301 Bear Hill Rd, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 301 Bear Hill Rd, Waltham, MA 02451

Property Summary

Property Type	R&D Facility, Laboratory
Details	2 ba · 23,400 sqft · built 1964
Lot Size	1.61 acres (70,180 sqft)
Owner	Company Name on Record
Last Sale	$3,175,000 (May 2016)
Tax Bill	$138,967 (2026)
Deeds & Mortgages	Aug 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`WALT M:039 B:002 L:0012`

Property Details

APN / Parcel Number

Primary APN	`WALT M:039 B:002 L:0012`
Alternative APN	`9225`

Interior

Full Baths	2 Baths
Half Baths	4 Half Baths
Units	2 Units
Stories	2 Stories
Building Area	23,400 sqft Total Area
Gross Area	23,700 sqft

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1990
Exterior Material	Brick
Construction Type	Steel Frame
Foundation Type	Slab (Mat/Raft)
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	70,180 sqft (1.61 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	9225
Street Address	301 BEAR HILL RD
City	WALTHAM
State	MA
Zip	02451
Property Category	Industrial
Property Type	Industrial > R&D Facility, Laboratory
Legal Block	2
Legal Lot Number	12
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	3
Census Block	3007
Census Tract	368200

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 Record	Company Name on Record
Mailing Address	107 AUDUBON RD, 2, WAKEFIELD, MA 01880-1245
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 26, 2016 · Amount on Record
Deed Sale	May 26, 2016 · Amount on Record
Prior Sale	Oct 5, 2006 · Amount on Record
Deed Book / Page	67320 / 385
Last Transfer Date	Aug 4, 2021
Transfer Doc	78441-241
Record Updated	Oct 29, 2026

August 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Aug 10, 2021
Property Address	301 BEAR HILL RD, WALTHAM, MA 02451
Document Number	78441-241
Book / Page	78441 / 241
Instrument Date	Aug 4, 2021
Instrument	179268
Transaction Type	Transfer
Record Updated	Aug 27, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	303 BEAR HILL RD, WALTHAM, MA 02451-1016

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value
2026	$138,967.00 (+7.99%)	$6,265,400 (+2.44%) Land $2,784,700 Building $3,480,700
2025	$128,685.00 (+12.58%)	$6,116,200 (+10.81%) Land $2,690,600 Building $3,425,600
2024	$114,309.00 (+5.79%)	$5,519,500 (+12.12%) Land $2,442,200 Building $3,077,300
2023	$108,055.00	$4,922,800 Land $2,220,200 Building $2,702,600

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 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 Risk	Low lower than 80% of the US · above 57% of Massachusetts
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 System	WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000
Water Source	Purchased surface water from MWRA
Last State Inspection	Jun 2024
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 44 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50

May also be available: T-Mobile, Verizon.

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