This study explores the preservation of cultural heritage in traditional houses of Mangalore, India, aligning with Sustainable Development Goal 11 (Sustainable Cities and Communities). Using the Urwa House as a case example, it delves beyond mere restoration, offering insights into local architectural practices that foster communal identity. Investigating the layout, design, and aesthetics of traditional Mangalorean houses, this research sheds light on historical approaches, guiding present architects toward embracing various techniques. By integrating lessons from the past, future architecture can preserve cultural heritage while embracing environmentally friendly solutions. This study aims to bridge the gap between cultural preservation and sustainable community development in Mangalore, fostering a coherent future while honoring the region’s rich cultural legacy. With a multidisciplinary approach, it contributes to the broader discourse on sustainable development while safeguarding Mangalore’s cultural heritage.