331 Trapelo Rd, Belmont, MA 02478 Property Records

Middlesex County and Belmont Town property record for 331 Trapelo Rd, Belmont, MA 02478

Property Summary

Property Type	Office Building
Details	5 bd · 2 ba · 2,030 sqft · built 1929
Lot Size	0.105 acres (4,553 sqft)
Owner	Company Name on File
Last Sale	$639,000 (Jun 2005)
Tax Bill	$11,868 (2025)
Deeds & Mortgages	Sep 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`BELM M:14 P:000069 S`

Property Details

APN / Parcel Number

Primary APN	`BELM M:14 P:000069 S`

Interior

Bedrooms	5 Beds
Full Baths	2 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Stories	3 Stories
Building Area	2,030 sqft Total Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1929
Exterior Material	Wood Siding
Lot Area	4,553 sqft (0.105 acres)
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Street Address	331 TRAPELO RD
City	BELMONT
State	MA
Zip	02478-1856
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Local Zoning Code	LB3
Jurisdiction	BELMONT MA
Township / Civil Division	BELMONT
Census Block Group	4
Census Block	4008
Census Tract	357700

Owner

Source: Middlesex County and Belmont Town records · APN BELM M:14 P:000069 S

Assessment roll updated April 14, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	333 TRAPELO RD, BELMONT, MA 02478-1856
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 27, 2005 · Amount on Record
Deed Sale	Jun 27, 2005 · Amount on Record
Prior Sale	Mar 05, 1996 · Amount on Record
Deed Book / Page	1302 / 140
Record Updated	Sep 20, 2026

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BELMONT MA
Property Address	331 TRAPELO RD, BELMONT, MA 02478
Document Number	0000023651
Instrument Date	Sep 14, 2019
Transaction Type	Mortgage
Record Updated	Oct 02, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	331 TRAPELO RD BELMONT MA 02478, BELMONT, MA 02478

Mortgage

Document Number	0000023651
Date	Sep 17, 2019
Instrument	23651

Lender

Name	TD BK NA
Type	Bank

Agreement

Amount	Amount Recorded

Tax Assessment & Valuation

Source: Middlesex County and Belmont Town records · Assessment roll updated April 14, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$11,868.00 (+4.96%)	$1,042,000 (+3.58%) Land $689,000 Building $353,000
2023	$11,307.00	$1,006,000 Land $661,000 Building $345,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T, Radiate Holdings.

Based on FCC filings for 1,029 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	BELMONT WATER DEPT. (MWRA) serves 27,442 people
Water Source	Purchased surface water from MWRA
Last State Inspection	Jul 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	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.