423 Franklin St, #429, Cambridge, MA 02139 Property Records

Middlesex County and Cambridge City property record for 423 Franklin St, #429, Cambridge, MA 02139

Property Summary

Property Type	Residential Multi-Family (5+ Units)
Lot Size	0.238 acres (10,358 sqft)
Owner	Company Name on Record
Last Sale	$4,500,000 (Jan 2017)
Tax Bill	$21,973 (2025)
Deeds & Mortgages	Jan 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`119-112`

Property Details

APN / Parcel Number

Primary APN	`119-112`
Alternative APN	`CAMB M:00119 L:00112`

Interior

Units	3 Units

Exterior

Architectural Style	Multi-Family
Lot Area	10,358 sqft (0.238 acres)
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Street Address	423 FRANKLIN ST, 429
City	CAMBRIDGE
State	MA
Zip	02139-3165
Property Category	Residential
Property Type	Residential > Multi-Unit > Residential Multi-Family (5+ Units)
Local Zoning Code	C-1
Legal Lot Number	112
Jurisdiction	CAMBRIDGE MA
Township / Civil Division	CAMBRIDGE
Census Block Group	4
Census Block	4000
Census Tract	359400

Owner

Source: Middlesex County and Cambridge 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	15 WALNUT ST, 150, WELLESLEY HILLS, MA 02481-2166
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 13, 2017 · Amount on Record
Deed Sale	Jan 13, 2017 · Amount on Record
Prior Sale	Jun 9, 2010
Deed Document Number	20177906
Deed Book / Page	68761 / 446
Transfer Doc	68761-446
Record Updated	Oct 29, 2026

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CAMBRIDGE MA
Recording Date	Jan 13, 2017
Property Address	423 FRANKLIN ST # 429, 429, CAMBRIDGE, MA 02139-3165
Document Number	68761-446
Book / Page	068761 / 000446
Instrument Date	Jan 11, 2017
Instrument	7906
Transaction Type	Transfer
Record Updated	Jan 31, 2017

Transaction

Amount	Amount Recorded
Tax	$20,520.00
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	15 WALNUT ST #150 WELLESLEY MA 024812166, 150, WELLESLEY, MA 02481-2166

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	Assessed Value
2025	$21,973.00 (+4.5%)	$3,460,300 (-2.58%) Land $1,524,100 Building $1,936,200
2024	$21,027.00 (+0.31%)	$3,551,800 (-0.71%) Land $1,594,100 Building $1,957,700
2023	$20,963.00	$3,577,300 Land $1,623,700 Building $1,953,600

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
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	3 in force

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	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 536 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Starry Fixed Wireless	500 / 200
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20