319 Mason Ter, Brookline, MA 02446 Property Records

Norfolk County and Brookline Town property record for 319 Mason Ter, Brookline, MA 02446

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 2,016 sqft · built 1930
Lot Size	0.129 acres (5,624 sqft)
Owner	Individual Name on File
Last Sale	$1,558,888 (May 2025)
Tax Bill	$18,652 (2026)
Deeds & Mortgages	Dec 2025 Mortgage May 2025 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`3153022`

Property Details

APN / Parcel Number

Primary APN	`3153022`
Alternative APN	`BROO B:085 L:0095 S:0000`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,016 sqft Living Area
Gross Area	3,124 sqft
Basement Area	924 sqft
Unfinished Basement	924 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1930
Effective Year Built	Effective 1969
Architectural Style	Other
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Hip
Roof Material	Asphalt
Lot Area	5,624 sqft (0.129 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	3153022
Street Address	319 MASON TER
City	BROOKLINE
State	MA
Zip	02446-2777
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	S-7
Legal Subdivision	BROOKLINE
Legal Block	85
Legal Lot Number	95
Jurisdiction	BROOKLINE MA
Township / Civil Division	BROOKLINE
Census Block Group	1
Census Block	1005
Census Tract	400401

Owner

319 Mason Ter is owned and occupied by an individual who bought it in May 2025.

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

Owner of Record	Individual Name on File
Mailing Address	319 MASON TER, BROOKLINE, MA 02446-2777
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

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

Deeds, Mortgages & Sale History

Date	Document
Dec 23, 2025	Deed of Trust, Mortgage · Conventional Mortgage WASHINGTON TRUST MORTGAGE CO
May 9, 2025	Quit Claim Deed, Transfer · Stand-Alone First Mortgage WASHINGTON TRUST MORTGAGE CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 9, 2025 · Amount on File
Deed Sale	May 9, 2025 · Amount on File
Prior Sale	Dec 3, 2010
Deed Book / Page	42390 / 288
Record Updated	Oct 29, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	319 MASON TER, BROOKLINE, MA 02446-2777
Transaction Type	Mortgage
Record Updated	Jan 14, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	042850-102
Date	Dec 23, 2025
Book Page	42850/102
Instrument	91528

Lender

Name	WASHINGTON TRUST MORTGAGE CO

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	349 Months
Due	Jan 1, 2055

May 2025: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BROOKLINE MA
Recording Date	May 9, 2025
Property Address	319 MASON TER, BROOKLINE, MA 02446-2777
Document Number	042390-288
Book / Page	42390 / 288
Instrument Date	May 9, 2025
Instrument	29029
Transaction Type	Transfer
Record Updated	Nov 19, 2025

Transaction

Amount	Amount on Record
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	319 MASON TER, BROOKLINE, MA 02446-2777

Mortgage

Document Number	0000029030
Date	May 9, 2025
Instrument	29030

Lender

Name	WASHINGTON TRUST MORTGAGE CO

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Rate	6.75%
Type Change Date	Jun 1, 2030
Max Rate At Change	3%
Index	1-Year CMT
Margin	3

Tax Assessment & Valuation

The 2026 property tax bill for 319 Mason Ter was $18,652, up 6.6% 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	$18,652.00 (+6.62%)	$1,821,500 (+2.77%) Land $1,302,600 Building $518,900	$1,475,825 (-)
2025	$17,494.00 (+5.23%)	$1,772,400 (+4.16%) Land $1,289,700 Building $482,700	$1,475,825 (-42.55%)
2024	$16,625.00 (+6.6%)	$1,701,600 (+8.78%) Land $1,239,600 Building $462,000	$2,568,705
2023	$15,596.00	$1,564,300 Land $1,078,000 Building $486,300

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

Flood

FEMA maps place 319 Mason Ter in Zone X, an area of minimal flood risk.

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

The area around 319 Mason Ter has no burnable land within ember reach, so its wildfire risk is not rated.

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
Also Mapped Here	BOSTON WATER AND SEWER COMMISSION (MWRA)
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 776 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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