109-C Crystal Brook Way, Marlborough — property record card
Residential Condominium built in 1991 in Marlborough, assessed at $30,642,200 for fiscal year 2025; last sold for $415,000 on December 27, 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 | 109-C Crystal Brook Way, Marlborough MA 01752 |
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| Map and parcel ID | 58-75 58_75_M_71 |
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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 | $30,398,700 |
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| Land | $0 |
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| Other | $243,500 |
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| Total assessed | $30,642,200 |
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Building
| Year built | 1991 |
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| Style | Condominium |
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| Living area | 1,428 ft² |
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| Units | 77 |
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Last recorded sale
| Price | $415,000 |
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| Date | December 27, 2024 |
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| Deed | Registry of Deeds book 83629, page 226 |
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77 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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| 26-109 -a Crystal Brook Way | 58_75_CM | Other, Open Space | $0 | |
| 26-A Crystal Brook Way | 58_75_G_18 | Residential Condominium | $397,200 | $316,000 August 31, 2021 |
| 26-B Crystal Brook Way | 58_75_G_16 | Residential Condominium | $398,100 | nominal ($0) November 7, 2019 |
| 26-C Crystal Brook Way | 58_75_G_14 | Residential Condominium | $398,200 | nominal ($0) September 24, 2012 |
| 26-D Crystal Brook Way | 58_75_G_12 | Residential Condominium | $398,200 | $131,900 February 28, 1991 |
| 26-E Crystal Brook Way | 58_75_G_10 | Residential Condominium | $400,200 | $355,000 October 15, 2021 |
| 26-F Crystal Brook Way | 58_75_G_8 | Residential Condominium | $403,200 | nominal ($100) February 3, 2022 |
| 26-G Crystal Brook Way | 58_75_G_6 | Residential Condominium | $398,200 | $235,000 August 21, 2009 |
| 26-H Crystal Brook Way | 58_75_G_4 | Residential Condominium | $398,200 | $241,500 October 15, 2014 |
| 26-I Crystal Brook Way | 58_75_G_2 | Residential Condominium | $417,400 | $315,000 December 3, 2020 |
| 29-A Crystal Brook Way | 58_75_A_1 | Residential Condominium | $416,200 | $291,000 February 17, 2017 |
| 29-B Crystal Brook Way | 58_75_A_3 | Residential Condominium | $416,700 | $260,000 March 28, 2008 |
| 29-C Crystal Brook Way | 58_75_A_5 | Residential Condominium | $416,100 | $289,900 November 15, 2017 |
| 29-D Crystal Brook Way | 58_75_A_7 | Residential Condominium | $408,700 | nominal ($0) February 25, 2019 |
| 29-E Crystal Brook Way | 58_75_A_9 | Residential Condominium | $409,500 | $310,000 July 28, 2020 |
| 29-F Crystal Brook Way | 58_75_A_11 | Residential Condominium | $416,100 | nominal ($0) May 17, 2004 |
| 29-G Crystal Brook Way | 58_75_A_13 | Residential Condominium | $416,100 | $253,000 December 11, 2009 |
| 29-H Crystal Brook Way | 58_75_A_15 | Residential Condominium | $436,400 | $300,000 November 2, 2018 |
| 40-A Crystal Brook Way | 58_75_F_20 | Residential Condominium | $435,900 | nominal ($0) November 10, 2017 |
| 40-B Crystal Brook Way | 58_75_F_22 | Residential Condominium | $415,900 | $435,000 July 13, 2023 |
| 40-C Crystal Brook Way | 58_75_F_24 | Residential Condominium | $415,900 | nominal ($1) April 22, 2024 |
| 40-D Crystal Brook Way | 58_75_F_26 | Residential Condominium | $403,400 | nominal ($0) September 22, 2008 |
| 47-A Crystal Brook Way | 58_75_B_17 | Residential Condominium | $416,100 | nominal ($100) January 31, 2024 |
| 47-B Crystal Brook Way | 58_75_B_19 | Residential Condominium | $416,100 | nominal ($0) March 30, 2009 |
| 47-C Crystal Brook Way | 58_75_B_21 | Residential Condominium | $416,100 | nominal ($0) March 21, 2016 |
