Middlesex County GIS Data (Massachusetts)

An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Middlesex County, Massachusetts. As part of this job, Middlesex County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Middlesex County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Middlesex County GIS data on their websites.

Ashland Assessor Ashland MA 101 Main Street, 1st Floor 01721 508-881-0100

Belmont Assessor Belmont MA 19 Moore Street 02478 617-489-8231

Berkley Town Assessor Ayer MA 1 Main Street 01432 978-772-8211

Carlisle Assessor Carlisle MA 66 Westford Street 01741 978-369-0392

Chelmsford Assessor Chelmsford MA 50 Billerica Rd, # 101 01824 978-250-5220

Chelmsford Town Assessor Chelmsford MA 190 Richardson Road 01863 978-251-5111

Dracut Assessor Dracut MA 62 Arlington Street, Ste 2 01826 978-453-2451

Dunstable Assessor Dunstable MA 511 Main Street 01827 978-649-3257

Everett Assessor Everett MA 484 Broadway, Rm 11 02149 617-394-2205


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Middlesex County, Massachusetts. As part of that job, Building Departments maintain GIS data that can include Middlesex County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Middlesex County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Acton Planning Department Acton MA 472 Main Street 01720 978-264-9634

Arlington Building Department Arlington MA 51 Grove Street 02476 781-316-3390

Ashland Building Department Ashland MA 101 Main Street 01721 508-881-0117

Belmont Building Department Belmont MA 19 Moore Street 02478 617-489-8221

Billerica Zoning Billerica MA 365 Boston Road, # 105 01821 978-671-0964

Carlisle Building Department Carlisle MA 66 Westford Street 01741 978-369-6689

Chelmsford Building Department Chelmsford MA 50 Billerica Road, # 4 01824 978-250-5225

Concord Building Department Concord MA 141 Keyes Road 01742 978-318-3280

Concord Planning Department Concord MA 141 Keyes Road 01742 978-318-3290

Concord Zoning Concord MA 141 Keyes Road 01742 978-318-3295

Dracut Building Department Dracut MA 62 Arlington Street, Ste 8 01826 978-454-0603

Everett Building Department Everett MA Rm 29, 484 Broadway, Rm 29 02149 617-394-2220

Framingham Planning Department Framingham MA 150 Concord Street, # B2 01702 508-620-4852

Framingham Zoning Framingham MA 150 Concord Street 01702 508-532-5456

A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Middlesex County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Middlesex County GIS data is often accessible through the Clerk Office website.

Acton Town Clerk Acton MA 472 Main Street 01720 978-264-9615

Ashby Town Clerk Ashby MA 895 Main Street, Ste 1 01431 978-386-2424

Ashland Town Clerk Ashland MA 101 Main Street 01721 508-881-0114

Bedford Town Clerk Bedford MA 10 Mudge Way, Ste 1 01730 781-275-0083

Belmont Town Clerk Belmont MA 455 Concord Avenue 02478 617-489-8201

Burlington Town Clerk Burlington MA 29 Center Street 01803 781-270-1660

Chelmsford Town Clerk Chelmsford MA 50 Billerica Road, # 1 01824 978-250-5205

Concord Parking Clerk Concord MA 22 Monument Square 01742 978-318-3050

Dunstable Town Clerk Dunstable MA 511 Main Street 01827 978-649-4514

Everett City Clerk Everett MA 484 Broadway, Rm 10 02149 617-394-2225


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Middlesex County, Massachusetts. These GIS maps typically include property boundaries, real estate appraisal values, Middlesex County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Middlesex County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Acton Town Hall Acton MA 486 Main Street 01720 978-635-0072

Arlington Town Hall Arlington MA 730 Massachusetts Avenue 02476 781-316-3255

Ashby Town Hall Ashby MA 895 Main Street, Ste 3 01431 978-386-2424

Bedford Town Hall Bedford MA 10 Mudge Way, Ste 1 01730 781-275-1111

Belmont Town Hall Belmont MA 455 Concord Avenue 02478 617-993-2600

Billerica Town Hall Billerica MA 365 Boston Road, Ste 207 01821 978-671-0942

Boxborough Town Hall Boxborough MA 29 Middle Road 01719 978-263-1116

Burlington Town Hall Burlington MA 29 Center Street 01803 781-270-1620

Cambridge City Hall Cambridge MA 344 Broadway 02139 617-349-4700

Carlisle Town Hall Carlisle MA 66 Westford Street 01741 978-369-6155

Chelmsford Town Hall Chelmsford MA 50 Billerica Road 01824 978-250-5288

Concord Town Hall Concord MA 22 Monument Square 01742 978-318-3050

Dracut Town Hall Dracut MA 62 Arlington Street, Ste 4 01826 978-453-0951

Dunstable Town Hall Dunstable MA 511 Main Street 01827 978-649-3257

Everett City Hall Everett MA 484 Broadway, Rm 10 02149 617-389-2100

Framingham Town Hall Framingham MA 475 Union Avenue 01702 508-532-5960


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in Middlesex County, Massachusetts. The Army Corps of Engineers keeps Middlesex County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These Middlesex County maps may be available on the Army Corps of Engineers website.

Concord Army Corps of Engineers Concord MA 66 Virginia Road 01742 978-318-8111