New Castle County property record for 1800 W 4th St, Wilmington, DE 19805
| Property Type | Medical Building |
|---|---|
| Details | 16,800 sqft · built 1961 |
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | Company Name on Record |
| Deeds & Mortgages | May 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 26-026.40-184 |
| Primary APN | 26-026.40-184 |
|---|
| Stories | 3 Stories |
|---|---|
| Building Area | 16,800 sqft Gross Area |
| 1st Floor Area | 5,600 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 2002 |
| Exterior Material | Brick |
| Construction Type | Concrete |
| Lot Area | 19,602 sqft (0.45 acres) |
| Lot Dimensions | 186 ft deep x 75 ft wide |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 1800 W 4TH ST |
|---|---|
| City | WILMINGTON |
| State | DE |
| Zip | 19805-3420 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Local Zoning Code | 26C-2 |
| Legal Description | BEG AT POINT ON SLY SIDE OF 4TH ST AT DIS OF 30 FT 7 5/8 IN ELY FROM ELY SIDE OF |
| Legal Subdivision | WILMINGTON |
| Legal Block | 498 |
| Legal Lot Number | 8 |
| Jurisdiction | NEW CASTLE DE |
| Township / Civil Division | WILMINGTON |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 2300 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 300 WATER ST, 200, WILMINGTON, DE 19801-5043 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NEW CASTLE DE |
| Property Address | 1800 W 4TH ST, WILMINGTON, DE 19805-3420 |
| Transaction Type | Mortgage |
| Record Updated | May 18, 2023 |
| Name | Verified Name |
|---|---|
| Address | 300 WATER ST 200, 200, WILMINGTON, DE 19801-5043 |
| Document Number | 0000030042 |
|---|---|
| Date | May 9, 2023 |
| Instrument | 20230509-0030042 |
| Name | M & T BANK |
|---|---|
| Type | Bank |
| Address | BUFFALO, NY 14203 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $2,459,500 (+184.66%) Land $232,200 Building $2,227,300 | |
| 2023 | Additional exemption filed | $864,000 Land $98,000 Building $766,000 |
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 2,166 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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