New Castle County property record for 519 Delaware St, New Castle, DE 19720
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 1 ba · 2,112 sqft · built 1920 |
| Lot Size | 0.06 acres (2,614 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $37,000 (Apr 1974) |
| Tax Bill | $1,605 (2025) |
| Deeds & Mortgages | Jan 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-015.10-073 |
| Primary APN | 21-015.10-073 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,112 sqft Living Area |
| 1st Floor Area | 1,056 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Duplex Single |
| Exterior Material | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 2,614 sqft (0.06 acres) |
| Lot Dimensions | 137 ft deep x 19 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Connected |
| Street Address | 519 DELAWARE ST |
|---|---|
| City | HISTORIC NEW CASTLE |
| State | DE |
| Zip | 19720-5045 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 21R-2 |
| Legal Subdivision | NEW CASTLE |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | NEW CASTLE |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 16100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the New Castle Historic District listed 1984 · 463 contributing resources · NRIS 84000312 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: New Castle County records, as of May 6, 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 Record |
|---|---|
| Mailing Address | 519 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 1, 1974 · Amount on Record |
| Deed Sale | Apr 1, 1974 · Amount on Record |
| Deed Book / Page | 89 / 369 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NEW CASTLE DE |
| Property Address | 519 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045 |
| Transaction Type | Mortgage |
| Record Updated | Sep 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000000687 |
|---|---|
| Date | Jan 5, 2017 |
| Instrument | 20170105-0000687 |
| Name | WILMINGTON SAVINGS FUND SOCIETY FSB |
|---|---|
| Type | Bank |
| Address | HAVERTOWN, PA 19083 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: New Castle County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | Delaware |
| County | New Castle County |
| Municipality | New Castle City |
| Unified School District | Colonial School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1,605.00 (+107.36%) | $379,000 (+671.89%) Land $56,500 Building $322,500 |
| 2023 | $774.00 | $49,100 (-) Land $6,800 Building $42,300 |
| 2022 | $49,100 Land $6,800 Building $42,300 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 61 individual policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 71 units insured incl. 10 condo units |
| Nearby Flood Claims | 22 (1980–2020) |
| Claims Outside the SFHA | 6 of 22 |
| Most Recent Claim | Nov 2020 · rainfall accumulation |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.1% of Delaware |
|---|---|
| Wildfire Likelihood | Under 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 | MUNICIPAL SERVICES COMMISSION serves 5,549 people · EPA ID DE0000634 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2025 |
| Lead | Under 1 ppb (2023–2025) 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 588 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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