Norfolk County and Westwood Town property record for 18 Porter St, Westwood, MA 02090
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 5,597 sqft · built 1991 |
| Lot Size | 0.919 acres (40,025 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $775,000 (Oct 2000) |
| Tax Bill | $26,423 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | WWOO M:025 B:000 L:117 |
| Primary APN | WWOO M:025 B:000 L:117 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 5,597 sqft Living Area |
| Gross Area | 8,946 sqft |
| 1st Floor Area | 2,629 sqft |
| Basement Area | 2,190 sqft |
| Unfinished Basement | 1,890 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Colonial |
| Exterior Material | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 40,025 sqft (0.919 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 2829 |
|---|---|
| Street Address | 18 PORTER ST |
| City | WESTWOOD |
| State | MA |
| Zip | 02090-2129 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Lot Number | 117 |
| Jurisdiction | WESTWOOD MA |
| Township / Civil Division | WESTWOOD |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 412300 |
18 Porter St is owned and occupied by two individuals who bought it in October 2000.
Source: Norfolk County and Westwood Town records, as of April 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18 PORTER ST, WESTWOOD, MA 02090-2129 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Last Sale | Oct 6, 2000 · Amount on File |
| Deed Sale | Oct 6, 2000 · Amount on File |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 18 Porter St was $26,423, up 0.9% from the year before.
Source: Norfolk County and Westwood Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Westwood Town |
| Unified School District | Westwood School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $26,423.00 (+0.95%) | $2,064,300 (+1.03%) Land $687,200 Building $1,377,100 | |
| 2024 | $26,175.00 (+14.88%) | $2,043,300 (+28.24%) Land $654,400 Building $1,388,900 | $2,001,460 |
| 2023 | $22,784.00 | $1,593,300 Land $545,500 Building $1,047,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18 Porter St in Zone X, an area of minimal flood risk.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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.
Wildfire risk around 18 Porter St 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 98% of the US · lower than 96% 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 305 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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