Westchester County Legislators

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District 12

MaryJane Shimsky

 MaryJaneShimskyDistrict 12

Ardsley, Dobbs Ferry, Edgemont, Hartsdale, Hastings-on-Hudson, Irvington

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MaryJane Shimsky, a Hastings-on-Hudson resident since 1995, was elected in February 2011 to the Westchester County Board of Legislators. She represents the County’s 12th Legislative District, which includes the villages of Ardsley, Dobbs Ferry, Hastings-on-Hudson and Irvington, as well as parts of unincorporated Greenburgh, including Edgemont and most of Hartsdale.

MaryJane is now serving her third full term as a Legislator. She chairs the Committee on Infrastructure, and has been named to the Committee on Transportation and Public Works of the New York State Association of Counties (NYSAC) and is a member of the New York State National Association of Counties’ (NACo) Transportation Steering Committee. She was a member of the New York State Mass Transit Taskforce for the bridge replacing the Tappan Zee.

In the time she has served on the Board, MaryJane has distinguished herself by her work on infrastructure and the environment. She chairs the Saw Mill Watershed Advisory Board (SWAB) and has spearheaded efforts to clear debris blocking the river. She also serves as an ex-officio member of the Westchester County Stormwater Advisory Board and co-chairs the Bronx River Advisory Board (BRAB). Her long-term goal is to control flooding and its worsening effects on our highways and neighborhoods. Click here for SWAB and BRAB meeting videos [scroll down to Saw Mill Watershed Advisory Board or Bronx Watershed Advisory Board].

MaryJane has worked to ensure the continued safety of the Ashford Avenue Bridge, which links the villages of Ardsley and Dobbs Ferry and crosses both the New York State Thruway and Saw Mill River Parkway. She has advocated proactive measures to keep debris from falling onto the highways and paths below, and is working to expedite the major construction work on the bridge—currently the worst County-owned bridge in Westchester, according to the State Department of Transportation. She plans to establish proper lines of communication in order to keep residents up-to-date with ramp and bridge closings as they happen. MaryJane is also working with the Village of Hastings to ensure that repairs to the Warburton Avenue Bridge have been performed properly, to ensure safety and minimum ongoing repairs as the bridge ages, and is collaborating with the Town of Greenburgh on vital traffic safety improvements to Jackson Avenue.

A lifelong environmentalist, MaryJane is developing a legislative agenda designed to simultaneously reduce pollution and the cost of government. Accordingly, she has worked with local governments and environmental groups to increase the use of mulching-in-place techniques on our properties. Mulching-in-place will reduce solid waste disposal costs for the County and municipal governments while decreasing production of greenhouse gases by garbage trucks. It will also save homeowners money by reducing the need for commercial fertilizers and soil amendments. In her time on the Board, MaryJane has sponsored legislation endorsing the Mid-Hudson Regional Sustainability Plan, co-sponsored a ban on using or transferring hydrofracking waste in Westchester County, and complete streets legislation requiring the County to consider pedestrians and bicyclists where appropriate, in road maintenance and improvement projects.

As Community Relations Director for Assemblyman Richard Brodsky from 2007-10, MaryJane represented the Assemblyman, assisted constituents and acted as liaison to local governments.

MaryJane is a former Vice Chair of the Westchester County Democratic Committee, and served as Chair of the Hastings-on-Hudson Democratic Committee for six years and Vice Chair for two. She was a Democratic District Leader for 12 years and is a former member of the Executive Committee of the Greenburgh Democratic Party. MaryJane has spent thousands of hours since 2004 volunteering on Town committees set up in response to the Ridge Hill development, and was instrumental in securing a $5 million settlement to be used for traffic improvements in the area.

A 1982 graduate of Yale University, MaryJane earned a law degree from New York University School of Law in 1985. She worked for four years as an Assistant District Attorney in the Appeal Bureau of the Manhattan District Attorney’s office. MaryJane also taught history and geography at Marymount College in Tarrytown before earning a Ph.D. in History from the City University of New York in 2007.

MaryJane grew up in Scranton, PA. She and husband David Agosto have two children, Isaac who is graduating from college this year, and Miranda, who attends Hastings-on-Hudson public schools.


MaryJane's Newsletters:

Summer 2017 Newsletter

Winter 2016 Newsletter

Summer 2015 Newsletter

Fall 2014 Newsletter

Summer 2013 Newsletter

Fall 2012 Newsletter

Summer 2011 Newsletter

MaryJane Shimsky


E-mail MaryJane
or call 914.995.2821



Ellen Hendrickx

Joy Haber

Committee Assignments

Committee Assignments

  • Infrastructure, Chair
  • Environment & Health
  • Legislation
  • Litigation
  • Public Safety & Social Services
  • Seniors & Constituencies