diff --git a/internal/handler/space.go b/internal/handler/space.go
index 7296d11..12261fd 100644
--- a/internal/handler/space.go
+++ b/internal/handler/space.go
@@ -38,6 +38,21 @@ func NewSpaceHandler(ss *service.SpaceService, ts *service.TagService, sls *serv
 	}
 }
 
+// getListForSpace fetches a shopping list and verifies it belongs to the given space.
+// Returns the list on success, or writes an error response and returns nil.
+func (h *SpaceHandler) getListForSpace(w http.ResponseWriter, spaceID, listID string) *model.ShoppingList {
+	list, err := h.listService.GetList(listID)
+	if err != nil {
+		http.Error(w, "List not found", http.StatusNotFound)
+		return nil
+	}
+	if list.SpaceID != spaceID {
+		http.Error(w, "Not Found", http.StatusNotFound)
+		return nil
+	}
+	return list
+}
+
 func (h *SpaceHandler) StreamEvents(w http.ResponseWriter, r *http.Request) {
 	spaceID := r.PathValue("spaceID")
 
@@ -150,6 +165,10 @@ func (h *SpaceHandler) UpdateList(w http.ResponseWriter, r *http.Request) {
 	spaceID := r.PathValue("spaceID")
 	listID := r.PathValue("listID")
 
+	if h.getListForSpace(w, spaceID, listID) == nil {
+		return
+	}
+
 	if err := r.ParseForm(); err != nil {
 		http.Error(w, "Bad Request", http.StatusBadRequest)
 		return
@@ -171,6 +190,25 @@ func (h *SpaceHandler) UpdateList(w http.ResponseWriter, r *http.Request) {
 	ui.Render(w, r, shoppinglist.ListNameHeader(spaceID, updatedList))
 }
 
+func (h *SpaceHandler) DeleteList(w http.ResponseWriter, r *http.Request) {
+	spaceID := r.PathValue("spaceID")
+	listID := r.PathValue("listID")
+
+	if h.getListForSpace(w, spaceID, listID) == nil {
+		return
+	}
+
+	err := h.listService.DeleteList(listID)
+	if err != nil {
+		slog.Error("failed to delete list", "error", err, "list_id", listID)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("HX-Redirect", "/app/spaces/"+spaceID+"/lists")
+	w.WriteHeader(http.StatusOK)
+}
+
 func (h *SpaceHandler) ListPage(w http.ResponseWriter, r *http.Request) {
 	spaceID := r.PathValue("spaceID")
 	listID := r.PathValue("listID")
@@ -181,10 +219,8 @@ func (h *SpaceHandler) ListPage(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	list, err := h.listService.GetList(listID)
-	if err != nil {
-		slog.Error("failed to get list", "error", err, "list_id", listID)
-		http.Error(w, "List not found", http.StatusNotFound)
+	list := h.getListForSpace(w, spaceID, listID)
+	if list == nil {
 		return
 	}
 
@@ -201,6 +237,11 @@ func (h *SpaceHandler) ListPage(w http.ResponseWriter, r *http.Request) {
 func (h *SpaceHandler) AddItemToList(w http.ResponseWriter, r *http.Request) {
 	spaceID := r.PathValue("spaceID")
 	listID := r.PathValue("listID")
+
+	if h.getListForSpace(w, spaceID, listID) == nil {
+		return
+	}
+
 	user := ctxkeys.User(r.Context())
 
 	if err := r.ParseForm(); err != nil {
@@ -226,8 +267,13 @@ func (h *SpaceHandler) AddItemToList(w http.ResponseWriter, r *http.Request) {
 
 func (h *SpaceHandler) ToggleItem(w http.ResponseWriter, r *http.Request) {
 	spaceID := r.PathValue("spaceID")
+	listID := r.PathValue("listID")
 	itemID := r.PathValue("itemID")
 
+	if h.getListForSpace(w, spaceID, listID) == nil {
+		return
+	}
+
 	item, err := h.listService.GetItem(itemID)
 	if err != nil {
 		slog.Error("failed to get item", "error", err, "item_id", itemID)
@@ -235,6 +281,11 @@ func (h *SpaceHandler) ToggleItem(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if item.ListID != listID {
+		http.Error(w, "Not Found", http.StatusNotFound)
+		return
+	}
+
 	updatedItem, err := h.listService.UpdateItem(itemID, item.Name, !item.IsChecked)
 	if err != nil {
 		slog.Error("failed to toggle item", "error", err, "item_id", itemID)
@@ -246,9 +297,27 @@ func (h *SpaceHandler) ToggleItem(w http.ResponseWriter, r *http.Request) {
 }
 
 func (h *SpaceHandler) DeleteItem(w http.ResponseWriter, r *http.Request) {
+	spaceID := r.PathValue("spaceID")
+	listID := r.PathValue("listID")
 	itemID := r.PathValue("itemID")
 
