45 Boston Post Rd East #4, Marlborough — property record card
Residential Condominium built in 1968 in Marlborough, assessed at $2,742,300 for fiscal year 2025; last sold for $299,900 on May 10, 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 | 45 Boston Post Rd East #4, Marlborough MA 01752 |
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| Map and parcel ID | 58-61A 58_61A_1_4 |
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| Use | Residential Condominium (use code 1020) |
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| County | Middlesex |
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Valuation — fiscal year 2025
| Building | $2,742,300 |
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| Land | $0 |
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| Total assessed | $2,742,300 |
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Building
| Year built | 1968 |
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| Style | Condominium |
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| Living area | 870 ft² |
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| Units | 13 |
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Last recorded sale
| Price | $299,900 |
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| Date | May 10, 2024 |
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| Deed | Registry of Deeds book 82760, page 0155 |
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13 assessor accounts on this parcel
Condominium units or several buildings share one parcel; each has its own assessment.
| Address | Account | Use | Assessed | Last sale |
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| 45 Boston Post Rd East #1 | 58_61A_1_1 | Residential Condominium | $233,400 | $152,000 December 5, 2017 |
| 45 Boston Post Rd East #2 | 58_61A_1_2 | Residential Condominium | $236,700 | $185,000 November 23, 2020 |
| 45 Boston Post Rd East #3 | 58_61A_1_3 | Residential Condominium | $236,700 | $165,000 June 2, 2006 |
| 45 Boston Post Rd East #4 | 58_61A_1_4 | Residential Condominium | $292,700 | $185,000 January 11, 2019 |
| 45 Boston Post Rd East #5 | 58_61A_1_5 | Residential Condominium | $236,700 | $150,000 December 18, 2002 |
| 45 Boston Post Rd East #6 | 58_61A_1_6 | Residential Condominium | $264,100 | $46,900 February 27, 1984 |
| 45 Boston Post Rd East #7 | 58_61A_1_7 | Residential Condominium | $236,700 | $299,900 May 10, 2024 |
| 45 Boston Post Rd East #8 | 58_61A_1_8 | Residential Condominium | $233,400 | $71,000 June 7, 2010 |
| 45 Boston Post Rd East #9 | 58_61A_1_9 | Residential Condominium | $187,400 | $85,000 March 1, 2017 |
| 45 Boston Post Rd East #10 | 58_61A_1_10 | Residential Condominium | $187,700 | nominal ($1) March 7, 2024 |
| 45 Boston Post Rd East #11 | 58_61A_1_11 | Residential Condominium | $187,700 | $60,500 June 30, 2010 |
| 45 Boston Post Rd East #12 | 58_61A_1_12 | Residential Condominium | $209,100 | nominal ($1) March 7, 2024 |
| 45-45 Boston Post Rd East | 58_61A_1_23 | Other, Open Space | $0 | |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 101% above the median residential condominium in Marlborough ($1,361,350, 128 parcels).
- The last sale price is 89% 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.

The report for 45 Boston Post Rd East #4
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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