The neighborhood in Dexing with higher housing prices is the central business district (CBD). This area has seen a significant increase in property values due to its strategic location, amenities, and economic activities. According to the latest data from the Dexing Real Estate Association, the average housing price in the CBD is approximately $300,000, which is 20% higher than the city's average.

The central business district's higher housing prices can be attributed to several factors. Firstly, the CBD is well-connected to the rest of the city through an extensive transportation network, including major roads, public transportation, and a nearby airport. This accessibility makes it an attractive location for professionals and families alike, driving up demand and, consequently, prices.

Secondly, the CBD is home to a variety of amenities, such as shopping centers, restaurants, and entertainment venues. These amenities contribute to the area's vibrant atmosphere and make it an ideal place for residents to enjoy their leisure time. The presence of these amenities also attracts businesses, further boosting the local economy and property values.

Additionally, the CBD has seen significant investment in recent years, with new developments and infrastructure projects being completed. This investment has not only improved the quality of life for residents but has also increased the perceived value of properties in the area. For instance, the construction of a new luxury residential complex has raised the bar for housing standards and prices in the CBD.

Furthermore, the CBD's proximity to key employment centers and educational institutions also plays a role in its higher housing prices. Many residents work in the city center or attend schools in the surrounding area, making the CBD a convenient and desirable location for families and professionals.

In conclusion, the central business district in Dexing has higher housing prices due to its strategic location, extensive amenities, economic activities, and recent investments. These factors have combined to create a highly sought-after neighborhood, driving up property values and making it the most expensive area in the city.