diff --git a/bin/local-dev/main.sh b/bin/local-dev/main.sh
index 58fa687f0d6..ecca64b25d8 100755
--- a/bin/local-dev/main.sh
+++ b/bin/local-dev/main.sh
@@ -466,6 +466,15 @@ fi
 # Both platform probes follow the same two steps: the interface backing the
 # default route first (most reliable on a laptop that may have wifi +
 # thunderbolt + tailscale all active), then a scan as a fallback.
+_detect_host_lan_ip_windows() {
+    local ip=""
+    ip=$(ipconfig 2>/dev/null | grep -i "IPv4" | head -n 1 | awk -F: '{print $2}' | tr -d '[:space:]' | tr -d '\r')
+    if [[ -n "$ip" && "$ip" != 127.* ]]; then
+        printf '%s\n' "$ip"; return 0;
+    fi
+    return 1
+}
+
 _detect_host_lan_ip_darwin() {
     local iface="" ip=""
     iface=$(route get default 2>/dev/null | awk '/interface:/{print $2; exit}')
@@ -520,8 +529,9 @@ _detect_host_lan_ip() {
     case "$(uname -s 2>/dev/null)" in
         Darwin) _detect_host_lan_ip_darwin ;;
         Linux)  _detect_host_lan_ip_linux ;;
+        MINGW*|MSYS*|CYGWIN*|*_NT*) _detect_host_lan_ip_windows ;;
         # Anything else (BSD, WSL oddities): try both rather than give up.
-        *)      _detect_host_lan_ip_darwin || _detect_host_lan_ip_linux ;;
+        *)      _detect_host_lan_ip_darwin || _detect_host_lan_ip_linux || _detect_host_lan_ip_windows ;;
     esac
 }
 # Lazy resolver — called from subcommands that actually need to publish a