diff --git a/app/controllers/import/uploads_controller.rb b/app/controllers/import/uploads_controller.rb
index bd08c3e2a..076452a88 100644
--- a/app/controllers/import/uploads_controller.rb
+++ b/app/controllers/import/uploads_controller.rb
@@ -41,8 +41,8 @@ class Import::UploadsController < ApplicationController
         return
       end
 
-      if uploaded.size > SureImport::MAX_NDJSON_SIZE
-        flash.now[:alert] = t("imports.create.file_too_large", max_size: SureImport::MAX_NDJSON_SIZE / 1.megabyte)
+      if uploaded.size > SureImport.max_ndjson_size
+        flash.now[:alert] = t("imports.create.file_too_large", max_size: SureImport.max_ndjson_size / 1.megabyte)
         render :show, status: :unprocessable_entity
         return
       end
diff --git a/app/controllers/imports_controller.rb b/app/controllers/imports_controller.rb
index cc1b0f286..356956168 100644
--- a/app/controllers/imports_controller.rb
+++ b/app/controllers/imports_controller.rb
@@ -251,8 +251,8 @@ class ImportsController < ApplicationController
     end
 
     def create_sure_import(file)
-      if file.size > SureImport::MAX_NDJSON_SIZE
-        redirect_to new_import_path, alert: t("imports.create.file_too_large", max_size: SureImport::MAX_NDJSON_SIZE / 1.megabyte)
+      if file.size > SureImport.max_ndjson_size
+        redirect_to new_import_path, alert: t("imports.create.file_too_large", max_size: SureImport.max_ndjson_size / 1.megabyte)
         return
       end
 
diff --git a/app/models/sure_import.rb b/app/models/sure_import.rb
index 096b3771d..4593ec4d3 100644
--- a/app/models/sure_import.rb
+++ b/app/models/sure_import.rb
@@ -4,7 +4,6 @@ class SureImport < Import
 
   DEFAULT_MAX_NDJSON_SIZE_MB = 10
   DEFAULT_MAX_ROW_COUNT = 100_000
-  MAX_NDJSON_SIZE = DEFAULT_MAX_NDJSON_SIZE_MB.megabytes
   IMPORTABLE_NDJSON_TYPES = {
     "Account" => :accounts,
     "Balance" => :balances,
diff --git a/test/controllers/import/uploads_controller_test.rb b/test/controllers/import/uploads_controller_test.rb
index 1836ac95d..fd203a23e 100644
--- a/test/controllers/import/uploads_controller_test.rb
+++ b/test/controllers/import/uploads_controller_test.rb
@@ -47,6 +47,25 @@ class Import::UploadsControllerTest < ActionDispatch::IntegrationTest
     assert_select 'select[name="import[account_id]"] option', text: "Plaid Depository Account", count: 0
   end
 
+  test "respects SURE_IMPORT_MAX_NDJSON_SIZE_MB when uploading Sure import file (#3010)" do
+    configured_limit = 2.megabytes
+    SureImport.stubs(:max_ndjson_size).returns(configured_limit)
+
+    sure_import = imports(:sure)
+    oversized_file = Rack::Test::UploadedFile.new(
+      StringIO.new("x" * (configured_limit + 1)),
+      "application/x-ndjson",
+      original_filename: "all.ndjson"
+    )
+
+    patch import_upload_url(sure_import), params: {
+      import: { ndjson_file: oversized_file }
+    }
+
+    assert_response :unprocessable_entity
+    assert_equal I18n.t("imports.create.file_too_large", max_size: configured_limit / 1.megabyte), flash[:alert]
+  end
+
   test "invalid csv cannot be uploaded" do
     patch import_upload_url(@import), params: {
       import: {
diff --git a/test/controllers/imports_controller_test.rb b/test/controllers/imports_controller_test.rb
index eb6ad3cd4..10d34ae0b 100644
--- a/test/controllers/imports_controller_test.rb
+++ b/test/controllers/imports_controller_test.rb
@@ -411,6 +411,29 @@ class ImportsControllerTest < ActionDispatch::IntegrationTest
     assert_redirected_to imports_path
   end
 
+  test "respects SURE_IMPORT_MAX_NDJSON_SIZE_MB when creating Sure import (#3010)" do
+    configured_limit = 2.megabytes
+    SureImport.stubs(:max_ndjson_size).returns(configured_limit)
+
+    oversized_file = Rack::Test::UploadedFile.new(
+      StringIO.new("x" * (configured_limit + 1)),
+      "application/x-ndjson",
+      original_filename: "all.ndjson"
+    )
+
+    assert_no_difference "Import.count" do
+      post imports_url, params: {
+        import: {
+          type: "SureImport",
+          import_file: oversized_file
+        }
+      }
+    end
+
+    assert_redirected_to new_import_url
+    assert_equal I18n.t("imports.create.file_too_large", max_size: configured_limit / 1.megabyte), flash[:alert]
+  end
+
   test "PDF import account select does not leak unshared family accounts (#1803)" do
     sign_in users(:family_member)
     pdf_import = imports(:pdf_with_rows)