# El Roy's Express Mex > Food trucks and a brick-and-mortar spot offer massive burritos and fresh tacos with crispy carnitas and perfectly cooked shrimp. Casual setting lacks seating, so people eat on curbs or in cars. Busy times bring a wait, making calling ahead common to skip lines. Source: https://www.atly.com/location/El-Roys-Express-Mex2 - Address: 175 Fairgrounds Dr, Petaluma, California, United States - Phone: +17072416534 - Website: https://elroys.com/petaluma-fairgrounds-truck/ ## What it is good for - Seafood — 10/10 - Food Trucks — 10/10 - Carnitas — 10/10 - Taco — 9.3/10 - Food — 9.2/10 - Mexican Food — 9.1/10 - Burrito — 8.3/10 - Salsa — 6.7/10 - Parking Available — 6.3/10 ## What people say - "The Mexican food here, especially the tacos, is tender and juicy." - "I found plenty of parking available, and it was free." - "This salsa is a must-try, maybe the best in the bay area." ## Good to know - Most tacos cost under $4 each, offering great value for fresh and flavorful food. - During busy times, it's helpful to call ahead and place an order to avoid a 15–20 minute wait. - There is plenty of parking available at the food truck location. - There is no seating available, so plan to eat on the go. - Credit cards are not accepted, so bring cash for your order. ## 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:** - **OpenAPI contract:** - **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.