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Accessory Structures in Alhambra, CA (2026)

5 verified accessory structures rules for Alhambra, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

ADU Rules

The City of Alhambra permits accessory dwelling units and junior ADUs ministerially under Zoning Code Section 23.22.040, implementing California Government Code 66310 et seq. Detached ADUs may reach 1,200 sq ft on single-family lots; JADUs are capped at 500 sq ft. ADUs may not be used as short-term rentals.

Alhambra ADU & JADU Rules

Some Restrictions

Shed Rules

Alhambra regulates sheds as detached accessory structures under its Zoning Code. One-story tool/storage sheds, playhouses and similar uses up to 120 sq ft and 12 feet tall are permitted, while larger accessory structures cap at 15 feet and must sit at least 3 feet from interior side and rear lot lines.

Alhambra Shed Rules

Some Restrictions

Garage Conversions

Alhambra allows existing garages and accessory structures to be converted into ADUs or JADUs ministerially under Zoning Code 23.22.040. Conversions within existing footprints need no added setback and no replacement parking, but the converted space must meet building, fire, and habitability codes.

Alhambra Garage Conversion Rules

Some Restrictions

Carport Rules

Alhambra regulates carports as detached accessory structures in its Zoning Code. They may not exceed 15 feet in height, must be set back at least 3 feet from interior side and rear lot lines, and are reviewed through Minor Site Plan Review along with other accessory structures.

Alhambra Carport Rules

Some Restrictions

Tiny Homes

Alhambra has no separate 'tiny home' ordinance. A tiny home placed on a permanent foundation can be permitted as an ADU under Zoning Code 23.22.040, but a tiny home on wheels is treated as an RV under California law and cannot be used as a permanent residence.

Alhambra Tiny Home Rules

Some Restrictions

Looking for Los Angeles County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Alhambra city rules.

Accessory Structures in Los Angeles County