39 Porter Rd, Cambridge, MA 02140 Property Records

Middlesex County and Cambridge City property record for 39 Porter Rd, Cambridge, MA 02140

Property Summary

Property Type	Duplex
Details	6 bd · 5.5 ba · 2,277 sqft · built 1894
Lot Size	0.046 acres (2,022 sqft)
Owner	2 Individual Names on File
Last Sale	$1,335,000 (Dec 2021)
Tax Bill	$9,596 (2025)
Deeds & Mortgages	Dec 2021 Sale & Mortgage Aug 2019 Refinance + 1 more
Flood Zone	Zone X (minimal risk)
APN	`178-23`

Property Details

APN / Parcel Number

Primary APN	`178-23`
Alternative APN	`CAMB M:00178 L:00023`

Interior

Bedrooms	6 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Units	2 Units
Stories	3 Stories
Building Area	2,277 sqft Living Area
Gross Area	3,762 sqft
1st Floor Area	900 sqft
Basement Area	900 sqft
Unfinished Basement	900 sqft

Exterior

Year Built	Built 1894
Effective Year Built	Effective 1894
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Construction Type	Brick
Roof Type	Gable
Roof Material	Asphalt
Lot Area	2,022 sqft (0.046 acres)
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating Fuel	Gas

Location & Zoning

Street Address	39 PORTER RD
City	CAMBRIDGE
State	MA
Zip	02140-2109
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	B
Legal Lot Number	23
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	1
Census Block	1008
Census Tract	354700

Owner

39 Porter Rd, a duplex, is owned by two individuals who bought it in December 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	87 ARLINGTON ST, BRIGHTON, MA 02135-2152
Owner Type	Individual

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
Dec 10, 2021	Quit Claim Deed, Transfer · Stand-Alone First Mortgage CAMBRIDGE SAVINGS BANK
Aug 15, 2019	Deed of Trust, Mortgage · Stand-Alone Refinance BROOKLINE BANK
Jul 17, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 10, 2021 · Amount on File
Deed Sale	Dec 10, 2021 · Amount on File
Deed Document Number	2021267064
Deed Book / Page	79323 / 148
Prior Transfer Date	Dec 9, 2021
Prior Transfer Doc	079323-148
Record Updated	Oct 29, 2026

December 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Dec 10, 2021
Property Address	39 PORTER RD, CAMBRIDGE, MA 02140-2109
Document Number	079323-148
Book / Page	79323 / 148
Instrument Date	Dec 9, 2021
Instrument	267064
Transaction Type	Transfer
Record Updated	Dec 24, 2021

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	87 ARLINGTON ST, BRIGHTON, MA 02135-2152

Mortgage

Document Number	0000267065
Date	Dec 10, 2021
Instrument	267065

Lender

Name	CAMBRIDGE SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Rate	2.88%
Type Change Date	Jan 1, 2029
Max Rate At Change	2.75%
Index	1-Year CMT

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CAMBRIDGE MA
Property Address	39 PORTER RD, CAMBRIDGE, MA 02140-2109
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	73114-295
Date	Aug 15, 2019
Book Page	73114/295
Instrument	121134

Lender

Name	BROOKLINE BANK

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record

July 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Jul 17, 2019
Property Address	39 PORTER RD, CAMBRIDGE, MA 02140-2109
Document Number	72938-471
Book / Page	072938 / 000471
Instrument Date	Jun 27, 2019
Instrument	101793
Transaction Type	Transfer
Record Updated	Aug 6, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2 WORCESTER ST CAMBRIDGE MA 02163, CAMBRIDGE, MA 02163

Tax Assessment & Valuation

The 2025 property tax bill for 39 Porter Rd was $9,596, up 6.1% from the year before.

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	Assessed Value	Assessed Market Value
2025	$9,596.00 (+6.13%)	$1,511,200 (-1.05%) Land $611,900 Building $899,300	$1,629,443
2024	$9,042.00 (+12.69%)	$1,527,300 (+11.55%) Land $661,100 Building $866,200
2023	$8,024.00	$1,369,200 Land $676,000 Building $693,200

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 39 Porter Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.

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
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	2 in force
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

The area around 39 Porter Rd has no burnable land within ember reach, so its wildfire risk is not rated.

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 1,054 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
T-Mobile Fixed Wireless	100 / 20

May also be available: Netafy, Starry.

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