Middlesex County and Cambridge City property record for 506 Franklin St, Cambridge, MA 02139
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1.5 ba · 728 sqft · built 1886 |
| Lot Size | 0.132 acres (5,770 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $767,000 (Apr 2026) |
| Tax Bill | $3,496 (2025) |
| Deeds & Mortgages | Apr 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 120-5-2 |
| Primary APN | 120-5-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 728 sqft Living Area |
| 1st Floor Area | 728 sqft |
| Year Built | Built 1886 |
|---|---|
| Effective Year Built | Effective 1886 |
| Architectural Style | Condo/Apartment |
| Lot Area | 5,770 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|
| Street Address | 506 FRANKLIN ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139-3116 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Lot Number | 500002 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 359400 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 504 FRANKLIN ST, CAMBRIDGE, MA 02139-3116 |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 27, 2026 · Amount on Record |
| Deed Sale | Apr 27, 2026 · Amount on Record |
| Prior Sale | Sep 6, 2007 · Amount on Record |
| Deed Document Number | 202646717 |
| Deed Book / Page | 85517 / 102 |
| Record Updated | Sep 20, 2026 |
| Document Type | Condominium Deed |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Recording Date | Apr 27, 2026 |
| Property Address | 506 FRANKLIN ST, CAMBRIDGE, MA 02139-3116 |
| Document Number | 085517-102 |
| Book / Page | 85517 / 102 |
| Instrument Date | Apr 25, 2026 |
| Instrument | 202646717 |
| Transaction Type | Transfer |
| Record Updated | Jul 6, 2026 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 504 FRANKLIN ST, CAMBRIDGE, MA 02139-3116 |
| Date | Apr 27, 2026 |
|---|
| Name | CAMBRIDGE SAVINGS BANK |
|---|
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6% |
| Initial Type | Adjustable Rate |
| Type Change Date | May 1, 2033 |
| Index | Other |
| Margin | 3 |
| Max Rate | -1% |
Source: Middlesex County and Cambridge City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Cambridge City |
| Unified School District | Cambridge School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,496.00 (+10.18%) | $550,500 (+2.72%) Building $550,500 | $766,365 (+4.04%) |
| 2024 | $3,173.00 (-0.44%) | $535,900 (-1.47%) Building $535,900 | $736,630 |
| 2023 | $3,187.00 | $543,900 Building $543,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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.
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 |
| 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.
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 |
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