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9 William St, Mount Pleasant, SC 29464 Property Records

Charleston County property record for 9 William St, Mount Pleasant, SC 29464

Property Summary

Property TypeSingle Family Home
Details4 bd · 4.5 ba · 2,880 sqft · built 2008
Lot Size0.18 acres (7,841 sqft)
OwnerIndividual Name on File
Last Sale$2,425,000 (Jul 2026)
Tax Bill$5,078 (2025)
Deeds & MortgagesJul 2026 Sale & Mortgage
Nov 2020 Mortgage
+ 2 more
Flood ZoneZone AE (high risk)
APN532-13-00-043

Property Details

APN / Parcel Number

Primary APN532-13-00-043

Interior

Bedrooms4 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,880 sqft Living Area
Gross Area4,320 sqft
1st Floor Area1,440 sqft
Upper Floors Area1,440 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2008
Effective Year BuiltEffective 2008
Exterior MaterialWood
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area7,841 sqft (0.18 acres)
Lot Dimensions98 ft deep x 80 ft wide
PorchSlab
Porch Area561 sqft

Utilities, Heating & Cooling

Heating SystemHeat Pump

Location & Zoning

Street Address9 WILLIAM ST
CityMOUNT PLEASANT
StateSC
Zip29464-5039
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionDESCRIPTION -9 WILLIAM ST LT A BLK 41
Legal SubdivisionTOWN/MT PLEASANT
Legal Block41
Legal Lot NumberA
JurisdictionCHARLESTON SC
Township / Civil DivisionMOUNT PLEASANT
Census Block Group2
Census Block2020
Census Tract4701

Owner

Source: Charleston County records · APN 532-13-00-043

Assessment roll updated August 1, 2025 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address9 WILLIAM ST, MOUNT PLEASANT, SC 29464-5039
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jul 28, 2026Deed, Transfer · Conventional Mortgage
GUILD MORTGAGE COMPANY
Nov 16, 2020Deed of Trust, Mortgage
SWBC MTG
May 22, 2018Grant Deed, Transfer
ATTORNEY ONLY
Apr 02, 2018Grant Deed, Transfer
CAROLINA ONE MTG

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJul 28, 2026 · Amount on Record
Deed SaleJul 28, 2026 · Amount on Record
Prior SaleApr 02, 2018 · Amount on Record
Deed Document Number202647402
Deed Book / Page1405 / 939
Prior Transfer DateMay 18, 2018
Prior Transfer Doc0720/0590
Record UpdatedSep 20, 2026

July 2026: Deed, Transfer

Document TypeDeed
JurisdictionCHARLESTON SC
Recording DateJul 28, 2026
Property Address9 WILLIAM ST, MOUNT PLEASANT, SC 29464-5039
Document Number0000047402
Book / Page1405 / 939
Instrument DateJul 23, 2026
Instrument202647402
Transaction TypeTransfer
Record UpdatedAug 10, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$906,222.50
Amount AccuracyCalculated from Transfer Tax
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address9 WILLIAM ST, MOUNT PLEASANT, SC 29464-5039

Mortgage

Document Number0000047404,
DateJul 28, 2026
Instrument202647404
Lender
NameGUILD MORTGAGE COMPANY
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueAug 01, 2056
Interest
Rate TypeAdjustable Rate
Rate5.88%
Initial TypeAdjustable Rate
AdjustableAdjustable Rate Rider
Max Rate-1%

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCHARLESTON SC
Property Address9 WILLIAM ST, MOUNT PLEASANT, SC 29464-5039
Document Number0941/0596
Instrument DateNov 16, 2020
Transaction TypeMortgage
Record UpdatedFeb 03, 2021
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address9 WILLIAM ST MOUNT PLEASANT SC 294645039, MOUNT PLEASANT, SC 29464-5039

Mortgage

Document Number0941/0596
DateDec 08, 2020
Book Page000941/000596
Lender
NameSWBC MTG
TypeMortgage Company
AddressSAN ANTONIO, TX 78216
Agreement
AmountAmount Recorded
Term360 Months
DueDec 07, 2050

May 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCHARLESTON SC
Recording DateMay 22, 2018
Property Address9 WILLIAM ST, MOUNT PLEASANT, SC 29464-5039
Document Number0720/0590
Book / Page000720 / 000590
Instrument DateMay 18, 2018
Transaction TypeTransfer
Record UpdatedJun 08, 2018
Title CompanyATTORNEY ONLY

Transaction

AmountAmount Recorded
Tax$195.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address9 WILLIAM ST MOUNT PLEASANT SC 294645039, MOUNT PLEASANT, SC 29464-5039

April 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCHARLESTON SC
Recording DateApr 02, 2018
Property Address9 WILLIAM ST, MOUNT PLEASANT, SC 29464-5039
Document Number0708/0654
Book / Page000708 / 000654
Instrument DateMar 27, 2018
Transaction TypeTransfer
Record UpdatedApr 13, 2018
Title CompanyATTORNEY ONLY

Transaction

AmountAmount Recorded
Tax$195.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address9 WILLIAM ST MOUNT PLEASANT SC 294645039, MOUNT PLEASANT, SC 29464-5039

Mortgage

Document Number708/0655
DateApr 02, 2018
Book Page000708/000655
Lender
NameCAROLINA ONE MTG
TypeMortgage Company
AddressNORTH CHARLESTON, SC 29405
Agreement
AmountAmount Recorded
Term360 Months
DueApr 01, 2048

Tax Assessment & Valuation

Source: Charleston County records · Assessment roll updated August 1, 2025 · Last verified August 2026

Property Jurisdictions

TypeName
StateSouth Carolina
CountyCharleston County
MunicipalityMount Pleasant Town
Unified School DistrictCharleston County School District (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2025$5,078.00 (+13.05%)
2024$4,492.00 (+7.08%)$47,800 (-)
2022$4,195.00$47,800$1,195,000 (-) Land $565,000 Building $630,000
2020$1,195,000 Land $565,000 Building $630,000

Flood & Wildfire

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

Flood

FEMA Flood ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation12.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 99 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies99 in force
Nearby Flood Claims70 (1987–2024)
Claims Outside the SFHA11 of 70
Most Recent ClaimMar 2024 · rainfall accumulation
Claims by Event
  • Hurricane Idalia, Aug 2023 · 3 claims
  • Hurricane Irma, Sep 2017 · 3 claims
  • Hurricane Hugo, Sep 1989 · 35 claims

Wildfire

Wildfire RiskLow
lower than 62% of the US · lower than 86% of South Carolina
Wildfire Likelihood0.05% annual chance
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Xfinity
Cable		1,200 / 35
AT&T
DSL		100 / 20

Based on FCC filings for 203 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemMT PLEASANT WATERWORKS
serves 91,500 people
Water SourcePurchased surface water from CHARLESTON WATER SYSTEM
Last State InspectionDec 2022
Lead1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 full violation and enforcement history is in the system's EPA record.

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