Brennan by the Lake
By Jessica Carcoana · Updated September 2026
A 66-home 55+ active-adult community by Boulder Creek Neighborhoods, attached and single-family patio homes from 1,520 to 2,755 square feet with 2 to 3 bedrooms and attached 2- to 3-car garages. Low-maintenance living with HOA-covered exteriors, designed for active adults who want Erie's small-town character without yard work.
At a glance
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)
Schedule a call with Jessica to discuss the Erie market and homes in Brennan by the Lake.
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Quick answersQuestions about Brennan by the Lake
When was Brennan by the Lake built?
Homes in Brennan by the Lake were built between 2017 and 2018 (new build). Builders on record include Boulder Creek Neighborhoods.
Is there an HOA in Brennan by the Lake, and what does it cost?
Brennan by the Lake has a homeowners association. Dues run about $250–$350/mo (estimated, includes exterior maintenance); confirm the current figure with the association before you buy.
What amenities does Brennan by the Lake have?
Brennan by the Lake amenities include 55+ active-adult community, low-maintenance living, ranch-style and two-story plans, attached garages, and 66 homes total.
How big are the lots in Brennan by the Lake?
Typical lots in Brennan by the Lake run 6,000–7,000 sq ft.
Which schools are near Brennan by the Lake?
Schools near Brennan by the Lake include Erie Elementary, Erie Middle School, and Erie High School. Verify enrollment eligibility by address.
Parks and Schools
- Coal Creek Trail
- Erie Community Park
- Erie Elementary
- Erie Middle School
- Erie High School
Verify school assignment by address with the district. Attendance boundaries do not follow neighborhood lines.
Commute and Access
- 2 minCounty Line Rd
- 3 minErie Pkwy
- 7 minI-25
Transit in Erie: RTD regional bus service (limited, Erie is car-dependent) · Via Mobility Services (on-demand transit for Erie) · Park-and-ride access at I-25 and Hwy 7
Other Neighborhoods in Erie
About This Profile
This profile of Brennan by the Lake was researched in April 2026. It was last reviewed in September 2026. The price range is an estimate built from comparable nearby neighborhoods rather than from direct listings. Amenity coverage is moderate, and some features rest on a single source. 55+ community; price estimated from Boulder Creek Neighborhoods data.
Data sourced from direct and indirect online resources. Details are subject to change over time as we continue to research this area.