Irvine Zoning and ADU Guide for Homeowners and Sellers

Last updated November 13, 2026. Reviewed by the Cash Home Buyers CA team. Information comes from the City of Irvine; sources are listed at the end.

Irvine reviews ADU and junior ADU applications under state law, and its submittal list includes a notarized covenant that is recorded with the Orange County Recorder. The city also runs a Pre-Approved ADU Plans Program. This guide sticks to what the city’s own ADU page states.

Irvine ADU rules at a glance

Who reviews it	City of Irvine Planning Team: planning@cityofirvine.org, 949-724-6308
Application	ADU Verification Form from Planning, a completed ADU Permit Application, plans, calculations and construction documents
Site plan	Development Standards Checklist for Site Plan
Covenant	Obtain from Planning, have it notarized, and record it with the County of Orange Recorder when the case planner says to
Other forms	Hold Harmless Affidavit, owner and applicant affidavit, Developer Deposit form, school fee determination, transportation corridor form, address application
Fees	The city emails a link to pay required fees; see its Fee Schedule page
Fast track	Pre-Approved ADU Plans Program

What does the recorded covenant mean for a seller?

A recorded covenant runs with the property, so a buyer inherits whatever it says. If your Irvine house has a permitted ADU, ask for a copy of the recorded covenant and read it before you describe the unit to buyers.

The city’s ADU page does not spell out size limits or owner-occupancy rules, so confirm those with the Planning Team before you market a house as having a legal second unit.

How ADUs and zoning affect selling a house in Irvine

A permitted ADU can be a selling point, but a converted garage or backyard unit with no permit is something buyers’ inspectors and lenders flag. In California, sellers generally have to disclose known unpermitted work. Your choices are to permit the unit, remove it, discount the price, or sell as-is to a cash buyer who accounts for the risk. See our Irvine building permits guide for the lookup tools.

How to sell a house in Irvine with an unpermitted ADU

1. Check the permit record. Search the address in Irvine Quick Records to see whether the unit was ever permitted.
2. Check for complaints. Ask Code Enforcement at 949-724-6326 whether any case is open.
3. Weigh the options. Permit it, convert it back, sell with a credit, or sell as-is.
4. Disclose honestly. A cash offer does not change what you must disclose, but it removes repairs and inspections from the timeline.

We buy Irvine houses as they are, including houses with converted garages and backyard units. Read how selling a house as-is in Irvine works, or see our Irvine cash-offer process. If the house has been cited, read our Irvine code enforcement guide.

Not sure whether your unit is legal? Call (424) 435-2326 or request a cash offer. There is no cost and no obligation.

How an Irvine ADU application moves through the city

Irvine requires ADU and JADU applications to be submitted online through its IrvineReady! permit portal, under the project type “For Permitting–Other.” The city says staff review a submittal for completeness within about two business days and ask for more information if something is missing.

After that the city emails a link to pay the required fees, and the project goes to review once payment is received.

For a seller, this matters because a half-finished application from a previous owner can show up in the system, and a buyer will ask whether it was ever completed.

What a complete Irvine package contains

• An ADU Verification Form from the Planning Team and a completed ADU Permit Application
• Building plans, calculations and construction documents
• A Development Standards Checklist for the site plan
• A Hold Harmless Affidavit and a signed owner and applicant affidavit
• A notarized covenant, recorded with the County of Orange Recorder when the case planner says so
• A Developer Deposit Case Set-Up form
• A school fee determination, transportation corridor form and address application

If your house has a finished ADU, ask for the file copies of these documents. If any are missing, the unit may not have been completed through the city’s full process.

Where the pre-approved plans program stands

Irvine’s program is designed to offer plans that the city has already reviewed for building-code compliance, but the city says they still must be submitted with a building permit application and go through site-specific zoning and foundation review.

At the time this page was checked, the city’s list of available standard plans was marked as coming soon. That means a buyer should not assume a ready-made plan is available for your lot.

Describe the program accurately: it can reduce design cost, but it does not replace the city’s review.

Why the covenant deserves a careful read

The covenant is a recorded document, so it follows the property to the next owner. Before you advertise the house as having a legal unit, get the recorded copy from the County of Orange Recorder’s office or from the Planning Team and read what restrictions it places on use.

Ask whether it contains owner-occupancy or rental terms, since those can change who can buy the home and what they can do with the unit.

Three honest ways to describe a unit to buyers

1. Permitted and finaled: Share the permit number, final approval and recorded covenant.
2. Permit started, not finished: Say so, and check with the Planning Team whether the case is still open.
3. Never permitted: Say so plainly. A cash buyer will price the risk instead of asking you to fix it first.

More Irvine ADU questions

How do I apply for an ADU in Irvine?

Applications are submitted online through the city’s IrvineReady! portal, with the ADU Verification Form and the rest of the required package.

How long does Irvine take to check an ADU submittal for completeness?

The city says staff review a submittal for completeness within approximately two business days. That is not the same as the full review time.

Do pre-approved plans skip the city’s review?

No. The city still reviews the site-specific zoning and foundation factors when a standard plan is submitted with a building permit application.

Irvine zoning and ADU FAQ

Who do I contact about an ADU in Irvine?

The city’s Planning Team handles ADU questions at planning@cityofirvine.org or 949-724-6308.

Does an Irvine ADU need a recorded covenant?

The city’s ADU submittal requirements include a covenant that must be notarized and recorded with the County of Orange Recorder’s office.

Can I sell an Irvine house with an unpermitted ADU?

Yes. The sale is not legally blocked, but you should disclose the unit. A cash buyer can purchase the house as-is with the unit unpermitted.

Does Irvine have pre-approved ADU plans?

Yes. The city has a Pre-Approved ADU Plans Program, and applicants still submit the permit application and construction documents.

Sources

• City of Irvine: Project, Constructing an Accessory Dwelling Unit (ADU)
• City of Irvine: Pre-Approved ADU Plans Program
• California Government Code section 66314 (ADU ordinance standards)

This guide is general information, not legal advice. ADU rules change often; confirm requirements with the City of Irvine Planning Team.