It's both amazing and appropriate that this has happened in the RE zoning district. For those unfamiliar with Palo Alto zoning, RE is its most Atherton-like zone. 1 acre minimum lot size, etc. It's mostly used in the hills, except this small triangle west of Bol Park.
Jordan Grimes 🚰 @cafedujord
6 Jan 2022
It's official: Palo Alto will be one of (if not *the*) first cities in California to see new housing built under #SB9. Where a single home stood on a 1 acre lot, 4 new homes will rise. Progress! paloaltoonline.com/news/2022…
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That little triangle of RE is among the excesses of exclusive zoning in Palo Alto. It's adjacent to Palo Alto's largest area zoned for office, which houses prominent tech companies like HP.

Jan 6, 2022 · 1:31 PM UTC

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Palo Alto zoning maps: cityofpaloalto.org/files/ass… Zoning code for RE: codelibrary.amlegal.com/code…

Chapter 18.10 LOW-DENSITY RESIDENTIAL (RE, R-2 and RMD) DISTRICTS

Legal publisher offering ordinance codification services for local governments, specializing in providing codes of ordinances in print and on the Internet

codelibrary.amlegal.com
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Here's what this triangle of RE zoning looks like on Zillow. The lot with the SB9 development proposal is the one labeled 4.54M on the west side. It's a 1-acre lot. The upper-right is "regular" Palo Alto R-1 for comparison.
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