York County property record for 421 Williamson St, Rock Hill, SC 29730
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 648 sqft · built 1958 |
| Lot Size | 0.173 acres (7,521 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $90,000 (Oct 2004) |
| Tax Bill | $812 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 600-20-03-008 |
| Primary APN | 600-20-03-008 |
|---|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 648 sqft Living Area |
| Gross Area | 798 sqft |
| 1st Floor Area | 648 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 7,521 sqft (0.173 acres) |
| Porch | Slab |
| Porch Area | 150 sqft |
| Street Address | 421 WILLIAMSON ST |
|---|---|
| City | ROCK HILL |
| State | SC |
| Zip | 29730-5033 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF4 |
| Legal Description | LOT 19 SEC D 421 WILLIAMSON ST |
| Legal Subdivision | SUNSET PARK |
| Legal Lot Number | 19 |
| Jurisdiction | YORK SC |
| Township / Civil Division | ROCK HILL |
| Census Block Group | 1 |
| Census Block | 1037 |
| Census Tract | 60502 |
Source: York County records, as of May 5, 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 | 1036 CROATOAN DR, ROCK HILL, SC 29730-9626 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 15, 2004 · Amount on Record |
| Deed Sale | Oct 15, 2004 · Amount on Record |
| Deed Book / Page | 6619 / 2 |
| Record Updated | Jun 8, 2026 |
Source: York County assessment roll, as of November 17, 2025
| Type | Name |
|---|---|
| State | South Carolina |
| County | York County |
| Municipality | Rock Hill City |
| Unified School District | York School District 3 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $812.00 (+11.54%) | $1,889 (+14.97%) Land $787 Building $1,102 | $48,000 (+75.33%) Land $20,000 Building $28,000 |
| 2023 | $728.00 | $1,643 Land $420 Building $1,223 | $27,377 Land $7,000 Building $20,377 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective September 2, 2026 · 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
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 80% of the US · lower than 96% of South Carolina |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect 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 | CITY OF ROCK HILL serves 89,850 people · EPA ID SC4610002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2025 |
| Lead | 2 ppb (2021–2023) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 208 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Comporium Cable · Fiber in parts of the area | 1,000 / 50 |
May also be available: Verizon.
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