ADU Impact Fees: Glendale vs South Gate
How do adu impact fees rules compare between Glendale, CA and South Gate, CA?
Glendale and South Gate have similar restriction levels.
Glendale, CA
Los Angeles County
Glendale exempts ADUs under 750 square feet from all impact fees per California Government Code §65852.2(f)(3). ADUs 750 sq ft or larger pay a Parks and Libraries development impact fee of approximately $4,700 per ADU and other fees proportional to the principal dwelling's gross floor area. School fees are governed by SB 13 (2019). Standard building permit and plan-check fees still apply through Glendale Community Development.
View full Glendale rules →South Gate, CA
Los Angeles County
South Gate cannot charge any impact fees on ADUs under 750 sq ft, per Gov. Code §65852.2(f)(3)(A). ADUs 750 sq ft and larger may be charged impact fees only proportional to the primary dwelling's square footage. Standard building permit and plan check fees still apply.
View full South Gate rules →Key Facts Comparison
| Fact | Glendale | South Gate |
|---|---|---|
| Under 750 sq ft | All impact fees waived | - |
| 750+ sq ft Parks/Libraries Fee | Approx. $4,700 per ADU | - |
| Other Fees | Proportional to principal dwelling | - |
| State Law | Gov. Code §65852.2(f) | - |
| School Fees | Proportional under SB 13 | - |
| ADUs under 750 sq ft | - | NO impact fees allowed (Cal. Gov. Code §65852.2(f)(3)(A)) |
| ADUs 750+ sq ft | - | Impact fees proportional to main dwelling size |
| School fees | - | Only on ADUs 500+ sq ft (Cal. Ed. Code §17620) |
| Utility connection | - | Not required for ADUs converted from existing structures |
| Standard permit fees | - | Building/plan check fees still apply (based on construction cost) |
Highlighted rows indicate differences between cities.
Glendale FAQ
Are ADU impact fees waived in Glendale?
Yes for ADUs under 750 sq ft — all local development impact fees are waived by California Gov. Code §65852.2(f)(3). ADUs 750 sq ft or larger pay Glendale's Parks and Libraries fee (about $4,700) plus other fees proportional to the principal dwelling's size, not the full single-family rate.
What ADU costs still apply in Glendale?
Standard building permit fees based on construction valuation, plan-check fees, and any new utility service fees from Glendale Water & Power if a separate meter is requested. Property taxes will reassess on the added square footage.
South Gate FAQ
Will South Gate charge me impact fees for a small ADU?
No. State law (Cal. Gov. Code §65852.2(f)(3)(A)) prohibits any impact fees on ADUs under 750 sq ft. Standard building permit and plan check fees still apply.
Do I need a new water/sewer connection?
Not for ADUs converted from existing space (garage, basement, attached structure). New detached ADUs may require connection fees proportional to size.
What if South Gate charges me an illegal ADU fee?
File a complaint with the California HCD ADU enforcement unit and dispute the fee through South Gate's permit appeal process under SGMC Title 11.
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