Charleston County property record for 18 Atlantic St, Charleston, SC 29401
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,068 sqft · built 1820 |
| Lot Size | 0.07 acres (3,049 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,485,000 (Aug 2016) |
| Tax Bill | $32,186 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 457-16-04-029 |
| Primary APN | 457-16-04-029 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,068 sqft Living Area |
| 1st Floor Area | 1,308 sqft |
| Upper Floors Area | 760 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1820 |
|---|---|
| Effective Year Built | Effective 1820 |
| Architectural Style | Multi-Family |
| Exterior Material | Brick |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Roof Material | Galvanized Metal |
| Lot Area | 3,049 sqft (0.07 acres) |
| Lot Dimensions | 73 ft deep x 38 ft wide |
| Terrain | High |
| Porch | Slab |
| Porch Area | 72 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 18 ATLANTIC ST |
|---|---|
| City | CHARLESTON |
| State | SC |
| Zip | 29401-2730 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DESCRIPTION -18 ATLANTIC |
| Jurisdiction | CHARLESTON SC |
| Township / Civil Division | CHARLESTON CENTRAL |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 200 |
Source: Charleston County records, as of October 20, 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 | 7373 BROADWAY, 500, SAN ANTONIO, TX 78209-3269 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 25, 2016 · Amount on Record |
| Deed Sale | Aug 25, 2016 · Amount on Record |
| Prior Sale | Apr 11, 2005 · Amount on Record |
| Deed Book / Page | 578 / 525 |
| Prior Transfer Date | Jul 30, 2007 |
| Prior Transfer Doc | J635/0812 |
| Record Updated | Oct 29, 2026 |
Source: Charleston County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | South Carolina |
| County | Charleston County |
| Municipality | Charleston City |
| Unified School District | Charleston County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $32,186.00 (+10.2%) | $1,963,912 (+1,816.76%) Land $950,518 Building $1,013,394 | $2,273,400 (+31.38%) Land $1,048,100 Building $1,225,300 |
| 2024 | $29,207.00 (+7.56%) | $102,460 (-) | |
| 2022 | $27,155.00 | $102,460 | $1,730,400 (-) Land $837,500 Building $892,900 |
| 2020 | $1,730,400 Land $837,500 Building $892,900 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective September 9, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 11.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 285 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 395 units insured incl. 110 condo units |
| Nearby Flood Claims | 509 (1979–2024) |
| Claims Outside the SFHA | 2 of 509 |
| Most Recent Claim | Mar 2024 · rainfall accumulation |
| Claims by Event |
|
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 | 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 | CHARLESTON WATER SYSTEM serves 278,771 people · EPA ID SC1010001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2024 |
| Lead | 4 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2025 |
| 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 411 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · Fiber, DSL in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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