Kevin O'Sullivan + Associates

01/27/2025

10/25/2024

Some fun in the sun in East Hampton. 🌞 New exterior work by KOSA with landscape design by . Home built by and photography by .

10/21/2024

We’re hiring!

02/14/2024

We’re thrilled to share that KOSA is a Best of Houzz 2024 winner! We’re so proud of all this team has accomplished and honored to be recognized for our work.

01/22/2024

Demolition has begun and Team KOSA is very happy to move this project off the drawing board and into reality!

03/22/2023

Coming soon to …new KOSA work .

11/17/2022

We’re loving this travertine and teak combo! 🖤🤎 Arch + ID by , home built by , styling by , and photographed by .

07/27/2022

Almost the whole team! We’re going to miss the rock star Summer ‘22 intern team .kern, , and of course the irreplaceable

07/21/2022

Primary bath fully wrapped in travertine slabs.

07/19/2022

So much to love in the formal living room of our new East Hampton home. Photo by with styling by

07/17/2022

NEW WORK in East Hampton expertly photographed by . Can you see yourself in this kitchen??

05/29/2022

Stunning geometry in travertine.