Norfolk County and Brookline Town property record for 21 Thayer St, Brookline, MA 02445 · Last verified July 2026
| Property Type | Condominium |
|---|---|
| Details | 6 bd · 2.5 ba · 2,165 sqft · built 1891 |
| Lot Size | 0.113 acres (4,931 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,460,000 (Sep 2018) |
| Tax Bill | $13,190 (2025) |
| Deeds & Mortgages | Aug 2025 Line of Credit Sep 2019 Line of Credit + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 21905108 |
| Primary APN | 21905108 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 3 Stories |
| Building Area | 2,165 sqft Living Area |
| Gross Area | 2,978 sqft |
| Basement Area | 813 sqft |
| Unfinished Basement | 813 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1891 |
|---|---|
| Effective Year Built | Effective 1891 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Asbestos |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 4,931 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 21905108 |
|---|---|
| Street Address | 21 THAYER ST |
| City | BROOKLINE |
| State | MA |
| Zip | 02445-6836 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Block | 177 |
| Legal Lot Number | 13 |
| Jurisdiction | BROOKLINE MA |
| Township / Civil Division | BROOKLINE |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 400700 |
Source: Norfolk County and Brookline Town records · APN 21905108
Assessment roll updated April 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 12, 2025 | Deed of Trust, Mortgage · Line of Credit GUARANTEED RATE INC |
| Sep 16, 2019 | Deed of Trust, Mortgage · Line of Credit NORWOOD COOPERATIVE BANK |
| Dec 23, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance NORWOOD COOPERATIVE BANK |
| Sep 12, 2018 | Condominium Deed, Transfer · Conventional Mortgage BROKER SOLUTIONS |
| Jun 19, 2017 | Deed of Trust, Mortgage · Line of Credit CITIZENS BK/RI |
| Apr 20, 2017 | Deed of Trust, Mortgage · Conventional Mortgage CITIZENS BK/RI |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 12, 2018 · Amount on Record |
| Deed Sale | Sep 12, 2018 · Amount on Record |
| Prior Sale | Jul 10, 2007 · Amount on Record |
| Deed Document Number | 201881513 |
| Deed Book / Page | 36289 / 360 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROOKLINE MA |
| Property Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Transaction Type | Mortgage |
| Record Updated | Nov 25, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0042582-33 |
|---|---|
| Date | Aug 12, 2025 |
| Book Page | 42582/33 |
| Instrument | 55415 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2055 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROOKLINE MA |
| Property Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 37151-155 |
|---|---|
| Date | Sep 16, 2019 |
| Book Page | 37151/155 |
| Instrument | 82428 |
| Name | NORWOOD COOPERATIVE BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROOKLINE MA |
| Property Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 37465-499 |
|---|---|
| Date | Dec 23, 2019 |
| Book Page | 37465/499 |
| Instrument | 121583 |
| Name | NORWOOD COOPERATIVE BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 373 Months |
| Due | Jan 01, 2051 |
| Document Type | Condominium Deed |
|---|---|
| Jurisdiction | BROOKLINE MA |
| Recording Date | Sep 12, 2018 |
| Property Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Document Number | 36289-360 |
| Book / Page | 036289 / 000360 |
| Instrument Date | Sep 10, 2018 |
| Instrument | 81513 |
| Transaction Type | Transfer |
| Record Updated | Oct 02, 2018 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,460.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 21 THAYER ST BROOKLINE MA 024456836, BROOKLINE, MA 02445-6836 |
| Document Number | 36289-364 |
|---|---|
| Date | Sep 12, 2018 |
| Book Page | 036289/000364 |
| Instrument | 81514 |
| Name | BROKER SOLUTIONS |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 11, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROOKLINE MA |
| Property Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Document Number | 35251-566 |
| Book / Page | 035251 / 000566 |
| Instrument Date | Jun 19, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2017 |
| Name | Verified Name |
|---|
| Document Number | 35251-566 |
|---|---|
| Date | Jul 05, 2017 |
| Book Page | 035251/000566 |
| Instrument | 60892 |
| Name | CITIZENS BK/RI |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROOKLINE MA |
| Property Address | 21 THAYER ST, BROOKLINE, MA 02445-6836 |
| Document Number | 35059-492 |
| Book / Page | 035059 / 000492 |
| Instrument Date | Apr 20, 2017 |
| Transaction Type | Mortgage |
| Record Updated | May 16, 2017 |
| Name | Verified Name |
|---|
| Document Number | 35059-492 |
|---|---|
| Date | Apr 25, 2017 |
| Book Page | 035059/000492 |
| Instrument | 34744 |
| Name | CITIZENS BK/RI |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 24, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.25% |
Source: Norfolk County and Brookline Town records · Assessment roll updated April 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Brookline Town |
| Unified School District | Brookline School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $13,190.00 (+3.04%) | $1,336,400 (+2%) Building $1,336,400 | $1,953,390 (+0.2%) |
| 2024 | $12,801.00 (+2.9%) | $1,310,200 (+5.01%) Building $1,310,200 | $1,949,400 |
| 2023 | $12,440.00 | $1,247,700 Building $1,247,700 |
Source: FEMA National Flood Hazard Layer, Norfolk County (25021C), updated May 26, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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