300 Warren St, Brookline, MA 02445 Property Records

Norfolk County and Brookline Town property record for 300 Warren St, Brookline, MA 02445 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	6 bd · 5.5 ba · 6,282 sqft · built 1929
Lot Size	0.973 acres (42,366 sqft)
Owner	2 Individual Names on File
Last Sale	$1,767,500 (Nov 1998)
Tax Bill	$63,182 (2025)
Deeds & Mortgages	Apr 2023 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`12737005`

Property Details

APN / Parcel Number

Primary APN	`12737005`
Alternative APN	`BROO B:350 L:0009 S:0000`

Interior

Bedrooms	6 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	6,282 sqft Living Area
Gross Area	11,345 sqft
Basement Area	2,741 sqft
Unfinished Basement	1,953 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1969
Architectural Style	Colonial
Exterior Material	Brick
Construction Type	Frame
Roof Type	Hip
Roof Material	Slate
Lot Area	42,366 sqft (0.973 acres)
Garage Type	Basement
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Gas

Location & Zoning

Account Number	12737005
Street Address	300 WARREN ST
City	BROOKLINE
State	MA
Zip	02445-5927
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	WILLIAMS ESTATE ADD 01
Legal Block	350
Legal Lot Number	9
Jurisdiction	BROOKLINE MA
Township / Civil Division	BROOKLINE
Census Block Group	1
Census Block	1017
Census Tract	401100

Owner

Source: Norfolk County and Brookline Town records · APN 12737005

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	300 WARREN ST, BROOKLINE, MA 02445-5927
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 19, 1998 · Amount on Record
Deed Sale	Nov 19, 1998 · Amount on Record
Prior Sale	Sep 02, 1998 · Amount on Record
Record Updated	Sep 20, 2026

April 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	300 WARREN ST, BROOKLINE, MA 02445-5927
Transaction Type	Mortgage
Record Updated	May 12, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0041158-63
Date	Apr 25, 2023
Book Page	41158/63
Instrument	23667

Lender

Name	VILLAGE BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 01, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Type Change Date	May 01, 2028
Index	1-Year CMT
Margin	3

Tax Assessment & Valuation

Source: Norfolk County and Brookline Town records · Assessment roll updated April 14, 2026 · Last verified July 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

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	$63,182.00 (+4.73%)	$6,401,400 (+3.67%) Land $3,076,900 Building $3,324,500	$5,469,435 (-11.32%)
2024	$60,330.00 (+8.81%)	$6,175,000 (+11.04%) Land $2,958,600 Building $3,216,400	$6,167,685
2023	$55,443.00	$5,561,000 Land $2,465,800 Building $3,095,200

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Norfolk County (25021C), updated May 26, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250214011001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	9 in force
Nearby Flood Claims	2 (2014)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Dec 2014, rainfall accumulation

Wildfire

Wildfire Risk	Low above 7% of the US · above 16% of Massachusetts
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 64 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 2,000
Radiate Holdings	Cable	1,500 / 50

May also be available at this address: T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.