688 Boston Post Rd East #109, Marlborough — property record card

Residential Condominium built in 1971 in Marlborough, assessed at $14,890,200 for fiscal year 2025; last sold for $225,000 on June 12, 2024.

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

Parcel

Location	688 Boston Post Rd East #109, Marlborough MA 01752
Map and parcel ID	61-5 61_5_1_109
Use	Residential Condominium (use code 1020)
County	Middlesex

Valuation — fiscal year 2025

Building	$14,890,200
Land	$0
Total assessed	$14,890,200

Building

Year built	1971
Style	Condominium
Living area	905 ft²
Units	62

Last recorded sale

Price	$225,000
Date	June 12, 2024
Deed	Registry of Deeds book 82876, page 0069

62 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
688 Boston Post Rd East #100	61_5_1_100	Residential Condominium	$147,200	nominal ($0) September 29, 2008
688 Boston Post Rd East #101	61_5_1_101	Residential Condominium	$237,600	$75,000 July 19, 2012
688 Boston Post Rd East #102	61_5_1_102	Residential Condominium	$205,300	$225,000 June 12, 2024
688 Boston Post Rd East #103	61_5_1_103	Residential Condominium	$241,700	$71,000 June 15, 2011
688 Boston Post Rd East #104	61_5_1_104	Residential Condominium	$241,900	$82,350 February 23, 2010
688 Boston Post Rd East #105	61_5_1_105	Residential Condominium	$237,900	$176,000 July 3, 2018
688 Boston Post Rd East #106	61_5_1_106	Residential Condominium	$236,900	nominal ($0) January 12, 2018
688 Boston Post Rd East #108	61_5_1_108	Residential Condominium	$236,900	$140,000 December 5, 2017
688 Boston Post Rd East #109	61_5_1_109	Residential Condominium	$293,400	$175,000 May 25, 2018
688 Boston Post Rd East #110	61_5_1_110	Residential Condominium	$269,500	$127,900 May 29, 2015
688 Boston Post Rd East #120	61_5_1_120	Residential Condominium	$236,600	$135,000 October 29, 2015
688 Boston Post Rd East #121	61_5_1_121	Residential Condominium	$243,900	$177,000 June 1, 2005
688 Boston Post Rd East #122	61_5_1_122	Residential Condominium	$243,400	nominal ($10) November 30, 2022
688 Boston Post Rd East #123	61_5_1_123	Residential Condominium	$271,000	$200,000 March 24, 2023
688 Boston Post Rd East #124	61_5_1_124	Residential Condominium	$242,800	$64,900 December 31, 1985
688 Boston Post Rd East #125	61_5_1_125	Residential Condominium	$242,500	$162,900 April 6, 2004
688 Boston Post Rd East #126	61_5_1_126	Residential Condominium	$236,000	nominal ($0) November 6, 2012
688 Boston Post Rd East #127	61_5_1_127	Residential Condominium	$262,100	$177,000 March 8, 2019
688 Boston Post Rd East #128	61_5_1_128	Residential Condominium	$235,700	nominal ($10) May 21, 2024
688 Boston Post Rd East #200	61_5_1_200	Residential Condominium	$263,400	$161,000 July 6, 2017
688 Boston Post Rd East #201	61_5_1_201	Residential Condominium	$237,400	$160,000 July 2, 2004
688 Boston Post Rd East #202	61_5_1_202	Residential Condominium	$205,000	nominal ($0) September 29, 2008
688 Boston Post Rd East #203	61_5_1_203	Residential Condominium	$275,300	$175,000 June 18, 2018
688 Boston Post Rd East #204	61_5_1_204	Residential Condominium	$246,800	$125,730 September 18, 2015
688 Boston Post Rd East #205	61_5_1_205	Residential Condominium	$244,000	$185,000 October 5, 2018
688 Boston Post Rd East #206	61_5_1_206	Residential Condominium	$243,900	$73,000 March 9, 2009
688 Boston Post Rd East #207	61_5_1_207	Residential Condominium	$270,600	$120,000 October 3, 2014
688 Boston Post Rd East #208	61_5_1_208	Residential Condominium	$243,800	$130,000 October 16, 2002
688 Boston Post Rd East #209	61_5_1_209	Residential Condominium	$247,300	nominal ($0) September 20, 2021
