41 Treetop Park, Westborough — property record card
Residential Condominium built in 1984 in Westborough, assessed at $27,614,500 for fiscal year 2026; last sold for $446,000 on June 3, 2026.
Rebuilt from the Westborough assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Westborough assessor’s office.
Parcel
| Location | 41 Treetop Park, Westborough MA 01581 |
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| Map and parcel ID | 27-70-0 27-70-11A |
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| Use | Residential Condominium (use code 102) |
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| County | Worcester |
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Valuation — fiscal year 2026
| Building | $27,614,500 |
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| Land | $0 |
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| Total assessed | $27,614,500 |
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Building
| Year built | 1984 |
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| Style | CONDO-TNHS |
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| Living area | 1,284 ft² |
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| Rooms | 5 |
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| Stories | 2 |
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Last recorded sale
| Price | $446,000 |
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| Date | June 3, 2026 |
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| Deed | Registry of Deeds book 73671, page 345 |
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61 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 |
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| 1 Treetop Park | 27-70-1A | Residential Condominium | $492,100 | $435,500 July 22, 2022 |
| 2 Treetop Park | 27-70-1B | Residential Condominium | $490,800 | $335,000 June 6, 2018 |
| 3 Treetop Park | 27-70-1C | Residential Condominium | $479,200 | $262,750 August 15, 2003 |
| 4 Treetop Park | 27-70-1D | Residential Condominium | $484,000 | $275,000 November 14, 2008 |
| 5 Treetop Park | 27-70-2A | Residential Condominium | $477,600 | $280,000 March 19, 2018 |
| 6 Treetop Park | 27-70-2B | Residential Condominium | $497,900 | $545,000 June 24, 2025 |
| 7 Treetop Park | 27-70-2C | Residential Condominium | $493,100 | $500,000 September 27, 2023 |
| 8 Treetop Park | 27-70-2D | Residential Condominium | $449,800 | $297,500 December 10, 2019 |
| 9 Treetop Park | 27-70-3A | Residential Condominium | $419,300 | $420,000 December 10, 2025 |
| 10 Treetop Park | 27-70-3B | Residential Condominium | $446,200 | nominal ($1) December 18, 2019 |
| 11 Treetop Park | 27-70-3C | Residential Condominium | $397,500 | nominal ($100) December 12, 2025 |
| 12 Treetop Park | 27-70-3D | Residential Condominium | $432,100 | $311,000 April 12, 2019 |
| 13 Treetop Park | 27-70-4A | Residential Condominium | $465,400 | $173,000 August 23, 2000 |
| 14 Treetop Park | 27-70-4B | Residential Condominium | $443,500 | $283,000 November 2, 2016 |
| 15 Treetop Park | 27-70-4C | Residential Condominium | $417,500 | $250,000 September 20, 2002 |
| 16 Treetop Park | 27-70-4D | Residential Condominium | $417,400 | nominal ($10) November 10, 2025 |
| 17 Treetop Park | 27-70-5A | Residential Condominium | $458,800 | $275,000 April 29, 2016 |
| 18 Treetop Park | 27-70-5B | Residential Condominium | $472,100 | nominal ($1) October 16, 2019 |
| 19 Treetop Park | 27-70-5C | Residential Condominium | $438,900 | $445,000 February 27, 2026 |
| 20 Treetop Park | 27-70-5D | Residential Condominium | $450,600 | $395,000 November 18, 2021 |
| 21 Treetop Park | 27-70-6A | Residential Condominium | $469,400 | $305,000 August 26, 2016 |
| 22 Treetop Park | 27-70-6B | Residential Condominium | $412,000 | $415,000 January 14, 2026 |
| 23 Treetop Park | 27-70-6C | Residential Condominium | $401,300 | $144,000 October 1, 1998 |
