Erin A.

Land Use & Municipal


Hauppauge & Water Mill

T: 631-367-0715

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About Erin

Erin A. Sidaras concentrates in land use & municipal law. She represents clients in land use and development applications before municipal boards, including zoning and planning boards, and handles applications for site plan review, subdivisions, and variances in towns and villages throughout Nassau and Suffolk counties. Erin works closely with architects, engineers, surveyors and other land use and development professionals in preparing and presenting these applications. She also represents clients in state and federal court at both the trial and appellate level in connection with litigation matters involving towns and villages.

Erin also handles both residential and commercial real estate transactions and assists clients in securing financing and land use approvals. She is well-versed in unique land development uses such as map filings and abandonments, riparian right disputes, adverse possession claims and boundary line disputes.

As former deputy town attorney for the Town of Islip, she provided counsel to the Islip town board, zoning board and planning department in matters involving SEQRA, lead agency status and the, applicability of other federal, state, county and local environmental laws and regulations as they applied to land use and development. Erin also provided legal counsel regarding Phase 1, 2 & 3 remediation of potentially contaminated properties; strict liability; redevelopment of said properties and the rights and obligations of the town and private property owners with respect to potential clean-up, board-up, blight, and nuisance claims.

During her tenure with another prominent Long Island law firm, she was a member of the commercial litigation, environmental and appeals group where she litigated toxic tort, hazardous waste, and other environmental related matters. She also has extensive experience in matters involving disputed title to real property.

Prior to joining Farrell Fritz, Erin was in private practice in Central Islip, NY. She also worked at other Long Island and New York City-based law firms; as deputy town attorney (2009 to 2011) and assistant town attorney (2002 to 2009) for the Town of Islip and as co-owner of Title Insurance Company, underwriting real estate titles.


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  • Dowling College (MBA)
  • State University of New York at Stony Brook (BS)
  • Touro College Jacob D. Fuchsberg Law Center (JD)

Bar Admissions

  • New York

Court Admissions

  • U.S.D.C., Eastern District of New York
  • U.S.D.C., Southern District of New York
  • U.S.C.A., 2nd Circuit

Affiliations & Appointments

  • Touro Law Institute of Land Use & Sustainable Development Law, Board of Advisors
  • Nassau/Suffolk Law Services Committee, Inc., Advisory Council
  • Suffolk Academy of Law, Former Member, Board of Directors
  • New York State Bar Association
  • Suffolk County Bar Association
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Articles & Advisories

We Object: Filing a Change of Zone Protest Petition

September 03, 2014

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Press Releases

Erin A. Sidaras Joins Nassau/Suffolk Law Services Committee’s Advisory Council and the Board of Suffolk Academy of Law

Farrell Fritz is pleased to announce that Erin A. Sidaras has been appointed to the Advisory Council of the Nassau/Suffolk…

June 13, 2014

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Farrell Fritz Attorneys Appointed to Board of Touro Law Center’s Newly-Formed Institute on Land Use and Sustainable Development Law

Farrell Fritz attorneys Anthony S. Guardino and Erin A. Sidaras have recently been appointed to the board of Touro Law…

October 07, 2013

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Erin A. Sidaras and Robert M. Connelly Join Farrell Fritz

Erin A. Sidaras, a Shirley, NY resident, is counsel to the firm concentrating in land use & municipal law. She…

May 28, 2013

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Touro Law Review

Managing Editor