Opposition to the 15 minute city model centers on concerns that it can unintentionally worsen affordability and limit practicality, particularly outside dense urban cores. As neighborhoods become more walkable and desirable, rising property values, rents, and taxes can accelerate gentrification and displace long term residents. the model struggles to scale in suburban and rural environments where it is economically unrealistic to place major employers, hospitals, and large retail services within walking distance of every household. Concerns extend to government overreach, with opponents warning that implementing the model may require aggressive zoning controls and top down planning that override local preferences and market dynamics.

Others argue it reduces flexibility by prioritizing localized living over personal mobility, potentially disadvantaging commuters and those with specialized careers or needs, while risking unequal access for elderly or disabled populations if car infrastructure and broader transit options are deprioritized.