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New house, San Martin

Oak Ridge House

A long single-story house of concrete and cedar on a golden hillside at dusk

Scope

Architecture, interiors and construction for a three-bedroom house on a 4.2 acre hillside lot.

Facts

  • 2,140 sq ft, three bedrooms
  • Drawings and permits: 7 months
  • Construction: 13 months, finished 2025
A long single-story house of concrete and cedar on a golden hillside at dusk

A long, low house that follows the contour of the hill.

The owners walked the lot with us on a hot September afternoon and asked for two things: shade by four o'clock and a view of the oaks from every room. The house steps once with the slope, keeps its roof thin and deep on the west, and opens a full glass wall to the north where the oaks are. The board-formed concrete holds the hill; the cedar above it will silver in three summers.

A single-story house among vineyard rows at golden hour
A living room with a full-height glass wall open to oak trees

A glass wall to the north, solid walls to the west

The living room faces the oaks through a nine-panel glass wall that slides back in summer. The west side is concrete, thick enough to hold the afternoon heat off the rooms until the evening breeze arrives.

A white oak kitchen with a concrete island and a window seat

Materials chosen to weather

Board-formed concrete, untreated western red cedar, white oak floors and blackened steel. Nothing on the outside needs paint; everything is meant to look better at year ten than at year one.

Board-formed concrete meeting silvered cedar and a black steel window frame
A gravel courtyard with an olive tree, glass walls on three sides
A concrete and cedar house under a coast live oak at blue hour

Drawn and built by the same eight people

The project architect ran the site twice a week during construction. When the foundation crew found rock four feet higher than the survey showed, the drawings were revised in the trailer that afternoon instead of in a change-order cycle.

A limewash bathroom with a stone tub under a long window

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