ADU Impact Fees: Hesperia vs San Bernardino
How do adu impact fees rules compare between Hesperia, CA and San Bernardino, CA?
Hesperia, CA
San Bernardino County
California Gov. Code 66315 prohibits Hesperia from imposing impact fees on ADUs under 750 sq ft. Larger ADUs may only be charged fees proportional to the primary dwelling's square footage. School fees and Mojave Water Agency capacity fees may still apply.
View full Hesperia rules →San Bernardino, CA
San Bernardino County
No data available yet for San Bernardino.
Key Facts Comparison
| Fact | Hesperia | San Bernardino |
|---|---|---|
| ADUs under 750 sq ft | No city impact fees | - |
| ADUs 750+ sq ft | Proportional fees only | - |
| Authority | Cal. Gov. Code 66315 | - |
| Water/Sewer Connection | Mojave Water Agency / Victor Valley WRA | - |
| School Fees | May apply for ADUs over 500 sq ft (Ed. Code 17620) | - |
Highlighted rows indicate differences between cities.
Hesperia FAQ
Does Hesperia charge impact fees on a 600 sq ft ADU?
No. California Gov. Code 66315 prohibits any city impact fee on ADUs under 750 sq ft. Building permit fees and water/sewer connection charges may still apply at actual cost.
What fees apply to a 1,000 sq ft ADU in Hesperia?
Building permit and plan check fees apply, plus impact fees proportional to the ADU's share of the primary dwelling's square footage. School fees from Hesperia Unified may apply since the ADU exceeds 500 sq ft, and Mojave Water Agency capacity fees may also apply.
San Bernardino FAQ
No FAQs available.
Compare other topics
See how Hesperia and San Bernardino compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool