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451 Main St, Waltham, MA 02452 Property Records

Middlesex County and Waltham City property record for 451 Main St, Waltham, MA 02452

Property Summary

Property TypeOffice Building
Details1.5 ba · 5,348 sqft · built 1910
Lot Size0.369 acres (16,082 sqft)
OwnerCompany Name on Record
Last Sale$1,150,000 (Jul 2020)
Tax Bill$30,846 (2026)
Deeds & MortgagesJul 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN79603

Property Details

APN / Parcel Number

Primary APN79603
Alternative APN
  • WALT M:061 B:004 L:0005

Interior

Full Baths1.5 Baths
Half Baths3 Half Baths
Units2 Units
Stories2 Stories
Building Area5,348 sqft Total Area
Gross Area8,308 sqft
Basement Area2,160 sqft
Unfinished Basement1,080 sqft

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area16,082 sqft (0.369 acres)

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number79603
Street Address451 MAIN ST
CityWALTHAM
StateMA
Zip02452-6136
Property CategoryCommercial
Property TypeCommercial > Office > Office Building
Legal Block4
Legal Lot Number5
JurisdictionWALTHAM MA
Township / Civil DivisionWALTHAM
Census Block Group1
Census Block1015
Census Tract368902

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 RecordCompany Name on Record
Mailing Address465 WAVERLEY OAKS RD, 216, WALTHAM, MA 02452-8495
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 9, 2020 · Amount on Record
Deed SaleJul 9, 2020 · Amount on Record
Prior SaleMar 9, 2011 · Amount on Record
Deed Document Number2020110036
Deed Book / Page75076 / 408
Prior Transfer DateJul 8, 2020
Prior Transfer Doc75076-408
Record UpdatedOct 29, 2026

July 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWALTHAM MA
Recording DateJul 9, 2020
Property Address451 MAIN ST, WALTHAM, MA 02452-6136
Document Number75076-408
Book / Page075076 / 000408
Instrument DateJul 8, 2020
Instrument110036
Transaction TypeTransfer
Record UpdatedJul 28, 2020
Title CompanyNOT AVAILABLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$5,244.00
Amount AccuracyConfirmed
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address465 WAVERLEY OAKS RD #216 WALTHAM MA 024528495, 216, WALTHAM, MA 02452-8495

Mortgage

Document Number75076-411
DateJul 9, 2020
Book Page075076/000411
Instrument110037
Lender
NameROCKLAND TR
Agreement
AmountAmount Recorded

Tax Assessment & Valuation

Source: Middlesex County and Waltham City assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
MunicipalityWaltham City
Unified School DistrictWaltham School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$30,846.00 (+16.38%)$1,390,700 (+10.4%) Land $623,800 Building $766,900
2025$26,504.00 (+13.75%)$1,259,700 (+11.96%) Land $588,100 Building $671,600
2024$23,301.00$1,125,100 Land $534,700 Building $590,400

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims13 (1978–2010)
Claims Outside the SFHA10 of 13
Most Recent ClaimMar 2010 · Severe Storms And Flooding
Claims by Event
  • Severe Storms And Flooding, Mar 2001 · 11 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 RiskNot 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 SystemWALTHAM WATER DEPARTMENT
serves 65,218 people · EPA ID MA3308000
Water SourcePurchased surface water from MWRA
Last State InspectionJun 2024
Lead2 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 435 locations within half a mile, as of December 31, 2025

ProviderMax 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
AT&T
Fixed Wireless		100 / 20

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