Centennial, CO

Centennial has two commercial centers with different relationships to the Denver region. Along Interstate 25, office campuses hold information-technology, aerospace, finance, and professional-services work; United Launch Alliance is among the corridor's aerospace employers. Dry Creek Station serves the E, R, and T rail lines and FlexRide beside the freeway, giving this eastern employment district a direct regional transit point. Farther west, the Streets at SouthGlenn occupies the former Southglenn Mall site at Arapahoe Road and University Boulevard. Its shops, restaurants, offices, apartments, and annual chalk-art festival create a mixed-use destination within established neighborhoods. I-25 is oriented toward regional employers and travel, while SouthGlenn combines errands, housing, and public events around local streets. SouthGlenn is also where one of Centennial's most consequential current land-use questions is visible.

A proposal for 358 apartments on the former Macy's property was formally submitted on April 30, 2026 and remained in city planning review in May. The former Sears area was being marketed separately, with no development application on file at that time. Existing stores and homes continue to operate around both sites. This distinction matters for anyone reading the center's map: the mixed-use district is established, but the proposed apartments and any reuse of the Sears property should not be pictured as completed construction. The review belongs to the city because Centennial brought planning and development functions in-house in 2008. Local control was the reason Centennial became a city in the first place. Five residents met at a pancake house in 1998, formed Arapahoe Citizens for Self-Determination, and pursued incorporation after nearby annexations raised questions about taxes, services, and land use.

When an initial petition failed in court, volunteers gathered more than 2,500 replacement signatures in six hours. Seventy-seven percent of voters approved incorporation in 2000, and Centennial officially formed on February 7, 2001, in what the city describes as the country's largest single municipal incorporation by population. The government remains deliberately compact: a contractor handles public works, code compliance, and citizen response, the Arapahoe County Sheriff's Office supplies law enforcement, and special districts provide several other services. Two public places frame a longer timeline outside the commercial centers. Near the eastern edge, 17 Mile House is the last Arapahoe County stage stop still standing in its original location.

It served travelers on the Cherokee and Smoky Hill routes in the 1860s, then operated as a ranch and dairy farm before becoming a public heritage area. Beside City Hall, Centennial Center Park represents the city's much newer civic layer. Opened in 2012, it uses an amphitheater and landscape features to interpret the Cherry Creek basin and Colorado statehood, and it hosts concerts and recurring city events throughout the year. The stagecoach house predates the surrounding city by well over a century; the civic park was built eleven years after incorporation. Both help orient a municipality assembled from neighborhoods and business districts that already existed.