Charleston County property record for 641 Royall Ave, Mount Pleasant, SC 29464
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 3,796 sqft · built 2006 |
| Lot Size | 0.46 acres (20,038 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,250,000 (Mar 2009) |
| Tax Bill | $6,987 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 532-09-00-086 |
| Primary APN | 532-09-00-086 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,796 sqft Living Area |
| 1st Floor Area | 2,114 sqft |
| Upper Floors Area | 1,682 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Multi-Family |
| Exterior Material | Wood Siding |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 20,038 sqft (0.46 acres) |
| Lot Dimensions | 200 ft deep x 100 ft wide |
| Garage Type | Attached |
| Pool Area | 820 sqft |
|---|---|
| Pool House | 445 sqft |
| Porch | Slab |
| Porch Area | 700 sqft |
| Deck Area | 435 sqft |
| Patio Area | 1,193 sqft |
| Shed | 1 Shed |
| Shed Area | 445 sqft |
| Total Buildings | 3 Buildings |
| Heating System | Heat Pump |
|---|
| Street Address | 641 ROYALL AVE |
|---|---|
| City | MOUNT PLEASANT |
| State | SC |
| Zip | 29464-5031 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | DESCRIPTION -LOT 6 BLK 38 |
| Legal Subdivision | PROPERTY OF MARGARET B KNOX |
| Legal Block | 38 |
| Legal Lot Number | 6 |
| Jurisdiction | CHARLESTON SC |
| Township / Civil Division | MOUNT PLEASANT |
| Census Block Group | 1 |
| Census Block | 1024 |
| Census Tract | 4701 |
641 Royall Ave is owned and occupied by two individuals who bought it in March 2009.
Source: Charleston County records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 641 ROYALL AVE, MOUNT PLEASANT, SC 29464-5031 |
| 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 | Mar 20, 2009 · Amount on File |
| Deed Sale | Mar 20, 2009 · Amount on File |
| Prior Sale | Jul 6, 2004 · Amount on File |
| Deed Book / Page | 42 / 265 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 641 Royall Ave was $6,987, up 13.1% 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 | $6,987.00 (+13.15%) | $1,903,878 (+2,775.08%) Land $836,908 Building $1,066,970 | $4,138,400 Land $1,743,400 Building $2,395,000 |
| 2024 | $6,175.00 | $66,220 | |
| 2022 | $5,780.00 | $66,220 | $1,655,546 Land $727,746 Building $927,800 |
| 2020 | $1,655,546 Land $727,746 Building $927,800 |
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 641 Royall Ave 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 101 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 101 in force |
| Nearby Flood Claims | 120 (1979–2017) |
| Claims Outside the SFHA | 21 of 120 |
| Most Recent Claim | Sep 2017 · Hurricane Irma |
| 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.
Wildfire risk around 641 Royall Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 98% of South Carolina |
|---|---|
| Wildfire Likelihood | 0.03% 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 383 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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