20 Windsor St, Arlington, MA 02474 Property Records

Middlesex County and Arlington Town property record for 20 Windsor St, Arlington, MA 02474

Property Summary

Property Type	Duplex
Details	7 bd · 2 ba · 3,096 sqft · built 1912
Lot Size	0.115 acres (5,001 sqft)
Owner	2 Individual Names on Record
Last Sale	$475,000 (Nov 2012)
Tax Bill	$12,241 (2026)
Deeds & Mortgages	Oct 2021 Line of Credit Oct 2021 Refinance + 2 more
Flood Zone	Zone X (minimal risk)
APN	`16805`

Property Details

APN / Parcel Number

Primary APN	`16805`
Alternative APN	`ARLI M:025.0 B:0005 L:0011`

Interior

Bedrooms	7 Beds
Full Baths	2 Baths
Total Rooms	14 Rooms
Units	2 Units
Stories	3 Stories
Building Area	3,096 sqft Living Area
Gross Area	5,725 sqft
Basement Area	1,218 sqft
Unfinished Basement	1,218 sqft

Exterior

Year Built	Built 1912
Effective Year Built	Effective 1955
Architectural Style	Duplex Single
Exterior Material	Other
Construction Type	Frame
Roof Type	Gambrel
Roof Material	Asphalt
Lot Area	5,001 sqft (0.115 acres)
Garage Type	Detached

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Oil

Location & Zoning

Account Number	16805
Street Address	20 WINDSOR ST
City	ARLINGTON
State	MA
Zip	02474-5520
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R2
Legal Block	5
Legal Lot Number	11
Jurisdiction	ARLINGTON MA
Township / Civil Division	ARLINGTON
Census Block Group	1
Census Block	1004
Census Tract	356701

Owner

Source: Middlesex County and Arlington 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	20 WINDSOR ST, ARLINGTON, MA 02474-5520
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 14, 2021	Deed of Trust, Mortgage · Line of Credit WINTER HILL FSB
Oct 4, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance WINTER HILL FSB
May 24, 2023	Deed of Trust, Mortgage · Stand-Alone Refinance ST ANNE CU
Jul 11, 2018	Deed of Trust, Mortgage · Line of Credit TD BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 30, 2012 · Amount on Record
Deed Sale	Nov 30, 2012 · Amount on Record
Prior Sale	Mar 11, 1999 · Amount on Record
Deed Book / Page	60612 / 99
Transfer Doc	60612-99
Record Updated	Oct 29, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	20 WINDSOR ST, ARLINGTON, MA 02474-5520
Transaction Type	Mortgage
Record Updated	Jan 26, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	0078907-96
Date	Oct 14, 2021
Book Page	78907/96
Instrument	225715

Lender

Name	WINTER HILL FSB
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	241 Months
Due	Nov 1, 2041

Interest

Rate Type	Adjustable Rate

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	20 WINDSOR ST, ARLINGTON, MA 02474-5520
Transaction Type	Mortgage
Record Updated	Jan 26, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	078840-424
Date	Oct 4, 2021
Book Page	78840/424
Instrument	218877

Lender

Name	WINTER HILL FSB
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	241 Months
Due	Nov 1, 2041

May 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	20 WINDSOR ST, ARLINGTON, MA 02474-5520
Transaction Type	Mortgage
Record Updated	Jan 26, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	081568-451
Date	May 24, 2023
Book Page	81568/451
Instrument	53908

Lender

Name	ST ANNE CU
Type	Credit Union

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	301 Months
Due	Jun 1, 2048

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	20 WINDSOR ST, ARLINGTON, MA 02474-5520
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	71295-394
Date	Jul 11, 2018
Book Page	71295/394
Instrument	102280

Lender

Name	TD BANK NA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2048

Tax Assessment & Valuation

Source: Middlesex County and Arlington Town assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
County Subdivision	Arlington Town
Unified School District	Arlington School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$12,241.00 (+0.56%)	$1,147,200 (+1.5%) Land $592,800 Building $550,000	$1,286,771
2025	$12,173.00 (+8.21%)	$1,130,300 (+6.41%) Land $592,800 Building $537,500
2024	$11,249.00 (-0.53%)	$1,062,200 (+5.29%) Land $564,300 Building $497,900
2023	$11,309.00	$1,008,800 Land $473,100 Building $535,700

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 September 10, 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	8 in force
Nearby Flood Claims	1 (2010)
Most Recent Claim	Mar 2010 · Severe Storms And Flooding

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	ARLINGTON WATER DEPT. (MWRA) serves 46,308 people · EPA ID MA3010000
Water Source	Purchased surface water from MWRA
Last State Inspection	Aug 2023
Lead	3 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 888 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
T-Mobile Fixed Wireless	100 / 20

May also be available: Starry.

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