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40 Sylvan Rd, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 40 Sylvan Rd, Waltham, MA 02451

Property Summary

Property TypeCommercial Condominium
Details10 ba · 344,469 sqft · built 2008
Lot Size54.4 acres (2,373,525 sqft)
OwnerCompany Name on Record
Last Sale$210,000,000 (Aug 2020)
Tax Bill$1,819,534 (2026)
Deeds & MortgagesAug 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN211608

Property Details

APN / Parcel Number

Primary APN211608
Alternative APN
  • WALT M:029 B:001 L:0003 002

Interior

Full Baths10 Baths
Half Baths20 Half Baths
Stories3 Stories
Building Area344,469 sqft Total Area

Exterior

Year BuiltBuilt 2008
Effective Year BuiltEffective 2008
Exterior MaterialConcrete Block
Construction TypeSteel Frame
Roof TypeFlat
Roof MaterialOther
Lot Area2,373,525 sqft (54.4 acres)

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number211608
Street Address40 SYLVAN RD
CityWALTHAM
StateMA
Zip02451-1120
Property CategoryCommercial
Property TypeCommercial > Retail > Commercial Condominium
Legal SubdivisionRESERVOIR WOODS EAST CAMPUS PR
Legal Block1
Legal Lot Number3 002
JurisdictionWALTHAM MA
Township / Civil DivisionWALTHAM
Census Block Group3
Census Block3003
Census Tract368200

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordCompany Name on Record
Mailing AddressPO BOX 847, CARLSBAD, CA 92018-0847
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 26, 2020 · Amount on Record
Deed SaleAug 26, 2020 · Amount on Record
Prior SaleDec 14, 2006 · Amount on Record
Deed Document Number2020146716
Deed Book / Page75455 / 512
Prior Transfer DateAug 25, 2020
Prior Transfer Doc75455-512
Record UpdatedOct 29, 2026

August 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWALTHAM MA
Recording DateAug 26, 2020
Property Address40 SYLVAN RD, WALTHAM, MA 02451-1120
Document Number75455-512
Book / Page075455 / 000512
Instrument DateAug 25, 2020
Instrument146716
Transaction TypeTransfer
Record UpdatedSep 15, 2020
Title CompanyNOT AVAILABLE

Transaction

AmountAmount Recorded
Tax$957,600.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address26 N EUCLID AVE PASADENA CA 911011961, PASADENA, CA 91101-1961

Mortgage

Document Number75455-533
DateAug 26, 2020
Book Page075455/000533
Instrument146721
Lender
NameARE MA REGION 82
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$1,819,534.00 (+9.14%)$82,034,900 (+3.53%) Building $82,034,900
2025$1,667,098.00 (-1.87%)$79,234,700 (-3.41%) Building $79,234,700
2024$1,698,943.00 (-3.23%)$82,034,900 (+2.57%) Building $82,034,900
2023$1,755,585.00$79,981,100 Building $79,981,100

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

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 Policies2 in force

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 RiskLow
lower than 80% of the US · above 57% of Massachusetts
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
AT&T
Fixed Wireless		100 / 20

May also be available: T-Mobile, Verizon.

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