12 Carleton Rd, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 12 Carleton Rd, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,426 sqft · built 2004
Lot Size	0.115 acres (5,001 sqft)
Owner	2 Individual Names on File
Last Sale	$610,000 (Mar 2005)
Tax Bill	$10,329 (2025)
Flood Zone	Zone X (minimal risk)
APN	`18625`

Property Details

APN / Parcel Number

Primary APN	`18625`
Alternative APN	`WALT M:049 B:002 L:0008`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,426 sqft Living Area
Gross Area	3,864 sqft
Basement Area	933 sqft
Unfinished Basement	373 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2004
Effective Year Built	Effective 2004
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	5,001 sqft (0.115 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	18625
Street Address	12 CARLETON RD
City	WALTHAM
State	MA
Zip	02451-2904
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	2
Legal Lot Number	8
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2002
Census Tract	368200

Owner

Source: Middlesex County and Waltham City records · APN 18625

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	12 CARLETON RD, WALTHAM, MA 02451-2904
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 21, 2005 · Amount on Record
Deed Sale	Mar 21, 2005 · Amount on Record
Deed Document Number	200555268
Deed Book / Page	44837 / 201
Record Updated	Sep 20, 2026

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	$10,329.00 (+2.61%)	$1,051,800 (+0.73%) Land $378,000 Building $673,800	$976,030 (+1.7%)
2024	$10,066.00 (+0.89%)	$1,044,200 (+8.01%) Land $378,000 Building $666,200	$959,690
2023	$9,977.00	$966,800 Land $343,000 Building $623,800

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 Policies	7 in force

Wildfire

Wildfire Risk	Low lower than 93% of the US · lower than 83% of Massachusetts
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

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.