeoChatConnection *connection WRITE setConnection READ connection NOTIFY connectionChanged REQUIRED)
+    Q_PROPERTY(QString userId WRITE setUserId READ userId NOTIFY userIdChanged REQUIRED)
+    Q_PROPERTY(int count READ rowCount NOTIFY countChanged)
+
+public:
+    enum Roles {
+        TextRole = Qt::DisplayRole,
+        LongitudeRole,
+        LatitudeRole,
+        AssetRole,
+        AuthorRole,
+    };
+    Q_ENUM(Roles)
+
+    explicit CommonRoomsModel(QObject *parent = nullptr);
+
+    [[nodiscard]] NeoChatConnection *connection() const;
+    void setConnection(NeoChatConnection *connection);
+
+    [[nodiscard]] QString userId() const;
+    void setUserId(const QString &userId);
+
+    [[nodiscard]] QVariant data(const QModelIndex &index, int roleName) const override;
+    [[nodiscard]] Q_INVOKABLE int rowCount(const QModelIndex &parent = {}) const override;
+
+Q_SIGNALS:
+    void connectionChanged();
+    void userIdChanged();
+    void countChanged();
+
+private:
+    void reload();
+
+    QPointer<NeoChatConnection> m_connection;
+    QString m_userId;
+    QList<QString> m_commonRooms;
+};
diff --git a/src/qml/UserDetailDialog.qml b/src/qml/UserDetailDialog.qml
index f89784d2e..aa7e66b75 100644
--- a/src/qml/UserDetailDialog.qml
+++ b/src/qml/UserDetailDialog.qml
@@ -56,6 +56,8 @@ Kirigami.Dialog {
             ColumnLayout {
                 Layout.fillWidth: true
 
+                spacing: 0
+
                 Kirigami.Heading {
                     level: 1
                     Layout.fillWidth: true
@@ -71,6 +73,19 @@ Kirigami.Dialog {
                     textFormat: TextEdit.PlainText
                     text: root.user.id
                 }
+
+                QQC2.Label {
+                    property CommonRoomsModel model: CommonRoomsModel {
+                        connection: root.connection
+                        userId: root.user.id
+                    }
+
+                    text: i18ncp("@info", "One mutual room", "%1 mutual rooms", model.count)
+                    color: Kirigami.Theme.disabledTextColor
+                    visible: model.count > 0
+
+                    Layout.topMargin: Kirigami.Units.smallSpacing
+                }
             }
             QQC2.AbstractButton {
                 Layout.minimumHeight: avatar.height * 0.75