Stamford City property record for 251 Knickerbocker Ave, Stamford, CT 06907
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,464 sqft · built 1925 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $10,934 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1-9019 |
| Primary APN | 1-9019 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,464 sqft Living Area |
| Gross Area | 5,602 sqft |
| 1st Floor Area | 1,232 sqft |
| Attic | Attic |
| Attic Area | 1,232 sqft |
| Basement Area | 1,232 sqft |
| Unfinished Basement | 1,232 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 1-9019 |
|---|---|
| Street Address | 251 KNICKERBOCKER AVE |
| City | STAMFORD |
| State | CT |
| Zip | 06907-2009 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R75 |
| Legal Block | 9019 |
| Jurisdiction | STAMFORD CT |
| Township / Civil Division | STAMFORD |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 20900 |
251 Knickerbocker Ave, a duplex, is owned and occupied by an individual.
Source: Stamford City records, as of June 25, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 251 KNICKERBOCKER AVE, STAMFORD, CT 06907-2009 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 251 Knickerbocker Ave was $10,934.
Source: Stamford City assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | Stamford City |
| Unified School District | Stamford School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,934.00 | $462,110 Land $205,350 Building $256,760 | $323,477 Land $143,745 Building $179,732 |
| 2024 | $10,934.00 (-4.82%) | ||
| 2023 | $11,488.00 (+23.16%) | $462,110 (+32.47%) Land $205,350 Building $256,760 | |
| 2022 | $9,328.00 | $348,830 Land $154,530 Building $194,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 251 Knickerbocker Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| 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 251 Knickerbocker Ave 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 55% of Connecticut |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within 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 | AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people · EPA ID CT0150011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2025 |
| Lead | Under 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 24 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 507 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 7,000 / 7,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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