There are 3 homes for sale in Callahan Heights Add right now. The median asking price is $654,950, and current listings run from $435,000 to $1,250,000.
Callahan Heights Add is a residential neighborhood in Johnstown, CO, located in Weld County north of the Denver metro area. The community offers a quieter, more rural character with a mix of single-family homes and open space. Residents enjoy proximity to outdoor recreation and a small-town atmosphere while remaining within reasonable driving distance of larger regional amenities and employment centers.
There are 3 homes for sale in Callahan Heights Add right now. The median asking price is $654,950, and current listings run from $435,000 to $1,250,000. That works out to about $211 per square foot. A typical home here is around 2,893 square feet with 3 bedrooms, built around 1952. 1 homes sold in Callahan Heights Add over the last twelve months at a median sale price of $161,000. Homes currently on the market have been listed a median of 187 days.
Callahan Heights Add is served by the Johnstown-Milliken RE-5J school district. Across the homes for sale today, most homes feed Other Elementary and Other Middle and Roosevelt High School.
Every home on the market in Callahan Heights Add today.



Schools, parks, groceries, coffee, restaurants, gyms, healthcare, shopping, transit, gas, banks and places of worship near Callahan Heights Add, Johnstown, CO, measured from the middle of the neighborhood and listed nearest first.
Distances are straight-line from the centre of Callahan Heights Add. Open any home above to see the same map centred on that address.
The median asking price in Callahan Heights Add, Johnstown, CO is $654,950. Homes currently for sale range from $435,000 to $1,250,000. That is about $211 per square foot.
There are 3 homes for sale in Callahan Heights Add, Johnstown, CO today. Symbio works this out from the live MLS feed again every fifteen minutes, so the count is current to the quarter hour rather than a monthly snapshot.
1 homes sold in Callahan Heights Add over the last twelve months at a median of $161,000, against 3 on the market now that have been listed a median of 187 days.
Callahan Heights Add, Johnstown, CO is served by the Johnstown-Milliken RE-5J school district. Homes for sale here most often feed Other Elementary, Other Middle and Roosevelt High School.
Symbio rates Callahan Heights Add 3 out of 10 for walkability (Car-dependent). Transit scores 2 out of 10 and biking 4 out of 10.
The Callahan Heights Add guide on symbiohomes.com maps the schools, parks, groceries, cafés, restaurants, gyms, healthcare, shopping, transit, gas stations, banks and places of worship closest to the neighborhood, measured from its centre and listed nearest first. Each of the homes for sale also opens the same map centred on that address.
Neighborhoods at a similar price point, and the rest of Johnstown.
Market figures on this page are worked out from the live MLS feed every fifteen minutes — the exact moment is stamped at the foot of the page — and cover homes for sale, not rentals or land. The homes listed above are read live as you open it. The neighborhood description and the liveability scores are Symbio’s own read of the area rather than a third-party rating. Nothing here is an appraisal — ask us for a real valuation if you are thinking of selling.
These figures were worked out from the live MLS feed at September 22, 2026 at 7:08 PM Mountain time, and are recomputed every fifteen minutes.