145 Brown St, Waltham, MA 02453 Property Records

Middlesex County and Waltham City property record for 145 Brown St, Waltham, MA 02453

Property Summary

Property TypeApartments (5+ Units)
Details6 bd · 2 ba · 3,050 sqft · built 1900
Lot Size0.138 acres (5,998 sqft)
OwnerCompany Name on File
Last Sale$4,025,000 (Dec 2016)
Tax Bill$13,130 (2026)
Deeds & MortgagesApr 2023 Mortgage
Dec 2019 Refinance
Flood ZoneZone X (minimal risk)
APN15717

Property Details

APN / Parcel Number

Primary APN15717
Alternative APN
  • WALT M:077 B:009 L:0007

Interior

Bedrooms6 Beds
Full Baths2 Baths
Total Rooms15 Rooms
Units5 Units
Stories2 Stories
Building Area3,050 sqft Living Area
Gross Area5,525 sqft
Basement Area1,301 sqft
Unfinished Basement1,301 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeHip
Roof MaterialAsphalt
Lot Area5,998 sqft (0.138 acres)
Garage TypeAttached

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas

Location & Zoning

Account Number15717
Street Address145 BROWN ST
CityWALTHAM
StateMA
Zip02453-5118
Property CategoryResidential
Property TypeResidential > Multi-Unit > Apartments (5+ Units)
Legal Block9
Legal Lot Number7
JurisdictionWALTHAM MA
Township / Civil DivisionWALTHAM
Census Block Group3
Census Block3004
Census Tract368600

Owner

145 Brown St, a residential property, is owned by a company that bought it in December 2016.

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

Owner of RecordCompany Name on File
Mailing Address17 IVALOO ST, 100, SOMERVILLE, MA 02143-3658
Owner TypeCompany
VestingCompany

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
Apr 28, 2023Deed of Trust, Mortgage · ARM
FIRST REPUBLIC BANK
Dec 10, 2019Deed of Trust, Mortgage · Stand-Alone Refinance
JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 7, 2016 · Amount on File
Deed SaleDec 7, 2016 · Amount on File
Deed Book / Page68550 / 446
Record UpdatedOct 29, 2026

April 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWALTHAM MA
Property Address145 BROWN ST, WALTHAM, MA 02453-5118
Transaction TypeMortgage
Record UpdatedJan 26, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number081473-213
DateApr 28, 2023
Book Page81473/213
Instrument42965
Lender
NameFIRST REPUBLIC BANK
TypeBank
Agreement
TypeARM
AmountAmount on Record
Term361 Months
DueMay 1, 2053
Interest
Rate TypeAdjustable Rate
Rate4.7%
Type Change DateJul 1, 2028
Index1-Year CMT

December 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWALTHAM MA
Property Address145 BROWN ST, WALTHAM, MA 02453-5118
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number73796-434
DateDec 10, 2019
Book Page73796/434
Instrument194865
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 145 Brown St was $13,130, up 13% 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 Value
2026$13,130.00 (+12.96%)$1,272,300 (+7.49%) Land $509,300 Building $763,000
2025$11,624.00 (+11.16%)$1,183,700 (+9.13%) Land $485,000 Building $698,700
2024$10,457.00 (-0.5%)$1,084,700 (+6.51%) Land $420,000 Building $664,700
2023$10,510.00$1,018,400 Land $400,000 Building $618,400

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 145 Brown St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1978.

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 Claims2 (1978–1982)
Claims Outside the SFHA1 of 2
Most Recent ClaimJun 1982 · rainfall accumulation

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

The area around 145 Brown St 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 812 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 · Fiber in parts of the area
1,500 / 50
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T.

Nearby Properties on Brown St

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