45 Walnut St, Somerville, MA 02143 Property Records

Middlesex County and Somerville City property record for 45 Walnut St, Somerville, MA 02143

Property Summary

Property Type	Duplex
Details	5 bd · 5 ba · 3,799 sqft · built 1890
Lot Size	0.225 acres (9,820 sqft)
Owner	2 Individual Names on File
Last Sale	$120,000 (Mar 2013)
Tax Bill	$24,220 (2025)
Deeds & Mortgages	Jul 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`80-F-20`

Property Details

APN / Parcel Number

Primary APN	`80-F-20`
Alternative APNs	`SOME M:80 B:F L:20` `7279204`

Interior

Bedrooms	5 Beds
Full Baths	5 Baths
Half Baths	2 Half Baths
Total Rooms	14 Rooms
Units	2 Units
Stories	3 Stories
Building Area	3,799 sqft Living Area
Gross Area	6,809 sqft

Exterior

Year Built	Built 1890
Effective Year Built	Effective 1890
Architectural Style	Duplex Single
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Slate
Lot Area	9,820 sqft (0.225 acres)
Parking Spaces	3 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	7279204
Street Address	45 WALNUT ST
City	SOMERVILLE
State	MA
Zip	02143-2026
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RA
Legal Block	F
Legal Lot Number	20
Jurisdiction	SOMERVILLE MA
Township / Civil Division	SOMERVILLE
Census Block Group	2
Census Block	2006
Census Tract	351300

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Individually Listed	Niles, Louville, House listed 1989 · 1 contributing resources · NRIS 89001295

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

45 Walnut St, a duplex, is owned and occupied by two individuals who bought it in March 2013.

Source: Middlesex County and Somerville City records, as of April 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	45 WALNUT ST, SOMERVILLE, MA 02143-2026
Occupancy	Owner Occupied
Owner Type	Individual

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	Mar 27, 2013 · Amount on File
Deed Sale	Mar 27, 2013 · Amount on File
Prior Sale	Mar 27, 2013 · Amount on File
Deed Book / Page	61479 / 479
Record Updated	Jun 8, 2026

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERVILLE MA
Property Address	45 WALNUT ST, SOMERVILLE, MA 02143-2026
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	69603-447
Date	Jul 14, 2017
Book Page	69603/447
Instrument	110013

Lender

Name	MIT FEDERAL CU
Type	Credit Union

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 45 Walnut St was $24,220, up 7.4% from the year before.

Source: Middlesex County and Somerville City assessment roll, as of April 14, 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
Municipality	Somerville City
Unified School District	Somerville School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$24,220.00 (+7.41%)	$2,220,000 (+3.57%) Land $880,200 Building $1,339,800
2024	$22,550.00 (+2.84%)	$2,143,500 (+1.08%) Land $880,200 Building $1,263,300
2023	$21,927.00	$2,120,600 Land $880,200 Building $1,240,400

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 45 Walnut St in Zone X, an area of minimal flood risk.

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

The area around 45 Walnut 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	SOMERVILLE WATER DEPT. (MWRA) serves 81,045 people · EPA ID MA3274000
Water Source	Purchased surface water from MWRA
Last State Inspection	Oct 2025
Lead	4 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line replacement currently in violation since Nov 2019
Monitoring and Reporting	1 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 1,083 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
Netafy Fixed Wireless	641 / 143
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Starry.

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