Compass

By Jessica Car · Updated April 2026

A 487-home CalAtlantic community at County Line Road and Arapahoe Road on Erie's Boulder County side, one of only a handful of Erie neighborhoods in the Boulder Valley School District. Homes range from 1,466 to 4,601 square feet with up to 6 bedrooms. A biking trail runs right past the community, and Erie is building a new town park on site.

Typical Lot	0.10–0.20 acres
Est. HOA	$60–$90/mo (estimated)
Home Types	Single-family, Condo
Amenities	Community greenspaces, Biking trail adjacent to community, New Erie town park being built, Proximity to shopping and dining on County Line Rd

Community Anchors

Erie Community Center (63,000 sq ft, pools, lazy river, climbing wall, fitness, courts)
Erie Community Library
Colorado National Golf Club (NCAA-championship course)
Coal Creek Trail (multi-use paved trail connecting neighborhoods)
Thomas Reservoir (walking trails, open space)
Old Town Erie (restaurants, breweries, shops on Briggs Street)
Erie Town Center (emerging mixed-use retail/office district)
Erie Community Park and sports fields
Coal Creek Park and Coal Miners Park
Dougherty Museum (local history)
Erie Airpark (general aviation)
St. Vrain Valley RE-1J School District (Weld County side)
Boulder Valley RE-2 School District (Boulder County side)