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330 Roundhill Ct, Clayton, CA 94517 Property Records

Contra Costa County property record for 330 Roundhill Ct, Clayton, CA 94517

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,324 sqft · built 1976
Lot Size0.278 acres (12,120 sqft)
Owner2 Trust Names on File
Last Sale$530,000 (Mar 2012)
Tax Bill$8,700 (2025)
Deeds & MortgagesDec 2025 Transfer
Aug 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN119-392-007-9

Property Details

APN / Parcel Number

Primary APN119-392-007-9
Alternative APN
  • 119-392-007

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories2 Stories
Building Area2,324 sqft Living Area
Gross Area2,837 sqft
1st Floor Area1,422 sqft
2nd Floor Area902 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1976
Effective Year BuiltEffective 1980
Architectural StyleContemporary
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area12,120 sqft (0.278 acres)
Garage TypeAttached
Garage Area513 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address330 ROUNDHILL CT
CityCLAYTON
StateCA
Zip94517-1317
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR12
Legal DescriptionT04654 L0018 B
Legal SubdivisionSUBDIVISION 4654
Legal Tract04654
Legal Lot Number18
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3006
Census Tract355306

Owner

330 Roundhill Ct is held in a trust since March 2012.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Trust Names on File
Mailing Address330 ROUNDHILL CT, CLAYTON, CA 94517-1317
Owner TypeCompany
VestingTrust, Revocable Living Trust

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

Deeds, Mortgages & Sale History

DateDocument
Dec 26, 2025Intrafamily Transfer, Transfer
Aug 31, 2021Deed of Trust, Mortgage · Conventional Mortgage
WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 9, 2012 · Amount on File
Deed SaleMar 9, 2012 · Amount on File
Prior SaleMar 22, 2002 · Amount on File
Deed Document Number201255116
Prior Transfer DateJul 21, 2011
Prior Transfer Doc0000151373
Record UpdatedOct 29, 2026

December 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateDec 26, 2025
Property Address330 ROUNDHILL CT, CLAYTON, CA 94517-1317
Document Number0000143958
Map ReferenceMB 179 PG 46
Instrument DateNov 20, 2025
Instrument2025- 143958
Transaction TypeTransfer
Record UpdatedJan 7, 2026

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 ROUNDHILL CT, CLAYTON, CA 94517-1317

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address330 ROUNDHILL CT, CLAYTON, CA 94517-1317
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address330 ROUNDHILL CT, CLAYTON, CA 94517-1317

Mortgage

Document Number0000243401
DateAug 31, 2021
Instrument2021-243401
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueSep 1, 2036

Tax Assessment & Valuation

The 2025 property tax bill for 330 Roundhill Ct was $8,700.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityClayton City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$679,011 (+2%) Land $450,970 Building $228,041
2025$8,700.00$665,698 Land $442,128 Building $223,570
2023$8,324.00 (+1.39%)$639,850 Land $424,960 Building $214,890
2022$8,210.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 330 Roundhill Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 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
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 330 Roundhill Ct is moderate, ranking above 52% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire RiskModerate
above 52% of the US · lower than 69% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 351 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Astound Broadband, AT&T.

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