Norfolk County and Dedham Town property record for 186 Bonham Rd, Dedham, MA 02026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,132 sqft · built 1977 |
| Lot Size | 0.245 acres (10,673 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $8,088 (2026) |
| Flood Zone | Zone X (moderate risk) |
| APN | DEDH M:0182 L:025A |
| Primary APN | DEDH M:0182 L:025A |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,132 sqft Living Area |
| Gross Area | 2,375 sqft |
| 1st Floor Area | 1,132 sqft |
| Basement Area | 768 sqft |
| Unfinished Basement | 192 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Raised Ranch |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,673 sqft (0.245 acres) |
| Garage Type | Basement |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 186 BONHAM RD |
|---|---|
| City | DEDHAM |
| State | MA |
| Zip | 02026-5404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Lot Number | 25A |
| Jurisdiction | DEDHAM MA |
| Township / Civil Division | DEDHAM |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 402200 |
186 Bonham Rd is owned and occupied by two individuals.
Source: Norfolk County and Dedham Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 186 BONHAM RD, DEDHAM, MA 02026-5404 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
The 2026 property tax bill for 186 Bonham Rd was $8,088, up 5% 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 | $8,088.00 (+5.03%) | $657,600 (+7.77%) Land $359,700 Building $297,900 | $665,395 (-1.36%) |
| 2025 | $7,701.00 (+9.02%) | $610,200 (+7.98%) Land $345,900 Building $264,300 | $674,595 (+9.74%) |
| 2024 | $7,064.00 (-1.13%) | $565,100 (+1.55%) Land $313,800 Building $251,300 | $614,745 |
| 2023 | $7,145.00 | $556,500 Land $284,100 Building $272,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 186 Bonham Rd in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 26, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 10 units insured incl. 2 condo units |
| Nearby Flood Claims | 10 (1987–2020) |
| Claims Outside the SFHA | 3 of 10 |
| Most Recent Claim | Jun 2020 · other causes |
| Claims by Event |
|
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.
Wildfire risk around 186 Bonham Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 314 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 |
May also be available: Netafy.
5G and 4G LTE (outdoors only)
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