Middlesex County Flood Maps (Massachusetts)

Assessors in Middlesex County, Massachusetts are charged with determining the value of taxable property within a county or local area. These property value assessments are used to levy property taxes. In addition to tax assessment, assessors maintain detailed county and local maps that show parcel boundaries and buildings, including flood maps. These Middlesex County flood maps show flood zones, flood damage, topography, and drainage patterns, which can impact property values. Middlesex County Assessors may make flood maps available 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

Groton Assessor Groton MA 173 Main Street 01450 978-448-1127

Holliston Assessor Holliston MA 703 Washington Street 01746 508-429-0604

Hopkinton Assessor Hopkinton MA 18 Main Street, Ste 1 01748 508-497-9720

Hudson Assessor Hudson MA 78 Main Street 01749 978-568-9620

Lincoln Assessor Lincoln MA 16 Lincoln Road 01773 781-259-2611


Building Departments in Middlesex County, Massachusetts ensure the construction of safe buildings by creating and enforcing building codes. As part of this process, Middlesex County Building Departments use flood maps to establish standards for building construction and resistance to natural disasters. Many maintain and evaluate flood maps, which include information on Middlesex County flood zones, flood hazards, topography, soil composition, and flood drainage patterns. These maps may also include information on building codes and regulations related to flooding. These flood maps may be available online through the Building Department.

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

Holliston Building Department Holliston MA Ste 2, 703 Washington St, Ste 2 01746 508-429-0606

Lincoln Building Department Lincoln MA 16 Lincoln Road 01773 781-259-2613

Clerks in Middlesex County, Massachusetts keep public records for a county or local government, including a number of different types of documents. As part of their duties, Clerks maintain detailed maps, including Middlesex County flood maps. These maps contain flood zone information, flood hazards, topography, rivers, lakes, and other bodies of water, as well as other flood-related information. Clerks may also keep Middlesex County historical flood maps. These flood maps may be available through the Clerk's 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

Groton Town Clerk Groton MA 173 Main Street 01450 978-448-1100

Holliston Town Clerk Holliston MA 703 Washington Street, Ste 2 01746 508-429-0601

Hopkinton Town Clerk Hopkinton MA 18 Main Street, Ste 1 01748 508-497-9710


Archives in Middlesex County, Massachusetts collect and store documents and other records that have historic value. Most archives also contain local Middlesex County maps, including flood maps. These flood maps include Middlesex County flood zones, topography, and soil composition. They may also show drainage patterns and flood hazards. Archives may also have historical flood maps that show major floods from the past as well as Middlesex County flood plan improvements. Many archives are housed within libraries, and archives may provide online access to their flood map collections.

Boston National Archive Waltham MA 380 Trapelo Road 02452 781-663-0144

Framingham Police Records Archive Framingham MA 1 William H Welch Way 01702 508-532-5920

Lincoln Lama Yeshe Wisdom Archive Lincoln MA 6 Goose Pond Road 01773 781-259-4466


Emergency Services in Middlesex County, Massachusetts manage emergency preparations, responses, and recovery at different levels of government. They may handle natural disasters, severe weather incidents, and a number of other emergency situations. As part of their responsibility for preparedness, Emergency Services departments often maintain Middlesex County flood maps, including flood zones, flood insurance rates, FEMA flood information, and flood hazards. The maps also show water flow and drainage patterns, and may contain emergency flood response information. Middlesex County flood maps may be available online through Emergency Services departments.

Brandeis University Emergency Medical Corps Waltham MA 415 South Street 02453 781-736-4263

Framingham Emergency Services Framingham MA 112 Hollis Street 01702 508-872-7698

Grant County Emergency Medical Services - Matthews Medic 10 Arlington MA 730 Massachusetts Avenue 02476 765-674-6592

Groton Emergency Medical Services Groton MA 99 Pleasant Street 01450 978-448-6333