12 Sewall Ave, Winthrop, MA 02152 Property Records

Suffolk County and Winthrop Town City property record for 12 Sewall Ave, Winthrop, MA 02152

Property Summary

Property Type	Duplex
Details	5 bd · 3 ba · 3,451 sqft · built 1925
Lot Size	0.112 acres (4,889 sqft)
Owner	Individual Name on Record
Last Sale	$389,999 (Mar 2026)
Tax Bill	$13,849 (2026)
Deeds & Mortgages	Jul 2024 Refinance Mar 2026 Sale & Mortgage + 7 more
Flood Zone	Zone X (minimal risk)
APN	`WINT M:074 L:001`

Property Details

APN / Parcel Number

Primary APN	`WINT M:074 L:001`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Units	2 Units
Stories	3 Stories
Building Area	3,451 sqft Living Area
Gross Area	5,526 sqft
Basement Area	1,288 sqft
Unfinished Basement	1,288 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1925
Architectural Style	Other
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	4,889 sqft (0.112 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Street Address	12 SEWALL AVE
City	WINTHROP
State	MA
Zip	02152-1099
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Lot Number	1
Jurisdiction	WINTHROP MA
Township / Civil Division	WINTHROP TOWN
Census Block Group	2
Census Block	2002
Census Tract	180101

Owner

Source: Suffolk County and Winthrop Town City 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	Individual Name on Record
Mailing Address	12 SEWALL AVE, 3, WINTHROP, MA 02152-1099
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Date	Document
Jul 30, 2024	Deed of Trust, Mortgage · Stand-Alone Refinance A & D MORTGAGE LLC
Mar 12, 2026	Condominium Deed, Transfer UNITED WHOLESALE MORTGAGE
Oct 17, 2025	Condominium Deed, Transfer CROSSCOUNTRY MORTGAGE INC
Jul 1, 2025	Condominium Deed, Transfer
Nov 22, 2024	Quit Claim Deed, Transfer · Stand-Alone Refinance GCCG LENDING LLC
Nov 3, 2023	Quit Claim Deed, Transfer · Stand-Alone Refinance EMBRACE HOME LOANS INC
Aug 2, 2022	Deed, Transfer · Commercial Mortgage WADSWORTH LLC
Aug 31, 2020	Deed of Trust, Mortgage · VA Mortgage QUICKEN LOANS INC
Jul 5, 2019	Deed of Trust, Mortgage · FHA Mortgage QUAD CTY BK&TR

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 12, 2026 · Amount on Record
Deed Sale	Mar 12, 2026 · Amount on Record
Prior Sale	Oct 17, 2025 · Amount on Record
Deed Document Number	202613692
Deed Book / Page	72508 / 119
Prior Transfer Date	Nov 22, 2024
Prior Transfer Doc	0070831-70
Record Updated	Oct 29, 2026

July 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WINTHROP MA
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	070442-190
Date	Jul 30, 2024
Book Page	70442/190
Instrument	46938

Lender

Name	A & D MORTGAGE LLC

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2054

March 2026: Condominium Deed, Transfer

Document Type	Condominium Deed
Jurisdiction	WINTHROP MA
Recording Date	Mar 12, 2026
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	072508-119
Book / Page	72508 / 119
Instrument Date	Mar 4, 2026
Instrument	13692
Transaction Type	Transfer
Record Updated	Mar 31, 2026

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	12 SEWALL AVE APT 3, 3, WINTHROP, MA 02152-1099

Mortgage

Document Number	0000013693
Date	Mar 12, 2026
Instrument	13693

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

October 2025: Condominium Deed, Transfer

Document Type	Condominium Deed
Jurisdiction	WINTHROP MA
Recording Date	Oct 17, 2025
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	0071995-67
Book / Page	71995 / 67
Instrument Date	Oct 17, 2025
Instrument	66858
Transaction Type	Transfer
Record Updated	Apr 3, 2026

Transaction

Amount	Amount Recorded
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
Relationship	Joint Tenants with Right of Survivorship
Address	12 SEWALL AVE APT 2, 2, WINTHROP, MA 02152-1099

Mortgage

Document Number	0000066859
Date	Oct 17, 2025
Instrument	66859

Lender

Name	CROSSCOUNTRY MORTGAGE INC
Type	Mortgage Company

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

Mortgage

Document Number	072044-167
Date	Oct 30, 2025
Book Page	72044/167
Instrument	69787

Lender

Name	AMWEST FUNDING CORP.

