42 Walnut St, Arlington, MA 02476 Property Records

Middlesex County and Arlington Town property record for 42 Walnut St, Arlington, MA 02476

Property Summary

Property Type	Condominium
Details	3 bd · 1.5 ba · 1,620 sqft · built 1910
Lot Size	0.108 acres (4,732 sqft)
Owner	2 Individual Names on File
Last Sale	$680,000 (Nov 2021)
Tax Bill	$7,974 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Nov 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`318927`

Property Details

APN / Parcel Number

Primary APN	`318927`
Alternative APN	`ARLI M:128.A B:0006 L:0042`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,620 sqft Living Area

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Architectural Style	Condo/Apartment
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	4,732 sqft
Garage Type	Detached

Utilities, Heating & Cooling

Heating System	Radiant
Heating Fuel	Gas

Location & Zoning

Account Number	318927
Street Address	42 WALNUT ST
City	ARLINGTON
State	MA
Zip	02476-6141
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	R1
Legal Block	6
Legal Lot Number	42
Jurisdiction	ARLINGTON MA
Township / Civil Division	ARLINGTON
Census Block Group	1
Census Block	1008
Census Tract	356704

Owner

Source: Middlesex County and Arlington Town assessment roll, as of April 14, 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 File
Mailing Address	42 WALNUT ST, ARLINGTON, MA 02476-6141
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2021	Deed of Trust, Mortgage · ARM HARVARD UNIVERSITY CREDIT UNION
Nov 12, 2021	Quit Claim Deed, Transfer · Stand-Alone First Mortgage RESIDENTIAL MORTGAGE SERVICES

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 12, 2021 · Amount on Record
Deed Sale	Nov 12, 2021 · Amount on Record
Prior Sale	May 4, 2016 · Amount on Record
Deed Book / Page	79130 / 244
Record Updated	Sep 20, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	42 WALNUT ST, ARLINGTON, MA 02476-6141
Transaction Type	Mortgage
Record Updated	Apr 3, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	077648-385
Date	Apr 30, 2021
Book Page	77648/385
Instrument	97650

Lender

Name	HARVARD UNIVERSITY CREDIT UNION

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.25%
Type Change Date	May 1, 2026
Index	1-Year CMT

November 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ARLINGTON MA
Recording Date	Nov 12, 2021
Property Address	42 WALNUT ST, ARLINGTON, MA 02476-6141
Document Number	79130-244
Book / Page	79130 / 244
Instrument Date	Nov 12, 2021
Instrument	247588
Transaction Type	Transfer
Record Updated	Nov 25, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	Tenants by the Entirety
Address	42 WALNUT ST # 42, 42, ARLINGTON, MA 02476-6141

Mortgage

Document Number	247589
Date	Nov 12, 2021
Instrument	247589

Lender

Name	RESIDENTIAL MORTGAGE SERVICES
Type	Mortgage Company

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

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
2025	$7,974.00 (+6.38%)	$740,400 (+4.61%) Building $740,400	$813,675 (+3.32%)
2024	$7,496.00 (-3.19%)	$707,800 (+2.48%) Building $707,800	$787,550
2023	$7,743.00	$690,700 Building $690,700

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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

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 898 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
Radiate Holdings Cable · Fiber in parts of the area	1,500 / 50
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Starry.

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