Merrimack County and Concord City property record for 11 Union St, Concord, NH 03301
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 2,348 sqft · built 1850 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,819 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | CNCD M:6441Z B:23 |
| Primary APN | CNCD M:6441Z B:23 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,348 sqft Living Area |
| Gross Area | 5,200 sqft |
| 1st Floor Area | 1,413 sqft |
| Attic | Attic |
| Attic Area | 972 sqft |
| Basement Area | 1,377 sqft |
| Unfinished Basement | 1,377 sqft |
| Year Built | Built 1850 |
|---|---|
| Effective Year Built | Effective 1850 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,534 sqft (0.15 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Street Address | 11 UNION ST |
|---|---|
| City | CONCORD |
| State | NH |
| Zip | 03301-4251 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RD |
| Legal Block | 23 |
| Legal Lot Number | 1 |
| Jurisdiction | CONCORD CITY NH |
| Township / Civil Division | CONCORD |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 32400 |
11 Union St, a duplex, is owned by an individual.
Source: Merrimack County and Concord City records, as of July 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 22 MAPLE ST, CONCORD, NH 03301-4201 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 11 Union St was $7,819.
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 | $7,819.00 | $268,600 Land $90,400 Building $178,200 |
| 2023 | $7,215.00 (+3.75%) | $268,600 (-) Land $90,400 Building $178,200 |
| 2022 | $6,954.00 | $268,600 Land $90,400 Building $178,200 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 11 Union St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective January 22, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 11 Union 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 | 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 525 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Fidium Fiber Fiber · DSL in parts of the area | 2,000 / 2,000 |
| Breezeline Fiber · Cable in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, TDS Telecom.
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