Sussex County property record for 417 Union St, Millsboro, DE 19966
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 1,248 sqft · built 1922 |
| Lot Size | 0.164 acres (7,139 sqft) |
| Owner | Individual Name on File |
| Last Sale | $43,000 (Oct 2016) |
| Tax Bill | $116 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-17.13-42.00 |
| Primary APN | 133-17.13-42.00 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,248 sqft Living Area |
| Elevator | Elevator |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1922 |
| Exterior Material | Shingles |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 7,139 sqft (0.164 acres) |
| Lot Dimensions | 119 ft deep x 60 ft wide |
| Garage Type | Mixed |
| Garage Area | 728 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Porch Area | 256 sqft |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Street Address | 417 UNION ST |
|---|---|
| City | MILLSBORO |
| State | DE |
| Zip | 19966-1204 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | TN |
| Legal Description | LANDS OF JOHN H BURTON LOT 20 |
| Legal Subdivision | MILLSBORO |
| Legal Lot Number | 20 |
| Jurisdiction | SUSSEX DE |
| Township / Civil Division | MILLSBORO |
| Census Block Group | 3 |
| Census Block | 3019 |
| Census Tract | 50604 |
417 Union St is owned by an individual who bought it in October 2016.
Source: Sussex County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 1774, MILLSBORO, DE 19966-5774 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Oct 27, 2016 · Amount on File |
| Deed Sale | Oct 27, 2016 · Amount on File |
| Prior Sale | Nov 5, 2015 |
| Deed Document Number | 201637901 |
| Deed Book / Page | 4615 / 169 |
| Prior Transfer Date | Oct 6, 2015 |
| Prior Transfer Doc | 0044670148 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 417 Union St was $116.
Source: Sussex County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Delaware |
| County | Sussex County |
| Municipality | Millsboro Town |
| Unified School District | Indian River School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $116.00 | $3,700 (-) Land $750 Building $2,950 | $54,600 (-) Land $54,600 |
| 2025 | $116.00 | $3,700 Land $750 Building $2,950 | $54,600 Land $54,600 |
| 2023 | $152.00 | $3,700 Land $750 Building $2,950 | $7,400 Land $1,500 Building $5,900 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 417 Union St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective August 17, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 15 individual policies |
| Nearby Flood Policies | 52 units insured incl. 37 condo units |
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 417 Union 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 80% of the US · above 47% of Delaware |
|---|---|
| Wildfire Likelihood | 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 | MILLSBORO WATER DEPARTMENT serves 8,568 people · EPA ID DE0000622 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2025 |
| Lead | 5 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 247 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: BridgeMAXX Suncoast Broadband, Verizon.
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