ADU Impact Fees: Escondido vs Vista
How do adu impact fees rules compare between Escondido, CA and Vista, CA?
Escondido, CA
San Diego County
Escondido 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 impact fees proportionate to the principal dwelling's square footage. School district fees follow SB 13 (2019). Standard permit, plan-check, and connection fees still apply through the Escondido Planning and Building Department. Typical total fees for 750+ sq ft ADUs range $9,000-$12,000.
View full Escondido rules →Vista, CA
San Diego County
No data available yet for Vista.
Key Facts Comparison
| Fact | Escondido | Vista |
|---|---|---|
| Under 750 sq ft | All impact fees waived | - |
| 750+ sq ft | Proportional to principal dwelling | - |
| State Law | Gov. Code §65852.2(f); SB 13 | - |
| School Fees Under 500 sq ft | Waived (Ed. Code §17620) | - |
| Typical Total (750+) | $9,000-$12,000 | - |
Highlighted rows indicate differences between cities.
Escondido FAQ
Are ADU impact fees waived in Escondido?
Yes for ADUs under 750 sq ft — all local impact fees are waived by California Gov. Code §65852.2(f)(3). 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?
Standard building permit fees based on construction valuation, plan-check fees, and Escondido Utilities service fees if a new water or sewer connection is needed. School district fees apply for units 500 sq ft and larger. Property taxes will reassess on the added square footage.
Vista FAQ
No FAQs available.
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