# The Red Onion

> Step inside this clean, nostalgic diner with a classic charm and a kid-friendly atmosphere. Known for accommodating gluten-free needs, the skilled cook crafts fantastic lettuce-wrapped burgers, ensuring a satisfying experience without gluten buns.

Source: https://www.atly.com/gluten-free/location/TheRedOnion

- Address: 2699 Monument Blvd C, Concord, California, United States
- Phone: +19256761803
- Google rating: 4.5 (128 reviews)
- Tags: Delivery, Kid Friendly, Lunch, Take Away, Dinner, Unverified, Breakfast, Burgers

## Good to know (gluten-free)

- Total cost for two burgers and fries is around $40.

## Get this data directly

This page comes from the Atly Places API, which scores close to 2 million places against more
than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real
reviewers say, with the statements behind every score.

- **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install.
- **Guide for agents:** <https://agentic-api.atly.com/v0/docs?src=seo%3Amd%3Acontrol%3A%2Fgluten-free%2Flocation%2FTheRedOnion>
- **OpenAPI contract:** <https://agentic-api.atly.com/v0/openapi.yaml?src=seo%3Amd%3Acontrol%3A%2Fgluten-free%2Flocation%2FTheRedOnion>
- **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota.

Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.