New Castle County property record for 403 Alder Ave, Middletown, DE 19709
| Property Type | Single Family Home |
|---|---|
| Owner | 2 Individual Names on File |
| Tax Bill | $294 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 23-014.00-001.M-A403 |
| Primary APN | 23-014.00-001.M-A403 |
|---|
| Architectural Style | Mobile Home |
|---|
| Street Address | 403 ALDER AVE |
|---|---|
| City | MIDDLETOWN |
| State | DE |
| Zip | 19709-1222 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MH124177 2005 REDM |
| Legal Subdivision | VILLAGEBROOK I MH PK |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | MIDDLETOWN-ODESSA |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 16613 |
403 Alder Ave is owned and occupied by two individuals.
Source: New Castle County records, as of October 20, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 403 ALDER AVE, MIDDLETOWN, DE 19709-1222 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: New Castle County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | Delaware |
| County | New Castle County |
| Municipality | Middletown Town |
| Unified School District | Appoquinimink School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $79,700 (+871.95%) Building $79,700 | ||
| 2024 | $294.00 (-46.45%) | ||
| 2023 | $549.00 (+112.79%) | $8,200 (-2.38%) Building $8,200 | |
| 2022 | $258.00 | $8,400 Building $8,400 | $30,330 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 403 Alder Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective January 21, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 403 Alder 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 94% of the US · lower than 78% of Delaware |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | WILLOW GROVE MILL serves 3,090 people · EPA ID DE0020122 |
|---|---|
| Water Source | Purchased groundwater from ARTESIAN WATER COMPANY |
| Last State Inspection | Sep 2025 |
| Lead | Under 1 ppb (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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 226 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Breezeline Cable | 1,000 / 50 |
| Verizon Fiber | 980 / 880 |
5G (outdoors only) and 4G LTE
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