73 Clark Ln, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 73 Clark Ln, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,921 sqft · built 1920
Lot Size	0.731 acres (31,847 sqft)
Owner	2 Individual Names on File
Last Sale	$550,000 (Nov 1999)
Tax Bill	$10,814 (2026)
Deeds & Mortgages	Feb 2024 Line of Credit Nov 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`25252`

Property Details

APN / Parcel Number

Primary APN	`25252`
Alternative APN	`WALT M:041 B:009 L:0020`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,921 sqft Living Area
Gross Area	5,401 sqft
Basement Area	1,121 sqft
Unfinished Basement	673 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Colonial
Exterior Material	Stucco
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	31,847 sqft (0.731 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	25252
Street Address	73 CLARK LN
City	WALTHAM
State	MA
Zip	02451-1884
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	9
Legal Lot Number	20
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2008
Census Tract	368200

Owner

73 Clark Ln is owned and occupied by two individuals who bought it in November 1999.

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

Owner of Record	2 Individual Names on File
Mailing Address	73 CLARK LN, WALTHAM, MA 02451-1884
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
Feb 5, 2024	Deed of Trust, Mortgage · Line of Credit DIRECT CU
Nov 8, 2017	Quit Claim Deed, Transfer COMMONWEALTH MORTGAGE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 30, 1999 · Amount on File
Deed Sale	Nov 30, 1999 · Amount on File
Prior Sale	Jan 23, 1997 · Amount on File
Transfer Doc	70203-388
Record Updated	Oct 29, 2026

February 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	73 CLARK LN, WALTHAM, MA 02451-1884
Transaction Type	Mortgage
Record Updated	Feb 23, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	082456-473
Date	Feb 5, 2024
Book Page	82456/473
Instrument	11861

Lender

Name	DIRECT CU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	241 Months
Due	Mar 1, 2044

Interest

Rate Type	Adjustable Rate

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Nov 8, 2017
Property Address	73 CLARK LN, WALTHAM, MA 02451-1884
Document Number	70203-385
Book / Page	70203 / 385
Instrument	181797
Transaction Type	Transfer
Record Updated	May 12, 2021

Transaction

Tax	$74.72
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	73 CLARK LN, WALTHAM, MA 02451-1884

Mortgage

Document Number	70203-388
Date	Nov 8, 2017
Book Page	70203/388
Instrument	181798

Lender

Name	COMMONWEALTH MORTGAGE CO
Type	Mortgage Company

Agreement

Amount	Amount on Record
Term	180 Months
Due	Nov 1, 2032

Tax Assessment & Valuation

The 2026 property tax bill for 73 Clark Ln was $10,814, up 9.3% 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	$10,814.00 (+9.27%)	$1,047,900 (+3.98%) Land $508,700 Building $539,200	$1,163,258 (-2.27%)
2025	$9,897.00 (+2.6%)	$1,007,800 (+0.72%) Land $507,700 Building $500,100	$1,190,255 (-11.95%)
2024	$9,646.00 (+0.68%)	$1,000,600 (+7.78%) Land $505,000 Building $495,600	$1,351,850
2023	$9,581.00	$928,400 Land $462,700 Building $465,700

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

Flood

FEMA maps place 73 Clark Ln in Zone X, an area of minimal flood risk.

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	7 in force

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 73 Clark Ln 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 338 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

May also be available: T-Mobile.

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