Rated 4.9 on Google

Build the space your home is missing

ADUs, garage conversions, additions, kitchens and bathrooms across Los Angeles, permits handled. It starts with a free property visit and a free estimate.

  • Two-story ADU and home addition by Yeganeh Inc., front elevation
  • Kitchen with a marble waterfall island, pendant lights and framed prints
  • Rear patio of a completed ADU with a hammock and outdoor dining
  • Open-plan living and dining room with a vaulted ceiling
  • Bathroom with a freestanding tub, brass fittings and a garden window
  • Bedroom with a vaulted ceiling and a window onto the yard
  • Kitchen with grey cabinetry, a stone island and bar seating

A real number before you commit

Most contractors make you chase them for a price. We come to the property, look at what is there, and give you a written estimate. Both steps are free.

  • Free property visit, then a free written estimate
  • Plans and permits handled with the build
  • Licensed, bonded and insured, family-owned
Erfan Yeganeh
4.9/5
25+years of construction experience
Erfan Yeganeh on a completed Woodland Hills project

Why homeowners choose us

Over 25 years of construction experience, an early specialism in ADUs, and a family business where the person you speak to first is the person who runs your project.

  • One point of contact

    Erfan is involved day to day, from the first call to site oversight.

  • Plans, permits and build

    One team draws it, permits it and builds it. Nothing stalls.

  • Prices you can plan with

    Verified ADU and garage ranges, published here.

  • You are kept in the loop

    Regular updates, the thing reviews mention most.

Find the right service for your property

Six ways to get more from the home you already own. Each page tells you what the work involves and the cost ranges we stand behind.

How a project works

Three steps from the first call to the finished build. The first two are free.

  1. Two people shaking hands in a bright office

    Free property visit

    We look at the site with you and say what is realistic.

  2. A desk with a laptop, a calculator and handwritten notes

    Free written estimate

    Construction, plans and permitting as separate figures. No obligation.

  3. Two people in hard hats reviewing building plans by a window

    Plans, permits and build

    Drawings, permit and construction, one point of contact.

Our recent work across Los Angeles

Six completed homes, each with its own page and only the details Yeganeh has published: two-story ADUs, garage conversions, additions and remodels.

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)

1. Kentland Home Addition & Two-Story ADU

See what homeowners
are saying about
working with us

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 SepanlouGoogle review ยท ADU project
A Yeganeh Inc. two-story ADU at the framing stage

4.9

Google rating

25+

years of experience

A Yeganeh Inc. job site mid-build

FAQ

Questions homeowners ask first

Construction runs $280 to $320 per square foot for a one-story ADU and $285 to $320 for a two-story one, with plans and permitting priced separately. Converting an existing garage is usually cheaper: $90,000 to $110,000 for a typical 400 sq ft attached garage. Our cost guide explains what moves the number.

Your project deserves a real plan, not a guess

Call for a free property visit and a free written estimate. You will talk to the contractor, not a call centre.

Erfan Yeganeh