159 Swanson Road, Boxborough — property record card

Research and Development facilities built in 1984 on 11.56 acres in Boxborough, assessed at $9,931,500 for fiscal year 2027; last sold for $9,675,000 on November 23, 2016.

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

Parcel

Location	159 Swanson Road, Boxborough MA 01719
Map and parcel ID	08-011-000
Use	Research and Development facilities (use code 404)
Zoning	OP
County	Middlesex

Valuation — fiscal year 2027

Building	$8,036,600
Land	$1,625,300
Other	$269,600
Total assessed	$9,931,500

Land

Lot size	11.56 acres (503,554 ft²)

Building

Year built	1984
Style	R+D
Living area	102,793 ft²
Stories	2

Last recorded sale

Price	$9,675,000
Date	November 23, 2016
Deed	Registry of Deeds book 68467, page 294

What MassDEP has recorded

RTN 2-0022386 — Building, tier classified (active), status TIERI · MassDEP file

Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 0 sites with an Activity and Use Limitation. All MassDEP sites in Boxborough.

What this means

A tier-classified site is a release still being cleaned up under the Massachusetts Contingency Plan; the MassDEP file shows the stage reached.

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

Data: Boxborough assessor file for fiscal year 2027, 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 159 Swanson Road

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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