10 Walnut St, Lexington, MA 02421 Property Records

Middlesex County and Lexington Town property record for 10 Walnut St, Lexington, MA 02421

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,172 sqft · built 1953
Lot Size	0.406 acres (17,678 sqft)
Owner	2 Trust Names on File
Last Sale	$49,000 (Sep 1972)
Tax Bill	$14,674 (2026)
Deeds & Mortgages	Dec 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`LEXI M:0004 L:000019`

Property Details

APN / Parcel Number

Primary APN	`LEXI M:0004 L:000019`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,172 sqft Living Area
Gross Area	3,945 sqft
1st Floor Area	1,392 sqft
Basement Area	800 sqft
Unfinished Basement	800 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Cape Cod
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	17,678 sqft (0.406 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Street Address	10 WALNUT ST
City	LEXINGTON
State	MA
Zip	02421-8220
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RO
Legal Lot Number	19
Jurisdiction	LEXINGTON MA
Township / Civil Division	LEXINGTON
Census Block Group	1
Census Block	1008
Census Tract	358300

Owner

10 Walnut St is owner-occupied and held in a trust since September 1972.

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

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

Owner of Record	2 Trust Names on File
Mailing Address	10 WALNUT ST, LEXINGTON, MA 02421-8220
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 1, 1972 · Amount on File
Deed Sale	Sep 1, 1972 · Amount on File
Deed Book / Page	824 / 161
Record Updated	Oct 29, 2026

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LEXINGTON MA
Recording Date	Dec 4, 2018
Property Address	10 WALNUT ST, LEXINGTON, MA 02421-8220
Document Number	0000002875
Instrument Date	Nov 19, 2018
Instrument	2875
Transaction Type	Transfer
Record Updated	Dec 26, 2018

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10 WALNUT ST LEXINGTON MA 024218220, LEXINGTON, MA 02421-8220

Tax Assessment & Valuation

The 2026 property tax bill for 10 Walnut St was $14,674, up 6.5% from the year before.

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	$14,674.00 (+6.46%)	$1,192,000 (+5.77%) Land $791,000 Building $401,000	$1,432,980 (-)
2025	$13,783.00 (+3.13%)	$1,127,000 (+3.3%) Land $753,000 Building $374,000	$1,432,980 (+6.94%)
2024	$13,365.00 (+4.59%)	$1,091,000 (+10.99%) Land $717,000 Building $374,000	$1,339,975
2023	$12,779.00	$983,000 Land $652,000 Building $331,000

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

Flood

FEMA maps place 10 Walnut St in Zone X, an area of minimal flood risk, though there have been 2 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 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

Wildfire risk around 10 Walnut St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 94% of the US · lower than 88% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 226 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 / 250
Astound Broadband Cable	1,500 / 50
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20