Charleston County property record for 421 Palm St, Mount Pleasant, SC 29464
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,608 sqft · built 1961 |
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $330,000 (Jun 2010) |
| Tax Bill | $1,569 (2025) |
| Deeds & Mortgages | Jun 2026 Sale Feb 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 517-03-00-054 |
| Primary APN | 517-03-00-054 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,608 sqft Living Area |
| 1st Floor Area | 1,608 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 13,939 sqft (0.32 acres) |
| Lot Dimensions | 147 ft deep x 96 ft wide |
| Porch | Slab |
|---|---|
| Porch Area | 88 sqft |
| Deck Area | 312 sqft |
| Patio Area | 312 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 421 PALM ST |
|---|---|
| City | MOUNT PLEASANT |
| State | SC |
| Zip | 29464-2922 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUBDIVISION NAME -THR GROVES DESCRIPTION -LOT 11 BLK G |
| Legal Subdivision | THR GROVES |
| Legal Block | G |
| Legal Lot Number | 11 |
| Jurisdiction | CHARLESTON SC |
| Township / Civil Division | MOUNT PLEASANT |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 4607 |
421 Palm St is owned by a company that acquired it in December 2021.
Source: Charleston County records, as of September 23, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 421 PALM ST, MOUNT PLEASANT, SC 29464-2922 |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 10, 2026 | Deed, Transfer NONE LISTED ON DOCUMENT |
| Feb 2, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 23, 2010 · Amount on File |
| Deed Sale | Jun 23, 2010 · Amount on File |
| Prior Sale | Jun 6, 2008 · Amount on File |
| Deed Book / Page | 129 / 534 |
| Last Transfer Date | Dec 6, 2021 |
| Transfer Doc | 0010730799 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | CHARLESTON SC |
| Recording Date | Jun 10, 2026 |
| Property Address | 421 PALM ST, MOUNT PLEASANT, SC 29464-2922 |
| Document Number | 0013950194 |
| Book / Page | 1395 / 194 |
| Instrument Date | May 19, 2026 |
| Instrument | 202636258 |
| Transaction Type | Transfer |
| Record Updated | Aug 30, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Life Tenant |
| Address | 421 PALM ST, MOUNT PLEASANT, SC 29464-2922 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CHARLESTON SC |
| Recording Date | Feb 2, 2022 |
| Property Address | 421 PALM ST, MOUNT PLEASANT, SC 29464-2922 |
| Document Number | 0010730799 |
| Book / Page | 1073 / 799 |
| Map Reference | MB J PG 46 |
| Instrument Date | Dec 6, 2021 |
| Transaction Type | Transfer |
| Record Updated | Apr 19, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 42 PALM STREET, MT PLEASANT, SC 29464 |
The 2025 property tax bill for 421 Palm St was $1,569, up 13.4% 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 | $1,569.00 (+13.45%) | $429,283 (+3,220.05%) Land $293,983 Building $135,300 | $935,300 Land $800,000 Building $135,300 |
| 2024 | $1,383.00 | $12,930 | |
| 2022 | $1,252.00 | $12,930 | $437,500 Land $216,500 Building $221,000 |
| 2020 | $437,500 Land $216,500 Building $221,000 |
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 421 Palm St in Zone X, an area of minimal flood risk, though there have been 16 flood claims nearby since 1979.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 69 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 69 in force |
| Nearby Flood Claims | 16 (1979–2018) |
| Claims Outside the SFHA | 11 of 16 |
| Most Recent Claim | Dec 2018 · 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.
Wildfire risk around 421 Palm St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 99.4% of South Carolina |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | 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 206 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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