Norfolk County and Dedham Town property record for 170 Washington St, Dedham, MA 02026
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 2,341 sqft · built 1868 |
| Lot Size | 0.166 acres (7,230 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $9,571 (2026) |
| Deeds & Mortgages | Nov 2019 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | DEDH M:0077 L:0059 |
| Primary APN | DEDH M:0077 L:0059 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 12 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,341 sqft Living Area |
| Gross Area | 4,048 sqft |
| 1st Floor Area | 1,284 sqft |
| Basement Area | 1,284 sqft |
| Unfinished Basement | 1,284 sqft |
| Year Built | Built 1868 |
|---|---|
| Effective Year Built | Effective 1868 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,230 sqft (0.166 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 170 WASHINGTON ST |
|---|---|
| City | DEDHAM |
| State | MA |
| Zip | 02026-2024 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | G |
| Legal Lot Number | 59 |
| Jurisdiction | DEDHAM MA |
| Township / Civil Division | DEDHAM |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 402400 |
170 Washington St, a duplex, is held in a trust.
Source: Norfolk County and Dedham Town records, as of October 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 193 EAST ST, DEDHAM, MA 02026-2022 |
| 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 | DEDHAM MA |
| Property Address | 170 WASHINGTON ST, DEDHAM, MA 02026-2024 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 37387-53 |
|---|---|
| Date | Nov 27, 2019 |
| Book Page | 37387/53 |
| Instrument | 111047 |
| Name | CLINTON SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 170 Washington St was $9,571, up 11.8% from the year before.
Source: Norfolk County and Dedham Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Dedham Town |
| Unified School District | Dedham School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,571.00 (+11.76%) | $778,100 (+14.66%) Land $315,700 Building $462,400 | $717,717 |
| 2025 | $8,564.00 (+5.52%) | $678,600 (+4.51%) Land $266,400 Building $412,200 | |
| 2024 | $8,116.00 (+6.71%) | $649,300 (+9.6%) Land $252,200 Building $397,100 | |
| 2023 | $7,606.00 | $592,400 Land $223,900 Building $368,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 170 Washington St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 26, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 170 Washington St 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 | DEDHAM WESTWOOD WATER DIST. serves 41,630 people · EPA ID MA3073000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Apr 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Oct 2021 |
|---|---|
| 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 271 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Netafy Fixed Wireless | 150 / 150 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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