420 Warren St, Brookline, MA 02445 Property Records

Norfolk County and Brookline Town property record for 420 Warren St, Brookline, MA 02445

Property Summary

Property Type	Single Family Home
Details	6 bd · 4.5 ba · 5,254 sqft · built 1925
Lot Size	0.693 acres (30,174 sqft)
Owner	2 Individual Names on File
Last Sale	$2,585,000 (Jul 2014)
Tax Bill	$63,878 (2026)
Deeds & Mortgages	Dec 2024 Line of Credit Apr 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`12567013`

Property Details

APN / Parcel Number

Primary APN	`12567013`
Alternative APN	`BROO B:338 L:0026 S:0000`

Interior

Bedrooms	6 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	3 Stories
Building Area	5,254 sqft Living Area
Gross Area	9,301 sqft
Basement Area	1,811 sqft
Unfinished Basement	1,811 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1980
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gambrel
Roof Material	Slate
Lot Area	30,174 sqft (0.693 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	12567013
Street Address	420 WARREN ST
City	BROOKLINE
State	MA
Zip	02445-5922
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	S40
Legal Block	338
Legal Lot Number	26
Jurisdiction	BROOKLINE MA
Township / Civil Division	BROOKLINE
Census Block Group	1
Census Block	1015
Census Tract	401100

Owner

420 Warren St is owned and occupied by two individuals who bought it in July 2014.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	420 WARREN ST, BROOKLINE, MA 02445-5922
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 11, 2024	Deed of Trust, Mortgage · Line of Credit DIGITAL FCU
Apr 26, 2019	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 11, 2014 · Amount on File
Deed Sale	Jul 11, 2014 · Amount on File
Deed Book / Page	32386 / 516
Record Updated	Oct 29, 2026

December 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	420 WARREN ST, BROOKLINE, MA 02445-5922
Transaction Type	Mortgage
Record Updated	Apr 2, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	042156-263
Date	Dec 11, 2024
Book Page	42156/263
Instrument	82486

Lender

Name	DIGITAL FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	481 Months
Due	Jan 1, 2065

Interest

Rate Type	Adjustable Rate

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	420 WARREN ST, BROOKLINE, MA 02445-5922
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	36750-276
Date	Apr 26, 2019
Book Page	36750/276
Instrument	30620

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	May 1, 2049

Interest

Rate Type	Adjustable Rate
Type Change Date	May 1, 2026

Tax Assessment & Valuation

The 2026 property tax bill for 420 Warren St was $63,878, up 4.2% from the year before.

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	$63,878.00 (+4.15%)	$6,238,100 (+0.39%) Land $2,556,100 Building $3,681,300	$4,763,300 (-)
2025	$61,331.00 (+4.67%)	$6,213,900 (+3.61%) Land $2,530,800 Building $3,683,100	$4,763,300 (+0.29%)
2024	$58,596.00 (+11.97%)	$5,997,500 (+14.26%) Land $2,433,400 Building $3,564,100	$4,749,430
2023	$52,334.00	$5,249,100 Land $2,028,100 Building $3,221,000

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

Flood

FEMA maps place 420 Warren St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2014.

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	9 in force
Nearby Flood Claims	2 (2014)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Dec 2014 · rainfall accumulation

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

Wildfire risk around 420 Warren St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 94% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 99 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50

May also be available: AT&T, T-Mobile, Verizon.

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