| 24 Treetop Park | 27-70-6D | Residential Condominium | $489,700 | $282,500 January 19, 2010 |
| 25 Treetop Park | 27-70-7A | Residential Condominium | $517,300 | $330,000 August 22, 2019 |
| 26 Treetop Park | 27-70-7B | Residential Condominium | $382,700 | $83,900 January 1, 1984 |
| 27 Treetop Park | 27-70-7C | Residential Condominium | $470,900 | $485,900 August 12, 2024 |
| 28 Treetop Park | 27-70-7D | Residential Condominium | $439,300 | $231,500 March 26, 2002 |
| 29 Treetop Park | 27-70-8A | Residential Condominium | $461,300 | nominal ($100) September 28, 2022 |
| 30 Treetop Park | 27-70-8B | Residential Condominium | $477,900 | $278,000 March 17, 2017 |
| 31 Treetop Park | 27-70-8C | Residential Condominium | $487,800 | $314,000 April 27, 2017 |
| 32 Treetop Park | 27-70-8D | Residential Condominium | $446,400 | nominal ($100) May 30, 2023 |
| 33 Treetop Park | 27-70-9A | Residential Condominium | $434,700 | $480,000 May 16, 2023 |
| 34 Treetop Park | 27-70-9B | Residential Condominium | $439,900 | $446,000 June 3, 2026 |
| 35 Treetop Park | 27-70-9C | Residential Condominium | $454,100 | $292,500 October 14, 2020 |
| 36 Treetop Park | 27-70-9D | Residential Condominium | $480,200 | $290,000 April 13, 2018 |
| 37 Treetop Park | 27-70-10A | Residential Condominium | $475,500 | nominal ($1) June 30, 2022 |
| 38 Treetop Park | 27-70-10B | Residential Condominium | $495,100 | $300,000 October 10, 2006 |
| 39 Treetop Park | 27-70-10C | Residential Condominium | $505,800 | $340,000 December 1, 2017 |
| 40 Treetop Park | 27-70-10D | Residential Condominium | $477,100 | $480,000 July 31, 2023 |
| 41 Treetop Park | 27-70-11A | Residential Condominium | $528,000 | $300,000 July 19, 2004 |
| 42 Treetop Park | 27-70-11B | Residential Condominium | $505,900 | $409,000 December 17, 2021 |
| 43 Treetop Park | 27-70-11C | Residential Condominium | $435,900 | $380,000 September 3, 2021 |
| 44 Treetop Park | 27-70-11D | Residential Condominium | $479,000 | $148,000 July 15, 1986 |
| 45 Treetop Park | 27-70-12A | Residential Condominium | $478,800 | $270,000 May 1, 2025 |
| 46 Treetop Park | 27-70-12B | Residential Condominium | $489,000 | nominal ($100) March 6, 2023 |
| 47 Treetop Park | 27-70-12C | Residential Condominium | $471,100 | $153,000 December 17, 1987 |
| 48 Treetop Park | 27-70-12D | Residential Condominium | $441,400 | nominal ($1) April 17, 2024 |
| 49 Treetop Park | 27-70-13A | Residential Condominium | $486,800 | nominal ($100) September 1, 2005 |
| 50 Treetop Park | 27-70-13B | Residential Condominium | $518,600 | $325,000 August 9, 2019 |
| 51 Treetop Park | 27-70-13C | Residential Condominium | $477,700 | nominal ($100) June 8, 2020 |
| 52 Treetop Park | 27-70-13D | Residential Condominium | $439,700 | $444,444 December 15, 2025 |
| 53 Treetop Park | 27-70-14A | Residential Condominium | $430,500 | $290,000 March 29, 2019 |
| 54 Treetop Park | 27-70-14B | Residential Condominium | $454,300 | $198,000 July 16, 2021 |
| 55 Treetop Park | 27-70-14C | Residential Condominium | $412,300 | nominal ($100) December 19, 2024 |
| 56 Treetop Park | 27-70-14D | Residential Condominium | $425,300 | $287,000 July 30, 2004 |
| 57 Treetop Park | 27-70-15A | Residential Condominium | $426,900 | $289,900 March 8, 2018 |
| 58 Treetop Park | 27-70-15B | Residential Condominium | $462,100 | nominal ($1) November 10, 2017 |
| 59 Treetop Park | 27-70-15C | Residential Condominium | $418,600 | $255,000 March 20, 2008 |
| 60 Treetop Park | 27-70-15D | Residential Condominium | $490,400 | $287,500 December 31, 2004 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 1249% above the median residential condominium in Westborough ($2,046,450, 36 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.
Point at the centre of the assessor parcel — not a survey.
Data: Westborough 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.

The report for 41 Treetop Park
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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