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New construction · Redwood City

How does hillside zoning affect new construction in Redwood City?

Hillside parcels in Redwood City carry slope-based limits on FAR, retaining walls, grading export, and access. R-1-H zoning in Emerald Hills adds slope-band density, retaining-wall height limits, and Architectural Review.

What changes the answer in Redwood City.

R-1-H zoning in Emerald Hills adds slope-band density, retaining-wall height limits, and Architectural Review. Grading thresholds and Low Impact Development (LID) stormwater requirements apply per City of Redwood City Community Development & Transportation Department — Building Division; sloped parcels require geotech and an erosion-control plan. Site access in Redwood City can require temporary street-use or encroachment permits depending on street width, on-street parking restrictions, and proximity to schools or transit corridors.

  • R-1-H zoning in Emerald Hills adds slope-band density, retaining-wall height limits, and Architectural Review.
  • Grading thresholds and Low Impact Development (LID) stormwater requirements apply per City of Redwood City Community Development & Transportation Department — Building Division; sloped parcels require geotech and an erosion-control plan.
  • Site access in Redwood City can require temporary street-use or encroachment permits depending on street width, on-street parking restrictions, and proximity to schools or transit corridors.
  • Alluvium and (in Redwood Shores) Bay Mud / engineered fill; geotech-driven foundation design standard.

Source-backed note

City of Redwood City Community Development & Transportation Department — Building Division applies the local hillside ordinance at plan check; a geotechnical report and grading plan are typically required.

Local authority: City of Redwood City Community Development & Transportation Department — Building Division

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