Hillsborough County and Wilton Town property record for 21 Mill St, Wilton, NH 03086
| Property Type | Commercial Building, Warehouse, Showroom |
|---|---|
| Details | 2,928 sqft · built 1880 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Company Name on File |
| Last Sale | $246,200 (Feb 2005) |
| Tax Bill | $3,238 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 001026 |
| Primary APN | 001026 |
|---|---|
| Alternative APN |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,928 sqft Total Area |
| Gross Area | 5,058 sqft |
| 1st Floor Area | 1,677 sqft |
| Attic | Attic |
| Attic Area | 1,209 sqft |
| Basement Area | 435 sqft |
| Unfinished Basement | 435 sqft |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Architectural Style | High Rise |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 8,712 sqft (0.2 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 21 MILL ST |
|---|---|
| City | WILTON |
| State | NH |
| Zip | 03086-5016 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Commercial Building, Warehouse, Showroom |
| Local Zoning Code | RD |
| Legal Lot Number | 111 |
| Jurisdiction | WILTON TOWN NH |
| Township / Civil Division | WILTON |
| Census Block Group | 1 |
| Census Block | 1024 |
| Census Tract | 19000 |
21 Mill St, a commercial property, is owned by a company that bought it in February 2005.
Source: Hillsborough County and Wilton Town records, as of July 28, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1 RIVERSIDE WAY, WILTON, NH 03086-5817 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Feb 7, 2005 · Amount on File |
| Deed Sale | Feb 7, 2005 · Amount on File |
| Deed Book / Page | 7404 / 2754 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 21 Mill St was $3,238.
Source: Hillsborough County and Wilton Town assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | New Hampshire |
| County | Hillsborough County |
| County Subdivision | Wilton Town |
| Unified School District | Wilton-Lyndeborough School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $3,238.00 | $120,000 Land $113,300 Building $6,700 |
| 2023 | $2,664.00 (+7.46%) | $120,000 (-) Land $113,300 Building $6,700 |
| 2022 | $2,479.00 | $120,000 Land $113,300 Building $6,700 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 21 Mill St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective June 9, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 3 (1979–2007) |
| Most Recent Claim | Apr 2007 · Severe Storms And Flooding |
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 Mill 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 52% of New Hampshire |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | WILTON WATER WORKS serves 1,790 people · EPA ID NH2521010 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2023 |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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 213 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| TDS Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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