Norfolk County and Dedham Town property record for 186 Mount Vernon St, Dedham, MA 02026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,196 sqft · built 1931 |
| Lot Size | 0.239 acres (10,400 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $11,378 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | DEDH M:0126 L:0033 |
| Primary APN | DEDH M:0126 L:0033 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,196 sqft Living Area |
| Gross Area | 4,800 sqft |
| 1st Floor Area | 972 sqft |
| Attic | Attic |
| Attic Area | 792 sqft |
| Basement Area | 972 sqft |
| Unfinished Basement | 972 sqft |
| Year Built | Built 1931 |
|---|---|
| Effective Year Built | Effective 1931 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Roof Material | Asphalt |
| Lot Area | 10,400 sqft (0.239 acres) |
| Deck Area | Deck Area |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Street Address | 186 MOUNT VERNON ST |
|---|---|
| City | DEDHAM |
| State | MA |
| Zip | 02026-3138 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Lot Number | 33 |
| Jurisdiction | DEDHAM MA |
| Township / Civil Division | DEDHAM |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 402400 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Endicott Estate listed 2002 · 6 contributing resources · NRIS 02000128 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
186 Mount Vernon St is owner-occupied and held in a trust.
Source: Norfolk County and Dedham Town records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 186 MOUNT VERNON ST, DEDHAM, MA 02026-3138 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 186 Mount Vernon St was $11,378, down 4.9% 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 | $11,378.00 (-4.86%) | $925,000 (-2.38%) Land $402,200 Building $522,800 | $891,103 (-22.15%) |
| 2025 | $11,959.00 (+0.77%) | $947,600 (-0.19%) Land $377,400 Building $570,200 | $1,144,655 (+57.07%) |
| 2024 | $11,868.00 (+18.85%) | $949,400 (+22.08%) Land $362,600 Building $586,800 | $728,745 |
| 2023 | $9,986.00 | $777,700 Land $318,200 Building $459,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 186 Mount Vernon 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 186 Mount Vernon 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 310 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 | 980 / 880 |
| Netafy Fixed Wireless | 150 / 150 |
| T-Mobile Fixed Wireless | 100 / 20 |
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