273 Main St, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 273 Main St, Waltham, MA 02453

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 2,473 sqft · built 1955
Lot Size	0.216 acres (9,392 sqft)
Owner	2 Individual Names on File
Last Sale	$435,000 (Jul 2009)
Tax Bill	$8,065 (2025)
Deeds & Mortgages	Jun 2021 Refinance
Flood Zone	Zone X (minimal risk)
APN	`138229`

Property Details

APN / Parcel Number

Primary APN	`138229`
Alternative APN	`WALT M:062 B:012 L:0035`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	2,473 sqft Living Area
Gross Area	2,665 sqft
Basement Area	714 sqft
Finished Basement	714 sqft
Unfinished Basement	714 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	9,392 sqft (0.216 acres)
Pool Type	In-Ground Pool

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	138229
Street Address	273 MAIN ST
City	WALTHAM
State	MA
Zip	02453-6612
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Subdivision	ROASE MILL
Legal Block	12
Legal Lot Number	35
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	3
Census Block	3015
Census Tract	369100

Owner

Source: Middlesex County and Waltham City records · APN 138229

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	273 MAIN ST, WALTHAM, MA 02453-6612
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 14, 2009 · Amount on Record
Deed Sale	Jul 14, 2009 · Amount on Record
Last Transfer Date	Jun 02, 2021
Transfer Doc	077947-530
Record Updated	Sep 20, 2026

June 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Jun 07, 2021
Property Address	273 MAIN ST, WALTHAM, MA 02453-6612
Document Number	077947-527
Book / Page	77947 / 527
Instrument Date	Jun 02, 2021
Instrument	127779
Transaction Type	Transfer
Record Updated	Jan 17, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	273 MAIN ST, WALTHAM, MA 02453-6612

Mortgage

Document Number	077947-530
Date	Jun 07, 2021
Book Page	77947/530
Instrument	127780

Lender

Name	WATERTOWN SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	181 Months
Due	Jul 01, 2036

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	$8,065.00 (+5.37%)	$821,300 (+3.44%) Land $488,400 Building $332,900	$860,130 (+1.16%)
2024	$7,654.00 (-1.11%)	$794,000 (+5.87%) Land $464,800 Building $329,200	$850,250
2023	$7,740.00	$750,000 Land $441,200 Building $308,800

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land within 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 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

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

Based on FCC filings for 534 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.