12 Sunset Rd, Waltham, MA 02451 Property Records

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

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,410 sqft · built 1939
Lot Size	0.144 acres (6,255 sqft)
Owner	2 Individual Names on Record
Last Sale	$30,000 (Jun 1973)
Tax Bill	$8,662 (2026)
Deeds & Mortgages	Nov 2017 Mortgage Apr 2020 Refinance + 1 more
Flood Zone	Zone X (minimal risk)
APN	`109117`

Property Details

APN / Parcel Number

Primary APN	`109117`
Alternative APN	`WALT M:050 B:022 L:0004`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,410 sqft Living Area
Gross Area	2,186 sqft
Basement Area	672 sqft
Unfinished Basement	672 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 2022
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,255 sqft (0.144 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	109117
Street Address	12 SUNSET RD
City	WALTHAM
State	MA
Zip	02451-0713
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	22
Legal Lot Number	4
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	1
Census Block	1016
Census Tract	368200

Owner

Source: Middlesex County and Waltham City records, as of October 20, 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 Record
Mailing Address	12 SUNSET RD, WALTHAM, MA 02451-0713
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

Deeds, Mortgages & Sale History

Date	Document
Nov 7, 2017	Deed of Trust, Mortgage UNITED WHOLESALE MORTGAGE
Apr 24, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance UNITED WHOLESALE MORTGAGE
Jan 11, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance QUICKEN LOANS INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 1, 1973 · Amount on Record
Deed Sale	Jun 1, 1973 · Amount on Record
Record Updated	Oct 29, 2026

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	12 SUNSET RD, WALTHAM, MA 02451-0713
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	70196-222
Date	Nov 7, 2017
Book Page	70196/222
Instrument	180955

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2047

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	12 SUNSET RD, WALTHAM, MA 02451-0713
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	74526-568
Date	Apr 24, 2020
Book Page	74526/568
Instrument	60050

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2050

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	12 SUNSET RD, WALTHAM, MA 02451-0713
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76661-546
Date	Jan 11, 2021
Book Page	76661/546
Instrument	5939

Lender

Name	QUICKEN LOANS INC
Type	Lending Institution

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

Tax Assessment & Valuation

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	$8,662.00 (+11.48%)	$839,300 (+6.08%) Land $411,100 Building $428,200	$836,713 (+18.78%)
2025	$7,770.00 (+21.77%)	$791,200 (+19.53%) Land $391,500 Building $399,700	$704,425 (+6.71%)
2024	$6,381.00 (+1.74%)	$661,900 (+8.9%) Land $391,500 Building $270,400	$660,155
2023	$6,272.00	$607,800 Land $355,300 Building $252,500

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

Flood

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 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

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

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	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 701 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 · Fiber in parts of the area	1,500 / 50

May also be available: AT&T, T-Mobile.

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