About the San Mateo Highlands

The San Mateo Highlands is the largest Eichler neighborhood anywhere: about 650 homes on a ridge, built from 1955 to 1964. It is in unincorporated San Mateo County, and it is home to the X-100, Eichler’s all-steel experimental house.

San Mateo Highlands at a glance

  • Built: 1955–1964 (sales began in 1956)

  • Homes: about 650

  • Elevation: on a 469-foot ridge, the highest Eichler tract

  • Community: homes surround Highlands Elementary, a community pool and a recreation center

  • Jurisdiction: unincorporated San Mateo County, with no architectural review

  • School districts: San Mateo–Foster City and San Mateo Union High School District

The X-100

At 1586 Lexington Avenue, the X-100 was designed by A. Quincy Jones and Frederick Emmons with structural engineer William R. Mason and gardens by Douglas Baylis. The 2,310-square-foot steel house opened on October 6, 1956, and drew about 150,000 visitors in three months. It was listed on the National Register of Historic Places in 2016, the only individual Eichler home on the Register. Read more on our X-100 page.

Other Highlands history

Pietro Belluschi’s two-story Life House was built here and published in Life magazine in October 1958. Designs Eichler commissioned from Aaron Green in 1961 were never built.

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Learn more about San Mateo Eichler homes and neighborhoods.

 
 

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