250 Weston St, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 250 Weston St, Waltham, MA 02453 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.5 ba · 2,418 sqft · built 1965
Lot Size	0.289 acres (12,589 sqft)
Owner	2 Individual Names on File
Last Sale	$475,750 (Oct 2017)
Tax Bill	$7,675 (2025)
Deeds & Mortgages	Sep 2021 Line of Credit Jul 2022 Refinance + 2 more
Flood Zone	Zone X (minimal risk)
APN	`123422`

Property Details

APN / Parcel Number

Primary APN	`123422`
Alternative APN	`WALT M:057 B:021 L:0014`

Interior

Bedrooms	4 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,418 sqft Living Area
Gross Area	2,984 sqft
Basement Area	825 sqft
Unfinished Basement	825 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	12,589 sqft (0.289 acres)
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	123422
Street Address	250 WESTON ST
City	WALTHAM
State	MA
Zip	02453-1711
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	WALTHAM
Legal Block	21
Legal Lot Number	14
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	3
Census Block	3001
Census Tract	368400

Owner

Source: Middlesex County and Waltham City records · APN 123422

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	250 WESTON ST, WALTHAM, MA 02453-1711
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 14, 2021	Deed of Trust, Mortgage · Line of Credit MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Jul 28, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Oct 28, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance MORTGAGE EQUITY PARTNERS LLC
Aug 29, 2018	Deed of Trust, Mortgage · Line of Credit INST & TECH MASS

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 30, 2017 · Amount on Record
Deed Sale	Oct 30, 2017 · Amount on Record
Deed Book / Page	70150 / 305
Record Updated	Sep 20, 2026

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	250 WESTON ST, WALTHAM, MA 02453-1711
Transaction Type	Mortgage
Record Updated	Jan 26, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	078693-501
Date	Sep 14, 2021
Book Page	78693/501
Instrument	204304

Lender

Name	MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	250 WESTON ST, WALTHAM, MA 02453-1711
Transaction Type	Mortgage
Record Updated	Jan 26, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	080497-359
Date	Jul 28, 2022
Book Page	80497/359
Instrument	115080

Lender

Name	MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	241 Months
Due	Aug 01, 2042

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	250 WESTON ST, WALTHAM, MA 02453-1711
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	76014-270
Date	Oct 28, 2020
Book Page	76014/270
Instrument	198813

Lender

Name	MORTGAGE EQUITY PARTNERS LLC
Type	Mortgage Company

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2050

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	250 WESTON ST, WALTHAM, MA 02453-1711
Document Number	71571-513
Instrument Date	Aug 29, 2018
Transaction Type	Mortgage
Record Updated	Sep 27, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	250 WESTON ST WALTHAM MA 024531711, WALTHAM, MA 02453-1711

Mortgage

Document Number	71571-513
Date	Sep 04, 2018
Book Page	071571/000513
Instrument	136295

Lender

Name	INST & TECH MASS

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Sep 03, 2038

Interest

Rate Type	Adjustable Rate

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	$7,675.00 (+3.34%)	$781,600 (+1.45%) Land $460,000 Building $321,600	$829,445 (-)
2024	$7,427.00 (+1.63%)	$770,400 (+8.8%) Land $451,500 Building $318,900	$829,445
2023	$7,308.00	$708,100 Land $408,900 Building $299,200

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173684003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	1 in force
Nearby Flood Claims	8 (1979–2010)
Claims Outside the SFHA	1 of 8
Most Recent Claim	Mar 2010, river or lake flooding, Severe Storms And Flooding

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond 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, availability as of December 31, 2025 · Published October 2026 · based on 645 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Verizon	Fiber	2,300 / 2,300
Xfinity	Cable	2,000 / 2,000
Radiate Holdings	Cable	1,500 / 50
T-Mobile USA	Fixed Wireless	100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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