Bellflower, CA Accessory Structures: ADU Impact Fees (2026)
Key Facts
- Fee basis
- proportional to primary home sqft
- Also required
- separate utility connection fee
- State exemption
- ADUs under 750 sq ft
- New-use exception
- unless built with new home
Summary
Bellflower charges ADU development impact fees scaled to the primary home's square footage, plus a separate utility connection or capacity charge, subject to state ADU fee exemptions.
Except as provided in California law, all ADUs are subject to development impact fees proportional to the square footage of the primary dwelling unit in accordance with this code.
B. Except as provided by California law, each ADU must install a separate utility connection directly between the ADU and the utility, which is subject to a connection fee or capacity charge.
C. The City may charge reasonable inspection and construction fees for inspections and for all required permits. The fees will be established by City Council resolution and be assessed on the property owner.
D. An ADU will not be considered a new residential use for purposes of calculating connection fees or capacity charges for utilities, unless the ADU is constructed simultaneously with a new primary single-family dwelling. (Ord. 1443, 4/28/2025)
Full Breakdown
Bellflower Municipal Code Section 17.17.040 makes ADUs subject to development impact fees proportional to the primary dwelling's square footage, and requires each ADU to install a separate utility connection subject to its own connection fee or capacity charge, except that an ADU is not treated as a new residential use for connection-fee purposes unless it is built simultaneously with a new primary home. Both provisions open with 'except as provided in California law,' acknowledging that state ADU law (Gov. Code Section 66324, formerly Section 65852.2(f)) exempts ADUs under 750 square feet from impact fees and caps fees on larger units.
Violations & Fines
Failing to pay the applicable development impact fee or utility connection charge can hold up final Building Division permit sign-off and the ADU's certificate of occupancy.
Frequently Asked Questions
Do all Bellflower ADUs pay development impact fees?
Is a separate utility connection fee required?
Sources & Official References
Other rules in Bellflower
California rules heatmap·Compare Bellflower to another location·View the California accessory structures overview
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ADU Impact Fees in Nearby Cities
How other cities in Los Angeles County handle adu impact fees.