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Thung Si Thong Station (RS20) on the SRT Dark Red Line represents a strategic entry point into the burgeoning real estate market of Samut Sakhon. This area offers prime access to a diverse range of property types, including affordable condos, spacious detached houses, modern townhouses, and high-potential commercial land. Positioned as a key transport hub, Thung Si Thong is increasingly popular among commuters who require reliable access to central Bangkok and Don Mueang Airport while preferring the lower cost of living found in the suburbs. Whether you are searching for a cheap apartment for rent or a long-term investment property for sale, the neighborhoods surrounding this station provide a unique blend of convenience and growing market demand.
Located primarily within the Bang Nam Jud subdistrict, Thung Si Thong (RS20) serves as a vital connector on the 26 km suburban rail network. With trains running every 10-15 minutes, residents enjoy a seamless 20-minute commute north to Don Mueang Airport or south toward future extensions in Maha Chai. The local infrastructure supports daily travel to Bangkok in under 25 minutes, while proximity to major Samut Sakhon highways ensures that commercial zones and industrial hubs are easily reachable. This connectivity fosters a lifestyle that balances suburban calm with rapid urban access.
While specific high-rise launches directly adjacent to Thung Si Thong are still emerging, the broader regional corridor features notable developments that set the standard for living in this area. One key example in the wider network is Aspire Ngamwongwan by AP Thailand, which offers compact 1-bedroom units (~28 sqm) equipped with modern amenities like swimming pools, gyms, and 24-hour security, often priced around 1.9M THB for sale. Closer to the station in Bang Nam Jud, the market is defined by horizontal living, featuring detached homes and townhouses from various local developers. These projects typically offer 100-300 sqm plots designed for families, providing essential amenities and a community-focused atmosphere.
The operational status of the SRT Dark Red Line has catalyzed demand in the Thung Si Thong area, particularly for affordable housing. The market is currently seeing a rise in listings for detached houses and townhouses, with prices generally starting at 4M THB for family-sized homes. On the condominium front, units for sale range from 1.9M to 4M THB, making them an attractive entry point for first-time buyers. For renters, the area is highly competitive, offering apartments and condos between 8,000 and 20,000 THB per month. The availability of land and commercial shophouses near the rail line also points to steady appreciation, driven by the improved transit links to central Bangkok and the industrial strength of Samut Sakhon.
The future of real estate near Thung Si Thong is tied closely to ongoing infrastructure expansions. The SRT Dark Red Line is slated for significant growth, including Phase II extensions north to Thammasat University Rangsit and south towards Maha Chai (approx. 39 km). Proposals such as the potential shift of the Ramathibodi Station by 2026 suggest a dynamic environment where new commercial hubs, shopping malls, and educational institutions are likely to emerge along the route. These developments are expected to further boost property values and rental demand, solidifying the area's status as a high-potential investment zone.
Buyers can find a mix of houses, townhouses, condos, and vacant land. Affordable options, particularly condos, start around 1.9M THB, while family homes generally start from 4M THB.
Yes, rental rates are commuter-friendly, with apartments and townhouses typically ranging from 8,000 THB to 20,000 THB per month.
It takes approximately 20-30 minutes to reach Don Mueang Airport via the SRT Dark Red Line.
Trains operate daily from 5:00 AM to midnight, with a frequency of every 10 to 15 minutes.

Residents value the quick 20-minute rail commute to Don Mueang and central Bangkok, which pairs perfectly with the affordability of local housing. The area offers suburban peace, lower density living, and strong investment value compared to the city center.
Maximize your ROI by focusing on properties within 1 km of the Thung Si Thong station (RS20). Listings in this radius often yield returns of 6% or more. Look specifically for houses for sale under 4M THB or rental units priced competitively for commuters.
