Town of Chilmark, MA GIS

Overlay zoning districts are in addition to standard town zoning. The districts' boundaries and use limitations &/or development constraints are described in the town's zoning bylaw. The MVC generated these digital spatial boundaries based on the best GIS data available at the time of processing.Some overlay zoning districts are also Districts of Critical Planning Concern. These are zoning districts established by the Martha's Vineyard Commission and adopted by the town at town meeting.The boundaries are not survey-grade and are intended for planning purposes only.

Standard zoning boundaries, overlay zoning boundaries, and parcel data for Chilmark MA. All data is most current available as of April 2023. Zoning data compiled by the Martha's Vineyard Commission. Parcel Bounds are served out by MassGIS and created by the Town's parcel data consultant CAI Technologies. Since the parcel data are fed-in direct from MassGIS, whenever they receive an update from CAI Technologies for Chilmark, that data will automatically load into this web map.

Level 3 Parcel Data Standard Compliant parcel boundaries for Chilmark, MA. A 1-M relationship class exists from the parcels to the Assess table and from parcels to the Building table. The building table is an additional table (not part of the Level 3 Standard). Building info was provided by the Town assessor in late early 2020.

Zoning boundaries created back in 2004 by MAPC and slight modification, if needed, to align with road centerlines and coastline where appropriate by the MVC in 2004. This is still the most current version of this dataset as of 2024.

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MassGIS Level 3 Parcel Data: Data Fiscal Year: Aquinnah 2019, Chilmark 2021, Edgartown 2021, Gosnold 2015, Oak Bluffs 2021, Tisbury 2021, West Tisbury 2021.Building Info Table: Acquired by MVC from Town Assessors in FY20.Downloaded from MassGIS,, this polygon file represents the parcel bounds for the 7 towns in Dukes County MA (Aquinnah, Chilmark, Edgartown, Godnold, Oak Bluffs, Tisbury, West Tisbury). Each town has their own parcel data consultant and then the data are forwarded to MassGIS for final processing. All data comply with the MassGIS Level 3 Parcel Data Standard. This file geodatabase only includes the TaxPar feature class and Assess table for each town. All TaxPar feature classes were appended into one feature class (Parcels_duk) by the MVC.Each assess table is utilized in that town's respective relationship join (1 to Many) for linking the parcel polygon to the related record(s) in the Assess table. The Assess Table contains info about ownership and assessed values. This is not a detailed building table. If there are multiple owners associated with a property, then the Assess table will have multiple records for that property/parcel (such as for condo parcels).Each building table is utilized in that town's respective relationship join (1 to Many) for linking the parcel polygon to the related record(s) in the Bldg table. The Bldg (building) table contains info about each building on the parcel (such as number of bedrooms, number of bathrooms, the living area square footage, etc.). NOTES of CAUTION: The Living Area Square Footage may not represent the exact same thing in each town. As a generalization, Living Area is interior space that is heated. Regarding West Tisbury, their building table only contains info for one building on the parcel. It is uncertain at this time if the info is the most recent, most primary, or some kind of summarization where multiple buildings on a parcel exist.The field of [assess_mYB] represents the Minimum/Earliest Year Built for any building on the parcel and is appended to the TaxPar feature class based on an analysis of the info provided in the building table. This field [assess_mYB] is utilized in the Historic Structures App found in ArcGIS OnLine.

The Communities at Sea maps use Vessel Trip Report location point data as input to create density polygons representing visitation frequency ("fisherdays"). The data show total labor including crew time and the time spent in transit to and from fishing locations. They do not show other variables such as vessel value or number of pounds landed. The results can be interpreted as maps of "community presence." This layer shows data for the lobster fishing gear group for Chilmark, MA from 2011-2015.

Overlay zoning boundaries were compiled by the MVC or MassGIS depending on the date of edit for a particular overlay district. Each district is listed as an independent data layer that can be turned on or off on the map.The Chilmark parcel boundaries have been loaded in directly from the MassGIS ArcGIS OnLine cloud portal.

Spatial delineation of overlay zoning boundaries for Chilmark MA. These zones are in addition to the standard zoning districts. These GIS compilations are for planning purposes only and do not replace the definitive bounds as described in the written descriptions found in the Town's zoning by-laws.This GIS data was compiled using the most current base data obtainable at time of editing. Best efforts and intentions were used to translate/transfer the written description into a spatial boundary.

The complete minimum parcel size table for all types of Use within all Zoning Districts on Martha's Vineyard is available here.

Click here for details about the zoning districts.

Overlay zoning districts are in addition to standard town zoning. The districts' boundaries and use limitations &/or development constraints are described in the town's zoning bylaw. The MVC generated these digital spatial boundaries based on the best GIS data available at the time of processing.Some overlay zoning districts are also Districts of Critical Planning Concern. These are zoning districts established by the Martha's Vineyard Commission and adopted by the town at town meeting.The boundaries are not survey-grade and are intended for planning purposes only.

Prior to upload to the AGOL cloud, the Martha's Vineyard Commission set a definition query to only include those parcels having an Assessor's Use Code of either 6*, 7*, or 8*.The parcel boundaries and info are the most recent available per MassGIS as of June 2019. For the most current assessing info, please contact the Town's Assessing Office.The parcel boundaries and attribute table conform to the State's Level 3 Parcel Data Standard. See MassGIS for full details.See the MA Property Types Classification Code for a full explanation of each code.

This feature layer contains a zoning layer for each of the 7 towns within Dukes County MA. Most of the data was compiled by the Martha's Vineyard Commission. Older data was created by MAPC staff during the Community Development Plan project in the early 2000s.See dataset's attribute table for last edit date. The date range for edits is wide: 2003 to 2024. The basemap of reference, in some cases (Tisbury) was the current GIS parcel boundary file at time of editing. The other towns seaward extent of zoning will not match the parcel data bounds since a different basemap was referenced at time of editing. The ZoneCode attribute contains the abbreviated zoning name for each district, preceded by the town's ID number.For Zoning Bylaws, see each Town's bylaws website: Aquinnah Chilmark Edgartown Gosnold Oak Bluffs Tisbury West Tisbury

Overlay zoning districts are in addition to standard town zoning. The districts' boundaries and use limitations &/or development constraints are described in the town's zoning bylaw. The MVC generated these digital spatial boundaries based on the best GIS data available at the time of processing.Some overlay zoning districts are also Districts of Critical Planning Concern. These are zoning districts established by the Martha's Vineyard Commission and adopted by the town at town meeting.The boundaries are not survey-grade and are intended for planning purposes only.

Overlay zoning districts are in addition to standard town zoning. The districts' boundaries and use limitations &/or development constraints are described in the town's zoning bylaw. The MVC generated these digital spatial boundaries based on the best GIS data available at the time of processing.Some overlay zoning districts are also Districts of Critical Planning Concern. These are zoning districts established by the Martha's Vineyard Commission and adopted by the town at town meeting.The boundaries are not survey-grade and are intended for planning purposes only.

The Martha's Vineyard Commission, in varying years, has joined the town water department customer list to the parcel boundary file. Data includes:Edgartown - Year 2008 (water records & parcel boundaries)Chilmark (Menemsha) - Year 2004 (water records & parcel boundaries)Oak Bluffs - Year 2017 (water records; parcel boundaries FY19)Tisbury - Year 2016 (water records; parcel boundaries FY19)The towns of Aquinnah and West Tisbury are fully served by individual private wells. In Chilmark, it is only the Menemsha village which is served by the Menemsha Water Company. Those parcels NOT served by town water in Edgartown, Oak Bluffs, & Tisbury are served by individual private wells.