243 Mason Ter, Brookline, MA 02446 Property Records

Norfolk County and Brookline Town property record for 243 Mason Ter, Brookline, MA 02446

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,084 sqft · built 1920
Lot Size	0.236 acres (10,276 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,820,000 (Oct 2018)
Tax Bill	$22,416 (2026)
Deeds & Mortgages	May 2021 Refinance Jun 2017 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`3137022`

Property Details

APN / Parcel Number

Primary APN	`3137022`
Alternative APN	`BROO B:085 L:0081 S:0000`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,084 sqft Living Area
Gross Area	3,348 sqft
Basement Area	962 sqft
Unfinished Basement	962 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1961
Architectural Style	Colonial
Exterior Material	Stone
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	10,276 sqft (0.236 acres)

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Gas

Location & Zoning

Account Number	3137022
Street Address	243 MASON TER
City	BROOKLINE
State	MA
Zip	02446-2776
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	S-7
Legal Block	85
Legal Lot Number	81
Jurisdiction	BROOKLINE MA
Township / Civil Division	BROOKLINE
Census Block Group	1
Census Block	1005
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	2 Individual Names on Record
Mailing Address	243 MASON TER, BROOKLINE, MA 02446-2776
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Date	Document
May 14, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance GUARANTEED RATE INC
Jun 20, 2017	Deed of Trust, Mortgage DIGITAL FCU
Mar 6, 2020	Deed of Trust, Mortgage · ARM GUARANTEED RATE INC
Jun 25, 2019	Deed of Trust, Mortgage GUARANTEED RATE
Oct 4, 2018	Quit Claim Deed, Transfer · Line of Credit GUARANTEED RATE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 4, 2018 · Amount on Record
Deed Sale	Oct 4, 2018 · Amount on Record
Prior Sale	Nov 10, 2015 · Amount on Record
Deed Book / Page	36344 / 348
Transfer Doc	036344-348
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	243 MASON TER, BROOKLINE, MA 02446-2776
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0039394-84
Date	May 14, 2021
Book Page	39394/84
Instrument	63289

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2051

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	243 MASON TER, BROOKLINE, MA 02446-2776
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	35206-216
Date	Jun 20, 2017
Book Page	35206/216
Instrument	54713

Lender

Name	DIGITAL FCU
Type	Credit Union

Agreement

Amount	Amount Recorded
Term	120 Months
Due	Jun 1, 2027

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	243 MASON TER, BROOKLINE, MA 02446-2776
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	37656-31
Date	Mar 6, 2020
Book Page	37656/31
Instrument	20831

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2050

Interest

Rate Type	Adjustable Rate
Type Change Date	Mar 1, 2027

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BROOKLINE MA
Property Address	243 MASON TER, BROOKLINE, MA 02446-2776
Document Number	36931-579
Instrument Date	Jun 25, 2019
Transaction Type	Mortgage
Record Updated	Jul 16, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	243 MASON TER BROOKLINE MA 024462776, BROOKLINE, MA 02446-2776

Mortgage

Document Number	36931-579
Date	Jul 1, 2019
Book Page	036931/000579
Instrument	54383

Lender

Name	GUARANTEED RATE

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 30, 2049

Interest

Rate Type	Adjustable Rate

October 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BROOKLINE MA
Recording Date	Oct 4, 2018
Property Address	243 MASON TER, BROOKLINE, MA 02446-2776
Document Number	36344-348
Book / Page	036344 / 000348
Instrument Date	Oct 3, 2018
Instrument	89269
Transaction Type	Transfer
Record Updated	Oct 23, 2018

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,820.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	101 TROWBRIDGE ST #1 CAMBRIDGE MA 021383118, 1, CAMBRIDGE, MA 02138-3118

Mortgage

Document Number	36344-350
Date	Oct 4, 2018
Book Page	036344/000350
Instrument	89270

Lender

Name	GUARANTEED RATE

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Oct 3, 2048

Interest

Rate Type	Adjustable Rate

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	$22,416.00 (+9.82%)	$2,189,100 (+5.85%) Land $1,533,800 Building $655,300	$2,585,045 (-)
2025	$20,412.00 (+5.05%)	$2,068,100 (+3.99%) Land $1,518,600 Building $549,500	$2,585,045 (+2.78%)
2024	$19,430.00 (+7.08%)	$1,988,700 (+9.27%) Land $1,459,800 Building $528,900	$2,515,030
2023	$18,145.00	$1,820,000 Land $1,269,500 Building $550,500

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 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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