20 Gibbs St 3 & Gar L & A, Brookline — property record card
Residential Condominium built in 1920 in Brookline, assessed at $25,453,800 for fiscal year 2027; last sold for $1,050,000 on November 25, 2025.
Rebuilt from the Brookline assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Brookline assessor’s office.
Parcel
| Location | 20 Gibbs St 3 & Gar L & A, Brookline MA 02446 |
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| Map and parcel ID | 051-22-00 051-22-12 |
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| Use | Residential Condominium (use code 102) |
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| County | Norfolk |
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Valuation — fiscal year 2027
| Building | $25,453,800 |
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| Land | $0 |
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| Total assessed | $25,453,800 |
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Building
| Year built | 1920 |
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| Style | LOW RISE CONDO |
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| Living area | 1,696 ft² |
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| Rooms | 7 |
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| Stories | 1 |
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Last recorded sale
| Price | $1,050,000 |
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| Date | November 25, 2025 |
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27 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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| 12 Gibbs St 1 | 051-22-01 | Residential Condominium | $1,058,900 | $845,000 December 6, 2016 |
| 12 Gibbs St 2 & Gar C | 051-22-02 | Residential Condominium | $1,011,400 | $1,050,000 November 25, 2025 |
| 12 Gibbs St 3 & Gar G | 051-22-03 | Residential Condominium | $1,296,100 | $1,170,000 November 3, 2023 |
| 12 Gibbs St B & Prk 1 | 051-22-26 | Residential Condominium | $896,800 | $689,000 June 30, 2015 |
| 14 Gibbs St 1 & P9 | 051-22-04 | Residential Condominium | $1,017,100 | $152,000 September 19, 1991 |
| 14 Gibbs St 2 & Prk 2 | 051-22-05 | Residential Condominium | $1,136,300 | $237,000 December 14, 1992 |
| 14 Gibbs St 3 & Gar H | 051-22-06 | Residential Condominium | $1,197,400 | $635,000 January 27, 2006 |
| 14 Gibbs St Pk Sp | 051-22-28 | Condominium | $52,500 | $55,000 January 22, 2019 |
| 18 Gibbs St 1 & P-11 | 051-22-07 | Residential Condominium | $1,071,000 | $1,150,000 December 15, 2022 |
| 18 Gibbs St 2 & Gar K | 051-22-08 | Residential Condominium | $1,253,700 | $1,305,000 May 18, 2021 |
| 18 Gibbs St 3 Gar E J | 051-22-09 | Residential Condominium | $1,354,500 | $1,475,000 January 13, 2022 |
| 20 Gibbs St 1 | 051-22-10 | Residential Condominium | $1,234,900 | nominal ($1) September 19, 2022 |
| 20 Gibbs St 2 G-f P-15 | 051-22-11 | Residential Condominium | $1,320,000 | $220,000 March 25, 1997 |
| 20 Gibbs St 3 & Gar L & A | 051-22-12 | Residential Condominium | $1,359,200 | $1,140,000 August 30, 2016 |
| 26 Gibbs St 1 G-b P-10 | 051-22-13 | Residential Condominium | $956,100 | $182,000 April 22, 1997 |
| 26 Gibbs St 2 | 051-22-14 | Residential Condominium | $799,200 | nominal ($1) October 23, 2025 |
| 26 Gibbs St 3 & P5 | 051-22-15 | Residential Condominium | $850,700 | $540,000 April 24, 2014 |
| 26 Gibbs St 4 G-i Pk 4 | 051-22-16 | Residential Condominium | $1,019,700 | $1,200,000 December 2, 2022 |
| 26 Gibbs St 5 & Prk P | 051-22-17 | Residential Condominium | $858,500 | nominal ($1) June 7, 2016 |
| 26 Gibbs St 6 & Prk 6 | 051-22-18 | Residential Condominium | $856,300 | $179,000 May 24, 1996 |
| 30 Gibbs St 1 & Pk-m | 051-22-19 | Residential Condominium | $689,900 | nominal ($1) October 21, 2016 |
| 30 Gibbs St 2 & Prk 16 | 051-22-20 | Residential Condominium | $747,800 | nominal ($1) November 9, 2017 |
| 30 Gibbs St 3 & Prk 14 | 051-22-21 | Residential Condominium | $806,500 | nominal ($100) April 29, 1999 |
| 30 Gibbs St 4 & Prk N | 051-22-22 | Residential Condominium | $868,300 | $443,000 May 13, 2011 |
| 30 Gibbs St 5 & P18 | 051-22-23 | Residential Condominium | $820,200 | $445,000 August 13, 2007 |
| 30 Gibbs St 6 & Prk O | 051-22-24 | Residential Condominium | $868,300 | $504,500 June 1, 2009 |
| 30 Gibbs St P4 | 051-22-27 | Condominium | $52,500 | $41,000 January 15, 2019 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 587% above the median residential condominium in Brookline ($3,706,500, 1,424 parcels).
- The last sale price is 96% 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: Brookline 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.

The report for 20 Gibbs St 3 & Gar L & A
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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