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New Detached ADU

New detached ADU with solar in Ontario

A new 850 square foot detached ADU with solar on a large Ontario lot, built around a vaulted, skylit kitchen with a big island. We designed it in-house, took it through City of Ontario plan check and built it, with two bedrooms, two bathrooms, a pantry and laundry.

Vaulted kitchen with a large island, brass dome pendants, terracotta tile and stainless appliances
City
Ontario
Project Type
Detached ADU
ADU
850 sq ft, 2 bed, 2 bath
Main House
1,638 sq ft, unchanged
Lot
19,032 sq ft
Solar
Included solar PV system

Overview

A new 850 square foot ADU with a vaulted kitchen at its heart

The Ontario property is a large 19,032 square foot lot with a 1,638 square foot house and a detached garage. The approved plans added a new 850 square foot detached ADU with its own solar system: a full home with a kitchen, dining and living area, two bedrooms, including one with a walk-in closet, two bathrooms, a pantry and laundry.

The kitchen sits under a vaulted ceiling with skylights and an exposed beam, with a large island, brass dome pendants, a terracotta-toned vertical tile backsplash, gray lower and white upper shaker cabinets and stainless appliances. Wood French doors open to the yard, and one of the bathrooms has a tub and shower wrapped in deep blue tile.

The Homeowners’ Goals

The goal was to put a second, fully independent home on a generous lot: roomy enough to live in every day, with a kitchen worth gathering in and its own solar power.

Our Approach & Work Completed

The Building

We built a new 850 square foot single-story ADU in gray stucco with a gable roof, a clerestory window, black sconces and wood French doors that open to the yard, with its own solar system.

The Kitchen

Under a vaulted ceiling with skylights and an exposed beam, a large island with a white quartz top sits beneath brass dome pendants, framed by gray lower and white upper shaker cabinets, a terracotta-toned vertical tile backsplash and stainless appliances.

Bedrooms and Baths

There are two bedrooms, one with a walk-in closet, and two bathrooms. One bath wraps its tub and shower in deep blue subway tile with a recessed niche, next to a dark vanity and arched mirror, and ductless mini-splits handle heating and cooling.

Scope of Work

Finished Project Gallery

Vaulted kitchen
Kitchen and island
Island
Blue tile bath
Vanity
The finished ADU
Bedroom
Sink and tile
Tile detail
Skylights
Pendants
French doors

The Result

The property now has a second home with its own solar power, a vaulted kitchen built for gathering, two bedrooms, two bathrooms, a pantry and laundry, all on a single level.

Free Estimate

Want a Project Like This One?

Tell us about your project and we'll help you plan something just as detailed as New Detached ADU with Solar in Ontario, from design through construction.

✓ Free, no-obligation estimate
✓ Scope and upfront pricing before the build begins
✓ One accountable team from design through closeout
✓ References and completed-project visits on request
(323) 979-2988

No obligation. We’ll review your scope and explain the next step toward design and construction.

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