diff --git a/esphome/components/socket/lwip_raw_common_impl.cpp b/esphome/components/socket/lwip_raw_common_impl.cpp
index 77e896f535..18850f6c12 100644
--- a/esphome/components/socket/lwip_raw_common_impl.cpp
+++ b/esphome/components/socket/lwip_raw_common_impl.cpp
@@ -68,6 +68,11 @@ bool sockaddr_to_lwip(const struct sockaddr *addr, socklen_t addrlen, ip_addr_t
     *port = ntohs(addr6->sin6_port);
     IP_SET_TYPE_VAL(*ip, IPADDR_TYPE_V6);
     memcpy(&ip_2_ip6(ip)->addr, &addr6->sin6_addr.un.u8_addr, 16);
+    // Unmap ::ffff:a.b.c.d so replies to recvfrom addresses route as IPv4
+    if (ip6_addr_isipv4mappedipv6(ip_2_ip6(ip))) {
+      unmap_ipv4_mapped_ipv6(ip_2_ip4(ip), ip_2_ip6(ip));
+      IP_SET_TYPE_VAL(*ip, IPADDR_TYPE_V4);
+    }
     return true;
   }
 #endif
diff --git a/esphome/components/socket/lwip_raw_tcp_impl.cpp b/esphome/components/socket/lwip_raw_tcp_impl.cpp
index 69886e60df..b89cf10ff7 100644
--- a/esphome/components/socket/lwip_raw_tcp_impl.cpp
+++ b/esphome/components/socket/lwip_raw_tcp_impl.cpp
@@ -291,7 +291,7 @@ int LWIPRawCommon::setsockopt(int level, int optname, const void *optval, sockle
 }
 
 int LWIPRawCommon::ip2sockaddr_(ip_addr_t *ip, uint16_t port, struct sockaddr *name, socklen_t *addrlen) {
-  // TCP pcb stores port in network byte order; convert to host order for the shared helper
+  // lwip pcb ports are host order; ntohs preserves historical byte-swapped sin_port output
   return lwip_ip_to_sockaddr(this->family_, ip, ntohs(port), name, addrlen);
 }
 
diff --git a/esphome/components/socket/lwip_raw_udp_impl.cpp b/esphome/components/socket/lwip_raw_udp_impl.cpp
index e232ae5215..4558b59759 100644
--- a/esphome/components/socket/lwip_raw_udp_impl.cpp
+++ b/esphome/components/socket/lwip_raw_udp_impl.cpp
@@ -122,8 +122,16 @@ int LWIPRawUDPSendImpl::setsockopt(int level, int optname, const void *optval, s
     return -1;
   }
   if (level == SOL_SOCKET && optname == SO_REUSEADDR) {
-    // lwip raw UDP doesn't enforce port exclusivity the same way,
-    // but we accept this silently for compatibility
+    if (optval == nullptr || optlen < sizeof(int)) {
+      errno = EINVAL;
+      return -1;
+    }
+    // Effective only where lwip is built with SO_REUSE=1 (ESP8266 yes, RP2040 currently no)
+    if (*reinterpret_cast<const int *>(optval)) {
+      ip_set_option(this->pcb_, SOF_REUSEADDR);
+    } else {
+      ip_reset_option(this->pcb_, SOF_REUSEADDR);
+    }
     return 0;
   }
   if (level == SOL_SOCKET && optname == SO_BROADCAST) {
@@ -170,7 +178,7 @@ int LWIPRawUDPSendImpl::getsockopt(int level, int optname, void *optval, socklen
       errno = EINVAL;
       return -1;
     }
-    *reinterpret_cast<int *>(optval) = 1;
+    *reinterpret_cast<int *>(optval) = ip_get_option(this->pcb_, SOF_REUSEADDR) ? 1 : 0;
     *optlen = sizeof(int);
     return 0;
   }
diff --git a/esphome/components/socket/lwip_raw_udp_impl.h b/esphome/components/socket/lwip_raw_udp_impl.h
index 1eda7786e6..268515106f 100644
--- a/esphome/components/socket/lwip_raw_udp_impl.h
+++ b/esphome/components/socket/lwip_raw_udp_impl.h
@@ -96,8 +96,7 @@ class LWIPRawUDPImpl : private LWIPRawUDPSendImpl {
   static constexpr uint8_t UDP_RX_QUEUE_SIZE = 4;
   static constexpr uint8_t UDP_RX_MASK = UDP_RX_QUEUE_SIZE - 1;
   static_assert((UDP_RX_QUEUE_SIZE & UDP_RX_MASK) == 0, "UDP_RX_QUEUE_SIZE must be power of 2");
-  // Fields are written by recv_fn_ before rx_count_ makes a slot visible,
-  // so per-member initializers would only add dead zeroing of the array.
+  // Fields are written by recv_fn_ before rx_count_ makes a slot visible
   struct UDPRxPacket {
     ip_addr_t src_addr;
     struct pbuf *pb;