New Castle County property record for 21 E 6th St, New Castle, DE 19720
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,552 sqft · built 1939 |
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $203,000 (Sep 2014) |
| Tax Bill | $3 (2022) |
| Flood Zone | Zone X (moderate risk) |
| APN | 21-015.10-040 |
| Primary APN | 21-015.10-040 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,552 sqft Living Area |
| 1st Floor Area | 824 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,663 sqft (0.13 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Heating System | Hot Water |
|---|---|
| Sewer | Connected |
| Street Address | 21 E 6TH ST |
|---|---|
| City | HISTORIC NEW CASTLE |
| State | DE |
| Zip | 19720-5087 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 21R-2 |
| Legal Description | LEGAL-BEG ON SELY SIDE OF 6TH ST AT 60 FT WIDE & FURTHER LOCATED ALONG SAID SELY SIDE OF 6TH ST N 44 DEG 15 MINUTES 00 DEG E 80.00 FT |
| Legal Subdivision | NEW CASTLE |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | NEW CASTLE |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 16100 |
Source: New Castle County records · APN 21-015.10-040
Assessment roll updated April 13, 2026 · Last verified May 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 E 6TH ST, HISTORIC NEW CASTLE, DE 19720-5087 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 24, 2014 · Amount on Record |
| Deed Sale | Sep 24, 2014 · Amount on Record |
| Deed Document Number | 201442667 |
| Prior Transfer Date | Mar 23, 2007 |
| Prior Transfer Doc | 0000028810 |
| Record Updated | Jun 08, 2026 |
Source: New Castle County records · Assessment roll updated April 13, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | Delaware |
| County | New Castle County |
| Municipality | New Castle City |
| Unified School District | Colonial School District (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $286,800 (+541.61%) Land $57,600 Building $229,200 | ||
| 2024 | $298,530 | ||
| 2023 | $44,700 (-) Land $12,700 Building $32,000 | ||
| 2022 | $3.00 | $44,700 Land $12,700 Building $32,000 |
Source: FEMA National Flood Hazard Layer, New Castle County (10003C), as of January 21, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 100030161002, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 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 |
|
| 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 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: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 588 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system DE0000634, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MUNICIPAL SERVICES COMMISSION serves 5,549 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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