850 Osullivan Dr, Mount Pleasant, SC 29464 Property Records

Charleston County property record for 850 Osullivan Dr, Mount Pleasant, SC 29464

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,455 sqft · built 1973
Lot Size0.25 acres (10,890 sqft)
Owner2 Individual Names on Record
Last Sale$378,500 (Aug 2019)
Tax Bill$1,765 (2025)
Deeds & MortgagesJan 2022 Mortgage
Aug 2019 Sale & Line of Credit
Flood ZoneZone X (minimal risk)
APN559-05-00-087

Property Details

APN / Parcel Number

Primary APN559-05-00-087

Interior

Bedrooms3 Beds
Full Baths2 Baths
Stories2 Stories
Building Area1,455 sqft Living Area
1st Floor Area1,388 sqft
Upper Floors Area67 sqft

Exterior

Year BuiltBuilt 1973
Effective Year BuiltEffective 1973
Architectural StyleRanch
Exterior MaterialBrick Veneer
Foundation TypeSlab (Mat/Raft)
Roof TypeGable
Roof MaterialAsphalt
Lot Area10,890 sqft (0.25 acres)
Lot Dimensions135 ft deep x 80 ft wide
Garage TypeAttached
Garage Area392 sqft
Parking Spaces1 Parking Space
PorchSlab
Porch Area15 sqft

Utilities, Heating & Cooling

Heating SystemHeat Pump

Location & Zoning

Street Address850 OSULLIVAN DR
CityMOUNT PLEASANT
StateSC
Zip29464-5231
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionSUBDIVISION NAME -PARISH PLACE DESCRIPTION -LT 11 BLK 4
Legal SubdivisionPARISH PLACE
Legal Block4
Legal Lot Number11
JurisdictionCHARLESTON SC
Township / Civil DivisionMOUNT PLEASANT
Census Block Group1
Census Block1029
Census Tract4622

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 Record2 Individual Names on Record
Mailing Address850 OSULLIVAN DR, MOUNT PLEASANT, SC 29464-5231
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jan 25, 2022Deed of Trust, Mortgage · Conventional Mortgage
PENNYMAC LOAN SERVICES LLC
Aug 13, 2019Grant Deed, Transfer · Line of Credit
SOUTHERN FIRST BK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 13, 2019 · Amount on Record
Deed SaleAug 13, 2019 · Amount on Record
Deed Book / Page816 / 129
Prior Transfer DateAug 6, 2008
Prior Transfer Doc00020556
Record UpdatedOct 29, 2026

January 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCHARLESTON SC
Property Address850 OSULLIVAN DR, MOUNT PLEASANT, SC 29464-5231
Transaction TypeMortgage
Record UpdatedApr 19, 2022
Title CompanySOLIDIFI TITLE AND CLOSING, SOLIDIFI TITLE & CLOSING

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0010710022
DateJan 25, 2022
Book Page1071/22
Lender
NamePENNYMAC LOAN SERVICES LLC
TypeMortgage Company
AddressWESTLAKE VILLAGE, CA 91361
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term358 Months
DueNov 1, 2051

August 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCHARLESTON SC
Recording DateAug 13, 2019
Property Address850 OSULLIVAN DR, MOUNT PLEASANT, SC 29464-5231
Document Number0816/0129
Book / Page000816 / 000129
Instrument DateAug 9, 2019
Transaction TypeTransfer
Record UpdatedSep 24, 2019
Title CompanyATTORNEY ONLY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$378.50
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address850 OSULLIVAN DR MOUNT PLEASANT SC 294645231, MOUNT PLEASANT, SC 29464-5231

Mortgage

Document Number816/0130
DateAug 13, 2019
Book Page000816/000130
Lender
NameSOUTHERN FIRST BK NA
TypeBank
AddressCAYCE, SC 29033
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueAug 12, 2049
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,765.00 (+11.78%)$434,700 (+2,775%) Land $100,970 Building $333,730$557,300 (+47.43%) Land $200,000 Building $357,300
2024$1,579.00 (+9.96%)$15,120 (-)
2022$1,436.00$15,120$378,000 (-) Land $87,800 Building $290,200
2020$378,000 Land $87,800 Building $290,200

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 45 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies45 in force
Nearby Flood Claims2 (2015–2016)
Claims Outside the SFHA2 of 2
Most Recent ClaimOct 2016 · Hurricane Matthew

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 RiskLow
lower than 98% of the US · lower than 99.4% of South Carolina
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 SystemMT PLEASANT WATERWORKS
serves 91,500 people · EPA ID SC1010002
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, 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 167 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
WOW Internet, Cable & Phone
Cable
1,200 / 50
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless · DSL
100 / 20

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