-	err := h.listService.DeleteItem(itemID)
+	if h.getListForSpace(w, spaceID, listID) == nil {
+		return
+	}
+
+	item, err := h.listService.GetItem(itemID)
+	if err != nil {
+		slog.Error("failed to get item", "error", err, "item_id", itemID)
+		http.Error(w, "Item not found", http.StatusNotFound)
+		return
+	}
+
+	if item.ListID != listID {
+		http.Error(w, "Not Found", http.StatusNotFound)
+		return
+	}
+
+	err = h.listService.DeleteItem(itemID)
 	if err != nil {
 		slog.Error("failed to delete item", "error", err, "item_id", itemID)
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -550,6 +619,10 @@ func (h *SpaceHandler) GetShoppingListItems(w http.ResponseWriter, r *http.Reque
 	spaceID := r.PathValue("spaceID")
 	listID := r.PathValue("listID")
 
+	if h.getListForSpace(w, spaceID, listID) == nil {
+		return
+	}
+
 	items, err := h.listService.GetItemsForList(listID)
 	if err != nil {
 		slog.Error("failed to get items", "error", err, "list_id", listID)
diff --git a/internal/routes/routes.go b/internal/routes/routes.go
index 37d8248..bd1735c 100644
--- a/internal/routes/routes.go
+++ b/internal/routes/routes.go
@@ -80,6 +80,10 @@ func SetupRoutes(a *app.App) http.Handler {
 	updateListWithAccess := middleware.RequireSpaceAccess(a.SpaceService)(updateListHandler)
 	mux.Handle("PATCH /app/spaces/{spaceID}/lists/{listID}", updateListWithAccess)
 
+	deleteListHandler := middleware.RequireAuth(space.DeleteList)
+	deleteListWithAccess := middleware.RequireSpaceAccess(a.SpaceService)(deleteListHandler)
+	mux.Handle("DELETE /app/spaces/{spaceID}/lists/{listID}", deleteListWithAccess)
+
 	addItemHandler := middleware.RequireAuth(space.AddItemToList)
 	addItemWithAccess := middleware.RequireSpaceAccess(a.SpaceService)(addItemHandler)
 	mux.Handle("POST /app/spaces/{spaceID}/lists/{listID}/items", addItemWithAccess)
diff --git a/internal/ui/pages/app_space_list_detail.templ b/internal/ui/pages/app_space_list_detail.templ
index 64a1af3..4560f0b 100644
--- a/internal/ui/pages/app_space_list_detail.templ
+++ b/internal/ui/pages/app_space_list_detail.templ
@@ -4,6 +4,7 @@ import (
 	"git.juancwu.dev/juancwu/budgit/internal/model"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/components/button"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/components/csrf"
+	"git.juancwu.dev/juancwu/budgit/internal/ui/components/dialog"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/components/input"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/components/shoppinglist"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/layouts"
@@ -12,7 +13,41 @@ import (
 templ SpaceListDetailPage(space *model.Space, list *model.ShoppingList, items []*model.ListItem) {
 	@layouts.Space(list.Name, space) {
 		<div class="space-y-4">
-			@shoppinglist.ListNameHeader(space.ID, list)
+			<div class="flex items-center justify-between">
+				@shoppinglist.ListNameHeader(space.ID, list)
+				@dialog.Dialog(dialog.Props{ID: "delete-list-dialog"}) {
+					@dialog.Trigger() {
+						@button.Button(button.Props{Variant: button.VariantGhost}) {
+							Delete List
+						}
+					}
+					@dialog.Content() {
+						@dialog.Header() {
+							@dialog.Title() {
+								Delete Shopping List
+							}
+							@dialog.Description() {
+								Are you sure you want to delete "{ list.Name }"? This will permanently remove the list and all its items. This action cannot be undone.
+							}
+						}
+						@dialog.Footer() {
+							@dialog.Close() {
+								@button.Button(button.Props{Variant: button.VariantOutline}) {
+									Cancel
+								}
+							}
+							@button.Button(button.Props{
+								Variant: button.VariantDestructive,
+								Attributes: templ.Attributes{
+									"hx-delete": "/app/spaces/" + space.ID + "/lists/" + list.ID,
+								},
+							}) {
+								Delete
+							}
+						}
+					}
+				}
+			</div>
 			<form
 				hx-post={ "/app/spaces/" + space.ID + "/lists/" + list.ID + "/items" }
 				hx-target="#items-container"