12 Williams St, Brookline, MA 02446 Property Records

Norfolk County and Brookline Town property record for 12 Williams St, Brookline, MA 02446

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,918 sqft · built 1888
Lot Size	0.126 acres (5,502 sqft)
Owner	Trust Name on Record
Last Sale	$2,040,000 (Sep 2023)
Tax Bill	$17,713 (2026)
Deeds & Mortgages	Sep 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`2727003`

Property Details

APN / Parcel Number

Primary APN	`2727003`
Alternative APN	`BROO B:081 L:0010 S:0000`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	3 Stories
Building Area	2,918 sqft Living Area
Gross Area	4,716 sqft
Basement Area	964 sqft
Unfinished Basement	964 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1888
Effective Year Built	Effective 1957
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	5,502 sqft (0.126 acres)

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Oil

Location & Zoning

Account Number	2727003
Street Address	12 WILLIAMS ST
City	BROOKLINE
State	MA
Zip	02446-2918
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	F-1
Legal Block	81
Legal Lot Number	10
Jurisdiction	BROOKLINE MA
Township / Civil Division	BROOKLINE
Census Block Group	1
Census Block	1007
Census Tract	400401

Owner

Source: Norfolk County and Brookline Town records, as of October 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Trust Name on Record
Mailing Address	500 LINCOLN ST, ALLSTON, MA 02134-1557
Owner Type	Individual
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 18, 2023 · Amount on Record
Deed Sale	Sep 18, 2023 · Amount on Record
Prior Sale	Jun 2, 1972 · Amount on Record
Deed Document Number	202360819
Deed Book / Page	41415 / 469
Record Updated	Oct 29, 2026

September 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BROOKLINE MA
Recording Date	Sep 18, 2023
Property Address	12 WILLIAMS ST, BROOKLINE, MA 02446-2918
Document Number	041415-469
Book / Page	41415 / 469
Instrument Date	Sep 18, 2023
Instrument	60819
Transaction Type	Transfer
Record Updated	Oct 9, 2023

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	500 LINCOLN ST STE 2ND, ALLSTON, MA 02134-1557

Mortgage

Document Number	0000060821
Date	Sep 18, 2023
Instrument	60821

Lender

Name	MIDDLESEX FSLA
Type	Lending Institution

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Norfolk County and Brookline Town assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Norfolk County
County Subdivision	Brookline Town
Unified School District	Brookline School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$17,713.00 (+6.97%)	$1,729,800 (+3.11%) Land $1,270,000 Building $448,500	$3,121,890 (-)
2025	$16,559.00 (+5.18%)	$1,677,700 (+4.11%) Land $1,257,400 Building $420,300	$3,121,890 (-2.63%)
2024	$15,743.00 (+4.92%)	$1,611,400 (+7.07%) Land $1,209,000 Building $402,400	$3,206,060
2023	$15,005.00	$1,505,000 Land $1,110,600 Building $394,400

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective May 26, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	BROOKLINE WATER AND SEWER DIVISION serves 63,191 people · EPA ID MA3046000
Water Source	Purchased surface water from MWRA
Last State Inspection	Apr 2026
Lead	1 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 556 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless · Fiber in parts of the area	1,000 / 75
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Starry.

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