Charleston County property record for 503 Main Rd, Johns Island, SC 29455
| Property Type | Commercial Vacant Land |
|---|---|
| Details | 2,628 sqft · built 1982 |
| Lot Size | 1.9 acres (82,764 sqft) |
| Owner | Company Name on File |
| Tax Bill | $9,160 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 283-00-00-229 |
| Primary APN | 283-00-00-229 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 2,628 sqft Finished Area |
| 1st Floor Area | 2,628 sqft |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1982 |
| Lot Area | 82,764 sqft (1.9 acres) |
| Total Buildings | 2 Buildings |
| Heating System | Heat Pump |
|---|
| Street Address | 503 MAIN RD |
|---|---|
| City | JOHNS ISLAND |
| State | SC |
| Zip | 29455 |
| Property Category | Commercial |
| Property Type | Vacant Land > Commercial |
| Legal Description | SUBDIVISION NAME -PT CALIF DESCRIPTION -LOT 4 SITE NAME -SHELL |
| Legal Subdivision | PT CALIF |
| Legal Lot Number | 4 |
| Jurisdiction | CHARLESTON SC |
| Township / Civil Division | JOHNS ISLAND |
| Census Block Group | 1 |
| Census Block | 1030 |
| Census Tract | 2106 |
Source: Charleston County records · APN 283-00-00-229
Assessment roll updated August 1, 2025 · 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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 80412, CHARLESTON, SC 29416-0412 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Sep 20, 2016 |
| Transfer Doc | 0005860608 |
| Record Updated | Jun 08, 2026 |
Source: Charleston County records · Assessment roll updated August 1, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | South Carolina |
| County | Charleston County |
| Unified School District | Charleston County 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 | $9,160.00 (+10.12%) | ||
| 2024 | $8,318.00 (-58.16%) | $32,280 (-59.62%) | |
| 2022 | $19,882.00 | $79,940 | $1,799,300 (+234.46%) Land $537,966 Building $1,261,334 |
| 2020 | $537,966 Land $537,966 |
Source: FEMA National Flood Hazard Layer as of September 9, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 8.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 322 policies |
| Community Rating System | Class 2 (40% premium discount) |
| Nearby Flood Policies | 322 in force |
| Nearby Flood Claims | 7 (2005–2025) |
| Claims Outside the SFHA | 1 of 7 |
| Most Recent Claim | Jan 2025 · other causes |
| Claims by Event |
|
| Wildfire Risk | High above 87% of the US · above 98.7% of South Carolina |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| AT&T Fiber · DSL in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 119 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 | ST JOHN'S WATER private · serves 22,592 people |
|---|---|
| Water Source | Purchased surface water from CHARLESTON WATER SYSTEM |
| Last State Inspection | Dec 2022 |
| Lead | 2 ppb (2023–2025) 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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