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SB 1090CALIFORNIASession 20252026
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California SB 1090 exempts Altadena housing projects from ministerial approval requirements

Original title: Planning and zoning: housing development projects: urban lot splits: subdivisions: 2025 Eaton Wildfire: Altadena.

August 30, 2026

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Where This Stands

Currently Unknown. The next step in the legislative lifecycle is Introduced.

Last action
In Assembly. Read first time. Held at Desk.May 27, 2026

Version history & redline

4 versions on file

Official version history is partial: 4 linked texts are unavailable or incomplete. Source links remain available below.

Comparing 03/25/26 - Amended Senate04/30/26 - Amended Senate
removed addedOfficial text

The text diff for this stage has not been computed yet.

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Redline computed from the official version text (record lane).View this version →

The Frame

What this does

This bill restores local for housing projects in Altadena, allowing the county to evaluate developments on a case-by-case basis rather than through an automatic approval process.

Who is mentioned in the record

Potentially affected actors named in the source documents. Mention is not a position.

Altadena residents

Local housing development processes in their area will shift from ministerial approval to discretionary review.

Los Angeles County

The county gains the authority to conduct discretionary reviews for housing projects in the specified ZIP codes.

What changed

Last recorded activity August 30, 2026.

What's next

Introduced.

Summary

SB 1090 removes the requirement for local agencies to provide ministerial (automatic) approval for housing development projects and subdivision maps located in ZIP codes 91001 and 91003. This change applies to applications submitted on or after October 1, 2026, and remains in effect until January 1, 2030.

Key Facts

You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.

Why It Matters

This bill restores local for housing projects in Altadena, allowing the county to evaluate developments on a case-by-case basis rather than through an automatic approval process.

Frequently Asked Questions

Does this bill stop all new housing in Altadena?
No. It removes the requirement for 'ministerial' (automatic) approval, meaning the local agency can now use to evaluate projects.
When does this change take effect?
The bill is an and takes effect immediately, but the specific exemption for housing applications applies to those submitted on or after October 1, 2026.

News Coverage

Connected Entities

locationAltadenaUnincorporated area in Los Angeles County subject to the bill.Map →
locationLos Angeles CountyJurisdiction where the affected ZIP codes are located.Map →

Sources

Open source document

openstates.org

Analysis Score

0–100
  • Significance75
    How much this matters to a regular citizen
  • Controversy60
    Intensity of disagreement among stakeholders
  • Entertainment10
    Compellingness for a non-policy-wonk reader
  • Buzz40
    Current news / social attention level

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