ADU Construction

Kentland Home Addition & Two-Story ADU

A full residential transformation that included a major home addition, complete renovation of the existing single-family home, and construction of a new two-story ADU structure. The project added a 500 sq. ft. Junior ADU on the first floor and an 800 sq. ft. ADU with a private balcony on the second floor.

Junior ADU:: 500 sq ft, first floor
ADU:: 800 sq ft with a private balcony, second floor
Main house:: Major addition and complete renovation
Structure:: New two-story ADU

Every figure here comes from Yeganeh Inc.’s own published description of this project. Budget, duration and completion date were never published and are not estimated here. The “Before” image in the comparison below is an illustrative reconstruction made from the completed photograph, not a historical photograph of the property.

Completed two-story ADU at the Kentland project by Yeganeh Inc., seen from the driveway with a horizontal metal gate and hedge

Illustrative reconstruction of the Kentland property before the project: a driveway with a detached garage and chain-link fence where the two-story ADU now stands (AI-generated from the completed photograph, not a historical photograph)

Project overview

A full residential transformation that included a major home addition, complete renovation of the existing single-family home, and construction of a new two-story ADU structure. The project added a 500 sq. ft. Junior ADU on the first floor and an 800 sq. ft. ADU with a private balcony on the second floor.

This is the largest project on the site and the clearest illustration of what a property can absorb when the whole thing is planned at once. The existing house was both extended and fully renovated, and a separate two-story structure went up alongside it.

Scope of work

Junior ADU: 500 sq ft, first floor
ADU: 800 sq ft with a private balcony, second floor
Main house: Major addition and complete renovation
Structure: New two-story ADU

Why it matters

The two-story arrangement is what makes the numbers work on a lot like this. Stacking a junior ADU beneath a full ADU with its own balcony produces two independent living spaces from a single footprint, which is the argument for building upwards when ground area is the constraint.

It is also a useful project to look at if you are weighing an addition against an ADU, because this homeowner did not choose. The house got bigger and the property gained two separate units.

Outcome

A major home addition, a full renovation of the existing house, and a new two-story ADU with a 500 sq ft junior ADU below and an 800 sq ft ADU with a balcony above.

Two-story ADU
Junior ADU
Home addition
Whole-home renovation

Homeowner feedback

A Google review from a homeowner describing the same kind of work. It is not presented as a review of this project.

“I had an amazing experience working with Erfan on my ADU project. From the beginning, he was professional, honest, and easy to communicate with. He kept me updated throughout the entire process and made sure every detail was done the right way. The quality of the work exceeded my expectations, and the finished ADU turned out exactly how I envisioned it. His crew was reliable, respectful, and always kept the job site clean. If you're looking for someone who truly cares about the quality of their work and stands behind it, I highly recommend Erfan for any construction project. I wouldn't hesitate to work with him again. Thank you for making the whole process so smooth!”

- Bijan Sepanlou