New Castle County property record for 11 Irwin Ave, New Castle, DE 19720
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 912 sqft · built 1938 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Individual Name on File |
| Last Sale | $150,000 (Sep 2016) |
| Tax Bill | $1,034 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-005.30-049 |
| Primary APN | 10-005.30-049 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 912 sqft Living Area |
| 1st Floor Area | 912 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1938 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,841 sqft (0.18 acres) |
| Lot Dimensions | 100 ft deep x 80 ft wide |
| Heating System | Hot Water |
|---|---|
| Sewer | Connected |
| Street Address | 11 IRWIN AVE |
|---|---|
| City | NEW CASTLE |
| State | DE |
| Zip | 19720-1176 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NC5 |
| Legal Subdivision | MINQUADALE SEC 2 |
| Legal Block | 23 |
| Legal Lot Number | 34-37 |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | NEW CASTLE |
| Census Block Group | 5 |
| Census Block | 5014 |
| Census Tract | 15200 |
11 Irwin Ave is owned by an individual who bought it in September 2016.
Source: New Castle County records, as of April 13, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 43 HERBERT DR, NEW CASTLE, DE 19720-3231 |
| 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 | Sep 12, 2016 · Amount on File |
| Deed Sale | Sep 12, 2016 · Amount on File |
| Prior Sale | Oct 25, 2013 · Amount on File |
| Deed Document Number | 201645899 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 11 Irwin Ave was $1,034.
Source: New Castle County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | Delaware |
| County | New Castle County |
| Unified School District | Colonial School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,034.00 | $312,700 Land $49,100 Building $263,600 | |
| 2024 | $205,830 | ||
| 2023 | $961.00 | $30,800 Land $4,600 Building $26,200 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 11 Irwin Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective January 21, 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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 2 in force |
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.
The area around 11 Irwin Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | ARTESIAN WATER COMPANY private · serves 231,114 people · EPA ID DE0000552 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Oct 2025 |
| Lead | 1 ppb (2024–2026) 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 287 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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