Hampshire County and Plainfield Town property record for 9 Mountain St, Plainfield, MA 01070 · Last verified April 2026
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 7 bd · 3 ba · 4,243 sqft · built 1989 |
| Lot Size | 41.6 acres (1,814,274 sqft) |
| Owner | Company Name on File |
| Last Sale | $500,000 (Oct 2014) |
| Tax Bill | $13,189 (2025) |
| APN | M_80570_91 |
| Primary APN | M_80570_91 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Units | 12 Units |
| Stories | 3 Stories |
| Building Area | 4,243 sqft Total Area |
| Gross Area | 7,184 sqft |
| 1st Floor Area | 1,660 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 1,814,274 sqft (41.6 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | M_80570_917482 |
|---|---|
| Street Address | 9 MOUNTAIN ST |
| City | PLAINFIELD |
| State | MA |
| Zip | 01070-9757 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Jurisdiction | PLAINFIELD MA |
| Township / Civil Division | PLAINFIELD |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 822700 |
Source: Hampshire County and Plainfield Town records · APN M_80570_91
Assessment roll updated April 14, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 9 MOUNTAIN ST, PLAINFIELD, MA 01070-9757 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 02, 2014 · Amount on Record |
| Deed Sale | Oct 02, 2014 · Amount on Record |
| Prior Sale | Mar 18, 1999 · Amount on Record |
| Deed Book / Page | 11768 / 70 |
| Record Updated | Jun 08, 2026 |
Source: Hampshire County and Plainfield Town records · Assessment roll updated April 14, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Hampshire County |
| County Subdivision | Plainfield Town |
| Unified School District | Mohawk Trail School District (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $13,189.00 (+12.9%) | $713,700 (+26.59%) Land $97,200 Building $616,500 |
| 2023 | $11,682.00 | $563,800 Land $77,900 Building $485,900 |
Source: FEMA National Flood Hazard Layer · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|
| Wildfire Risk | Low above 20% of the US · above 58% of Massachusetts |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 1 locations within about half a mile of this property, a small sample
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Westfield Gas & Electric | Fiber | 1,000 / 1,000 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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