diff --git a/releasenotes.md b/releasenotes.md
index 1e2b6dd86..b16344429 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -6,6 +6,7 @@
 - Error when using $vaarg/$vacount/$vasplat and similar in a macro without vaargs #2510.
 - Add splat defaults for designated initialization #2441.
 - Add new builtins `$$str_snakecase` `$$str_replace` and `$$str_pascalcase`.
+- `"build-dir"` option now available for `project.json`, added to project. #2323
 
 ### Fixes
 - Bug in `io::write_using_write_byte`.
diff --git a/src/build/project.c b/src/build/project.c
index c844b7ed1..0ac857e72 100644
--- a/src/build/project.c
+++ b/src/build/project.c
@@ -9,6 +9,7 @@
 const char *project_default_keys[][2] = {
 		{"authors", "Authors, optionally with email."},
 		{"benchfn", "Override the benchmark function."},
+		{"build-dir", "Build location, where intermediate files are placed by default, relative to project file."},
 		{"c-include-dirs", "Set the include directories for C sources."},
 		{"c-sources", "Set the C sources to be compiled."},
 		{"cc", "Set C compiler (defaults to 'cc')."},
@@ -77,6 +78,7 @@ const int project_default_keys_count = ELEMENTLEN(project_default_keys);
 const char* project_deprecated_target_keys[] = { "xxxxxxxxxx" };
 const char* project_target_keys[][2] = {
 		{"benchfn", "Override the benchmark function."},
+		{"build-dir", "Build location, where intermediate files are placed by default, relative to project file."},
 		{"c-include-dirs", "C sources include directories for the target."},
 		{"c-include-dirs-override", "Additional C sources include directories for the target, overriding global settings."},
 		{"c-sources", "Additional C sources to be compiled for the target."},
@@ -182,6 +184,7 @@ static void load_into_build_target(BuildParseContext context, JSONObject *json,
 	target->run_dir = get_string(context, json, "run-dir", target->run_dir);
 	// The output directory
 	target->output_dir = get_string(context, json, "output", target->output_dir);
+	target->build_dir = get_string(context, json, "build-dir", target->build_dir);
 
 	if (context.target)
 	{
diff --git a/src/build/project_creation.c b/src/build/project_creation.c
index e4dc1a357..6eba5c6dd 100644
--- a/src/build/project_creation.c
+++ b/src/build/project_creation.c
@@ -27,6 +27,8 @@ const char* JSON_EXE =
 		"  // \"c-sources\": [ \"csource/**\" ],\n"
 		"  // Include directories for C sources relative to the project file.\n"
 		"  // \"c-include-dirs\": [ \"csource/include\" ],\n"
+		"  // Build location, relative to project file.\n"
+		"  \"build-dir\": \"build\",\n"
 		"  // Output location, relative to project file.\n"
 		"  \"output\": \"build\",\n"
 		"  // Architecture and OS target.\n"
diff --git a/src/build/project_manipulation.c b/src/build/project_manipulation.c
index a75ee4a61..59e042294 100644
--- a/src/build/project_manipulation.c
+++ b/src/build/project_manipulation.c
@@ -540,6 +540,7 @@ void view_project(BuildOptions *build_options)
 	VIEW_STRING_ARRAY("Source paths", "sources", ", ");
 	VIEW_STRING_ARRAY("C source paths", "c-sources", ", ");
 	VIEW_STRING("Output location", "output");
+	VIEW_STRING("Build location", "build-dir");
 	VIEW_STRING("Output extension", "extension");
 	VIEW_SETTING("Default optimization level", "opt", optimization_levels);