New Castle County property record for 604 Clark St, New Castle, DE 19720
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 944 sqft · built 1860 |
| Lot Size | 0.02 acres (871 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $30,000 (Mar 1998) |
| Tax Bill | $345 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-017.00-112 |
| Primary APN | 21-017.00-112 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 944 sqft Living Area |
| 1st Floor Area | 472 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1860 |
|---|---|
| Effective Year Built | Effective 1860 |
| Architectural Style | Row Home |
| Exterior Material | Brick |
| Roof Type | Flat |
| Roof Material | Wood |
| Lot Area | 871 sqft (0.02 acres) |
| Lot Dimensions | 60 ft deep x 14 ft wide |
| Heating System | Gravity Furnace |
|---|---|
| Sewer | Connected |
| Street Address | 604 CLARK ST |
|---|---|
| City | NEW CASTLE |
| State | DE |
| Zip | 19720-4923 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 21R-3 |
| Legal Description | BEG ON SWLY OF CLARK ST AT 60 FT WIDE AT DIS OF 31 FT FROM INTERSECTION OF SWLY OF CLARK ST WITH NWLY OF 6TH ST AT 50 FT WIDE |
| Legal Subdivision | NEW CASTLE |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | NEW CASTLE |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 16200 |
604 Clark St is owned and occupied by two individuals who bought it in March 1998.
Source: New Castle County records, as of May 6, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 604 CLARK ST, NEW CASTLE, DE 19720-4923 |
| Occupancy | Owner Occupied |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Mar 30, 1998 · Amount on File |
| Deed Sale | Mar 30, 1998 · Amount on File |
| Deed Book / Page | 2426 / 273 |
| Record Updated | Jun 8, 2026 |
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 | Assessed Market Value |
|---|---|---|---|
| 2025 | $182,200 (+1,618.87%) Land $37,000 Building $145,200 | ||
| 2024 | $345.00 (-81.02%) | $10,600 (-) Land $1,100 Building $9,500 | $162,450 |
| 2023 | $1,818.00 (+29.49%) | $10,600 (-) Land $1,100 Building $9,500 | |
| 2022 | $1,404.00 | $10,600 Land $1,100 Building $9,500 |
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 604 Clark St 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 · 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 File median of 41 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 41 in force |
| Nearby Flood Claims | 4 (2012–2019) |
| Most Recent Claim | Jun 2019 · other causes |
| 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.
Wildfire risk around 604 Clark St 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 | 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 84 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 |
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