Union An American Bistro - Castle Rock

This place is a hidden gem! I believe it has the best food in Castle Rock, along with excellent service. The bar serves the best martinis around and doesn’t hold back on the quality ingredients! A pro tip: make sure to...

We had another fantastic dinner here, though that wasn't surprising since Union usually exceeds expectations. We missed out on the happy hour in the bar area, but we were seated at a...

I stopped by for lunch with a large group of friends around 1:30 PM on a Thursday. We decided to sit outside, and our server promptly came over to take our order. We ordered a few...

I went to Union An American Bistro for the first time for a family gathering over the weekend.

Worst service ever! Usually when we come her prob 1/2 a dozen times the service has been good.