| 47-D Crystal Brook Way | 58_75_B_23 | Residential Condominium | $409,400 | $223,000 September 27, 2001 |
| 47-E Crystal Brook Way | 58_75_B_25 | Residential Condominium | $401,500 | $7,000 September 8, 2005 |
| 47-F Crystal Brook Way | 58_75_B_27 | Residential Condominium | $401,600 | nominal ($1) January 7, 2022 |
| 47-G Crystal Brook Way | 58_75_B_29 | Residential Condominium | $409,800 | $300,000 December 20, 2019 |
| 47-H Crystal Brook Way | 58_75_B_31 | Residential Condominium | $416,100 | $195,000 February 24, 2012 |
| 55-A Crystal Brook Way | 58_75_C_33 | Residential Condominium | $416,100 | $235,000 April 29, 2016 |
| 55-B Crystal Brook Way | 58_75_C_35 | Residential Condominium | $409,500 | $244,500 July 7, 2011 |
| 55-C Crystal Brook Way | 58_75_C_37 | Residential Condominium | $409,900 | $310,000 February 25, 2021 |
| 55-D Crystal Brook Way | 58_75_C_39 | Residential Condominium | $436,700 | $351,000 May 4, 2021 |
| 55-E Crystal Brook Way | 58_75_C_41 | Residential Condominium | $416,100 | $450,000 June 29, 2023 |
| 55-F Crystal Brook Way | 58_75_C_43 | Residential Condominium | $416,100 | $270,000 June 20, 2013 |
| 64-A Crystal Brook Way | 58_75_E_28 | Residential Condominium | $399,000 | $388,000 December 28, 2023 |
| 64-B Crystal Brook Way | 58_75_E_30 | Residential Condominium | $416,400 | nominal ($10) February 25, 2022 |
| 64-C Crystal Brook Way | 58_75_E_32 | Residential Condominium | $271,500 | $85,175 September 28, 1994 |
| 64-D Crystal Brook Way | 58_75_E_34 | Residential Condominium | $271,500 | $221,160 April 7, 2005 |
| 64-E Crystal Brook Way | 58_75_E_36 | Residential Condominium | $436,000 | $300,000 September 25, 2018 |
| 64-F Crystal Brook Way | 58_75_E_38 | Residential Condominium | $421,000 | $184,900 March 23, 2000 |
| 64-G Crystal Brook Way | 58_75_E_40 | Residential Condominium | $416,000 | nominal ($0) March 11, 2016 |
| 67-A Crystal Brook Way | 58_75_D_45 | Residential Condominium | $417,900 | $309,000 December 18, 2020 |
| 67-B Crystal Brook Way | 58_75_D_47 | Residential Condominium | $400,900 | $122,900 May 20, 1994 |
| 67-C Crystal Brook Way | 58_75_D_49 | Residential Condominium | $420,200 | $122,900 June 13, 1994 |
| 67-D Crystal Brook Way | 58_75_D_51 | Residential Condominium | $429,200 | $349,000 January 20, 2022 |
| 67-E Crystal Brook Way | 58_75_D_53 | Residential Condominium | $416,200 | nominal ($0) December 9, 2020 |
| 67-F Crystal Brook Way | 58_75_D_55 | Residential Condominium | $436,200 | $327,500 May 7, 2021 |
| 67-G Crystal Brook Way | 58_75_D_57 | Residential Condominium | $416,200 | $112,000 March 26, 1997 |
| 84-A Crystal Brook Way | 58_75_H_42 | Residential Condominium | $421,200 | nominal ($0) March 8, 2011 |
| 84-B Crystal Brook Way | 58_75_H_44 | Residential Condominium | $271,500 | $134,900 August 29, 2001 |
| 84-C Crystal Brook Way | 58_75_H_46 | Residential Condominium | $271,500 | $123,384 November 30, 1999 |
| 84-D Crystal Brook Way | 58_75_H_48 | Residential Condominium | $402,700 | $299,000 July 19, 2019 |
| 84-E Crystal Brook Way | 58_75_H_50 | Residential Condominium | $405,000 | nominal ($0) April 22, 2015 |
| 84-F Crystal Brook Way | 58_75_H_52 | Residential Condominium | $424,400 | $162,000 July 23, 1999 |
| 84-G Crystal Brook Way | 58_75_H_54 | Residential Condominium | $405,200 | $310,000 July 29, 2005 |
| 94-A Crystal Brook Way | 58_75_J_56 | Residential Condominium | $404,700 | $425,000 June 21, 2024 |
| 94-B Crystal Brook Way | 58_75_J_58 | Residential Condominium | $404,500 | $119,900 February 4, 1994 |
| 94-C Crystal Brook Way | 58_75_J_60 | Residential Condominium | $398,000 | $380,000 July 14, 2022 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 2151% above the median residential condominium in Marlborough ($1,361,350, 128 parcels).
- The last sale price is 99% 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: 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 109-C Crystal Brook Way
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)
Order the report