1601 Trapelo Rd, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 1601 Trapelo Rd, Waltham, MA 02451 · Last verified April 2026

Property Summary

Property Type	Office Building
Details	4 bd · 13 ba · 561,437 sqft · built 1950
Lot Size	33.5 acres (1,460,567 sqft)
Owner	2 Company Names on File
Tax Bill	$2,588,410 (2025)
Flood Zone	Zone X (minimal risk)
APN	`114851`

Property Details

APN / Parcel Number

Primary APN	`114851`
Alternative APN	`WALT M:006 B:001 L:0002`

Interior

Bedrooms	4 Beds
Full Baths	13 Baths
Half Baths	20 Half Baths
Total Rooms	10 Rooms
Units	91 Units
Stories	3 Stories
Building Area	561,437 sqft Total Area
Gross Area	825,899 sqft
1st Floor Area	1,975 sqft
Basement Area	1,948 sqft
Unfinished Basement	952 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1980
Exterior Material	Aluminum/Vinyl
Construction Type	Steel Frame
Roof Type	Flat
Roof Material	Other
Lot Area	1,460,567 sqft (33.5 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Steam
Heating Fuel	Gas

Location & Zoning

Account Number	114851
Street Address	1601 TRAPELO RD
City	WALTHAM
State	MA
Zip	02451-7333
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Legal Block	1
Legal Lot Number	2
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	2
Census Block	2003
Census Tract	368102

Owner

Source: Middlesex County and Waltham City records · APN 114851

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 Record	2 Company Names on File
Mailing Address	800 BOYLSTON ST, 1900, BOSTON, MA 02199-8101
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 24, 2009
Deed Sale	Jul 24, 2009
Deed Document Number	2009144147
Deed Book / Page	53262 / 35
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
Municipality	Waltham City
Unified School District	Waltham School District (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$2,588,410.00 (-8.5%)	$123,023,300 Land $34,116,300 Building $88,907,000
2024	$2,828,916.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173681022, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	8 in force
Nearby Flood Claims	1 (1978)
Most Recent Claim	Feb 1978, tidal / storm surge

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 192 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 2,000
Radiate Holdings	Cable	1,500 / 50
Verizon	Fiber	980 / 880

May also be available at this address: T-Mobile USA, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.