Sullivan County and Grantham Town property record for 343 Rte 10 S, Grantham, NH 03753
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,741 sqft · built 1830 |
| Lot Size | 0.64 acres (27,878 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,402 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | GRNT M:233 L:80 |
| Primary APN | GRNT M:233 L:80 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,741 sqft Living Area |
| Gross Area | 3,360 sqft |
| 1st Floor Area | 964 sqft |
| Attic | Attic |
| Attic Area | 288 sqft |
| Basement Area | 704 sqft |
| Unfinished Basement | 704 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1830 |
|---|---|
| Effective Year Built | Effective 1830 |
| Architectural Style | Conventional |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 27,878 sqft (0.64 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Street Address | 343 ROUTE 10 S |
|---|---|
| City | GRANTHAM |
| State | NH |
| Zip | 03753 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CVRD |
| Legal Lot Number | 80 |
| Jurisdiction | GRANTHAM TOWN NH |
| Township / Civil Division | GRANTHAM |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 975200 |
343 Rte 10 S, a single family home, is owned by two individuals.
Source: Sullivan County and Grantham Town records, as of July 28, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 16, GRANTHAM, NH 03753-0016 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 343 Rte 10 S was $6,402, up 12.9% from the year before.
Source: Sullivan County and Grantham Town assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | New Hampshire |
| County | Sullivan County |
| County Subdivision | Grantham Town |
| Elementary School District | Grantham School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $6,402.00 (+12.85%) | $289,300 (-) Land $50,800 Building $238,500 |
| 2024 | $5,673.00 (+11.48%) | $289,300 (-) Land $50,800 Building $238,500 |
| 2023 | $5,089.00 (+7%) | $289,300 (-) Land $50,800 Building $238,500 |
| 2022 | $4,756.00 | $289,300 Land $50,800 Building $238,500 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 343 Rte 10 S in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective December 16, 2021 · 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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 3 (1979–2023) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Jul 2023 · 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 343 Rte 10 S 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: FCC Broadband Data Collection, based on 52 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Hub66 Fiber | 8,000 / 8,000 |
| Fidium Fiber Fiber | 2,000 / 2,000 |
| Xfinity Cable | 1,200 / 35 |
| Starlink Satellite | 280 / 30 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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