What types of ADUs are shown in these projects?

Every permitted typology under California ADU law: detached ADUs ($245K–$440K+, 500–1,200 sq ft), attached ADUs ($200K–$350K+), garage conversions ($85K–$170K+), and Junior ADUs ($135K–$220K+): each designed, permitted, and built end-to-end by Avorino.

Where has Avorino built ADUs in Orange County?

Across 37 Orange County cities, from coastal builds in Huntington Beach and Newport Beach to inland projects in Anaheim, Irvine, and Santa Ana. Every city page details how that city's permits actually work.

How long did these ADU builds take?

Design, engineering, and permits typically run 4–6+ months, and construction 4–8+ months depending on type and city, with weekly progress reports through the build. Timelines vary with plan-check queues and site conditions.

Were these ADUs fully permitted?

Yes. Every project shown was fully permitted with its city and built to code under Avorino's General-B License #1107538, then closed out with final inspection and the tiered warranty.

Avorino ADU

Accessory Dwelling Units

Custom-designed ADUs for Orange County homeowners. Maximize your property value with a premium backyard home.

Get a Free Estimate →Call (714) 900-3676

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ADU Types

Four ways to add an ADU.

01 / 04

Detached ADU

Standalone unit in your backyard: maximum privacy and design flexibility. Popular for rental income or multigenerational living.

From: $245K–$440K+
Size: 500–1,200 sq ft

02 / 04

Attached ADU

Extension connected to your home with its own private entrance. Shares a wall for cost savings while maintaining complete independence.

From: $200K–$350K+
Size: 450–1,000 sq ft

03 / 04

Garage Conversion

Convert your existing garage into a fully permitted living space. The most affordable option.

From: $85K–$170K+
Size: 350–600 sq ft

04 / 04

Junior ADU (JADU)

Conversion within the existing primary residence footprint: efficiency kitchen + bedroom. The tightest-scope path to a permitted unit.

From: $135K–$220K+
Size: 300–500 sq ft

Our Process

How we build your ADU.

Feasibility and permit check

First conversation

We confirm what your city requires and whether your project needs a building permit before anything gets drawn.

Design and engineering

Included

You work with our engineer and architect on a plan built around your lot. The phase ends with architectural and structural plans, structural calculations, and Title 24, ready to submit.

Financing, if you need it

Skip if already funded

Already have the budget set aside? Skip this. If not, our lending partners finance ADU projects on terms that can run up to 30 years, with the option to refinance later. How much of the project cost a lender carries is set deal by deal, so plan on bringing some equity until a lender tells you otherwise.

3D rendering

Before we build

A virtual walkthrough of the finished unit while it is still on screen, so design problems get found and fixed before they become real ones.

Plan check

4–6+ weeks

The city reviews your plans against current building codes, zoning, and setbacks, and usually returns several rounds of corrections. We carry that correspondence with the engineer and keep you posted.

You choose the finishes

While plans are in review

You select the appliances, vanities, sinks, faucets, cabinets, and countertops, and you can buy them from any vendor you like. Where our experience says something will not hold up, we tell you.

Foundation and framing

Build phase

Footings, slabs, and the framing of walls and ceilings. A city inspector signs off each stage before the next one starts.

Mechanical, electrical, plumbing

Build phase

Rough-in for all three. Each one carries its own inspection that has to clear before we continue.

Finishes

Build phase

Drywall, paint, flooring, cabinets, countertops, outlets, and switches. Every finishing material has to be bought and delivered to the site before this phase starts, which is why we start the selections early.

Final inspection and handover

Certificate of occupancy

Final inspections, cleanup, and the unit ready for you or a tenant.

Settle in, then the punch list

1–2+ months after move-in

Small imperfections only surface once someone lives in a space. You get a month or two to find them, then we come back and correct them.

Recent Builds

A selection of finished work.

See more on Instagram@avorinoconstruction

Plan your ADU

Direct line

Cash-flowing rental income on your own property.

Call(714) 900-3676 Same-week free consultation

About these ADU projects

What types of ADUs are shown in these projects?: Every permitted typology under California ADU law: detached ADUs ($245K–$440K+, 500–1,200 sq ft), attached ADUs ($200K–$350K+), garage conversions ($85K–$170K+), and Junior ADUs ($135K–$220K+): each designed, permitted, and built end-to-end by Avorino.
Where has Avorino built ADUs in Orange County?: Across 37 Orange County cities, from coastal builds in Huntington Beach and Newport Beach to inland projects in Anaheim, Irvine, and Santa Ana. Every city page details how that city's permits actually work.
How long did these ADU builds take?: Design, engineering, and permits typically run 4–6+ months, and construction 4–8+ months depending on type and city, with weekly progress reports through the build. Timelines vary with plan-check queues and site conditions.
Were these ADUs fully permitted?: Yes. Every project shown was fully permitted with its city and built to code under Avorino's General-B License #1107538, then closed out with final inspection and the tiered warranty.