Coos County and Berlin City property record for 511 Sullivan St, Berlin, NH 03570 · Last verified August 2026
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 1,944 sqft · built 1924 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Individual Name on File |
| Last Sale | $52,533 (Sep 2017) |
| Tax Bill | $5,453 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 13000015400000001 |
| Primary APN | 13000015400000001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,944 sqft Living Area |
| Gross Area | 3,476 sqft |
| Basement Area | 972 sqft |
| Unfinished Basement | 972 sqft |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,019 sqft (0.23 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 13000015400000001 |
|---|---|
| Street Address | 511 SULLIVAN ST |
| City | BERLIN |
| State | NH |
| Zip | 03570-3223 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 154 |
| Jurisdiction | BERLIN CITY NH |
| Township / Civil Division | BERLIN |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 950600 |
Source: Coos County and Berlin City records · APN 13000015400000001
Assessment roll updated July 28, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 511 SULLIVAN ST, BERLIN, NH 03570-3223 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 15, 2017 · Amount on Record |
| Deed Sale | Sep 15, 2017 · Amount on Record |
| Deed Document Number | 20173847 |
| Deed Book / Page | 1472 / 262 |
| Record Updated | Sep 20, 2026 |
Source: Coos County and Berlin City records · Assessment roll updated July 28, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New Hampshire |
| County | Coos County |
| Municipality | Berlin City |
| Unified School District | Berlin School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,453.00 (+25.3%) | $162,300 (+0.31%) Land $28,800 Building $133,500 |
| 2023 | $4,352.00 (-1.34%) | $161,800 (-) Land $28,800 Building $133,000 |
| 2022 | $4,411.00 | $161,800 Land $28,800 Building $133,000 |
Source: FEMA National Flood Hazard Layer, Coos County (33007C), updated February 20, 2013 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Low above 20% of the US · above 53% of New Hampshire |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 236 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Consolidated Communications | Fiber | 2,000 / 2,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Netafy | Fixed Wireless (licensed-by-rule) | 500 / 500 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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