Published: 18 Oct 2026 · Last verified: 9 Oct 2026 · Next review: Jan 2027 Legislative summary, not legal advice. Changes are logged in Corrections.
Your ADU is finished. Inspected. Signed off. Now wait a year.
In California, you can design an ADU, permit it, and build it — then sit up to twelve months waiting for the utility hookup. No meter, no power. A finished apartment you cannot live in, while the loan payments keep coming. It is the longest phase of an ADU project, the least visible in every quote, and until last month, nobody in Sacramento had put a clock on it.
The backlog
The numbers come from the legislative record, not anecdotes. The bill author’s statements and committee testimony put the post-construction utility wait at up to 9–12 months for small projects. The scope is broader than ADUs — the bill covers “small energization projects” not requiring utility infrastructure upgrades: ADUs, JADUs, EV chargers, home backup batteries. But ADUs are the sympathetic center: a housing unit, completed during a housing crisis, uninhabitable for lack of a meter.
Why so long? The hookup queue is sequential by tradition: owners file after construction, the utility designs the service extension, schedules the crew, sets the meter. Each step queues behind every other project in the territory. Nothing in prior law set a deadline, so nothing moved urgently.
What SB 1196 does
SB 1196 (Sen. Jerry McNerney, D-Pleasanton), signed by Governor Newsom in late September 2026, effective January 1, 2027:
- Directs the CPUC (California Public Utilities Commission) to set clear timelines for utility hookup requests on covered small projects — with penalties for utilities that miss the deadlines.
- Parallel filing: applicants may submit the utility hookup request at the same time as the building permit application — two queues, one timeline, instead of sequential waits.
- Supported by the Casita Coalition, the state’s ADU advocacy group.
The penalty provision is the teeth. Deadlines without consequences are suggestions; SB 1196 makes them obligations.
What it means for your project
If your ADU finishes before 2027: the old rules apply. The single best thing you can do is start the utility conversation during design — call the utility when drawings start, not when framing ends. Every month of parallel processing is a month off the back end.
If your timeline crosses January 1, 2027: file the hookup request alongside the permit application on day one. The CPUC timelines will phase in through 2027 — watch the commission’s implementation, because the statute’s promise lands only when the deadlines are published.
The hidden cost framing: a 9-month wait on a $320,000 build at typical construction-loan rates is thousands of dollars in carry — plus nine months of lost rent. It belongs in the all-in math next to contingency and vacancy, and almost nobody puts it there. (Our all-in cost post covers the money side; this is the calendar side.)
What we are watching
- CPUC implementation — the deadlines and penalty structure, expected through 2027.
- Utility compliance — whether the large investor-owned utilities meet the new timelines or test the penalties.
- The 12/1 quarterly review — we will confirm the statute’s effective-date mechanics against primary sources.
Disclaimer
Legislative summary, not legal advice. Implementation details will develop through CPUC proceedings in 2027. Always confirm hookup requirements and timelines with your serving utility.