45 1st Ave, Waltham, MA 02451 Property Records

Middlesex County and Waltham City property record for 45 1st Ave, Waltham, MA 02451

Property Summary

Property Type	Manufacturing (Light)
Details	3 bd · 3.5 ba · 42,458 sqft · built 1960
Lot Size	2.48 acres (108,264 sqft)
Owner	Company Name on File
Last Sale	$46,884,599 (Apr 2022)
Tax Bill	$104,561 (2026)
Deeds & Mortgages	Apr 2022 Sale Jun 2021 Refinance + 1 more
Flood Zone	Zone X (minimal risk)
APN	`39354`

Property Details

APN / Parcel Number

Primary APN	`39354`
Alternative APN	`WALT M:030 B:003 L:0002`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	5 Half Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	42,458 sqft Total Area
Gross Area	42,554 sqft
Basement Area	936 sqft
Unfinished Basement	936 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Architectural Style	Cape Cod
Exterior Material	Brick
Construction Type	Steel Frame
Foundation Type	Slab (Mat/Raft)
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	108,264 sqft (2.48 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	39354
Street Address	45 1ST AVE
City	WALTHAM
State	MA
Zip	02451-1105
Property Category	Industrial
Property Type	Industrial > Manufacturing (Light)
Legal Block	3
Legal Lot Number	2
Jurisdiction	WALTHAM MA
Township / Civil Division	WALTHAM
Census Block Group	3
Census Block	3005
Census Tract	368200

Owner

45 1st Ave, an industrial property, is owned by a company that bought it in April 2022.

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

Owner of Record	Company Name on File
Mailing Address	800 BOYLSTON ST, S2400, BOSTON, MA 02199-8001
Owner Type	Company
Vesting	Company

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

Date	Document
Apr 21, 2022	Quit Claim Deed, Transfer
Jun 17, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance MIDDLESEX SAVINGS BANK
Jun 17, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance MIDDLESEX SAVINGS BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 21, 2022 · Amount on File
Deed Sale	Apr 21, 2022 · Amount on File
Prior Sale	Sep 17, 1998 · Amount on File
Deed Document Number	202259759
Deed Book / Page	80011 / 405
Prior Transfer Date	Apr 19, 2022
Prior Transfer Doc	080011-405
Record Updated	Oct 29, 2026

April 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WALTHAM MA
Recording Date	Apr 21, 2022
Property Address	45 1ST AVE, WALTHAM, MA 02451-1105
Document Number	080011-405
Book / Page	80011 / 405
Instrument Date	Apr 19, 2022
Instrument	59759
Transaction Type	Transfer
Record Updated	May 6, 2022

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	800 BOYLSTON ST STE 2400, 2400, BOSTON, MA 02199-8160

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	45 1ST AVE, WALTHAM, MA 02451-1105
Transaction Type	Mortgage
Record Updated	Jan 17, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	078041-125
Date	Jun 17, 2021
Book Page	78041/125
Instrument	137545

Lender

Name	MIDDLESEX SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WALTHAM MA
Property Address	45 1ST AVE, WALTHAM, MA 02451-1105
Transaction Type	Mortgage
Record Updated	Aug 18, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1883551
Date	Jun 17, 2021
Instrument	1883551

Lender

Name	MIDDLESEX SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 45 1st Ave was $104,561, up 9.2% from the year before.

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	$104,561.00 (+9.21%)	$4,714,200 (+3.6%) Land $3,771,100 Building $943,100
2025	$95,745.00 (+11.77%)	$4,550,600 (+10.02%) Land $3,643,700 Building $906,900
2024	$85,661.00 (+4.82%)	$4,136,200 (+11.1%) Land $3,307,400 Building $828,800
2023	$81,722.00	$3,723,100 Land $3,006,700 Building $716,400

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 45 1st Ave in Zone X, an area of minimal flood risk.

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

Wildfire risk around 45 1st Ave is low, with a 0.01% annual chance of 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	Indirect 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 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 21 locations within half a mile, as of December 31, 2025

Provider	Max 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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