Boulder, Colorado has long been known for its natural beauty, outdoor lifestyle, and quality of life. But in recent years, it has also become one of the most expensive real estate markets in the state. While neighborhoods often get the spotlight, ZIP codes tell a clearer and more accurate story of where Boulder’s highest property values are concentrated.
From mountain enclaves to historic streets near downtown, these are the top five most expensive ZIP codes in Boulder, Colorado, based on long-term pricing trends, buyer demand, scarcity, and lifestyle appeal.
1. 80302
The Mountain ZIP Code
ZIP code 80302 consistently ranks at or near the top when it comes to home values in the Boulder area. Covering much of the foothills west of town, this ZIP includes places like Flagstaff Mountain, Sunshine Canyon, and Boulder Heights…