Atty. Diane M. McDermott

Atty. Diane M. McDermott

Diane M. McDermott is a partner in Holland & Knight's Boston office and a member of the firm's Real Estate Practice.

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Profile Summary

About Diane M. McDermott at a glance

Diane M. McDermott is a real estate attorney based in Boston, Massachusetts, practicing at Holland & Knight LLP. Admitted to practice in Massachusetts, Massachusetts Bar Association. Educated at Boston College (BS). Recognitions include Best Lawyers in America — Real Estate Law (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — Massachusetts Super Lawyer magazine, 2005-2013 (2026). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

Diane M. McDermott is a partner in Holland & Knight's Boston office and a member of the firm's Real Estate Practice. Ms. McDermott's practice focuses on numerous aspects of real estate law, including permitting and development, leasing, conveyancing, and purchase and sale transactions. She also represents clients in the hotel and hospitality industry in connection with various aspects of the business operations.

Ms. McDermott's representative engagements include:

Relocation of Corporate Headquarters

  • Represented a client in the relocation of its corporate headquarters from Boston to Cambridge, including assistance in structuring the transaction, negotiation of the lease with the landlord, and advice on the structuring and negotiation of the architect's contract, construction contracts and project management consultant contracts.
  • Represented a client/developer in the land acquisition, permitting, financing and ground-up construction of hotel properties, as well as in the transactions regarding the sale of operating hotel properties.
  • Representation of an international client, as a tenant, in its nationwide commercial office leasing requirements and the relocation of its North American headquarters.

    Institutional Commercial Property Owner

    • Represented a client in connection with a land acquisition and the financing, permitting and construction of a ground-up 425,000-square-foot commercial office building located on the South Shore of Boston.
    • Represented a client in connection with the purchase of an existing 350,000-square-foot commercial office building and its substantial renovation and the construction of a garage facility for the building.
    • Represented a client in connection with the sale of land and negotiation regarding utilities, easements, repurchase right and related retained rights for a major park redevelopment in the western suburbs of Boston.
    • Represented a major institutional client in connection with its major expansion of office space in a downtown Boston Tower.

      Retail Leasing

      • Represented a landlord/owner in connection with the leasing of multiple retail locations to commercial banking institutions and other retail users in a mixed-use project in Hartford, Conn.
      • Represented landlord in connection with the leasing of retail locations on Newbury Street, Boston, Mass., to a national retailer.
      • Represented national retailer in connection with its entry into the Boston market in connection with its tenant retail location on Newbury Street, Boston, Mass.
      • Represent tenant in connection with national leasing of retail locations for its operations in the retail clothing industry.
      • Represented national restaurant chain in connection with its national retail leasing.
      • Represented landlord/owner in connection with the negotiation of a lease for a single-tenant retail user in the suburban Boston market.
      • Represented client in connection with the sale of a subsidiary entity, including 150 retail restaurant locations. Analysis of issues presented in the retail leases in connection with the transfer and negotiation with respective landlords on all locations.

    Practice Areas Explained

    Diane M. McDermott's Areas of Practice

    Each practice area below reflects the types of cases Diane M. McDermott handles, with a brief overview of what that area of law covers.

    Real Estate Law

    Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

    Diane M. McDermott is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Massachusetts →

    Jurisdictional Context

    Why local counsel matters in Massachusetts

    Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.

    Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

    Frequently Asked

    Common questions about Diane M. McDermott

    Where is Diane M. McDermott's law office located?
    Diane M. McDermott's law practice is located in Boston, Massachusetts. The firm is Holland & Knight LLP. You can contact the office directly through this profile page.
    What practice areas does Diane M. McDermott handle?
    Diane M. McDermott focuses on real estate. Each practice area listed reflects experience handling cases of that type in Massachusetts.
    Where did Diane M. McDermott go to law school?
    Diane M. McDermott earned their education at (BS).
    How can I contact Diane M. McDermott for a consultation?
    You can contact Diane M. McDermott directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
    What awards or recognition has Diane M. McDermott received?
    Diane M. McDermott's notable recognition includes: Best Lawyers in America — Real Estate Law; Best Lawyers in America — Awards:; Best Lawyers in America — Massachusetts Super Lawyer magazine, 2005-2013.

    Practice Areas

    Education

    BS
    Boston College
    - In Progress

    Awards

    Best Lawyers in America — Real Estate Law
    - 2026
    Best Lawyers in America — Awards:
    - 2026
    Best Lawyers in America — Massachusetts Super Lawyer magazine, 2005-2013
    - 2026

    Bar Admissions

    Massachusetts, Massachusetts Bar Association

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