Middlesex County Block and Lot (Massachusetts)

The Building Department is responsible for creating and enforcing Middlesex County building codes and zoning regulations in order to ensure the construction of safe buildings. As part of that job, Middlesex County Building Departments maintain a number of property-related records, including documents on block and lot information. These records can include plat maps, property maps, and Middlesex County block and lot databases, and they provide parcel numbers, subdivisions within a lot, lot identifiers, and tracts of land. Building Departments in Middlesex County, Massachusetts may provide access to an online, searchable database to identify blocks, lots, and parcel numbers for properties, which can also show zoning boundaries.

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

Lincoln Planning Department Lincoln MA 16 Lincoln Rd 01773 781-259-2610

Littleton Building Department Littleton MA 41 Shattuck Street 01460 978-540-2420

Lowell Building Department Lowell MA 375 Merrimack Street, Rm 55 01852 978-970-4036

Lowell Planning Department Lowell MA 50 Arcand Drive, Ste 2 01852 978-446-7245

The Middlesex County Clerk Office stores important public records for the Middlesex County local government, including records related to Middlesex County property such as block and lot information. These records can include plat maps, property maps, and block and lot databases, and they show parcel numbers, subdivisions within a lot, tracts of land, and lot identifiers in Middlesex County, MA. They may also include other descriptions of the property for both urban and suburban areas. Clerk Offices in Middlesex County provide online tools to look up the block and lot information for any property by its address.

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

Lincoln Town Clerk Lincoln MA 16 Lincoln Road 01773 781-259-2607

Lowell Clerk Lowell MA 375 Merrimack Street, Rm 17 01852 978-970-4100


The Assessor Office determines the value of taxable property within a Middlesex County or local area. These property assessments are used to calculate property taxes in Middlesex County, Massachusetts. Assessors keep detailed information on Middlesex County block and lot divisions, and many provide an online, searchable database to identify blocks, lots, and parcel numbers for properties by address. Urban and suburban block and lot information includes parcel numbers, subdivisions in a lot, and all tracts of land in the area. Assessor Offices may also have Middlesex County property maps known as plat maps that show block and lot information.

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

Littleton Assessor Littleton MA 37 Shattuck Street 01460 978-952-2313