426 Main St, Unit 1, Waltham, MA 02452 Property Records

Middlesex County and Waltham City property record for 426 Main St, Unit 1, Waltham, MA 02452

Property Summary

Property TypeCondominium
Details3 bd · 2.5 ba · 1,987 sqft · built 2006
Lot Size0.665 acres (28,983 sqft)
Owner2 Individual Names on File
Last Sale$700,000 (Apr 2020)
Tax Bill$7,910 (2026)
Deeds & MortgagesSep 2021 Refinance
Sep 2021 Refinance
+ 2 more
Flood ZoneZone X (minimal risk)
APN211070

Property Details

APN / Parcel Number

Primary APN211070
Alternative APN
  • WALT M:061 B:011 L:0028 001

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms5 Rooms
Stories3 Stories
Building Area1,987 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2006
Effective Year BuiltEffective 2006
Architectural StyleOther
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area28,983 sqft (0.665 acres)
Garage TypeBasement
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number211070
Street Address426 MAIN ST, 1
CityWALTHAM
StateMA
Zip02452-6199
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal SubdivisionEDEN VALE MAIN
Legal Block11
Legal Lot Number28 001
JurisdictionWALTHAM MA
Township / Civil DivisionWALTHAM
Census Block Group4
Census Block4004
Census Tract368800

Owner

426 Main St, Unit 1 is owned and occupied by two individuals who bought it in April 2020.

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

Owner of Record2 Individual Names on File
Mailing Address426 MAIN ST, 1, WALTHAM, MA 02452-6199
OccupancyOwner Occupied
Owner TypeIndividual

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

DateDocument
Sep 1, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
US BANK NA
Sep 1, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
US BANK NA
Apr 27, 2020Condominium Deed, Transfer
NOT AVAILABLE
Dec 15, 2017Quit Claim Deed, Transfer · Conventional Mortgage
STEPHEN M GANSLER

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 27, 2020 · Amount on File
Deed SaleApr 27, 2020 · Amount on File
Prior SaleDec 15, 2017 · Amount on File
Deed Document Number202062104
Deed Book / Page74550 / 226
Transfer Doc0070392-63
Record UpdatedOct 29, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWALTHAM MA
Property Address426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199
Transaction TypeMortgage
Record UpdatedApr 2, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number078607-389
DateSep 1, 2021
Book Page78607/389
Instrument195910
Lender
NameUS BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term121 Months
DueOct 1, 2031

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWALTHAM MA
Property Address426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199
Transaction TypeMortgage
Record UpdatedSep 17, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number78607-389
DateSep 1, 2021
Book Page78607/389
Instrument195910
Lender
NameUS BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term121 Months
DueOct 1, 2031

April 2020: Condominium Deed, Transfer

Document TypeCondominium Deed
JurisdictionWALTHAM MA
Recording DateApr 27, 2020
Property Address426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199
Document Number74550-226
Book / Page074550 / 000226
Instrument DateApr 23, 2020
Instrument62104
Transaction TypeTransfer
Record UpdatedMay 12, 2020
Title CompanyNOT AVAILABLE

Transaction

AmountAmount on Record
Tax$3,192.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address426 MAIN ST #1 WALTHAM MA 024526199, 1, WALTHAM, MA 02452-6199

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWALTHAM MA
Recording DateDec 15, 2017
Property Address426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199
Document Number70392-63
Book / Page070392 / 000063
Instrument DateDec 12, 2017
Instrument3695
Transaction TypeTransfer
Record UpdatedJan 3, 2018

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$2,736.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address426 MAIN ST #1 WALTHAM MA 024526199, 1, WALTHAM, MA 02452-6199

Mortgage

Document Number70392-68
DateDec 15, 2017
Book Page070392/000068
Instrument3696
Lender
NameSTEPHEN M GANSLER
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueDec 14, 2047

Tax Assessment & Valuation

The 2026 property tax bill for 426 Main St, Unit 1 was $7,910, up 8.5% from the year before.

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 ValueAssessed Market Value
2026$7,910.00 (+8.55%)$766,500 (+3.29%) Building $766,500$749,019 (-12.67%)
2025$7,287.00 (+5.5%)$742,100 (+3.57%) Building $742,100$857,660 (+5.44%)
2024$6,907.00 (-3.13%)$716,500 (+3.71%) Building $716,500$813,390
2023$7,130.00$690,900 Building $690,900

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

Flood

FEMA maps place 426 Main St, Unit 1 in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 426 Main St, Unit 1 has no burnable land within ember reach, so its wildfire risk is not rated.

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 534 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber
2,300 / 2,300
Xfinity
Cable
2,000 / 2,000
Astound Broadband
Cable
1,500 / 50

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

Nearby Properties on Main St

Nearby Streets

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