Charleston County property record for 3133 Grass Marsh Dr, Mount Pleasant, SC 29466
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,085 sqft · built 2003 |
| Lot Size | 0.27 acres (11,761 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $465,000 (Jan 2015) |
| Tax Bill | $2,178 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 594-10-00-753 |
| Primary APN | 594-10-00-753 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Stories | 1 Story |
| Building Area | 3,085 sqft Living Area |
| 1st Floor Area | 1,467 sqft |
| Upper Floors Area | 1,618 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Exterior Material | Wood |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 11,761 sqft (0.27 acres) |
| Terrain | High |
| Garage Type | Attached |
| Garage Area | 560 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 416 sqft |
| Heating System | Heat Pump |
|---|
| Street Address | 3133 GRASS MARSH DR |
|---|---|
| City | MOUNT PLEASANT |
| State | SC |
| Zip | 29466-8128 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUBDIVISION NAME -WHISPERING MARSH DESCRIPTION -LOT 40 PHASE III B |
| Legal Subdivision | WHISPERING MARSH |
| Legal Phase | 3 |
| Legal Lot Number | 40 |
| Jurisdiction | CHARLESTON SC |
| Township / Civil Division | MOUNT PLEASANT |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 4616 |
3133 Grass Marsh Dr is owned and occupied by two individuals who bought it in January 2015.
Source: Charleston County records, as of September 23, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3133 GRASS MARSH DR, MOUNT PLEASANT, SC 29466-8128 |
| Occupancy | Owner Occupied |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jan 23, 2015 · Amount on File |
| Deed Sale | Jan 23, 2015 · Amount on File |
| Prior Sale | Dec 7, 2012 · Amount on File |
| Deed Book / Page | 453 / 306 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3133 Grass Marsh Dr was $2,178, up 12.2% from the year before.
Source: Charleston County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | South Carolina |
| County | Charleston County |
| Municipality | Mount Pleasant Town |
| Unified School District | Charleston County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,178.00 (+12.15%) | $551,655 (+2,774.7%) Land $203,780 Building $347,875 | $826,600 Land $300,100 Building $526,500 |
| 2024 | $1,942.00 | $19,190 | |
| 2022 | $1,780.00 | $19,190 | $479,700 Land $177,200 Building $302,500 |
| 2020 | $479,700 Land $177,200 Building $302,500 |
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.
FEMA maps place 3133 Grass Marsh Dr in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 9, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 828 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 938 units insured incl. 110 condo units |
| Nearby Flood Claims | 3 (2015–2022) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Apr 2022 · other causes |
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 3133 Grass Marsh Dr is moderate, ranking above 45% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 61% of South Carolina |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Direct burnable vegetation |
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 | MT PLEASANT WATERWORKS serves 91,500 people · EPA ID SC1010002 |
|---|---|
| Water Source | Purchased surface water from CHARLESTON WATER SYSTEM |
| Last State Inspection | Dec 2022 |
| Lead | 1 ppb (2024–2026) 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.
Source: FCC Broadband Data Collection, based on 210 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
5G (outdoors only) and 4G LTE
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