City of Long Beach Historic Landmark #29. As one of Neutra’s side by side “twin” houses in Park Estates, cross landscaping and shared design features lend a perception that one plus one is more than two in terms of lifestyle and enjoyment. While not mandated, a shared rear yard permits deeper expansion of the structure into the lot resulting in a grand horizontal open plan interior space flowing freely to the patio and garden, & pre-figuring Neutra’s Brown House in Bel Air.