City program

Pre-Approved ADU Plans in Santa Ana, California

Browse official and accepted pre-approved ADU plans for Santa Ana, California. Compare plan size, bedrooms, providers, approval status, official source links, permit requirements, and fees.

Program status: source-backed listings Last checked May 1, 2026

Program Overview

This Santa Ana page summarizes source-backed pre-approved ADU plan listings for Santa Ana, California, using official records tied to City of Santa Ana. The current export lists 10 accepted plans from 2 providers; provider names include Design Path Studio and James Gartner & Associates. The accepted listings are tied to the local Santa Ana program. Plan records cover 399 to 749 sq ft and studio to 2 bedrooms where those fields were listed by the source.

Permit and fee context is kept separate from plan acceptance. The data export includes 21 permit requirement records and 2 fee records for Santa Ana. Permit requirement records include Allowed ADUs on single-family lots, Allowed ADUs on multifamily lots, and others. Fee records include Application review, permit, and development impact fees and Pre-approved plan ZIP download fee. When a source did not publish a value, the page keeps that field as Not listed in source instead of filling a blank.

Use these listings as a starting point for matching a plan to a property. Source links, checked dates, acceptance notes, and provider records are shown so you can verify whether a plan remains accepted locally, what site-specific review remains, and whether local fees, plan licensing, or provider terms apply. A listing in this directory does not guarantee permit approval for a specific parcel.

Summary

Location
Santa Ana, Orange County, California, USA
Accepted plans
10 accepted plans
Providers
2 providers
Origin programs
1 program
Plan size range
399 to 749 sq ft
Permit sources
12 sources

How to use this page

  1. Pick a plan size and bedroom count.
  2. Check whether the plan originated locally or is accepted from another city/county program.
  3. Open the official source.
  4. Confirm current status with the local building department.
  5. Ask the provider what site-specific work, plan licensing, engineering, and utility review are still required.

Accepted Plans

10 plans

Permit Requirements

21 requirements

All

Parking requirement

Official city source

One parking space required for newly constructed ADUs unless within 1/2 mile of public transit, created within existing building, in historic district, not offered required on-street permit, on same block as car share, or studio unit.

Last checked
May 1, 2026
Notes
Not listed in source

Fees

2 fee records

Detached

Pre-approved plan ZIP download fee

Official city source

No fee found on official Santa Ana plan download pages; plan ZIPs are downloadable from the official site.

Last checked
May 1, 2026
Notes
Amount stored as $0 because public download links are provided without listed charge; no separate purchase fee identified.

Official Sources

12 sources

Santa Ana ADU FAQ

6 answers

Does Santa Ana have accepted or pre-approved ADU plans in this directory?

Yes. The current Santa Ana, California page lists 10 accepted plans from 2 providers in the source-backed export.

What ADU plan sizes are listed for Santa Ana?

The listed Santa Ana plan records range from 399 to 749 sq ft. Use the individual plan cards to confirm bedrooms, bathrooms, plan documents, and provider details because some fields are not listed by every official source.

Where do the Santa Ana ADU plan records come from?

They are tied to 12 official sources in this page's source set, including City of Santa Ana. Each plan, fee, and permit note should still be checked against the linked official source before use.

Can Orange County or nearby city ADU plans be used in Santa Ana?

The current Santa Ana records do not show accepted plans from a separate Orange County or nearby city program. Treat outside pre-approved plans as unavailable in Santa Ana unless an official Santa Ana source says they are accepted.

Do pre-approved ADU plans guarantee permits in Santa Ana?

No. A source-backed accepted plan can reduce plan review work, but Santa Ana can still require site-specific review, zoning checks, fees, utility coordination, and current code compliance. This page lists 21 permit requirements to help flag items to verify with the local building department.

Are Santa Ana ADU permit fees and requirements listed?

This page includes 2 fee records and 21 permit requirements for Santa Ana. These are source-backed summaries, not a final permit quote or approval checklist.