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Civic Data Works · Plans catalog · County of Orange

County of Orange — preapproved ADU plans

County of Orange ( County) posts 6 preapproved accessory dwelling unit plans on its own website, verified 2026-08-04.

Agency
County of Orange
County
Plans posted
6
Verified
2026-08-04

What’s posted

OC Development Services runs 'Ready Set Orange' with 6 free, directly downloadable plan sets, hosted at pwds.oc.gov.

Gap from a fully compliant program: None.

Source: https://pwds.oc.gov/service-areas/oc-development-services/planning-development/pre-approved-accessory-dwelling-unit-adu

Independently re-verified 2026-08-04: confirmed all 6 named PDF links resolve on the county's own domain.

Any other agency can adopt these plans

Cal. Gov. Code § 65852.27, added by Stats. 2023, ch. 759, amended by Stats. 2024, ch. 7 (SB 477) (§ 65852.27(a)(5)) lets any California local agency admit into its own program plans “A local agency may also admit the following accessory dwelling unit plans into the program: (A) Plans that have been developed and preapproved by the local agency. (B) Plans that have been preapproved by other agencies within the state.” A city or county without a preapproval program of its own can post County of Orange’s plans as part of its own program instead of designing new ones — see the full statewide catalog for more options.

We build and maintain the program page, the plan library and the required third-party submission path for agencies that want to stand this up: $1,950 setup + $3,600/year (year one all-in $5,550).

Get started — $1,950 setup Questions? Email [email protected]

Data from Civic Data Works’ AB 1332 compliance scan. If County of Orange’s plans have moved or you find an error, write to [email protected] and we will correct this page. Back to the full catalog.