688 Boston Post Rd East #210	61_5_1_210	Residential Condominium	$267,300	$181,000 July 20, 2018
688 Boston Post Rd East #211	61_5_1_211	Residential Condominium	$238,000	$155,000 May 30, 2018
688 Boston Post Rd East #220	61_5_1_220	Residential Condominium	$242,500	$85,000 February 13, 2009
688 Boston Post Rd East #221	61_5_1_221	Residential Condominium	$243,700	nominal ($0) April 30, 2019
688 Boston Post Rd East #222	61_5_1_222	Residential Condominium	$244,000	$132,900 July 17, 2002
688 Boston Post Rd East #223	61_5_1_223	Residential Condominium	$244,600	$172,000 September 20, 2018
688 Boston Post Rd East #224	61_5_1_224	Residential Condominium	$243,300	nominal ($0) May 15, 2006
688 Boston Post Rd East #225	61_5_1_225	Residential Condominium	$243,900	$173,900 September 9, 2004
688 Boston Post Rd East #226	61_5_1_226	Residential Condominium	$242,700	$195,000 June 24, 2021
688 Boston Post Rd East #227	61_5_1_227	Residential Condominium	$243,600	$10,000 November 18, 2009
688 Boston Post Rd East #228	61_5_1_228	Residential Condominium	$269,000	$190,000 May 31, 2019
688 Boston Post Rd East #300	61_5_1_300	Residential Condominium	$239,200	nominal ($0) September 23, 2016
688 Boston Post Rd East #301	61_5_1_301	Residential Condominium	$263,200	$166,000 October 30, 2017
688 Boston Post Rd East #302	61_5_1_302	Residential Condominium	$205,400	$24,000 November 5, 1996
688 Boston Post Rd East #303	61_5_1_303	Residential Condominium	$247,600	$260,000 September 15, 2023
688 Boston Post Rd East #304	61_5_1_304	Residential Condominium	$247,800	nominal ($0) September 29, 2008
688 Boston Post Rd East #305	61_5_1_305	Residential Condominium	$244,000	$225,000 October 5, 2021
688 Boston Post Rd East #306	61_5_1_306	Residential Condominium	$243,700	$190,000 August 14, 2020
688 Boston Post Rd East #307	61_5_1_307	Residential Condominium	$243,400	nominal ($0) December 28, 2018
688 Boston Post Rd East #308	61_5_1_308	Residential Condominium	$243,800	nominal ($0) March 21, 2012
688 Boston Post Rd East #309	61_5_1_309	Residential Condominium	$247,500	$31,000 February 18, 2015
688 Boston Post Rd East #310	61_5_1_310	Residential Condominium	$247,700	$189,000 December 1, 2020
688 Boston Post Rd East #311	61_5_1_311	Residential Condominium	$213,900	$155,000 November 25, 2005
688 Boston Post Rd East #320	61_5_1_320	Residential Condominium	$242,900	$249,000 October 17, 2023
688 Boston Post Rd East #321	61_5_1_321	Residential Condominium	$244,300	$184,000 December 11, 2018
688 Boston Post Rd East #322	61_5_1_322	Residential Condominium	$244,300	$25,500 February 28, 1994
688 Boston Post Rd East #323	61_5_1_323	Residential Condominium	$243,700	$169,750 June 27, 2007
688 Boston Post Rd East #324	61_5_1_324	Residential Condominium	$243,300	$83,000 September 26, 2011
688 Boston Post Rd East #325	61_5_1_325	Residential Condominium	$243,400	$80,000 June 12, 2009
688 Boston Post Rd East #326	61_5_1_326	Residential Condominium	$244,100	$150,000 September 1, 2017
688 Boston Post Rd East #327	61_5_1_327	Residential Condominium	$271,700	$137,000 June 24, 2002

What MassDEP has recorded

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

What this means

Assessed 994% above the median residential condominium in Marlborough ($1,361,350, 128 parcels).
The last sale price is 98% 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: Marlborough assessor file for fiscal year 2025, 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 688 Boston Post Rd East #109

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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