Location. Plainfield Inn Southwest Houston is located in Houston and attractions in the region include Galleria Mall, Reliant Stadium, and Memorial Park. Regional points of interest also include Houston Zoo and Menil Collection. Property Features. Recreational amenities include an outdoor pool. Guest parking is complimentary. Additional property amenities include laundry facilities. Guestrooms. All guestrooms at Plainfield Inn Southwest Houston feature air conditioning. In addition to phones, guestrooms offer free local calls (restrictions may apply). Televisions have complimentary TV Internet access.