diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -2568,6 +2568,8 @@
                 {RPCResult::Type::NUM, "utxo_size_inc",
                  "The increase/decrease in size for the utxo index (not "
                  "discounting op_return and similar)"},
+                {RPCResult::Type::BOOL, "finalized",
+                 "Whether the block is finalized by Avalanche"},
             }},
         RPCExamples{
             HelpExampleCli(
@@ -2598,6 +2600,8 @@
 
             const CBlock block = GetBlockChecked(config, pindex);
             const CBlockUndo blockUndo = GetUndoChecked(pindex);
+            const auto finalized{
+                chainman.ActiveChainstate().IsBlockAvalancheFinalized(pindex)};
 
             // Calculate everything if nothing selected (default)
             const bool do_all = stats.size() == 0;
@@ -2739,6 +2743,7 @@
             ret_all.pushKV("txs", (int64_t)block.vtx.size());
             ret_all.pushKV("utxo_increase", outputs - inputs);
             ret_all.pushKV("utxo_size_inc", utxo_size_inc);
+            ret_all.pushKV("finalized", finalized);
 
             if (do_all) {
                 return ret_all;
diff --git a/test/functional/data/rpc_getblockstats.json b/test/functional/data/rpc_getblockstats.json
--- a/test/functional/data/rpc_getblockstats.json
+++ b/test/functional/data/rpc_getblockstats.json
@@ -132,7 +132,8 @@
       "totalfee": 0.0,
       "txs": 1,
       "utxo_increase": 1,
-      "utxo_size_inc": 75
+      "utxo_size_inc": 75,
+      "finalized": false
     },
     {
       "avgfee": 2.25,
@@ -159,7 +160,8 @@
       "totalfee": 2.25,
       "txs": 2,
       "utxo_increase": 2,
-      "utxo_size_inc": 150
+      "utxo_size_inc": 150,
+      "finalized": false
     },
     {
       "avgfee": 226.5,
@@ -186,7 +188,8 @@
       "totalfee": 679.5,
       "txs": 4,
       "utxo_increase": 4,
-      "utxo_size_inc": 300
+      "utxo_size_inc": 300,
+      "finalized": false
     }
   ]
 }
\ No newline at end of file