ADU permit process in Benicia, California
Solano County, California
Prepared by GetYourPermit editorial teamReport an error
We haven’t written Benicia’s permit guide yet.
We publish permit process guides one city at a time, and we would rather publish nothing than guess at Benicia’s rules using another city’s process. Permit steps, submittal requirements, and review timelines are set locally, so a guide copied from a neighboring city would be wrong in ways that cost you time.
Here is what is useful for Benicia right now.
See the fee estimate for BeniciaStart here instead — official and primary sources for Benicia
- CityFinance
The live City Finance page identifies the FY2026/27 Master Fee Schedule as effective July 1, 2026 and links the direct City-hosted PDF.
Accessed August 29, 2026
The current City-hosted schedule gives the Building valuation table, inspection and plan-review formulas, Building administrative/surcharge rows, and ADU/PADU pre-approved-plan rows.
Accessed August 29, 2026
Accessed August 29, 2026
The signed June 2026 City memo states that the five named impact and capacity fees have no 2026 modifications, preserving the City’s previously published schedule values for the current year.
Accessed August 29, 2026
The City schedule sets proportional non-capacity impact treatment for ADUs at least 750 square feet and per-square-foot water and wastewater capacity fees; the 2026 City memo confirms these categories were not modified in 2026.
Accessed August 29, 2026
The live City ADU page confirms that the City recognizes attached, detached, and conversion ADUs and supplies the governing local ADU rules.
Accessed August 29, 2026
What to ask the Benicia building department
- The current building permit fee schedule, and the date it took effect.
- Whether development impact fees apply at your square footage — many California cities waive them for ADUs of 750 sq ft or less.
- Plan submittal requirements: what drawings they expect, in what format, and whether submittal is online or in person.