73 Porter St, Cambridge, MA 02141 Property Records

Middlesex County and Cambridge City property record for 73 Porter St, Cambridge, MA 02141

Property Summary

Property Type	Exempt (Full or Partial)
Details	6 bd · 3.5 ba · 2,673 sqft · built 1874
Lot Size	0.057 acres (2,467 sqft)
Owner	Individual Name on Record
Last Sale	$703,000 (Mar 2021)
Tax Bill	$11,511 (2022)
Deeds & Mortgages	Mar 2021 Sale & Mortgage Feb 2021 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`36-258`

Property Details

APN / Parcel Number

Primary APN	`36-258`
Alternative APN	`CAMB M:00036 L:00258`

Interior

Bedrooms	6 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Units	3 Units
Stories	3 Stories
Building Area	2,673 sqft Total Area
Gross Area	4,004 sqft
1st Floor Area	891 sqft
Basement Area	999 sqft
Unfinished Basement	999 sqft

Exterior

Year Built	Built 1874
Effective Year Built	Effective 1874
Architectural Style	Other
Exterior Material	Wood Siding
Construction Type	Brick
Roof Type	Flat
Roof Material	Other
Lot Area	2,467 sqft (0.057 acres)
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	73 PORTER ST
City	CAMBRIDGE
State	MA
Zip	02141-1073
Property Category	Other
Property Type	Other > Exempt (Full or Partial)
Local Zoning Code	C-1
Legal Lot Number	258
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	2
Census Block	2002
Census Tract	352700

Owner

Source: Middlesex County and Cambridge City records, as of July 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	73 PORTER ST, CAMBRIDGE, MA 02141-1073
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 3, 2021	Quit Claim Deed, Transfer · Stand-Alone First Mortgage LEADER BANK NA
Feb 3, 2021	Quit Claim Deed, Transfer · Stand-Alone First Mortgage PEOPLES UNITED BANK
Jan 26, 2021	Quit Claim Deed, Transfer
Nov 30, 2018	Quit Claim Deed, Transfer E CAMBRIDGE SVGS BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 3, 2021 · Amount on Record
Deed Sale	Mar 3, 2021 · Amount on Record
Prior Sale	Feb 3, 2021 · Amount on Record
Deed Book / Page	77129 / 511
Record Updated	Oct 29, 2026

March 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Mar 3, 2021
Property Address	73 PORTER ST, CAMBRIDGE, MA 02141-1073
Document Number	077129-511
Book / Page	77129 / 511
Instrument Date	Mar 3, 2021
Instrument	48124
Transaction Type	Transfer
Record Updated	Jan 26, 2026

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	73 PORTER ST APT 1, 1, CAMBRIDGE, MA 02141-1073

Mortgage

Document Number	0000048125
Date	Mar 3, 2021
Instrument	48125

Lender

Name	LEADER BANK NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

February 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Feb 3, 2021
Property Address	73 PORTER ST, CAMBRIDGE, MA 02141-1073
Document Number	076878-496
Book / Page	76878 / 496
Instrument Date	Jan 21, 2021
Instrument	25522
Transaction Type	Transfer
Record Updated	Jan 26, 2026

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Venture
Address	73 PORTER ST APT 2, 2, CAMBRIDGE, MA 02141-1073

Mortgage

Document Number	0000025523
Date	Feb 3, 2021
Instrument	25523

Lender

Name	PEOPLES UNITED BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Jan 26, 2021
Property Address	73 PORTER ST, CAMBRIDGE, MA 02141-1073
Document Number	076789-179
Book / Page	76789 / 179
Instrument Date	Jan 21, 2021
Instrument	18042
Transaction Type	Transfer
Record Updated	Jan 26, 2026

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	73 PORTER ST APT 3, 3, CAMBRIDGE, MA 02141-1073

November 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Nov 30, 2018
Property Address	73 PORTER ST, CAMBRIDGE, MA 02141-1073
Document Number	71954-426
Book / Page	71954 / 426
Instrument	183317
Transaction Type	Transfer
Record Updated	May 12, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$65.66
Amount Accuracy	Non-Arm's Length Transaction
Additional	Quitclaim Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	719540429
Date	Nov 30, 2018
Instrument	71954/0429

Lender

Name	E CAMBRIDGE SVGS BK
Type	Bank

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Nov 30, 2048

Interest

Max Rate At Change	20.1%

Tax Assessment & Valuation

Source: Middlesex County and Cambridge City assessment roll, as of April 14, 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
2022	$11,511.00

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

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

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

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land 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	CAMBRIDGE WATER DEPARTMENT serves 118,214 people · EPA ID MA3049000
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, 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 566 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Netafy Fixed Wireless	641 / 143
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, Starry, Verizon.

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