Hampshire County and Williamsburg Town property record for 21 Mountain St, Williamsburg, MA 01096
| Property Type | Government / Public Use |
|---|---|
| Lot Size | 4.1 acres (178,596 sqft) |
| Owner | Company Name on File |
| APN | 340011K000000460 |
| Primary APN | 340011K000000460 |
|---|---|
| Alternative APNs |
|
| Lot Area | 178,596 sqft (4.1 acres) |
|---|
| Account Number | 340011K000000460 |
|---|---|
| Street Address | 21 MOUNTAIN ST |
| City | WILLIAMSBURG |
| State | MA |
| Zip | 01096 |
| Property Category | Public Works |
| Property Type | Public Works > Government / Public Use |
| Legal Lot Number | 460 |
| Jurisdiction | WILLIAMSBURG MA |
| Township / Civil Division | WILLIAMSBURG |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 822607 |
21 Mountain St, a public works property, is owned by a company.
Source: Hampshire County and Williamsburg Town records, as of April 14, 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 | Company Name on File |
|---|---|
| Mailing Address | 141 MAIN ST, NORTHAMPTON, MA 01060-3181 |
| Owner Type | Company |
| Vesting | Government |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Hampshire County and Williamsburg Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Hampshire County |
| County Subdivision | Williamsburg Town |
| Secondary School District | Hampshire School District (07 - 12) |
| Elementary School District | Williamsburg School District (PK - 06) |
| Year | Assessed Value |
|---|---|
| 2025 | $103,800 Land $103,800 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 21 Mountain St; 4 flood insurance policies are in force nearby.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| 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 21 Mountain St is low, with 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 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | WILLIAMSBURG WATER DEPT serves 1,575 people · EPA ID MA1340000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | 1 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 33 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
4G LTE (outdoors only), no 5G reported
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