SB 9 splits in California: ministerial rules and the 2026 transit-hub overlay

California's SB 9 mandates ministerial approval for two-unit splits on 1.3 million parcels, while a July 1, 2026 transit-hub overlay overrides local zoning for denser projects. Independent technical note mirroring the canonical version: https://urbanplanadvisor.com/blog/sb-9-splits-in-california-ministerial-rules-and-the-2026-transit-hub-overlay.php Sources consulted: https://www.bluusun.com/

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-02
DOI
https://doi.org/10.5281/zenodo.23896928
Primary Topic
Local Governance and Planning
Type
preprint
Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
preprint

SB 9 splits in California: ministerial rules and the 2026 transit-hub overlay

Hadley Sims
Zenodo (CERN European Organization for Nuclear Research)
Local Governance and Planning
preprint

SB 9 splits in California: ministerial rules and the 2026 transit-hub overlay

Hadley Sims
preprint en

Abstract

California's SB 9 mandates ministerial approval for two-unit splits on 1.3 million parcels, while a July 1, 2026 transit-hub overlay overrides local zoning for denser projects. Independent technical note mirroring the canonical version: https://urbanplanadvisor.com/blog/sb-9-splits-in-california-ministerial-rules-and-the-2026-transit-hub-overlay.php Sources consulted: https://www.bluusun.com/

Zenodo (CERN European Organization for Nuclear Research)
Sustainable cities and communities
Local Governance and Planning
DOIOpen Access PDFOpenAlex
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.

Laika access coming soon
SB 9 splits in California: ministerial rules and the 2026 transit-hub overlay — Hadley Sims · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS