Belknap County and Alton Town property record for 73 Main St, Alton, NH 03809
| Property Type | Commercial Building, Warehouse, Showroom |
|---|---|
| Details | 4 bd · 4.5 ba · 4,045 sqft · built 1895 |
| Lot Size | 0.8 acres (34,848 sqft) |
| Owner | Individual Name on File |
| Last Sale | $300,000 (Nov 2003) |
| Tax Bill | $3,715 (2024) |
| APN | ALTN M:27 B:16 |
| Primary APN | ALTN M:27 B:16 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 17 Rooms |
| Units | 5 Units |
| Stories | 3 Stories |
| Building Area | 4,045 sqft Total Area |
| Gross Area | 7,244 sqft |
| 1st Floor Area | 2,061 sqft |
| Attic | Attic |
| Attic Area | 1,140 sqft |
| Basement Area | 1,200 sqft |
| Unfinished Basement | 1,200 sqft |
| Year Built | Built 1895 |
|---|---|
| Effective Year Built | Effective 1895 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 34,848 sqft (0.8 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Street Address | 73 MAIN ST |
|---|---|
| City | ALTON |
| State | NH |
| Zip | 03809 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Commercial Building, Warehouse, Showroom |
| Local Zoning Code | RC-RES |
| Legal Block | 16 |
| Jurisdiction | ALTON NH |
| Township / Civil Division | ALTON |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 966501 |
73 Main St, a commercial property, is owned by an individual who bought it in November 2003.
Source: Belknap County and Alton Town records, as of July 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 51 WHITEHALL RD, B, ROCHESTER, NH 03867-1720 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Nov 18, 2003 · Amount on File |
| Deed Sale | Nov 18, 2003 · Amount on File |
| Deed Book / Page | 1976 / 426 |
| Record Updated | Sep 20, 2026 |
Source: Belknap County and Alton Town assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | New Hampshire |
| County | Belknap County |
| County Subdivision | Alton Town |
| Secondary School District | Prospect Mountain High School Joint Maintenance Agreement District (09 - 12) |
| Elementary School District | Alton School District (PK - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2024 | $3,715.00 | $286,200 Land $89,200 Building $197,000 |
| 2022 | $3,254.00 | $286,200 Land $89,200 Building $197,000 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA has no flood map on file for 73 Main St; 2 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 | 2 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 73 Main 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 | 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 | ALTON WATER WORKS serves 1,800 people · EPA ID NH0061010 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2024 |
| Lead | 210 ppb (2022–2024) action level 15 ppb |
| Copper | 2.4 mg/L (2022–2024) action level 1.3 mg/L |
| Water Quality | Arsenic resolved · Jul 2020 |
|---|---|
| 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 60 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 1,000 / 1,000 |
| Breezeline Cable | 1,000 / 50 |
5G (outdoors only) and 4G LTE
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