Sullivan County and Grantham Town property record for 657 Marten Rd, Grantham, NH 03753
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 3.5 ba · 1,440 sqft · built 1983 |
| Owner | Individual Name on File |
| Last Sale | $205,000 (Nov 2002) |
| Tax Bill | $6,814 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | GRNT M:215 L:10.001 |
| Primary APN | GRNT M:215 L:10.001 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,440 sqft Living Area |
| Gross Area | 3,356 sqft |
| 1st Floor Area | 1,008 sqft |
| Attic | Attic |
| Attic Area | 576 sqft |
| Basement Area | 1,008 sqft |
| Unfinished Basement | 1,008 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Deck Area | Deck Area |
| Heating Fuel | Electric |
|---|
| Street Address | 657 MARTEN RD |
|---|---|
| City | GRANTHAM |
| State | NH |
| Zip | 03753 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | RR1 |
| Legal Lot Number | 10.001 |
| Jurisdiction | GRANTHAM TOWN NH |
| Township / Civil Division | GRANTHAM |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 975200 |
657 Marten Rd, a condominium, is owned by an individual who bought it in November 2002.
Source: Sullivan County and Grantham Town records, as of July 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 761, GRANTHAM, NH 03753-0761 |
| 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 15, 2002 · Amount on File |
| Deed Sale | Nov 15, 2002 · Amount on File |
| Deed Book / Page | 1337 / 518 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 657 Marten Rd was $6,814, down 8.4% 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 | $6,814.00 (-8.41%) | $342,400 (-) Building $342,400 |
| 2024 | $7,440.00 (+10.98%) | $342,400 (-) Building $342,400 |
| 2023 | $6,704.00 (+7.76%) | $342,400 (-) Building $342,400 |
| 2022 | $6,221.00 | $342,400 Building $342,400 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 657 Marten Rd 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 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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2019) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2019 · rainfall accumulation |
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 657 Marten Rd 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 68 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Fidium Fiber Fiber | 2,000 / 2,000 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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