ADU Permits: Chino vs Hesperia
How do adu permits rules compare between Chino, CA and Hesperia, CA?
Hesperia has fewer restrictions than Chino.
Chino, CA
San Bernardino County
ADU permits in Chino are processed ministerially through the Planning Division and Development Services per CMC Chapter 20.11 and Cal. Gov. Code §65852.2(b). State law requires the city to act on a complete ADU application within 60 days without discretionary review or public hearings. Apply via the city's Accela Citizen Access portal at aca-prod.accela.com/CHINO.
View full Chino rules →Hesperia, CA
San Bernardino County
Hesperia's Development Services Department issues ADU permits ministerially under HMC 16.12.360. California Gov. Code 66317 mandates approval or denial of a complete ADU application within 60 days (the Hesperia ordinance still references the older 120-day window).
View full Hesperia rules →Key Facts Comparison
| Fact | Chino | Hesperia |
|---|---|---|
| Permit portal | aca-prod.accela.com/CHINO (Citizen Access) | - |
| Review type | Ministerial - no public hearing | - |
| State deadline | 60 days from complete application | - |
| Required permits | Planning ADU + Building (Title 15) + utility | - |
| Planning contact | 909-334-3253 / planning@cityofchino.org | - |
| Pre-approved plans | Available - skips plan check delays | - |
| Permitting Department | - | Development Services Department |
| Review Timeline (State) | - | 60 days (Cal. Gov. Code 66317) |
| Review Timeline (Local Text) | - | 120 days per HMC 16.12.360 (preempted by state) |
| Hearing Required | - | No - ministerial approval only |
| City Hall Phone | - | (760) 947-1200 |
Highlighted rows indicate differences between cities.
Chino FAQ
How long does ADU approval take in Chino?
By state law (Gov. Code §65852.2(b)), the city must act within 60 days of a complete application. Pre-approved plans speed this further.
Do I need a public hearing for my ADU?
No. ADU review is ministerial under Cal. Gov. Code §65852.2(b)(1) - no discretionary review or hearing is permitted for code-compliant applications.
Where do I submit my ADU application?
Online at aca-prod.accela.com/CHINO/Default.aspx (Citizen Access portal) or with the Planning Division at 13220 Central Ave.
Hesperia FAQ
How long does Hesperia have to approve an ADU permit?
60 days from a complete application under California Gov. Code 66317. Hesperia's local text still says 120 days, but state law preempts and the city must act within 60 days or the permit is deemed approved.
Do I need a public hearing for an ADU in Hesperia?
No. ADUs that comply with HMC 16.12.360 are approved ministerially by Development Services with no Planning Commission hearing or discretionary review.
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