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16230 Williamstowne Dr, Lathrop, CA 95330 Property Records

San Joaquin County property record for 16230 Williamstowne Dr, Lathrop, CA 95330

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 1,714 sqft · built 1993
Lot Size0.14 acres (6,099 sqft)
Owner2 Individual Names on File
Last Sale$235,000 (Jan 2001)
Tax Bill$4,243 (2026)
Deeds & MortgagesSep 2020 Mortgage
Flood ZoneZone X (reduced by levee)
APN196-490-080-000

Property Details

APN / Parcel Number

Primary APN196-490-080-000
Alternative APN
  • 196-490-08

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area1,714 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1993
Effective Year BuiltEffective 1993
Architectural StyleL-Shape
Construction TypeWood
Lot Area6,099 sqft (0.14 acres)
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Old Parcel Number196-490-08
Street Address16230 WILLIAMSTOWNE DR
CityLATHROP
StateCA
Zip95330-9343
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionREDRAWN JAN-12-1993 FROM ORIGINAL APN 195-660-08
Legal SubdivisionHORIZON PARK
Legal Tract2235
Legal Block1
Legal Lot Number72
JurisdictionSAN JOAQUIN CA
Township / Civil DivisionMANTECA
Census Block Group1
Census Block1006
Census Tract5130

Owner

16230 Williamstowne Dr is owned and occupied by two individuals who acquired it in September 2020.

Source: San Joaquin County records, as of October 13, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address16230 WILLIAMSTOWNE DR, LATHROP, CA 95330-9343
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 4, 2001 · Amount on File
Deed SaleJan 4, 2001 · Amount on File
Deed Document Number20011239
Last Transfer DateSep 14, 2020
Transfer Doc0000122586
Record UpdatedOct 29, 2026

September 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN JOAQUIN CA
Recording DateSep 18, 2020
Property Address16230 WILLIAMSTOWNE DR, LATHROP, CA 95330-9343
Document Number0000122586
Map ReferenceVOL 30 PG 79
Instrument DateSep 14, 2020
Instrument2020-122586
Transaction TypeTransfer
Record UpdatedAug 3, 2021
Title CompanyNORTH AMERICAN TITLE CO INC

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address16230 WILLIAMSTOWNE DR, LATHROP, CA 95330-9343

Mortgage

Document Number0000122587
DateSep 18, 2020
Instrument2020-122587
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueOct 1, 2050

Tax Assessment & Valuation

The 2026 property tax bill for 16230 Williamstowne Dr was $4,243 with a homeowner's exemption, up 1% from the year before.

Source: San Joaquin County assessment roll, as of September 24, 2025

Property Jurisdictions

TypeName
StateCalifornia
CountySan Joaquin County
MunicipalityLathrop City
Unified School DistrictManteca Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$4,243.00 (+0.95%)
2025$4,203.00 Homeowner's exemption$354,081 Land $75,334 Building $278,747
2023$4,040.00 (+1.48%) Homeowner's exemption$340,333 Land $72,409 Building $267,924$525,870
2022$3,981.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 16230 Williamstowne Dr in Zone X, where a levee reduces flood risk.

Source: FEMA National Flood Hazard Layer, effective September 27, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
reduced by levee · depends on levee performance
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies4 in force

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

Wildfire risk around 16230 Williamstowne Dr 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 RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 SystemCITY OF LATHROP
serves 38,596 people · EPA ID CA3910015
Water SourcePurchased surface water from SOUTH SAN JOAQUIN IRRIGATION DISTRICT
Last State InspectionDec 2024
Also Mapped HereSAN JOAQUIN COUNTY-MOKELUMNE ACRES
LeadUnder 1 ppb (2022–2024)
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 120 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Ayera Technologies
Fixed Wireless		1,000 / 500
Cal.net
Fixed Wireless		100 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Frontier, unWired Broadband, Verizon.

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