Real estate prices in Trasmiera are influenced by several key factors, including location, property type, and local amenities. The region's proximity to the coast, particularly the picturesque beaches along the Cantabrian Sea, often drives higher demand for waterfront properties, which can significantly increase prices. Additionally, the cultural and historical significance of nearby towns, such as Santoña and Noja, adds to the allure of the area, attracting both local and foreign buyers. The abundance of natural landscapes, like the Oyambre Natural Park, enhances the area's appeal, particularly for those seeking a tranquil lifestyle. Infrastructure developments such as improved road access and public transport options can also positively impact property values, making previously less accessible areas more desirable. Lastly, seasonal fluctuations in tourism can affect short-term rental markets, influencing overall real estate prices based on demand from holidaymakers.