Berkshire County and Williamstown Town property record for 48 Colonial Ave, Williamstown, MA 01267
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 771 sqft · built 1948 |
| Lot Size | 0.22 acres (9,583 sqft) |
| Owner | Individual Name on File |
| Last Sale | $95,000 (Oct 1988) |
| Tax Bill | $3,837 (2026) |
| APN | M_61517_941144 |
| Primary APN | M_61517_941144 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 771 sqft Living Area |
| Gross Area | 1,872 sqft |
| 1st Floor Area | 771 sqft |
| Basement Area | 771 sqft |
| Unfinished Basement | 771 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 9,583 sqft (0.22 acres) |
| Garage Type | Attached |
| Heating System | Steam |
|---|---|
| Heating Fuel | Gas |
| Account Number | M_61517_941144 |
|---|---|
| Street Address | 48 COLONIAL AVE |
| City | WILLIAMSTOWN |
| State | MA |
| Zip | 01267-2547 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | GR |
| Legal Block | 49 |
| Jurisdiction | WILLIAMSTOWN MA |
| Township / Civil Division | WILLIAMSTOWN |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 920101 |
48 Colonial Ave is owned and occupied by an individual who bought it in October 1988.
Source: Berkshire County and Williamstown 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 | Individual Name on File |
|---|---|
| Mailing Address | 48 COLONIAL AVE, WILLIAMSTOWN, MA 01267-2547 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 11, 1988 · Amount on File |
| Deed Sale | Oct 11, 1988 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 48 Colonial Ave was $3,837, up 6% from the year before.
Source: Berkshire County and Williamstown Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Berkshire County |
| County Subdivision | Williamstown Town |
| Unified School District | Mount Greylock School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,837.00 (+5.97%) | $270,200 (+2.97%) Land $110,400 Building $159,800 | $274,419 |
| 2025 | $3,621.00 | $262,400 Land $107,200 Building $155,200 | |
| 2023 | $3,502.00 | $216,600 Land $91,300 Building $125,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 48 Colonial Ave; there have been 9 flood claims nearby since 2005.
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 | 1 in force |
| Nearby Flood Claims | 9 (2005–2011) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Aug 2011 · Tropical Storm Irene |
| 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 48 Colonial Ave 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 | WILLIAMSTOWN WATER DEPT serves 7,326 people · EPA ID MA1341000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | May 2024 |
| Lead | Under 1 ppb (2019–2021) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 112 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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