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The CEQA Excuse Is Gone for Most Lots Under 20 Acres

For decades, the standard reason a housing project stalled in California was environmental review. An Initial Study or a full EIR could add months and real money before a single unit was framed, and plenty of owners walked away from viable land because of it.

On June 30, 2025, Sacramento signed two bills, AB 130 and SB 131. The changes are live right now, and most property owners have not heard.

What actually changed

The 20-acre exemption. Qualifying housing on an urban site of 20 acres or smaller, consistent with local zoning, is now exempt from CEQA entirely. Most South Bay and Peninsula residential lots already clear the location test, since the gate is being inside a city or Census-defined urban area. Once the exemption applies, approval runs on a 30-day window instead of an open-ended review.

The near-miss rule. Before, missing an exemption on one condition could throw your whole project into full environmental review. Now, if a housing project misses on one single issue, the review is limited to that one issue. It cannot balloon into a full report.

The small-lot paths got faster. SB-9 lot splits, ADUs, and the up-to-10-home routes under SB-684 and SB-1123 were already ministerial, meaning no CEQA and no public hearing. They now carry 60-day decision clocks, and some are deemed approved if the city misses its own deadline.

The honest caution

The exemptions carve out very-high fire hazard zones, flood zones, coastal parcels, prime farmland, and contaminated sites. A site on a listed hazardous-waste registry needs a Phase I assessment and cleanup before occupancy. Larger projects pick up prevailing-wage requirements. And every city still applies its own objective standards, which differ more than most owners expect. In our own coverage area, the same lot-split plan that works in San Jose fails in Sunnyvale, shrinks in Menlo Park, and triggers extra review in Palo Alto.

Whether your lot qualifies is a parcel-level question, not a headline question.

Why this matters right now

Construction loans for small residential projects are running near 8.5 percent. At that cost of money, carry decides whether a deal pencils, which makes timeline the whole game. The CEQA change just shortened the timeline for qualifying parcels. Owners who find out early whether their parcel qualifies are the ones who capture the value.

Find out if your parcel qualifies

If you own a lot in Santa Clara County and want to know what these rules mean for your specific address, start with a free ClearPath Read. Know what your property can actually do before you spend money on plans.

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