The filings

California Attorney General Rob Bonta and the Newsom administration announced on July 16, 2026 that the state had filed writ petitions in California Superior Courts against five local governments: Calexico, Costa Mesa, Half Moon Bay, Ridgecrest and Turlock. Bonta called the five “outliers” and “scofflaws,” saying 95% of California local governments had submitted their sixth-cycle housing elements.

The petitions ask the courts to order each city to adopt a compliant housing element and complete the associated rezoning within 120 days. Costa Mesa's sixth-cycle element was due October 15, 2021; HCD's own December 2021 review letter told the city it had “not completed the housing element process” nearly two months past deadline, and the city was still out of compliance when the state sued in 2026 — nearly five years later. Costa Mesa Mayor John Stephens disputed the state's characterisation, telling the Daily Pilot there was “absolutely no reason why we should be named in any lawsuit.”

Half Moon Bay's sixth-cycle element was due January 31, 2023. HCD issued the city a formal Notice of Violation on March 24, 2026, after Half Moon Bay proposed an October 2026 date for completing its required rezones — a timeline HCD called “unsatisfactory” because it would push compliance more than three years past the statutory due date. The coastal city faces an added layer of review because its housing sites also require California Coastal Commission sign-off under its Local Coastal Program.

What a housing element actually requires

California's Housing Element Law, which dates to 1969, requires every city and county to update a housing element of its general plan every five or eight years depending on its allocation cycle. The Department of Housing and Community Development must review and certify each element before adoption.

The current sixth Regional Housing Needs Allocation cycle requires jurisdictions collectively to plan for roughly 2.5 million additional homes statewide. Crucially, the law obliges cities to zone and plan for that capacity; it does not require them to build the housing themselves.

That distinction is why non-compliance is enforceable. A city cannot be sued for failing to construct homes, but it can be sued for refusing to zone for them, and under Government Code section 65589.5 a noncompliant city also loses much of its power to deny qualifying affordable projects — the builder's remedy.

The builder's remedy precedents behind the strategy

The state's leverage rests on cases already decided. In La Cañada Flintridge, HCD and Bonta intervened in Cedar Street Partners' suit over an 80-unit mixed-income project at 600 Foothill Boulevard that the city had rejected; a Los Angeles County Superior Court ruled in March 2024 that the city lacked a compliant housing element between October 2021 and November 2023 and ordered the project processed under the builder's remedy, the first such ruling in the state. La Cañada Flintridge withdrew its appeal in March 2025.

In Huntington Beach, the state sued in April 2023 after the city refused to adopt a compliant sixth-cycle element; a trial court ruled for HCD in May 2024, and the Fourth District Court of Appeal affirmed in September 2025, holding that even charter cities must comply with the Housing Element Law. In Elk Grove, HCD sued in May 2023 over the city's denial of a supportive-housing project and reached a settlement agreement with the city in September 2024 rather than a court judgment.

HCD has stated that two-thirds of previously out-of-compliance jurisdictions have since come into compliance or are expected to. Five defendants out of hundreds of jurisdictions is a narrow action aimed at the residual holdouts, but it follows a string of state wins that make the threat of litigation more concrete than it was before La Cañada Flintridge and Huntington Beach were decided.

What is contested and what is not

Costa Mesa's mayor is the only named official to publicly dispute the state's account; Half Moon Bay has instead responded through city staff letters describing active coordination with HCD and the Coastal Commission rather than outright rejection of the state's findings. No public statement from Calexico, Ridgecrest or Turlock was located in the material reviewed.

For housing production, the near-term effect is administrative rather than physical. Compliant zoning is a precondition for building, not the building itself, and the outcome of the five petitions — whether courts order compliance within 120 days, as in the earlier cases — is not yet decided.