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2055

July 2025: Condominium Deed, Transfer

Document Type	Condominium Deed
Jurisdiction	WINTHROP MA
Recording Date	Jul 1, 2025
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	071587-219
Book / Page	71587 / 219
Instrument Date	Jun 30, 2025
Instrument	202500040862
Transaction Type	Transfer
Record Updated	Mar 31, 2026

Transaction

Amount	Amount Recorded
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
Relationship	Joint Tenants with Right of Survivorship
Address	12 SEWALL AVE APT 1, 1, WINTHROP, MA 02152-1099

November 2024: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WINTHROP MA
Recording Date	Nov 22, 2024
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	0070831-70
Book / Page	70831 / 70
Instrument Date	Nov 22, 2024
Instrument	72514
Transaction Type	Transfer
Record Updated	Mar 31, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5 BURRILL TER, WINTHROP, MA 02152-2614

Mortgage

Document Number	0000072515
Date	Nov 22, 2024
Instrument	72515

Lender

Name	GCCG LENDING LLC

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

November 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WINTHROP MA
Recording Date	Nov 3, 2023
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	0069605-91
Book / Page	69605 / 91
Instrument Date	Nov 3, 2023
Instrument	71537
Transaction Type	Transfer
Record Updated	Mar 31, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Venture
Address	723 BENNINGTON ST, EAST BOSTON, MA 02128-1133
Investor	Possibly a Property Investor

Mortgage

Document Number	0000071538
Date	Nov 3, 2023
Instrument	71538

Lender

Name	EMBRACE HOME LOANS INC
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2053

August 2022: Deed, Transfer

Document Type	Deed
Jurisdiction	WINTHROP MA
Recording Date	Aug 2, 2022
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	068030-178
Book / Page	68030 / 178
Instrument Date	Aug 1, 2022
Instrument	67015
Transaction Type	Transfer
Record Updated	Mar 31, 2026

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	5 BURRILL TER, WINTHROP, MA 02152-2614
Investor	Possibly a Property Investor

Mortgage

Document Number	0000067016
Date	Aug 2, 2022
Instrument	67016

Lender

Name	WADSWORTH LLC

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WINTHROP MA
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	63665-253
Date	Aug 31, 2020
Book Page	63665/253
Instrument	73016

Lender

Name	QUICKEN LOANS INC
Type	Lending Institution

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WINTHROP MA
Property Address	12 SEWALL AVE, WINTHROP, MA 02152-1099
Document Number	61424-1
Instrument Date	Jul 5, 2019
Transaction Type	Mortgage
Record Updated	Jul 30, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12 SEWALL AVE WINTHROP MA 021521099, WINTHROP, MA 02152-1099

Mortgage

Document Number	61424-1
Date	Jul 16, 2019
Book Page	061424/000001
Instrument	57231

Lender

Name	QUAD CTY BK&TR
Type	Bank

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 15, 2049

Tax Assessment & Valuation

Source: Suffolk County and Winthrop Town City assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Suffolk County
Municipality	Winthrop Town City
Unified School District	Winthrop School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026	$13,849.00 (+55.55%)	$1,243,200 (+44.11%) Land $405,800 Building $837,400
2025	$8,903.00 (+21.36%)	$862,700 (+22.54%) Land $386,400 Building $476,300
2024	$7,336.00 (-5.33%)	$704,000 (-2.79%) Land $387,600 Building $316,400
2023	$7,749.00	$724,200 Land $348,800 Building $375,400

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone VE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Nearby Flood Policies	15 in force
Nearby Flood Claims	25 (1978–2018)
Claims Outside the SFHA	16 of 25
Most Recent Claim	Aug 2018 · other causes
Claims by Event	Winter Coastal Storm, Dec 1992 · 3 claims Coastal Storm, Oct 1991 · 5 claims Coastal Storms, Flood, Ice & Snow, Feb 1978 · 3 claims

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	WINTHROP WATER DIVISION, (MWRA) serves 19,316 people · EPA ID MA3346000
Water Source	Purchased surface water from MWRA
Last State Inspection	Dec 2023
Lead	8 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	1 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 681 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, Netafy, Verizon.

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