331 Concord Ave, Lexington, MA 02421 Property Records

Middlesex County and Lexington Town property record for 331 Concord Ave, Lexington, MA 02421

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	2,501 sqft · built 1920
Lot Size	2.5 acres (109,279 sqft)
Owner	2 Individual Names on Record
Tax Bill	$10,608 (2026)
Deeds & Mortgages	Mar 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`LEXI M:0010 L:00031B`

Property Details

APN / Parcel Number

Primary APN	`LEXI M:0010 L:00031B`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,501 sqft Total Area
Basement Area	1,100 sqft
Unfinished Basement	1,100 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Conventional
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	109,279 sqft (2.5 acres)
Parking Spaces	4 Parking Spaces
Deck Area	Deck Area
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Street Address	331 CONCORD AVE
City	LEXINGTON
State	MA
Zip	02421-8126
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	RO
Legal Lot Number	31B
Jurisdiction	LEXINGTON MA
Township / Civil Division	LEXINGTON
Census Block Group	1
Census Block	1002
Census Tract	358300

Owner

Source: Middlesex County and Lexington 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	331 CONCORD AVE, LEXINGTON, MA 02421-8126
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

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

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LEXINGTON MA
Property Address	331 CONCORD AVE, LEXINGTON, MA 02421-8126
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	74224-155
Date	Mar 3, 2020
Book Page	74224/155
Instrument	31879

Lender

Name	WATERTOWN SAVINGS BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2050

Interest

Rate Type	Adjustable Rate
Type Change Date	Mar 1, 2025

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$10,608.00	$861,750 (-30.89%) Land $658,500 Building $203,250	$1,842,810
2025		$1,247,000 (+4.61%) Land $820,000 Building $427,000
2024		$1,192,000 (+8.66%) Land $781,000 Building $411,000
2023		$1,097,000 Land $715,000 Building $382,000

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	3 in force
Nearby Flood Claims	2 (1982–2005)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Jan 2005 · rainfall accumulation

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	LEXINGTON WATER DEPT. (MWRA) serves 34,074 people · EPA ID MA3155000
Water Source	Purchased surface water from MWRA
Last State Inspection	Sep 2023
Lead	2 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	2 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 100 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

May also be available: T-Mobile.

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