Property management
Maximizing the value of real estate assets

See a case study


We provide office, retail, industrial, and investment commercial real estate services on behalf of owners, landlords, and tenants. We service all five boroughs of New York City and Long Island. Our professionals are relationship and results driven, and serve as client advisors for all corporate and retail real estate needs.

What sets us apart

Full Service

We’re a full-service real estate company that provides exceptional service to our clients.

One-on-one service

Long-term relationships that extend beyond the transaction.

Global reach

Lee & Associates has offices in the US and Canada, and a strategic partnership with Gerald Eve in the UK.


As owners and managers of real estate, we understand how to maximize the value of a real estate asset by maintaining efficient operations and appropriate tenant rosters. Our property management department includes experts in building systems, tenant relations, accounting, and an in-house legal team.

Visit Sierra Real Estate

  • Property Management
  • Project Management
  • Asset Management
  • Multifamily property investment
  • Investment sales
  • Marketing
  • Legal
  • Architecture, space planning, and design

Case studies & materials

72-76 Greene Street, New York, NY

72-76 Greene Street, New York, NY

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875 Sixth Avenue, New York, NY

875 Sixth Avenue, New York, NY

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Have a question about a service?

Give us a call or send us an email. We’re here to answer any questions you have.