New Castle County property record for 100 Prospect Ave, Wilmington, DE 19803
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,056 sqft · built 1953 |
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,756 (2023) |
| Deeds & Mortgages | Jan 2024 Mortgage Aug 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 06-064.00-117 |
| Primary APN | 06-064.00-117 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,056 sqft Living Area |
| 1st Floor Area | 1,056 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Ranch |
| Exterior Material | Asbestos |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 9,148 sqft (0.21 acres) |
| Lot Dimensions | 110 ft deep x 83 ft wide |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Connected |
| Street Address | 100 PROSPECT AVE |
|---|---|
| City | WILMINGTON |
| State | DE |
| Zip | 19803-1823 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NC6.5 |
| Legal Description | L1 THRU 4 |
| Legal Subdivision | CONCORD MANOR |
| Legal Lot Number | 1-4 |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | BRANDYWINE |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 11500 |
Source: New Castle County records · APN 06-064.00-117
Assessment roll updated April 13, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 100 PROSPECT AVE, WILMINGTON, DE 19803-1823 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jan 08, 2024 | Deed of Trust, Mortgage · Conventional Mortgage CITIZENS BANK NA |
| Aug 27, 2021 | Deed of Trust, Mortgage · Line of Credit CITIZENS BANK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NEW CASTLE DE |
| Property Address | 100 PROSPECT AVE, WILMINGTON, DE 19803-1823 |
| Transaction Type | Mortgage |
| Record Updated | Jan 24, 2024 |
| Name | Verified Name |
|---|---|
| Address | 100 PROSPECT AVE, WILMINGTON, DE 19803-1823 |
| Document Number | 0000001284 |
|---|---|
| Date | Jan 08, 2024 |
| Instrument | 20240108-0001284 |
| Name | CITIZENS BANK NA |
|---|---|
| Type | Bank |
| Address | PROVIDENCE, RI 02903 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 01, 2054 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 7.25% |
| Type Change Date | Jan 01, 2031 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 12.2% |
| Max Rate | 12.2% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NEW CASTLE DE |
| Property Address | 100 PROSPECT AVE, WILMINGTON, DE 19803-1823 |
| Transaction Type | Mortgage |
| Record Updated | Sep 07, 2021 |
| Name | Verified Name |
|---|---|
| Address | 100 PROSPECT AVE, WILMINGTON, DE 19803-1823 |
| Document Number | 0000100792 |
|---|---|
| Date | Aug 27, 2021 |
| Instrument | 20210827-0100792 |
| Name | CITIZENS BANK NA |
|---|---|
| Type | Bank |
| Address | PROVIDENCE, RI 02903 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Aug 03, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: New Castle County records · Assessment roll updated April 13, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Delaware |
| County | New Castle County |
| Unified School District | Brandywine School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $343,300 (+579.8%) Land $73,200 Building $270,100 | ||
| 2024 | $323,010 | ||
| 2023 | $1,756.00 | $50,500 Land $11,900 Building $38,600 |
Source: FEMA National Flood Hazard Layer as of January 21, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 80% of the US · above 47% of Delaware |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
May also be available: T-Mobile USA.
Based on FCC filings for 170 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | WILMINGTON WATER DEPARTMENT serves 107,976 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2023 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Treatment report not submitted Oct 2017 |
| 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 full violation and enforcement history is in the system's EPA record.
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