New Castle County property record for 510 Concord Ave, Wilmington, DE 19802
| Property Type | Commercial Office |
|---|---|
| Details | 2,643 sqft · built 1920 |
| Lot Size | 0.08 acres (3,485 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $41,000 (Dec 2013) |
| Tax Bill | $1,144 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 26-015.30-120 |
| Primary APN | 26-015.30-120 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 2,643 sqft Gross Area |
| 1st Floor Area | 881 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1938 |
| Exterior Material | Brick |
| Construction Type | Concrete |
| Lot Area | 3,485 sqft (0.08 acres) |
| Lot Dimensions | 91 ft deep x 39 ft wide |
| Heating System | HVAC |
|---|
| Street Address | 510 CONCORD AVE |
|---|---|
| City | WILMINGTON |
| State | DE |
| Zip | 19802-3489 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | 26R-3 |
| Legal Subdivision | WILMINGTON |
| Legal Block | 1680 |
| Legal Lot Number | 12 |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | WILMINGTON |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 400 |
Source: New Castle County records, as of April 13, 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 Record |
|---|---|
| Mailing Address | PO BOX 7870, NEWARK, DE 19714-7870 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 11, 2013 · Amount on Record |
| Deed Sale | Dec 11, 2013 · Amount on Record |
| Deed Document Number | 201376948 |
| 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 | Wilmington City |
| Unified School District | Red Clay Consolidated School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $395,600 (+841.9%) Land $219,300 Building $176,300 | |
| 2023 | $1,144.00 | $42,000 (-) Land $8,700 Building $33,300 |
| 2022 | $1,144.00 | $42,000 Land $8,700 Building $33,300 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | WILMINGTON WATER DEPARTMENT serves 107,976 people · EPA ID DE0000663 |
|---|---|
| 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, 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 1,898 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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