Property Record Card Massachusetts

20 Boylston St CS1, Brookline — property record card

RTL-CONDO built in 2020 in Brookline, assessed at $23,597,600 for fiscal year 2027; last sold for $125,000 on June 30, 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

Location20 Boylston St CS1, Brookline MA 02445
Map and parcel ID318-41-45 318-45-01
UseRTL-CONDO (use code 329)
ZoningG20
CountyNorfolk

Valuation — fiscal year 2027

Building$23,597,600
Land$0
Total assessed$23,597,600

Building

Year built2020
StyleRTL-CONDO
Living area3,286 ft²
Stories1
Units23

Last recorded sale

Price$125,000
DateJune 30, 2025
DeedRegistry of Deeds book 42496, page 446

23 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment.

AddressAccountUseAssessedLast sale
20 Boylston St 1 & G11-G13318-45-03Residential Condominium$1,329,800$1,199,000
August 12, 2022
20 Boylston St 2 & G2-G3318-45-04Residential Condominium$1,412,900$1,550,000
August 16, 2022
20 Boylston St 3 & G12318-45-05Residential Condominium$1,085,900$875,000
July 19, 2022
20 Boylston St 4 & G16318-45-06Residential Condominium$1,479,700$1,250,000
November 21, 2022
20 Boylston St 5 & G17318-45-07Residential Condominium$1,370,800$1,200,000
November 21, 2022
20 Boylston St 6318-45-08Residential Condominium$1,150,100$1,225,000
July 21, 2022
20 Boylston St 7 & G1318-45-09Residential Condominium$1,323,100$1,260,000
May 8, 2023
20 Boylston St 8 & G14318-45-10Residential Condominium$996,000$895,000
July 22, 2022
20 Boylston St 9 & G19-G20318-45-11Residential Condominium$1,569,600$1,517,500
June 6, 2023
20 Boylston St 10 & G22318-45-12Residential Condominium$1,370,800$1,315,000
January 13, 2025
20 Boylston St 11 & G4318-45-13Residential Condominium$1,377,600$1,475,000
June 9, 2023
20 Boylston St 12 & G5318-45-14Residential Condominium$1,404,800$1,600,000
July 15, 2022
20 Boylston St 14 & G24 G25318-45-15Residential Condominium$1,742,500$1,750,000
July 14, 2023
20 Boylston St 15 & G21318-45-16Residential Condominium$1,520,600$1,589,000
June 20, 2023
20 Boylston St CS1318-45-01RTL-CONDO$2,978,100
20 Boylston St CS2318-45-02OFC-CONDO$669,900
20 Boylston St G6318-45-17Condominium$98,800$100,000
January 20, 2023
20 Boylston St G7318-45-18Condominium$106,200
20 Boylston St G8318-45-23Condominium$108,400$105,000
April 9, 2025
20 Boylston St G9-10318-45-21Condominium$197,500$200,000
March 1, 2024
20 Boylston St G15318-45-19Condominium$97,300$100,000
February 2, 2024
20 Boylston St G18318-45-20Condominium$98,800$100,000
November 17, 2023
20 Boylston St G23318-45-22Condominium$108,400$125,000
June 30, 2025

What MassDEP has recorded

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

Within about 500 m (a third of a mile): 2 active tier-classified 21E sites and 6 sites with an Activity and Use Limitation. All MassDEP sites in Brookline.

What this means

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.

First page of a sample Massachusetts Property Report

The report for 20 Boylston St CS1

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)

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