10 Trimount Ave, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 10 Trimount Ave, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	5 bd · 5 ba · 2,432 sqft · built 1955
Lot Size	0.055 acres (2,400 sqft)
Owner	2 Individual Names on File
Last Sale	$740,000 (Sep 2022)
Tax Bill	$6,722 (2026)
Deeds & Mortgages	Jan 2023 Refinance Nov 2022 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`113139`

Property Details

APN / Parcel Number

Primary APN	`113139`
Alternative APN	`WALT M:022 B:035 L:0002`

Interior

Bedrooms	5 Beds
Full Baths	5 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,432 sqft Living Area
Basement Area	768 sqft
Unfinished Basement	384 sqft

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1965
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	2,400 sqft (0.055 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	113139
Street Address	10 TRIMOUNT AVE
City	WALTHAM
State	MA
Zip	02451-3077
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	35
Legal Lot Number	2
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	1
Census Block	1002
Census Tract	368102

Owner

10 Trimount Ave is owned and occupied by two individuals who acquired it in November 2022.

Source: Middlesex County and Waltham City records, as of October 20, 2026

Owner of Record	2 Individual Names on File
Mailing Address	10 TRIMOUNT AVE, WALTHAM, MA 02451-3077
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

Date	Document
Jan 5, 2023	Deed of Trust, Mortgage · Stand-Alone Refinance EAST WEST BANK
Nov 14, 2022	Quit Claim Deed, Transfer Quitclaim
Sep 2, 2022	Quit Claim Deed, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 2, 2022 · Amount on File
Deed Sale	Sep 2, 2022 · Amount on File
Prior Sale	Jun 1, 2004 · Amount on File
Deed Document Number	2022135218
Deed Book / Page	80668 / 387
Last Transfer Date	Nov 10, 2022
Transfer Doc	080938-150
Record Updated	Oct 29, 2026

January 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	10 TRIMOUNT AVE, WALTHAM, MA 02451-3077
Transaction Type	Mortgage
Record Updated	Jan 20, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0081137-89
Date	Jan 5, 2023
Book Page	81137/89
Instrument	1491

Lender

Name	EAST WEST BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2053

November 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Nov 14, 2022
Property Address	10 TRIMOUNT AVE, WALTHAM, MA 02451-3077
Document Number	080938-150
Book / Page	80938 / 150
Instrument Date	Nov 10, 2022
Instrument	167321
Transaction Type	Transfer
Record Updated	Dec 2, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	10 TRIMOUNT AVE, WALTHAM, MA 02451-3077

September 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Sep 2, 2022
Property Address	10 TRIMOUNT AVE, WALTHAM, MA 02451-3077
Document Number	080668-387
Book / Page	80668 / 387
Instrument Date	Aug 22, 2022
Instrument	135218
Transaction Type	Transfer
Record Updated	Sep 19, 2022

Transaction

Amount	Amount 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
Address	10 TRIMOUNT AVE, WALTHAM, MA 02451-3077

Tax Assessment & Valuation

The 2026 property tax bill for 10 Trimount Ave was $6,722, up 5.1% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$6,722.00 (+5.15%)	$651,400 (+0.06%) Land $327,900 Building $323,500	$858,383 (-0.09%)
2025	$6,393.00 (+5.41%)	$651,000 (+3.46%) Land $313,000 Building $338,000	$859,180 (+5.62%)
2024	$6,065.00 (+1.35%)	$629,200 (+8.52%) Land $298,100 Building $331,100	$813,485
2023	$5,984.00	$579,800 Land $272,200 Building $307,600

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

Flood

FEMA maps place 10 Trimount Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1978.

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	5 in force
Nearby Flood Claims	6 (1978–2015)
Most Recent Claim	Sep 2015 · 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 Trimount Ave 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 99.1% of the US · lower than 98.7% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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	WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000
Water Source	Purchased surface water from MWRA
Last State Inspection	Jun 2024
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, 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 664 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
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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