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266 Second Ave, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 266 Second Ave, Waltham, MA 02451 · Last verified April 2026

Property Summary

Property TypeOffice Building
Details3.5 ba · 95,568 sqft · built 1961
Lot Size3.33 acres (145,146 sqft)
Owner2 Company Names on File
Last Sale$154,500,000 (Jun 2023)
Tax Bill$644,243 (2025)
Deeds & MortgagesNov 2024 Refinance
Jun 2023 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN102454

Property Details

APN / Parcel Number

Primary APN102454
Alternative APN
  • WALT M:039 B:002 L:0008

Interior

Full Baths3.5 Baths
Half Baths7 Half Baths
Units4 Units
Stories2 Stories
Building Area95,568 sqft Total Area
Gross Area98,249 sqft

Exterior

Year BuiltBuilt 1961
Effective Year BuiltEffective 1995
Exterior MaterialConcrete Block
Construction TypeSteel Frame
Roof TypeFlat
Roof MaterialOther
Lot Area145,146 sqft (3.33 acres)

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelGas

Location & Zoning

Account Number102454
Street Address266 SECOND AVE
CityWALTHAM
StateMA
Zip02451-1166
Property CategoryCommercial
Property TypeCommercial > Office > Office Building
Legal SubdivisionRTE 128
Legal Block2
Legal Lot Number8
JurisdictionWALTHAM MA
Township / Civil DivisionWALTHAM
Census Block Group3
Census Block3007
Census Tract368200

Owner

Source: Middlesex County and Waltham City records · APN 102454

Assessment roll updated April 14, 2026 · Last verified April 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 File
Mailing Address301 COMMERCE ST, 3300, FORT WORTH, TX 76102-4133
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
Nov 07, 2024Deed of Trust, Mortgage · Stand-Alone Refinance
WELLS FARGO BANK NA
Jun 15, 2023Quit Claim Deed, Transfer · Stand-Alone First Mortgage
MORGAN STANLEY PRIVATE BANK
Jul 13, 2017Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJun 15, 2023 · Amount on Record
Deed SaleJun 15, 2023 · Amount on Record
Prior SaleJul 13, 2017 · Amount on Record
Deed Book / Page81657 / 31
Transfer Doc54905-239
Record UpdatedJun 08, 2026

November 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWALTHAM MA
Property Address266 SECOND AVE, WALTHAM, MA 02451-1166
Transaction TypeMortgage
Record UpdatedFeb 09, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number083445-137
DateNov 07, 2024
Book Page83445/137
Instrument127105
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded

June 2023: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWALTHAM MA
Recording DateJun 15, 2023
Property Address266 SECOND AVE, WALTHAM, MA 02451-1166
Document Number0081657-31
Book / Page81657 / 31
Instrument DateJun 09, 2023
Instrument64093
Transaction TypeTransfer
Record UpdatedFeb 09, 2026

Transaction

AmountAmount Recorded
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address301 COMMERCE ST # STE33, STE33, FORT WORTH, TX 76102-4140

Mortgage

Document Number0000064095
DateJun 15, 2023
Instrument64095
Lender
NameMORGAN STANLEY PRIVATE BANK
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

July 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWALTHAM MA
Recording DateJul 13, 2017
Property Address266 SECOND AVE, WALTHAM, MA 02451-1166
Document Number69595-352
Book / Page069595 / 000352
Instrument DateJul 05, 2017
Instrument109032
Transaction TypeTransfer
Record UpdatedAug 01, 2017

Transaction

AmountAmount Recorded
Tax$323,509.00
Amount AccuracyConfirmed
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address385 E COLORADO BLVD #299 PASADENA CA 911016104, 299, PASADENA, CA 91101-6104

Tax Assessment & Valuation

Source: Middlesex County and Waltham City records · Assessment roll updated April 14, 2026 · Last verified April 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed Value
2025$644,243.00 (+5.34%)$30,619,900 (+3.69%) Land $4,566,700 Building $26,053,200
2024$611,562.00 (+2.72%)$29,529,800 (+8.87%) Land $4,145,100 Building $25,384,700
2023$595,381.00$27,124,400 Land $3,768,300 Building $23,356,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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

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