ADU Impact Fees: Lincoln vs Roseville
How do adu impact fees rules compare between Lincoln, CA and Roseville, CA?
Lincoln and Roseville have similar restriction levels.
Lincoln, CA
Placer County
Per Cal. Gov. Code §65852.2(f), Lincoln cannot charge impact fees on ADUs under 750 square feet. ADUs 750 sq ft or larger pay impact fees charged proportionally to the square footage of the primary dwelling. Building permit fees still apply.
View full Lincoln rules →Roseville, CA
Placer County
Roseville waives all local impact fees on ADUs under 750 sq ft per California Government Code §65852.2(f)(3). ADUs 750 sq ft or larger pay impact fees proportional to the primary dwelling square footage. Building permit and plan-check fees still apply through Development Services. Roseville Electric Utility and Roseville Environmental Utilities capacity fees follow the same proportional rule.
View full Roseville rules →Key Facts Comparison
| Fact | Lincoln | Roseville |
|---|---|---|
| Impact fee for ADU under 750 sq ft | $0 (waived) | - |
| Impact fee for ADU 750+ sq ft | Proportional to primary dwelling | - |
| Authority | Cal. Gov. Code §65852.2(f) | - |
| Building permit fees | Still apply | - |
| Pre-approved plans (661/746 sq ft) | Impact fees waived | - |
| Fee protest deadline | 90 days (Gov. Code §66020) | - |
| Under 750 sq ft | - | All impact fees waived |
| 750+ sq ft | - | Proportional to primary dwelling |
| State Law | - | Gov. Code §65852.2(f) |
| School Fees | - | Proportional (SB 13) |
| City Utilities | - | Roseville Electric + Environmental Utilities |
Highlighted rows indicate differences between cities.
Lincoln FAQ
How much will impact fees be for my Lincoln ADU?
If your ADU is under 750 sq ft, impact fees are zero by state law (Gov. Code §65852.2(f)(3)(A)). If 750 sq ft or larger, fees must be proportional to the primary dwelling's square footage.
Do Lincoln's pre-approved ADU plans qualify for the fee waiver?
Yes. Both AB 1332 pre-approved plans (661 sq ft 1BR and 746 sq ft 2BR) are under 750 sq ft and qualify for the impact fee waiver.
What if Lincoln charges me an impact fee on a small ADU?
You may protest under Cal. Gov. Code §66020 within 90 days of payment. Document the fee, request the city's authority for it in writing, and contact HCD if not resolved.
Roseville FAQ
Are ADU impact fees waived in Roseville?
Yes for ADUs under 750 sq ft. California Gov. Code §65852.2(f)(3) preempts all local impact fees on small ADUs. ADUs 750 sq ft or larger pay proportionally based on the principal dwelling's size, not the full single-family rate.
What ADU costs still apply in Roseville?
Standard building permit fees (based on construction valuation), plan-check fees, and Roseville Electric Utility and Roseville Environmental Utilities service fees if a new electric, water, or sewer connection is required. Property taxes will reassess on the added improvement.
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