Research
Plan review, in detail.
What we learn building automated building-code compliance review: how adoption and amendment actually resolve, where correction lists come from, and what the permitting bottleneck costs.
- 8 min read
The state code is the floor: why local amendments drive plan-check corrections
Two projects under the same state code edition, ten miles apart, get different correction lists. The reason is the amendment layer, and the precedence rules that decide which text wins when the state and the city disagree.
- 7 min read
The 2025 Title 24 changeover: which edition governs your California permit
California runs a three-year code cycle across thirteen parts of Title 24. The 2025 edition is now the governing cycle, and the 2022 edition still applies to applications complete on or before December 31, 2025, which means projects in flight right now span both.
- 6 min read
CBC Chapter 11B is not the ADA: the accessibility gap that gets California sets corrected
A California commercial set drawn carefully to the 2010 ADA Standards can still fail accessibility plan check, because the reviewer is not reading the ADA. They are reading CBC Chapter 11B, a separate state standard that is stricter in specific, checkable places.