Middlesex County and Cambridge City property record for 309 Huron Ave, Cambridge, MA 02138
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 3.5 ba · 4,102 sqft · built 1910 |
| Lot Size | 0.128 acres (5,557 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $14,670 (2025) |
| Deeds & Mortgages | Feb 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 233-75 |
| Primary APN | 233-75 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 4,102 sqft Living Area |
| Gross Area | 6,509 sqft |
| 1st Floor Area | 1,514 sqft |
| Basement Area | 1,493 sqft |
| Unfinished Basement | 1,493 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Construction Type | Concrete |
| Roof Type | Gambrel |
| Roof Material | Asphalt |
| Lot Area | 5,557 sqft (0.128 acres) |
| Garage Type | Covered |
| Parking Spaces | 4 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Steam |
| Heating Fuel | Oil |
| Street Address | 309 HURON AVE |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02138-6892 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | B |
| Legal Lot Number | 75 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 354400 |
309 Huron Ave, a duplex, is owner-occupied and held in a trust.
Source: Middlesex County and Cambridge City records, as of October 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 309 HURON AVE, CAMBRIDGE, MA 02138-6892 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 309 HURON AVE, CAMBRIDGE, MA 02138-6892 |
| Document Number | 68906-461 |
| Book / Page | 068906 / 000461 |
| Instrument Date | Feb 10, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Mar 7, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Corporate Trust |
| Document Number | 68906-461 |
|---|---|
| Date | Feb 17, 2017 |
| Book Page | 068906/000461 |
| Instrument | 25879 |
| Name | CAMBRIDGE TR |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Feb 16, 2037 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 309 Huron Ave was $14,670, up 7.5% from the year before.
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 | $14,670.00 (+7.5%) | $2,310,200 (+0.22%) Land $1,014,300 Building $1,295,900 | $2,323,711 |
| 2024 | $13,647.00 | $2,305,200 Land $1,058,000 Building $1,247,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 309 Huron Ave in Zone X, an area of minimal flood risk.
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 |
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.
The area around 309 Huron Ave 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.
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 797 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Starry.
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