Welcome to Long Island

About Colliers Long Island

About Us

Long Island Exclusives

Our exclusive listings

Exclusive Listings

Properties that we represent

October 2015

Local Research

Understanding the Market

Local Research

View the current Long Island Office and Industrial Market Reports


Featured Listings

Select properties in our market

100 Davids Drive

Hauppauge, NY

Three Contiguous Flex Properties for Sale

Marketing Flyer

320 Oser Avenue

Hauppauge, NY

20,000 SF Flex Building for Sale

Marketing Flyer

330 Oser Avenue

Hauppauge, NY

108,000 SF Flex Building for Sale

Marketing Flyer

National Spotlight

Colliers news and insights from across the U.S.

Knowledge Leader Spring/Summer 2015

Latest Knowledge Leader

Colliers International's business magazine

Explore what some companies are doing around wellness in the workplace

Read online

Get Inspired by Insights

The business blog of Colliers International

Check out recent posts from our contributing writers

Read latest posts

Colliers on Instagram

Great cities are made of great spaces

Join us in celebrating the beauty of the built environment

Visit Colliers on Instagram

We Are Colliers International

At Colliers, we are guided by our spirit of enterprise. What does that mean to you? It means our professionals embrace even the toughest challenges, and are relentlessly creative in solving them.


    At Colliers, we push each other to be better than we thought we could be. We go the extra step for our clients and partners, creating memorable experiences that enhance and grow our relationships. And we have a lot of fun along the way.

    Become a Colliers International Professional

From commercial real estate brokers to marketing professionals, IT experts and more, our career opportunities come in all shapes and sizes. But with one common goal: to help the best and brightest exceed their potential. And ours.