diff --git a/src/routes/settings.import.tsx b/src/routes/settings.import.tsx
index e48ff0a..c658aad 100644
--- a/src/routes/settings.import.tsx
+++ b/src/routes/settings.import.tsx
@@ -516,22 +516,50 @@ function ImportPage() {
     caseByNumber: new Map(),
   }), [user?.id]);
 
-  // Pre-load lookup caches from existing rows so subsequent imports can join
+  // Pre-load lookup caches from existing rows so subsequent imports can join.
+  // Always reload (and paginate past Supabase's 1000-row default limit) so caches
+  // pick up rows added since the page mounted (e.g., from a prior CSV import).
+  const PAGE = 1000;
+  const fetchAllPaginated = async <T,>(
+    table: "clients" | "cases" | "contacts" | "homeowners" | "invoices",
+    columns: string,
+  ): Promise<T[]> => {
+    const out: T[] = [];
+    for (let from = 0; ; from += PAGE) {
+      const { data, error } = await supabase
+        .from(table)
+        .select(columns)
+        .range(from, from + PAGE - 1);
+      if (error) { console.warn(`[import] paginate ${table} failed`, error); break; }
+      const batch = (data ?? []) as T[];
+      out.push(...batch);
+      if (batch.length < PAGE) break;
+    }
+    return out;
+  };
+
   const ensureLookupsLoaded = async () => {
-    if (ctx.clientByExt.size === 0) {
-      const { data } = await supabase.from("clients").select("id, name, external_id");
-      for (const r of data ?? []) {
-        if (r.external_id) ctx.clientByExt.set(r.external_id, r.id);
-        if (r.name) ctx.clientByName.set(r.name.toLowerCase(), r.id);
-      }
+    ctx.clientByExt.clear();
+    ctx.clientByName.clear();
+    const clients = await fetchAllPaginated<{ id: string; name: string | null; external_id: string | null }>(
+      "clients",
+      "id, name, external_id",
+    );
+    for (const r of clients) {
+      if (r.external_id) ctx.clientByExt.set(r.external_id, r.id);
+      if (r.name) ctx.clientByName.set(r.name.toLowerCase(), r.id);
     }
-    if (ctx.caseByExt.size === 0) {
-      const { data } = await supabase.from("cases").select("id, case_number, external_id");
-      for (const r of data ?? []) {
-        if (r.external_id) ctx.caseByExt.set(r.external_id, r.id);
-        if (r.case_number) ctx.caseByNumber.set(r.case_number, r.id);
-      }
+    ctx.caseByExt.clear();
+    ctx.caseByNumber.clear();
+    const cases = await fetchAllPaginated<{ id: string; case_number: string | null; external_id: string | null }>(
+      "cases",
+      "id, case_number, external_id",
+    );
+    for (const r of cases) {
+      if (r.external_id) ctx.caseByExt.set(r.external_id, r.id);
+      if (r.case_number) ctx.caseByNumber.set(r.case_number, r.id);
     }
+    console.info(`[import] lookups loaded: clients=${ctx.clientByExt.size}/${ctx.clientByName.size} cases=${ctx.caseByExt.size}/${ctx.caseByNumber.size}`);
   };
 
   const handleFile = async (cfg: ImporterConfig, file: File) => {