Property Record Card Massachusetts

666 U 401 Main St, Winchester — property record card

Residential Condominium built in 1982 in Winchester, assessed at $35,452,900 for fiscal year 2026; last sold for $800,000 on October 24, 2025.

Rebuilt from the Winchester assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Winchester assessor’s office.

Parcel

Location666 U 401 Main St, Winchester MA 01890
Map and parcel ID9-186:19-233 9-220
UseResidential Condominium (use code 102)
ZoningCBD
CountyMiddlesex

Valuation — fiscal year 2026

Building$35,452,900
Land$0
Total assessed$35,452,900

Building

Year built1982
StyleCONDO-GRDN
Living area1,415 ft²
Rooms5
Stories1

Last recorded sale

Price$800,000
DateOctober 24, 2025
DeedRegistry of Deeds book 84782, page 59

48 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment.

AddressAccountUseAssessedLast sale
62 Vine St9-191Residential Condominium$828,500$800,000
October 24, 2025
666 U 201 Main St9-192Residential Condominium$778,800$636,000
June 18, 2021
666 U 202 Main St9-193Residential Condominium$746,000$762,000
March 29, 2023
666 U 203 Main St9-194Residential Condominium$754,300$761,000
August 29, 2024
666 U 204 Main St9-195Residential Condominium$780,700nominal ($0)
August 21, 2020
666 U 205 Main St9-196Residential Condominium$700,700nominal ($0)
August 11, 2025
666 U 206 Main St9-197Residential Condominium$733,300$710,000
September 10, 2025
666 U 207 Main St9-198Residential Condominium$750,300nominal ($0)
November 7, 2019
666 U 208 Main St9-199Residential Condominium$700,700nominal ($0)
August 23, 1990
666 U 209 Main St9-200Residential Condominium$720,100nominal ($0)
July 30, 2008
666 U 210 Main St9-201Residential Condominium$750,300$485,000
December 22, 2017
666 U 211 Main St9-202Residential Condominium$700,700nominal ($0)
October 2, 2020
666 U 212 Main St9-203Residential Condominium$711,800$415,000
December 30, 2014
666 U 215 Main St9-204Residential Condominium$692,800$329,000
December 1, 2003
666 U 217 Main St9-205Residential Condominium$730,200nominal ($0)
May 16, 2025
666 U 301 Main St9-206Residential Condominium$765,100nominal ($0)
October 8, 2004
666 U 302 Main St9-207Residential Condominium$730,900nominal ($0)
October 15, 1999
666 U 303 Main St9-208Residential Condominium$720,100nominal ($0)
July 1, 2022
666 U 304 Main St9-209Residential Condominium$756,700$537,500
July 16, 2020
666 U 305 Main St9-210Residential Condominium$700,700nominal ($0)
August 30, 2018
666 U 306 Main St9-211Residential Condominium$700,700nominal ($0)
May 4, 1988
666 U 307 Main St9-212Residential Condominium$756,700nominal ($0)
February 27, 2025
666 U 308 Main St9-213Residential Condominium$700,700nominal ($0)
March 22, 2018
666 U 309 Main St9-214Residential Condominium$821,400$834,000
June 16, 2025
666 U 310 Main St9-215Residential Condominium$767,800nominal ($0)
June 3, 2025
666 U 311 Main St9-216Residential Condominium$700,700nominal ($0)
March 22, 2018
666 U 312 Main St9-217Residential Condominium$768,700$440,000
March 9, 2011
666 U 315 Main St9-218Residential Condominium$742,000$555,000
September 14, 2020
666 U 317 Main St9-219Residential Condominium$740,700nominal ($0)
January 28, 2020
666 U 401 Main St9-220Residential Condominium$871,800$660,000
December 29, 2020
666 U 402 Main St9-221Residential Condominium$781,000$435,000
August 29, 2012
666 U 403 Main St9-222Residential Condominium$754,000nominal ($0)
July 31, 2012
666 U 404 Main St9-223Residential Condominium$754,000nominal ($0)
September 27, 2024
666 U 405 Main St9-224Residential Condominium$769,700nominal ($0)
June 13, 1994
666 U 406 Main St9-225Residential Condominium$783,000$600,000
December 27, 2018
666 U 407 Main St9-226Residential Condominium$730,900$550,000
January 25, 2023
666 U 408 Main St9-227Residential Condominium$711,800nominal ($0)
January 23, 2020
666 U 409 Main St9-228Residential Condominium$743,800$375,000
December 23, 2008
666 U 410 Main St9-229Residential Condominium$764,700nominal ($0)
November 9, 2023
666 U 411 Main St9-230Residential Condominium$769,700$445,000
August 4, 2015
666 U 412 Main St9-231Residential Condominium$721,600$570,000
December 7, 2021
666 U 415 Main St9-232Residential Condominium$682,000$435,500
June 29, 2015
666 U 417 Main St9-233Residential Condominium$719,100$345,000
June 26, 2003
666 U L-1 Main St9-186Residential Condominium$667,700nominal ($0)
February 23, 2000
666 U L-2 Main St9-187Residential Condominium$749,800$630,000
February 25, 2025
666 U L-3 Main St9-188Residential Condominium$689,500$660,000
February 12, 2025
666 U L-4 Main St9-189Residential Condominium$608,400$420,000
September 8, 2017
666 U L-5 Main St9-190Residential Condominium$728,300$457,000
May 28, 2010

What MassDEP has recorded

No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.

Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 5 sites with an Activity and Use Limitation. All MassDEP sites in Winchester.

What this means

Point at the centre of the assessor parcel — not a survey.

Data: Winchester assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

First page of a sample Massachusetts Property Report

The report for 666 U 401 Main St

This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.

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