45 Sidney St, #75, Cambridge, MA 02139 Property Records

Middlesex County and Cambridge City property record for 45 Sidney St, #75, Cambridge, MA 02139

Property Summary

Property Type	General Industrial
Lot Size	2.11 acres (91,967 sqft)
Owner	Company Name on File
Tax Bill	$3,803,557 (2025)
Deeds & Mortgages	Jun 2025 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`92-127`

Property Details

APN / Parcel Number

Primary APN	`92-127`
Alternative APN	`CAMB M:00092 L:00127`

Exterior

Lot Area	91,967 sqft (2.11 acres)
Loading Dock	Loading Dock
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Street Address	45 SIDNEY ST, 75
City	CAMBRIDGE
State	MA
Zip	02139-4133
Property Category	Industrial
Property Type	Industrial > General Industrial
Local Zoning Code	CRDD
Legal Lot Number	127
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	4
Census Block	4001
Census Tract	353200

Owner

Source: Middlesex County and Cambridge City records · APN 92-127

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	Company Name on File
Mailing Address	1 BROADWAY, CAMBRIDGE, MA 02142-1100
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Jun 08, 2026

June 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	45 SIDNEY ST # 75, 75, CAMBRIDGE, MA 02139-4133
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	084198-119
Date	Jun 06, 2025
Book Page	84198/119
Instrument	64197

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Amount	Amount Recorded

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill
2025	$3,803,557.00 (+33.85%)
2021	$2,841,581.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), as of September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Starry.

Based on FCC filings for 910 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system MA3049000, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CAMBRIDGE WATER DEPARTMENT serves 118,214 people
Water Source	Surface water
Last State Inspection	Jun 2023
Lead	8 ppb (2021–2023) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.