Middlesex County and Cambridge City property record for 23 Robinson St, Cambridge, MA 02138
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,532 sqft · built 1950 |
| Lot Size | 0.08 acres (3,467 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,257,000 (Aug 2015) |
| Tax Bill | $12,104 (2025) |
| Deeds & Mortgages | Mar 2017 Mortgage Feb 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 208-9 |
| Primary APN | 208-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,532 sqft Living Area |
| Gross Area | 2,704 sqft |
| 1st Floor Area | 676 sqft |
| Basement Area | 676 sqft |
| Unfinished Basement | 676 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Central Vacuum | Central Vacuum |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Concrete |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 3,467 sqft (0.08 acres) |
| Garage Type | Covered |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 23 ROBINSON ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02138-1403 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Lot Number | 9 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 354500 |
Source: Middlesex County and Cambridge City records · APN 208-9
Assessment roll updated April 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 23 ROBINSON ST, CAMBRIDGE, MA 02138-1403 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 15, 2017 | Deed of Trust, Mortgage WATERTOWN SAVINGS BANK |
| Feb 10, 2020 | Deed of Trust, Mortgage · Balloon Mortgage WATERTOWN SAVINGS BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 04, 2015 · Amount on Record |
| Deed Sale | Aug 04, 2015 · Amount on Record |
| Deed Document Number | 2015129192 |
| Deed Book / Page | 65857 / 107 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 23 ROBINSON ST, CAMBRIDGE, MA 02138-1403 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 69007-502 |
|---|---|
| Date | Mar 15, 2017 |
| Book Page | 69007/502 |
| Instrument | 38244 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Amount | Amount Recorded |
|---|---|
| Term | 180 Months |
| Due | Mar 01, 2032 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 23 ROBINSON ST, CAMBRIDGE, MA 02138-1403 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 74106-514 |
|---|---|
| Date | Feb 10, 2020 |
| Book Page | 74106/514 |
| Instrument | 19555 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Middlesex County and Cambridge City records · Assessment roll updated April 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Cambridge City |
| Unified School District | Cambridge School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $12,104.00 (+6.28%) | $1,906,200 (-0.92%) Land $834,500 Building $1,071,700 | $2,197,350 (+3.9%) |
| 2024 | $11,389.00 (+9.3%) | $1,923,900 (+8.2%) Land $878,800 Building $1,045,100 | $2,114,890 |
| 2023 | $10,420.00 | $1,778,100 Land $874,200 Building $903,900 |
Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), as of September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173545002, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 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 | 1 in force |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026
| Historic District | Within the Gray Gardens East and West Historic District listed 1986 · 26 contributing resources · NRIS 86001283 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Starry.
Based on FCC filings for 853 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system MA3049000, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CAMBRIDGE WATER DEPARTMENT serves 118,214 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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