240 Sidney St, Cambridge, MA 02139 Property Records

Middlesex County and Cambridge City property record for 240 Sidney St, Cambridge, MA 02139

Property Summary

Property Type	Apartments (5+ Units)
Details	4 bd · 2.5 ba · 89,120 sqft · built 2014
Lot Size	1.24 acres (54,114 sqft)
Owner	Company Name on File
Last Sale	$3,000,000 (Sep 1987)
Tax Bill	$324,362 (2025)
Deeds & Mortgages	Dec 2023 Refinance
Flood Zone	Zone X (minimal risk)
APN	`66-152`

Property Details

APN / Parcel Number

Primary APN	`66-152`
Alternative APNs	`CAMB M:00066 L:00152` `M:00066 L:00135`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Units	96 Units
Stories	4 Stories
Building Area	89,120 sqft Living Area
Gross Area	102,176 sqft
1st Floor Area	26,688 sqft
Basement Area	1,540 sqft
Unfinished Basement	1,540 sqft

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Architectural Style	Condo/Apartment
Exterior Material	Brick
Construction Type	Frame
Roof Type	Gable
Roof Material	Other
Lot Area	54,114 sqft (1.24 acres)
Garage Type	Attached

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	240 SIDNEY ST
City	CAMBRIDGE
State	MA
Zip	02139-4248
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	SD-8A
Legal Lot Number	152
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	2
Census Block	2014
Census Tract	353200

Owner

Source: Middlesex County and Cambridge City records · APN 66-152

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	2310 WASHINGTON ST, NEWTON LOWER FALLS, MA 02462-1449
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 28, 1987 · Amount on Record
Deed Sale	Sep 28, 1987 · Amount on Record
Record Updated	Jun 08, 2026

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	240 SIDNEY ST, CAMBRIDGE, MA 02139-4248
Transaction Type	Mortgage
Record Updated	Jan 25, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	082352-106
Date	Dec 28, 2023
Book Page	82352/106
Instrument	147902

Lender

Name	FIRST CITIZEN B&T CO

Agreement

Type	Stand-Alone Refinance
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

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

Year	Tax Bill	Assessed Value
2025	$324,362.00 (+8.44%)	$51,080,600 (+1.1%) Land $12,899,300 Building $38,181,300
2024	$299,111.00 (+3.57%)	$50,525,500 (+2.52%) Land $13,581,500 Building $36,944,000
2023	$288,804.00	$49,284,000 Land $13,938,900 Building $35,345,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Not rated no burnable land within 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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
AT&T Fixed Wireless	100 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Starry, Verizon.

Based on FCC filings for 107 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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.