Merrimack County and Concord City property record for 20 Thompson St, Concord, NH 03301
| Property Type | Duplex |
|---|---|
| Details | 2 bd · 2.5 ba · 2,075 sqft · built 1890 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Individual Name on File |
| Last Sale | $90,000 (Oct 1986) |
| Tax Bill | $8,815 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | M:33 B:6 L:15 |
| Primary APN | M:33 B:6 L:15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,075 sqft Living Area |
| Gross Area | 4,779 sqft |
| 1st Floor Area | 1,481 sqft |
| Attic | Attic |
| Attic Area | 930 sqft |
| Basement Area | 1,446 sqft |
| Unfinished Basement | 1,446 sqft |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1890 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,841 sqft (0.18 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 20 THOMPSON ST |
|---|---|
| City | CONCORD |
| State | NH |
| Zip | 03301-3737 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RD |
| Legal Block | 87 |
| Legal Lot Number | 15 |
| Jurisdiction | CONCORD CITY NH |
| Township / Civil Division | CONCORD |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 44100 |
20 Thompson St, a duplex, is owned by an individual who bought it in October 1986.
Source: Merrimack County and Concord City records, as of July 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 257 E PENACOOK RD, CONTOOCOOK, NH 03229-2914 |
| 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 | Oct 30, 1986 · Amount on File |
| Deed Sale | Oct 30, 1986 · Amount on File |
| Deed Book / Page | 1603 / 636 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 20 Thompson St was $8,815.
Source: Merrimack County and Concord City assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | New Hampshire |
| County | Merrimack County |
| Municipality | Concord City |
| Unified School District | Concord School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $8,815.00 | $302,800 Land $90,200 Building $212,600 |
| 2023 | $8,184.00 (+3.74%) | $304,700 (-) Land $90,200 Building $214,500 |
| 2022 | $7,889.00 | $304,700 Land $90,200 Building $214,500 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20 Thompson St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2001.
Source: FEMA National Flood Hazard Layer, effective January 22, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (2001–2006) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | May 2006 · 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 20 Thompson St is low, with less than 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 99.1% of the US · lower than 99.8% of New Hampshire |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 | CONCORD WATER DEPT serves 44,215 people · EPA ID NH0501010 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2025 |
| Lead | 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 126 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Fidium Fiber Fiber | 2,000 / 2,000 |
| Breezeline Fiber · Cable in parts of the area | 1,000 / 1,000 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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