40 Summit St, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 40 Summit St, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,536 sqft · built 1903
Lot Size	0.189 acres (8,233 sqft)
Owner	2 Individual Names on File
Last Sale	$333,000 (Feb 2012)
Tax Bill	$8,643 (2025)
Deeds & Mortgages	May 2020 Refinance
Flood Zone	Zone X (minimal risk)
APN	`108341`

Property Details

APN / Parcel Number

Primary APN	`108341`
Alternative APN	`WALT M:050 B:016 L:0015`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,536 sqft Living Area
Gross Area	4,055 sqft
Basement Area	1,200 sqft
Unfinished Basement	600 sqft

Exterior

Year Built	Built 1903
Effective Year Built	Effective 2023
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	8,233 sqft (0.189 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	108341
Street Address	40 SUMMIT ST
City	WALTHAM
State	MA
Zip	02451-0753
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	16
Legal Lot Number	15
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	1
Census Block	1003
Census Tract	368200

Owner

Source: Middlesex County and Waltham City records · APN 108341

Assessment roll updated April 14, 2026 · Last verified July 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 File
Mailing Address	40 SUMMIT ST, WALTHAM, MA 02451-0753
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Feb 17, 2012 · Amount on Record
Deed Sale	Feb 17, 2012 · Amount on Record
Deed Book / Page	58510 / 497
Record Updated	Sep 20, 2026

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	40 SUMMIT ST, WALTHAM, MA 02451-0753
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	74689-1
Date	May 18, 2020
Book Page	74689/1
Instrument	74328

Lender

Name	ENVISION BANK

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	241 Months
Due	Jun 01, 2040

Tax Assessment & Valuation

Source: Middlesex County and Waltham City records · Assessment roll updated April 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$8,643.00 (+31.51%)	$880,100 (+29.1%) Land $412,900 Building $467,200	$814,435 (+13.81%)
2024	$6,572.00 (+2.88%)	$681,700 (+10.13%) Land $412,900 Building $268,800	$715,635
2023	$6,388.00	$619,000 Land $374,700 Building $244,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 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
Nearby Flood Claims	8 (1979–2010)
Claims Outside the SFHA	3 of 8
Most Recent Claim	Mar 2010 · Severe Storms And Flooding
Claims by Event	Severe Storms And Flooding, Mar 2001 · 2 claims

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

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

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Radiate Holdings Cable	1,500 / 50

Based on FCC filings for 265 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

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	WALTHAM WATER DEPARTMENT serves 65,218 people
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 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.