35 Hersom St, Watertown, MA 02472 Property Records

Middlesex County and Watertown City property record for 35 Hersom St, Watertown, MA 02472

Property Summary

Property TypeDuplex
Details4 bd · 2.5 ba · 1,612 sqft · built 1905
Lot Size0.138 acres (6,000 sqft)
Owner2 Company Names on Record
Last Sale$455,000 (Nov 2003)
Tax Bill$12,686 (2026)
Deeds & MortgagesDec 2025 Transfer
May 2021 Refinance
+ 1 more
Flood ZoneZone X (minimal risk)
APN31680-31

Property Details

APN / Parcel Number

Primary APN31680-31
Alternative APNs
  • WATE M:0608 B:0013 L:0322
  • 7920

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Units2 Units
Stories2 Stories
Building Area1,612 sqft Living Area
Gross Area2,882 sqft
Basement Area806 sqft
Unfinished Basement806 sqft

Exterior

Year BuiltBuilt 1905
Effective Year BuiltEffective 1905
Architectural StyleOther
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGambrel
Roof MaterialAsphalt
Lot Area6,000 sqft (0.138 acres)
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas

Location & Zoning

Account Number7920
Street Address35 HERSOM ST
CityWATERTOWN
StateMA
Zip02472-1610
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeT
Legal SubdivisionBATES ESTATE
Legal Block13
Legal Lot Number322
JurisdictionWATERTOWN MA
Township / Civil DivisionWATERTOWN TOWN
Census Block Group3
Census Block3004
Census Tract370101

Owner

Source: Middlesex County and Watertown 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 Record2 Company Names on Record
Mailing Address35 HERSOM ST, WATERTOWN, MA 02472-1610
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Dec 10, 2025Quit Claim Deed, Transfer
Quitclaim
May 28, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
HARBORONE MORTGAGE
Apr 18, 2019Deed of Trust, Mortgage · Line of Credit
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 21, 2003 · Amount on Record
Deed SaleNov 21, 2003 · Amount on Record
Prior SaleJun 2, 1998 · Amount on Record
Deed Book / Page1475 / 601
Last Transfer DateDec 5, 2025
Transfer Doc084986-225
Record UpdatedOct 29, 2026

December 2025: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWATERTOWN MA
Recording DateDec 10, 2025
Property Address35 HERSOM ST, WATERTOWN, MA 02472-1610
Document Number084986-225
Book / Page84986 / 225
Instrument DateDec 5, 2025
Instrument151267
Transaction TypeTransfer
Record UpdatedDec 31, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address35 HERSOM ST, WATERTOWN, MA 02472-1610

May 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWATERTOWN MA
Property Address35 HERSOM ST, WATERTOWN, MA 02472-1610
Transaction TypeMortgage
Record UpdatedJun 11, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number77892-132
DateMay 28, 2021
Book Page77892/132
Instrument122120
Lender
NameHARBORONE MORTGAGE
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueJun 1, 2051

April 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWATERTOWN MA
Property Address35 HERSOM ST, WATERTOWN, MA 02472-1610
Document Number72568-314
Instrument DateApr 18, 2019
Transaction TypeMortgage
Record UpdatedMay 28, 2019
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address35 HERSOM ST WATERTOWN MA 024721610, WATERTOWN, MA 02472-1610

Mortgage

Document Number72568-314
DateMay 8, 2019
Book Page072568/000314
Instrument58904
Lender
NameBANK OF AMERICA
TypeBank
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueMay 7, 2049
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
MunicipalityWatertown City
Unified School DistrictWatertown School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$12,686.00 (+12.91%)$1,039,800 (+8.1%) Land $530,700 Building $509,100$920,746
2025$11,235.00 (+3.77%)$961,900 (+3.94%) Land $530,700 Building $431,200
2024$10,827.00 (-11.3%)$925,400 (+2.96%) Land $517,000 Building $408,400
2023$12,206.00$898,800 Land $494,600 Building $404,200

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force
Nearby Flood Claims1 (1978)
Most Recent ClaimFeb 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 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 SystemWATERTOWN DEPARTMENT OF PUBLIC WORKS
serves 35,985 people · EPA ID MA3314000
Water SourcePurchased surface water from MWRA
Last State InspectionOct 2025
Lead1 ppb (2025)
action level 15 ppb

Violations Reported to EPA

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

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
Astound Broadband
Cable
1,500 / 50
Verizon
Fiber · Fixed Wireless in parts of the area
980 / 880

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

Cell Coverage

5G (outdoors only) and 4G LTE

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