66 River St, Arlington, MA 02474 Property Records

Middlesex County and Arlington Town property record for 66 River St, Arlington, MA 02474

Property Summary

Property Type	Condominium
Details	2 bd · 1 ba · 1,282 sqft · built 1922
Lot Size	0.116 acres (5,093 sqft)
Owner	2 Individual Names on Record
Tax Bill	$7,834 (2026)
Deeds & Mortgages	Dec 2025 Line of Credit Dec 2020 Refinance
Flood Zone	Zone X (minimal risk)
APN	`316657`

Property Details

APN / Parcel Number

Primary APN	`316657`
Alternative APN	`ARLI M:041.A B:0005 L:0066`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,282 sqft Living Area
Gross Area	2,743 sqft
Basement Area	276 sqft
Unfinished Basement	276 sqft

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1922
Architectural Style	Condo/Apartment
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	5,093 sqft
Garage Type	Detached

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Gas

Location & Zoning

Account Number	316657
Street Address	66 RIVER ST
City	ARLINGTON
State	MA
Zip	02474-3542
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	R2
Legal Block	5
Legal Lot Number	66
Jurisdiction	ARLINGTON MA
Township / Civil Division	ARLINGTON
Census Block Group	4
Census Block	4002
Census Tract	356300

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	66 RIVER ST, ARLINGTON, MA 02474-3542
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 19, 2025	Deed of Trust, Mortgage · Line of Credit LEADER BANK NA
Dec 9, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance FAIRWAY INDEPENDENT MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Oct 29, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	66 RIVER ST, ARLINGTON, MA 02474-3542
Transaction Type	Mortgage
Record Updated	Jan 7, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	085031-460
Date	Dec 19, 2025
Book Page	85031/460
Instrument	156401

Lender

Name	LEADER BANK NA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON MA
Property Address	66 RIVER ST, ARLINGTON, MA 02474-3542
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76384-213
Date	Dec 9, 2020
Book Page	76384/213
Instrument	234032

Lender

Name	FAIRWAY INDEPENDENT MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	253 Months
Due	Jan 1, 2042

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	$7,834.00 (+3.08%)	$734,200 (+4.04%) Building $731,600	$670,171 (+11.74%)
2025	$7,600.00 (+5.92%)	$705,700 (+4.16%) Building $705,700
2024	$7,175.00 (-2.26%)	$677,500 (+3.45%) Building $677,500	$599,735
2023	$7,341.00	$654,900 Building $654,900

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	2 (1978)
Most Recent Claim	Feb 1978 · tidal / storm surge

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 836 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
Netafy Fixed Wireless	476 / 106
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, AT&T.

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