91 Mystic Valley Pkwy, Winchester — property record card

Residential Condominium built in 1900 in Winchester, assessed at $2,259,500 for fiscal year 2026; last sold for $1,080,000 on January 8, 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	91 Mystic Valley Pkwy, Winchester MA 01890
Map and parcel ID	8-185/8-186 8-186
Use	Residential Condominium (use code 102)
Zoning	RDB
County	Middlesex

Valuation — fiscal year 2026

Building	$2,256,400
Land	$0
Other	$3,100
Total assessed	$2,259,500

Building

Year built	1900
Style	CONDO-TNHS
Living area	3,220 ft²
Rooms	10
Stories	2H

Last recorded sale

Price	$1,080,000
Date	January 8, 2025
Deed	Registry of Deeds book 83660, page 188

2 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
89 Mystic Valley Pkwy	8-185	Residential Condominium	$1,076,300	$1,080,000 January 8, 2025
91 Mystic Valley Pkwy	8-186	Residential Condominium	$1,183,200	$538,000 October 30, 2007

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 31% above the median residential condominium in Winchester ($1,720,900, 297 parcels).
The last sale price is 52% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
Built before 1978: the Massachusetts Lead Law applies when a child under six lives there; ask for any lead inspection or letter of compliance.

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 91 Mystic Valley Pkwy

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.

$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)

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