Oh Se-hoon has won the Seoul mayoral election after gaining significant momentum in the city's Gangnam districts and Han River belt [1].
The victory underscores the influence of housing policy on voter behavior in South Korea's capital. By aligning his platform with the interests of property owners and developers, Oh captured a critical voting bloc in high-value real estate zones.
Analysis shows that Oh secured support across 10 autonomous districts [1]. This includes the three Gangnam districts and the Han River belt, which encompasses areas such as Yongsan, Dongjak, and Yeongdeungpo [1]. This win puts Oh on track to achieve a fifth term as mayor [1].
Observers said the result was due to voter expectations for deregulation and the rapid execution of redevelopment and reconstruction projects [1]. Voters in these regions appeared to favor consistent policy implementation over more restrictive urban planning models.
While the mayoral race focused on local development, the national government is moving in a different direction regarding taxation. The government is expected to push forward with a tax system overhaul next month [1]. This planned reform is anticipated to include measures to strengthen real estate holding taxes [1].
The tension between the mayor-elect's focus on deregulation and the central government's move toward stricter holding taxes may create a complex policy environment for Seoul's urban development in the coming term.
“Oh secured support across 10 autonomous districts”
The election results signal a strong mandate for pro-development policies in Seoul's most affluent districts. However, the impending national tax reform suggests a potential clash between local administrative goals and central government fiscal policy, which could impact property valuations and the pace of redevelopment in the Han River belt.




