81 Gregory St, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 81 Gregory St, Waltham, MA 02451

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.5 ba · 1,428 sqft · built 1965
Lot Size	0.239 acres (10,402 sqft)
Owner	2 Individual Names on File
Last Sale	$600,000 (Mar 2020)
Tax Bill	$6,592 (2025)
Deeds & Mortgages	Mar 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`48273`

Property Details

APN / Parcel Number

Primary APN	`48273`
Alternative APN	`WALT M:031 B:001 L:0019`

Interior

Bedrooms	4 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,428 sqft Living Area
Gross Area	2,182 sqft
1st Floor Area	1,264 sqft
Basement Area	700 sqft
Unfinished Basement	700 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1965
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	10,402 sqft (0.239 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	48273
Street Address	81 GREGORY ST
City	WALTHAM
State	MA
Zip	02451-2151
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Block	1
Legal Lot Number	19
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2013
Census Tract	368102

Owner

Source: Middlesex County and Waltham City assessment roll, as of April 14, 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	81 GREGORY ST, WALTHAM, MA 02451-2151
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 5, 2020 · Amount on Record
Deed Sale	Mar 5, 2020 · Amount on Record
Prior Sale	Aug 10, 2012 · Amount on Record
Deed Document Number	202033851
Deed Book / Page	74242 / 501
Record Updated	Sep 20, 2026

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Mar 5, 2020
Property Address	81 GREGORY ST, WALTHAM, MA 02451-2151
Document Number	74242-501
Book / Page	74242 / 501
Instrument Date	Feb 26, 2020
Instrument	33851
Transaction Type	Transfer
Record Updated	May 12, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV 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	81 GREGORY ST, WALTHAM, MA 02451-2151

Mortgage

Document Number	33852
Date	Mar 5, 2020
Instrument	33852

Lender

Name	HARVARD UNIVERSITY CREDIT UNION

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

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
2025	$6,592.00 (+5.3%)	$671,300 (+3.37%) Land $390,300 Building $281,000	$761,710 (-6.53%)
2024	$6,260.00 (+1.16%)	$649,400 (+8.31%) Land $371,700 Building $277,700	$814,910
2023	$6,188.00	$599,600 Land $339,400 Building $260,200

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 Policies	8 in force
Nearby Flood Claims	1 (1978)
Most Recent Claim	Feb 1978 · tidal / storm surge

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	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 549 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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20