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Condominium & Cooperative Law


Rosenberg & Estis, P.C.

Condominium and cooperative communities operate in an increasingly complex legal and regulatory environment. Boards, sponsors, developers, managing agents, lenders, purchasers, sellers, and owners face evolving governance obligations, construction and capital improvement projects, financing challenges, regulatory compliance, and disputes that demand practical legal guidance informed by deep industry experience.

Rosenberg & Estis provides comprehensive legal counsel to condominium and cooperative communities throughout every stage of their lifecycle—from development and formation to day-to-day governance, transactions, financing, redevelopment, and litigation. Backed by one of New York’s premier real estate law firms, our Condominium & Cooperative Group combines sophisticated transactional counsel with nationally recognized litigation capabilities to help clients navigate legal challenges efficiently while protecting the long-term value of their properties.

Whether advising a board on governance issues, assisting a sponsor with development and offering plan matters, representing a lender in connection with project financing, or litigating complex disputes, we provide practical, business-focused solutions tailored to each client’s objectives.


Practical Counsel. Proven Results.

We understand that condominiums and cooperatives are more than legal entities—they are businesses, investments, and communities. Our attorneys work closely with clients to minimize risk, resolve disputes efficiently, maintain regulatory compliance, and preserve long-term asset value.

By combining strategic counseling with exceptional litigation and transactional capabilities, Rosenberg & Estis delivers the sophisticated representation clients expect from one of New York’s leading real estate law firms.


Our Services
  • Board Representation
    • Governance and fiduciary duty counseling
    • Board policies and governance documents
    • Rule enforcement and owner/shareholder disputes
    • Regulatory compliance
    • Vendor and management agreements
  • Sponsor & Developer Representation
    • Condominium and cooperative formation
    • Offering plan preparation and amendments
    • Attorney General matters
    • Board turnover and transition issues
    • Development and restructuring transactions
    • No Action Condo Formation
  • Transactions & Financing
    • Purchases and sales
    • Cooperative transfers
    • Condominium acquisitions
    • Lender representation
    • Financing and project eligibility issues
  • Litigation & Dispute Resolution
    • Governance disputes
    • Construction and access claims
    • Breach of fiduciary duty actions
    • Collections and enforcement proceedings
    • Alternative dispute resolution and appeals


An Integrated Real Estate Platform

One of Rosenberg & Estis’ greatest strengths is our ability to provide multidisciplinary counsel through a single legal team. Our Condominium & Cooperative Group collaborates closely with attorneys across the firm’s nationally recognized practices, including:
  • Real Estate Transactions and Development
  • Construction
  • Commercial and Residential Litigation
  • Banking and Finance
  • Labor and Employment
  • Trusts and Estates
  • Tax
  • Administrative and Regulatory Matters
This integrated approach allows us to address the full range of legal and business issues affecting condominium and cooperative communities while delivering practical, coordinated solutions.