Santa Cruz, CA Accessory Structures: Garage Conversions (2026)
Garage conversion rules in Santa Cruz, CA, sometimes called garage-to-ADU or accessory living unit conversions, govern permits, ceiling height, egress, and parking replacement.
Key Facts
- Code Section
- SCMC 24.16.125(2), 24.16.130(9)-(10), 24.16.141(5)
- Conversion Expansion
- Up to 150 sq ft footprint and 2 ft height
- Demolition Notice
- Not required for detached garage replaced by ADU
- Replacement Parking
- None required outside Coastal Zone
- State Law
- Cal. Gov. Code 66314 et seq.
Summary
The City of Santa Cruz allows converting a garage into an accessory dwelling unit under Santa Cruz Municipal Code 24.16.125 and 24.16.130; a conversion ADU may use the existing structure (plus up to 150 sq ft of expansion), and the city cannot require notice or a placard to demolish a detached garage being replaced by an ADU.
Covered Parking. At least 1 of the required parking spaces for each dwelling unit shall be covered, within a carport or a garage unless otherwise specified within Title 24. Each standard-size parking space required to be located in a garage or carport for a residential unit shall be not less than 19 feet in length by 8.5 feet in width.
Full Breakdown
125(2) defines a 'conversion accessory dwelling unit' as an ADU created by converting an existing permitted, entitled, or legal nonconforming building (including a garage), either reusing the structure or reconstructing within the existing three-dimensional space, and permits expansion of the footprint by up to 150 sq ft and height by up to 2 feet. 130(10) requires the demolition permit to be issued concurrently with the ADU permit. 141(5)). 141(2)). The City of Santa Cruz Municipal Code provides that '[c]overed parking. ' These ministerial conversion rules implement California's ADU statute (Cal. Gov. ).
Violations & Fines
Converting a garage to a dwelling without the required ministerial building permit is a building- and zoning-code violation enforced by the city's Planning and Community Development Department. SCMC 24.16.130(8) prohibits denying a permit for an unpermitted ADU built before January 1, 2020, on noncompliance grounds, providing a legalization path for older garage conversions.
Frequently Asked Questions
Can I convert my garage into an ADU in the City of Santa Cruz?
Do I have to replace the parking I lose by converting my garage?
Do neighbors get notice before I demolish a detached garage for an ADU?
Sources & Official References
Other rules in Santa Cruz
California rules heatmap·Compare Santa Cruz to another location·View the California accessory structures overview
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