203 William St, Mount Pleasant, SC 29464 Property Records

Charleston County property record for 203 William St, Mount Pleasant, SC 29464

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,442 sqft · built 1995
Lot Size	0.44 acres (19,166 sqft)
Owner	2 Company Names on Record
Last Sale	$1,280,000 (Feb 2020)
Tax Bill	$5,590 (2025)
Deeds & Mortgages	Apr 2023 Transfer Jun 2021 Mortgage + 1 more
Flood Zone	Zone VE (high risk)
APN	`532-13-00-121`

Property Details

APN / Parcel Number

Primary APN	`532-13-00-121`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	2,442 sqft Living Area
Gross Area	4,192 sqft
1st Floor Area	1,612 sqft
Upper Floors Area	830 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1995
Effective Year Built	Effective 1995
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	19,166 sqft (0.44 acres)
Lot Dimensions	160 ft deep x 121 ft wide

Exterior Amenities

Porch	Slab
Porch Area	366 sqft
Deck Area	234 sqft
Patio Area	234 sqft

Utilities, Heating & Cooling

Heating System	Heat Pump

Location & Zoning

Street Address	203 WILLIAM ST
City	MOUNT PLEASANT
State	SC
Zip	29464-5080
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	DESCRIPTION -LT 1 SITE NAME -AND ROYALL AVE
Legal Subdivision	OLDE BRIDGE II SUBDIVISION
Legal Lot Number	1
Jurisdiction	CHARLESTON SC
Township / Civil Division	MOUNT PLEASANT
Census Block Group	4
Census Block	4009
Census Tract	4701

Owner

Source: Charleston County records, as of September 23, 2026

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

Owner of Record	2 Company Names on Record
Mailing Address	203 WILLIAM ST, MOUNT PLEASANT, SC 29464-5080
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 13, 2023	Intrafamily Transfer, Transfer
Jun 3, 2021	Deed of Trust, Mortgage · Conventional Mortgage SOUTHERN FIRST BANK NA
Feb 10, 2020	Grant Deed, Transfer · Line of Credit SOUTHERN FIRST BK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 10, 2020 · Amount on Record
Deed Sale	Feb 10, 2020 · Amount on Record
Deed Book / Page	859 / 459
Last Transfer Date	Jan 11, 2023
Transfer Doc	0011730652
Record Updated	Oct 29, 2026

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CHARLESTON SC
Recording Date	Apr 13, 2023
Property Address	203 WILLIAM ST, MOUNT PLEASANT, SC 29464-5080
Document Number	0011730652
Book / Page	1173 / 652
Map Reference	MB AK PG 134
Instrument Date	Jan 11, 2023
Transaction Type	Transfer
Record Updated	Jul 6, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	203 WILLIAM ST, MOUNT PLEASANT, SC 29464-5080

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	203 WILLIAM ST, MT PLEASANT, SC 29464-5080

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CHARLESTON SC
Property Address	203 WILLIAM ST, MOUNT PLEASANT, SC 29464-5080
Transaction Type	Mortgage
Record Updated	Jul 9, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	09980641
Date	Jun 3, 2021
Book Page	998/641

Lender

Name	SOUTHERN FIRST BANK NA
Type	Bank
Address	CAYCE, SC 29033

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2051

February 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CHARLESTON SC
Recording Date	Feb 10, 2020
Property Address	203 WILLIAM ST, MOUNT PLEASANT, SC 29464-5080
Document Number	0859/0459
Book / Page	000859 / 000459
Instrument Date	Feb 5, 2020
Transaction Type	Transfer
Record Updated	Mar 13, 2020
Title Company	ATTORNEY ONLY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,280.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	203 WILLIAM ST MOUNT PLEASANT SC 294645080, MOUNT PLEASANT, SC 29464-5080

Mortgage

Document Number	859/0461
Date	Feb 10, 2020
Book Page	000859/000461

Lender

Name	SOUTHERN FIRST BK NA
Type	Bank
Address	190 KNOX ABBOTT DR, CAYCE, SC 29033-4442

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Feb 9, 2050

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Charleston County assessment roll, as of August 1, 2025

Property Jurisdictions

Type	Name
State	South Carolina
County	Charleston County
Municipality	Mount Pleasant Town
Unified School District	Charleston County School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$5,590.00 (-70.72%)	$1,519,900 (+2,868.55%) Land $931,040 Building $588,860	$3,140,800 (+145.38%) Land $1,916,500 Building $1,224,300
2024	$19,093.00 (+325.99%)	$51,200 (-)
2022	$4,482.00	$51,200	$1,280,000 (-) Land $809,600 Building $470,400
2020			$1,280,000 Land $809,600 Building $470,400

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.

Flood

Source: FEMA National Flood Hazard Layer, effective September 9, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone VE high risk · coastal, wave action
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	13.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 512 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	646 units insured incl. 134 condo units
Nearby Flood Claims	72 (1980–2024)
Claims Outside the SFHA	33 of 72
Most Recent Claim	Aug 2024 · Hurricane Debby
Claims by Event	Hurricane Idalia, Aug 2023 · 4 claims Severe Storms And Flooding, Oct 2015 · 6 claims Hurricane Hugo, Sep 1989 · 21 claims

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 62% of the US · lower than 86% of South Carolina
Wildfire Likelihood	0.05% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 203 locations within half a mile, as of December 31, 2025

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

Cell Coverage

5G (outdoors only) and 4G LTE

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