45 Bartlett St, Marlborough, MA 01752 Property Records

Middlesex County and Marlborough City property record for 45 Bartlett St, Marlborough, MA 01752

Property Summary

Property Type	R&D Facility, Laboratory
Details	3 bd · 2.5 ba · 41,262 sqft · built 1970
Lot Size	5.92 acres (257,875 sqft)
Owner	Company Name on Record
Last Sale	$4,953,125 (Oct 2019)
Tax Bill	$81,574 (2025)
Deeds & Mortgages	Oct 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`94073006`

Property Details

APN / Parcel Number

Primary APN	`94073006`
Alternative APN	`MARL M:110 B:005C L:000`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Units	6 Units
Stories	1 Story
Building Area	41,262 sqft Total Area
Gross Area	41,374 sqft
Basement Area	768 sqft
Unfinished Basement	768 sqft

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1970
Architectural Style	Colonial
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	257,875 sqft (5.92 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	94073006
Street Address	45 BARTLETT ST
City	MARLBOROUGH
State	MA
Zip	01752-4171
Property Category	Industrial
Property Type	Industrial > R&D Facility, Laboratory
Local Zoning Code	I
Legal Block	5C
Jurisdiction	MARLBOROUGH MA
Township / Civil Division	MARLBOROUGH
Census Block Group	2
Census Block	2018
Census Tract	321400

Owner

Source: Middlesex County and Marlborough City records, as of April 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free 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	Oct 2, 2019 · Amount on Record
Deed Sale	Oct 2, 2019 · Amount on Record
Prior Sale	Dec 16, 2005 · Amount on Record
Deed Document Number	2019151516
Deed Book / Page	73394 / 357
Prior Transfer Date	Sep 26, 2019
Prior Transfer Doc	0000151516
Record Updated	Oct 29, 2026

October 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARLBOROUGH MA
Recording Date	Oct 2, 2019
Property Address	45 BARTLETT ST, MARLBOROUGH, MA 01752-4171
Document Number	73394-357
Book / Page	073394 / 000357
Instrument Date	Sep 26, 2019
Instrument	151516
Transaction Type	Transfer
Record Updated	Oct 23, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$22,586.25
Amount Accuracy	Confirmed
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	45 BARTLETT ST MARLBOROUGH MA 017524171, MARLBOROUGH, MA 01752-4171

Mortgage

Document Number	73394-363
Date	Oct 2, 2019
Book Page	073394/000363
Instrument	151518

Lender

Name	BANK OF AMERICA
Type	Bank

Agreement

Amount	Amount Recorded

Mortgage

Document Number	73394-383,
Date	Oct 2, 2019
Book Page	073394/000383
Instrument	151519

Lender

Name	BANK OF AMERICA
Type	Bank

Agreement

Amount	Amount Recorded

Tax Assessment & Valuation

Source: Middlesex County and Marlborough City assessment roll, as of April 14, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$81,574.00 (-2.22%)	$4,809,800 (+1.82%) Land $1,358,600 Building $3,451,200
2024	$83,426.00 (-9.98%)	$4,724,000 (+3.58%) Land $1,358,600 Building $3,365,400
2023	$92,675.00	$4,560,800 Land $1,358,600 Building $3,202,200

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 Claims	1 (1979)
Most Recent Claim	Jan 1979 · rainfall accumulation

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	Indirect within ember reach
Adjoins Burnable Land	Yes

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	MARLBOROUGH DPW WATER DIV. (MWRA) serves 41,799 people · EPA ID MA2170000
Water Source	Purchased surface water from MWRA
Last State Inspection	Aug 2024
Lead	1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 15 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fiber	980 / 880

Cell Coverage

5G (outdoors only) and 4G LTE

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