101 N Union St, Arlington, MA 02474 Property Records

Middlesex County and Arlington Town property record for 101 N Union St, Arlington, MA 02474

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,330 sqft · built 1953
Lot Size	0.139 acres (6,059 sqft)
Owner	2 Individual Names on File
Last Sale	$784,600 (Oct 2022)
Tax Bill	$8,345 (2026)
Deeds & Mortgages	Oct 2022 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`24770`

Property Details

APN / Parcel Number

Primary APN	`24770`
Alternative APN	`ARLI M:036.0 B:0001 L:0004`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,330 sqft Living Area
Gross Area	2,547 sqft
Basement Area	1,023 sqft
Unfinished Basement	716 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1961
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,059 sqft (0.139 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	24770
Street Address	101 N UNION ST
City	ARLINGTON
State	MA
Zip	02474-3629
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Block	1
Legal Lot Number	4
Jurisdiction	ARLINGTON MA
Township / Civil Division	ARLINGTON
Census Block Group	1
Census Block	1003
Census Tract	356300

Owner

101 N Union St is owned and occupied by two individuals who bought it in October 2022.

Source: Middlesex County and Arlington Town records, as of October 20, 2026

Owner of Record	2 Individual Names on File
Mailing Address	101 N UNION ST, ARLINGTON, MA 02474-3629
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 13, 2022 · Amount on File
Deed Sale	Oct 13, 2022 · Amount on File
Prior Sale	Sep 10, 1993 · Amount on File
Deed Book / Page	80820 / 564
Record Updated	Oct 29, 2026

October 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ARLINGTON MA
Recording Date	Oct 13, 2022
Property Address	101 N UNION ST, ARLINGTON, MA 02474-3629
Document Number	080820-564
Book / Page	80820 / 564
Instrument Date	Oct 13, 2022
Instrument	153336
Transaction Type	Transfer
Record Updated	Nov 20, 2025

Transaction

Amount	Amount on Record
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
Relationship	Tenants by the Entirety
Address	101 N UNION ST, ARLINGTON, MA 02474-3629

Mortgage

Document Number	0000153337
Date	Oct 13, 2022
Instrument	153337

Lender

Name	ANDREA R GWOSDOW

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 101 N Union St was $8,345, up 2% from the year before.

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	$8,345.00 (+2.02%)	$782,100 (+2.98%) Land $499,400 Building $282,700	$792,193 (-8.14%)
2025	$8,180.00 (+8.76%)	$759,500 (+6.94%) Land $481,400 Building $278,100	$862,410 (+7.17%)
2024	$7,521.00 (+3.27%)	$710,200 (+9.31%) Land $457,300 Building $252,900	$804,745
2023	$7,283.00	$649,700 Land $409,200 Building $240,500

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 101 N Union St in Zone X, an area of moderate flood risk, though there have been 25 flood claims nearby since 1982.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 27 individual policies
Nearby Flood Policies	145 units insured incl. 118 condo units
Nearby Flood Claims	25 (1982–2010)
Claims Outside the SFHA	7 of 25
Most Recent Claim	Mar 2010 · Severe Storms And Flooding
Claims by Event	Severe Storms And Flooding, Mar 2010 · 8 claims Severe Storms And Flooding, May 2006 · 8 claims Extreme Weather Conditons And Flooding, Oct 1996 · 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

The area around 101 N Union St has no burnable land within ember reach, so its wildfire risk is not rated.

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 670 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: Netafy, Starry.

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