Middlesex County Property Assessor (Massachusetts)

Middlesex County Assessors determine the value of properties and parcels so that the jurisdiction can levy Massachusetts property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on Middlesex County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. Middlesex County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Middlesex County Assessment Offices provide online access to their property assessment records.

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


Middlesex County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Massachusetts municipality. These Middlesex County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the Middlesex County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Middlesex County Clerks provide online access to their public property tax records, including documents related to property assessments.

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

Middlesex County Town Halls and City Halls are the chief administrative office that runs a town or city in Massachusetts. The Town or City Hall maintains records related to the locality, including property assessment records. These Middlesex County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

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

Groton Town Hall Groton MA 173 Main Street 01450 978-448-1120

Hopkinton Town Hall Hopkinton MA 18 Main Street 01748 508-497-9705


Middlesex County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Massachusetts. The Office of the Treasurer and Tax Collector maintains current data on every Middlesex County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on Middlesex County property auctions and a property's prior liens or foreclosures. Middlesex County Treasurers and Tax Collectors provide online databases to access property assessment records.

Arlington Treasurer Arlington MA 730 Massachusetts Avenue 02476 781-316-3030

Ashby Town Tax Collector Ashby MA 895 Main St 01431 978-386-2427

Bedford Tax Collector Bedford MA 10 Mudge Way, Ste 1 01730 781-275-1517

Burlington Tax Collector Burlington MA 29 Center Street 01803 781-270-1625

Dunstable Tax Collector Dunstable MA 511 Main Street 01827 978-649-7271

Everett Treasurer Everett MA 484 Broadway, Rm 15 02149 617-394-2315