171 U 65 Swanton St, Winchester — property record card

Residential Condominium built in 1985 in Winchester, assessed at $61,726,200 for fiscal year 2026; last sold for $900,000 on October 20, 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

Location	171 U 65 Swanton St, Winchester MA 01890
Map and parcel ID	13-343:13-444 13-429
Use	Residential Condominium (use code 102)
Zoning	RA
County	Middlesex

Valuation — fiscal year 2026

Building	$61,325,500
Land	$0
Other	$400,700
Total assessed	$61,726,200

Building

Year built	1985
Style	CONDO-TNHS
Living area	1,830 ft²
Rooms	6
Stories	2

Last recorded sale

Price	$900,000
Date	October 20, 2025
Deed	Registry of Deeds book 84760, page 39

80 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment (first 60 shown).

Address	Account	Use	Assessed	Last sale
171 U 1 Swanton St	13-343	Residential Condominium	$885,900	$570,000 October 31, 2016
171 U 2 Swanton St	13-344	Residential Condominium	$809,900	$525,000 April 16, 2015
171 U 3 Swanton St	13-345	Residential Condominium	$815,400	nominal ($0) January 5, 2021
171 U 4 Swanton St	13-346	Residential Condominium	$773,300	nominal ($0) August 13, 2019
171 U 5 Swanton St	13-347	Residential Condominium	$876,800	$900,000 October 20, 2025
171 U 6 Swanton St	13-348	Residential Condominium	$718,400	nominal ($0) January 23, 2017
171 U 7 Swanton St	13-349	Residential Condominium	$761,500	$539,500 December 28, 2018
171 U 8 Swanton St	13-350	Residential Condominium	$712,800	$187,000 October 30, 1997
171 U 9 Swanton St	13-351	Residential Condominium	$711,400	$160,550 December 29, 1989
171 U 10 Swanton St	13-352	Residential Condominium	$710,200	$334,000 January 31, 2003
171 U 11 Swanton St	13-353	Residential Condominium	$678,500	$357,500 March 30, 2007
171 U 12 Swanton St	13-354	Residential Condominium	$679,700	$785,500 August 20, 2025
171 U 13 Swanton St	13-355	Residential Condominium	$692,700	$651,000 January 18, 2022
171 U 14 Swanton St	13-356	Residential Condominium	$784,500	$549,000 September 15, 2017
171 U 15 Swanton St	13-357	Residential Condominium	$834,000	$633,000 September 3, 2020
171 U 16 Swanton St	13-358	Residential Condominium	$711,900	$773,000 December 16, 2024
171 U 17 Swanton St	13-359	Residential Condominium	$711,900	$700,000 April 28, 2023
171 U 18 Swanton St	13-360	Residential Condominium	$705,400	$105,900 April 27, 1984
171 U 19 Swanton St	13-361	Residential Condominium	$679,200	$225,000 May 17, 1999
171 U 20 Swanton St	13-362	Residential Condominium	$711,200	$369,900 November 30, 2011
171 U 21 Swanton St	13-385	Residential Condominium	$812,400	$427,000 August 30, 2012
171 U 22 Swanton St	13-386	Residential Condominium	$812,400	nominal ($0) December 29, 2016
171 U 23 Swanton St	13-387	Residential Condominium	$806,200	nominal ($0) April 3, 2024
171 U 24 Swanton St	13-388	Residential Condominium	$889,900	$773,000 July 29, 2022
171 U 25 Swanton St	13-389	Residential Condominium	$788,600	$652,000 July 20, 2018
171 U 26 Swanton St	13-390	Residential Condominium	$812,400	$190,000 April 15, 1997
171 U 27 Swanton St	13-391	Residential Condominium	$732,200	$703,000 October 25, 2023
171 U 28 Swanton St	13-392	Residential Condominium	$716,300	$418,000 August 5, 2014
171 U 29 Swanton St	13-393	Residential Condominium	$769,100	$375,000 May 1, 2003
171 U 30 Swanton St	13-394	Residential Condominium	$752,400	nominal ($0) February 26, 2024
171 U 31 Swanton St	13-395	Residential Condominium	$711,200	nominal ($0) March 4, 2022
171 U 32 Swanton St	13-396	Residential Condominium	$711,200	$225,000 December 28, 1998
171 U 33 Swanton St	13-397	Residential Condominium	$677,600	$735,000 October 11, 2024
171 U 34 Swanton St	13-398	Residential Condominium	$797,000	$532,500 July 19, 2019
171 U 35 Swanton St	13-399	Residential Condominium	$711,200	$378,000 July 15, 2008
171 U 36 Swanton St	13-400	Residential Condominium	$729,900	nominal ($0) March 26, 2019
171 U 37 Swanton St	13-401	Residential Condominium	$677,900	$501,000 April 30, 2019
171 U 38 Swanton St	13-402	Residential Condominium	$711,200	nominal ($0) July 24, 2023
171 U 39 Swanton St	13-403	Residential Condominium	$821,800	$682,000 July 21, 2022
171 U 40 Swanton St	13-404	Residential Condominium	$812,400	nominal ($0) December 23, 2024
171 U 41 Swanton St	13-405	Residential Condominium	$828,100	$625,000 October 15, 2020
171 U 42 Swanton St	13-406	Residential Condominium	$812,400	nominal ($0) August 11, 2016
171 U 43 Swanton St	13-407	Residential Condominium	$812,400	$346,500 February 19, 2013
171 U 44 Swanton St	13-408	Residential Condominium	$812,400	$187,500 October 31, 1994
171 U 45 Swanton St	13-409	Residential Condominium	$815,000	$380,000 April 25, 2013
171 U 46 Swanton St	13-410	Residential Condominium	$815,000	nominal ($0) April 28, 2023
171 U 47 Swanton St	13-411	Residential Condominium	$812,400	nominal ($0) August 2, 2004
171 U 48 Swanton St	13-412	Residential Condominium	$851,600	nominal ($0) July 1, 2019
171 U 49 Swanton St	13-413	Residential Condominium	$690,500	$700,000 June 22, 2023
171 U 50 Swanton St	13-414	Residential Condominium	$722,100	$590,000 July 20, 2022
171 U 51 Swanton St	13-415	Residential Condominium	$686,100	nominal ($0) December 3, 2018
171 U 52 Swanton St	13-416	Residential Condominium	$688,500	nominal ($0) December 12, 2016
171 U 53 Swanton St	13-417	Residential Condominium	$686,800	nominal ($0) December 28, 2018
171 U 54 Swanton St	13-418	Residential Condominium	$740,800	$299,000 December 26, 2001
171 U 55 Swanton St	13-419	Residential Condominium	$653,000	$463,000 January 11, 2019
171 U 56 Swanton St	13-420	Residential Condominium	$725,400	nominal ($0) May 28, 2009
171 U 57 Swanton St	13-421	Residential Condominium	$841,900	$159,000 August 19, 1985
171 U 58 Swanton St	13-422	Residential Condominium	$812,200	nominal ($0) February 12, 2010
171 U 59 Swanton St	13-423	Residential Condominium	$802,100	nominal ($0) March 25, 2003
171 U 60 Swanton St	13-424	Residential Condominium	$810,100	$738,000 September 26, 2025

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): 0 active tier-classified 21E sites and 2 sites with an Activity and Use Limitation. All MassDEP sites in Winchester.

What this means

Assessed 3487% above the median residential condominium in Winchester ($1,720,900, 297 parcels).
The last sale price is 99% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.

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 171 U 65 Swanton 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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