678 Williamson Dr, Mount Pleasant, SC 29464 Property Records

Charleston County property record for 678 Williamson Dr, Mount Pleasant, SC 29464

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,024 sqft · built 1980
Lot Size	0.35 acres (15,246 sqft)
Owner	Individual Name on Record
Last Sale	$387,500 (May 2014)
Tax Bill	$2,100 (2025)
Deeds & Mortgages	Aug 2026 Mortgage Aug 2021 Line of Credit
Flood Zone	Zone X (moderate risk)
APN	`517-04-00-175`

Property Details

APN / Parcel Number

Primary APN	`517-04-00-175`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Stories	1 Story
Building Area	2,024 sqft Living Area
Gross Area	2,056 sqft
1st Floor Area	1,320 sqft
Upper Floors Area	704 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Exterior Material	Wood
Foundation Type	Slab (Mat/Raft)
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	15,246 sqft (0.35 acres)
Lot Dimensions	180 ft deep x 85 ft wide

Exterior Amenities

Porch	Slab
Porch Area	304 sqft
Deck Area	48 sqft
Patio Area	48 sqft

Utilities, Heating & Cooling

Heating System	Heat Pump

Location & Zoning

Street Address	678 WILLIAMSON DR
City	MOUNT PLEASANT
State	SC
Zip	29464-3520
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUBDIVISION NAME -BAY TREE DESCRIPTION -LOT SF-10
Legal Subdivision	BAY TREE
Legal Lot Number	S,F-10
Jurisdiction	CHARLESTON SC
Township / Civil Division	MOUNT PLEASANT
Census Block Group	3
Census Block	3006
Census Tract	4607

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	Individual Name on Record
Mailing Address	678 WILLIAMSON DR, MOUNT PLEASANT, SC 29464-3520
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 19, 2026	Quit Claim Deed, Transfer · Conventional Mortgage MORTGAGE MORTGAGE
Aug 18, 2021	Deed of Trust, Mortgage · Line of Credit FIRST CITIZENS BANK & TRUST CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 23, 2014 · Amount on Record
Deed Sale	May 23, 2014 · Amount on Record
Prior Sale	Aug 29, 2005 · Amount on Record
Deed Book / Page	406 / 790
Last Transfer Date	Aug 13, 2026
Transfer Doc	0000052368
Record Updated	Oct 29, 2026

August 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CHARLESTON SC
Recording Date	Aug 19, 2026
Property Address	678 WILLIAMSON DR, MOUNT PLEASANT, SC 29464-3520
Document Number	0000052368
Book / Page	1410 / 708
Instrument Date	Aug 13, 2026
Instrument	202652368
Transaction Type	Transfer
Record Updated	Sep 9, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	678 WILLIAMSON DR, MOUNT PLEASANT, SC 29464-3520

Mortgage

Document Number	0000052369,
Date	Aug 19, 2026
Book Page	1410/709
Instrument	202652369

Lender

Name	MORTGAGE MORTGAGE

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CHARLESTON SC
Property Address	678 WILLIAMSON DR, MOUNT PLEASANT, SC 29464-3520
Transaction Type	Mortgage
Record Updated	Jan 25, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	678 WILLIAMSON DR, MOUNT PLEASANT, SC 29464-3520

Mortgage

Document Number	0010240101
Date	Aug 18, 2021
Book Page	1024/101

Lender

Name	FIRST CITIZENS BANK & TRUST CO
Type	Bank
Address	RALEIGH, NC 27611

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	120 Months
Due	Aug 20, 2031

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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	$2,100.00 (+12.12%)	$529,794 (+2,776.19%) Land $286,774 Building $243,020	$1,005,900 (+91.62%) Land $360,000 Building $645,900
2024	$1,873.00 (+9.21%)	$18,420 (-)
2022	$1,715.00	$18,420	$524,954 (-0.01%) Land $284,154 Building $240,800
2020			$525,000 Land $284,200 Building $240,800

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.

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 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 Record median of 177 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	177 in force
Nearby Flood Claims	89 (1982–2025)
Claims Outside the SFHA	36 of 89
Most Recent Claim	Jun 2025 · rainfall accumulation
Claims by Event	Hurricane Matthew, Oct 2016 · 5 claims Severe Storms And Flooding, Oct 2015 · 4 claims Hurricane Hugo, Sep 1989 · 54 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 98% of the US · lower than 99.4% of South Carolina
Wildfire Likelihood	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.

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 328 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: WOW Internet, Cable & Phone.

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