New Castle County property record for 606 William St, Delaware City, DE 19706
| Property Type | Duplex |
|---|---|
| Details | 2 bd · 1 ba · 840 sqft · built 1900 |
| Lot Size | 0.01 acres (436 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,319 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 22-007.00-028 |
| Primary APN | 22-007.00-028 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 840 sqft Living Area |
| 1st Floor Area | 534 sqft |
| Attic | Attic |
| Attic Area | 240 sqft |
| Basement Area | 240 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 436 sqft (0.01 acres) |
| Lot Dimensions | 35 ft deep x 16 ft wide |
| Heating System | HVAC |
|---|---|
| Sewer | Connected |
| Street Address | 606 WILLIAM ST |
|---|---|
| City | DELAWARE CITY |
| State | DE |
| Zip | 19706-7770 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 22R-1 |
| Legal Subdivision | DELAWARE CITY |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | RED LION |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 16404 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Delaware City Historic District listed 1983 · 205 contributing resources · NRIS 83003515 |
|---|
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 shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | PO BOX 698, DELAWARE CITY, DE 19706-0698 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| 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 | Delaware City |
| Unified School District | Colonial School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1,319.00 (-22.68%) | $219,100 (+1,499.27%) Land $53,600 Building $165,500 |
| 2023 | $1,706.00 (+27.89%) | $13,700 (-) Land $3,500 Building $10,200 |
| 2022 | $1,334.00 | $13,700 Land $3,500 Building $10,200 |
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 93 policies |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 93 in force |
| Nearby Flood Claims | 18 (1980–2014) |
| Claims Outside the SFHA | 2 of 18 |
| Most Recent Claim | Apr 2014 · river or lake flooding |
| 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 97% of the US · lower than 87% 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 | DELAWARE CITY WATER DEPARTMENT (AWC) serves 2,610 people · EPA ID DE0000566 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2025 |
| Lead | 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.
Source: FCC Broadband Data Collection, based on 243 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Breezeline Cable | 1,000 / 50 |
| Starlink Satellite | 280 / 30 |
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